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Renal, Endocrine, and Bone Changes in Response to FTC/TDF in Uninfected Young Men Who Have Sex With Men (YMSM).

2019. március 25. frissítette: University of North Carolina, Chapel Hill

Renal, Endocrine, and Bone Changes in Response to Treatment With Coformulated Emtricitabine-Tenofovir for Pre-Exposure HIV Prophylaxis (PrEP) in HIV Uninfected Young Men Who Have Sex With Men.

This is a prospective observational cohort sub-study of subjects enrolled in the Adolescent Medicine Trials Network for HIV/AIDS Interventions (ATN) 110 (NCT01772823) or ATN 113 (NCT01769456), which is a prospective interventional trial.

A tanulmány áttekintése

Állapot

Befejezve

Körülmények

Beavatkozás / kezelés

Részletes leírás

This is a prospective observational cohort sub-study of subjects enrolled in the ATN 110 (NCT01772823) or ATN 113 (NCT01769456) study. All subjects will be followed for at least 48 weeks. Subjects who meet specific bone or renal criteria at Week 48 of the ATN 110 (NCT01772823) or ATN 113 (NCT01769456) study will be followed for an additional 48 weeks in the Extension Phase of ATN 110 (NCT01772823) or ATN 113 (NCT01769456) and ATN 117 (NCT01769469). The maximum duration of participation will be 96 weeks.

There is no therapeutic intervention specific to this sub-study, and there are no extra study visits required for participation in this sub-study. Questionnaires will be administered and blood and urine samples for laboratory evaluation of potential emtricitabine (FTC)/tenofovir (TDF) (Truvada®) toxicities will be obtained for this sub-study at visits that are required by the ATN 110 (NCT01772823) or ATN 113 (NCT01769456) study. Measurement of bone mineral density (BMD) and bone mineral content (BMC) by dual-energy X-ray absorptiometry (DXA) scan are planned as a part of the ATN 110 (NCT01772823) and ATN 113 (NCT01769456) studies, and results will be utilized for the analysis in this study. This study does not require extra BMD or BMC measurements.

Tanulmány típusa

Megfigyelő

Beiratkozás (Tényleges)

101

Kapcsolatok és helyek

Ez a rész a vizsgálatot végzők elérhetőségeit, valamint a vizsgálat lefolytatásának helyére vonatkozó információkat tartalmazza.

Tanulmányi helyek

    • California
      • Los Angeles, California, Egyesült Államok, 90027
        • Children's Hopsital of Los Angeles
    • Colorado
      • Aurora, Colorado, Egyesült Államok, 80045
        • Children's Hospital of Denver
    • Florida
      • Miami, Florida, Egyesült Államok, 33101
        • University of Miami
      • Tampa, Florida, Egyesült Államok, 33606
        • University of South Florida
    • Illinois
      • Chicago, Illinois, Egyesült Államok, 60612
        • Stroger Hospital and the CORE Center
    • Louisiana
      • New Orleans, Louisiana, Egyesült Államok, 70112
        • Tulane University
    • Maryland
      • Baltimore, Maryland, Egyesült Államok, 21287
        • Johns Hopkins University
    • Massachusetts
      • Boston, Massachusetts, Egyesült Államok, 02215
        • Fenway Institute
    • Michigan
      • Detroit, Michigan, Egyesült Államok, 48201
        • Wayne State University
    • Pennsylvania
      • Philadelphia, Pennsylvania, Egyesült Államok, 19104
        • Children's Hopsital of Philadelphia
    • Tennessee
      • Memphis, Tennessee, Egyesült Államok, 38105
        • St. Jude Childrens Research Hospital
    • Texas
      • Houston, Texas, Egyesült Államok, 77030
        • Baylor College of Medicine

Részvételi kritériumok

A kutatók olyan embereket keresnek, akik megfelelnek egy bizonyos leírásnak, az úgynevezett jogosultsági kritériumoknak. Néhány példa ezekre a kritériumokra a személy általános egészségi állapota vagy a korábbi kezelések.

Jogosultsági kritériumok

Tanulmányozható életkorok

15 év (Gyermek, Felnőtt)

Egészséges önkénteseket fogad

Igen

Tanulmányozható nemek

Férfi

Mintavételi módszer

Nem valószínűségi minta

Tanulmányi populáció

Individuals between the ages 15 years 0 days to 22 years 364 days, who are enrolled in ATN 110 (NCT01772823) or ATN 113 (NCT01769456) , and agree to enter this sub-study at the same time they begin ATN 110 or ATN 113.

Leírás

Inclusion Criteria:

  • Has been enrolled in ATN 110 (NCT01772823) or ATN 113 (NCT01769456) , and
  • Willing and able to provide written informed consent

Exclusion Criteria:

-Subjects exempted from undergoing DXA scans in ATN 110 (NCT01772823) or ATN 113 (NCT01769456) are not eligible to enroll in ATN 117 (NCT01769469).

Tanulási terv

Ez a rész a vizsgálati terv részleteit tartalmazza, beleértve a vizsgálat megtervezését és a vizsgálat mérését.

Hogyan készül a tanulmány?

Tervezési részletek

Kohorszok és beavatkozások

Csoport / Kohorsz
Beavatkozás / kezelés
Subjects Enrolled in ATN 110 or ATN 113
A subset of 100 participants who are enrolled in the ATN 110 or ATN 113 study will be recruited for participation in this study. There is no treatment or intervention for this study; however, all subjects will be on daily coformulated tenofovir/emtricitabine (TDF/FTC (Truvada®)) as part of the ATN 110 or ATN 113 study.
There are no interventions for this study except that subjects will be administered FTC/TDF (Truvada®) will be administered as part of ATN 110 and ATN 113.
Más nevek:
  • Truvada®

Mit mér a tanulmány?

Elsődleges eredményintézkedések

Eredménymérő
Intézkedés leírása
Időkeret
Magnitude of Change (Fold Change) in Parathyroid Hormone (PTH) From Baseline to Week 48
Időkeret: Baseline and Week (wk) 48
The magnitude of change in PTH will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).
Baseline and Week (wk) 48

Másodlagos eredményintézkedések

Eredménymérő
Intézkedés leírása
Időkeret
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Fibroblast Growth Factor 23 (FGF23), Change From Baseline to Week 48
Időkeret: Baseline and wk 48
Baseline and wk 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Fibroblast Growth Factor 23 (FGF23), Magnitude of Fold Change
Időkeret: Baseline and wk 48
The magnitude of change in FGF23 will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).
Baseline and wk 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Fibroblast Growth Factor 23 (FGF23), Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36 and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36 and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Fibroblast Growth Factor 23 (FGF23), Time to Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: 1,25 Dihydroxy Vitamin D (1,25 OHD), Change From Baseline to Week 48
Időkeret: Baseline and wk 48
Baseline and wk 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: 1,25 OHD, Magnitude of Fold Change
Időkeret: Baseline and wk 48
The magnitude of change in 1,25 OHD will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).
Baseline and wk 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: 1,25 OHD, Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36 and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36 and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: 1,25 OHD, Time to Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Tubular Reabsorption of Phosphate (TRP), Change From Baseline to Week 48
Időkeret: Baseline and wk 48
Baseline and wk 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: TRP, Magnitude of Fold Change
Időkeret: Baseline and wk 48
The magnitude of change in TRP will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).
Baseline and wk 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: TRP, Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36 and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36 and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: TRP, Time to Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Glomerular Filtration Rate (GFR), Change From Baseline to Week 48
Időkeret: Baseline and wk 48
Baseline and wk 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: GFR, Magnitude of Fold Change
Időkeret: Baseline and wk 48
The magnitude of change in GFR will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).
Baseline and wk 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: GFR, Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36 and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36 and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: GFR, Time to Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: PTH, Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36 and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36 and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: PTH, Time to Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Serum Creatinine (SCr), Time to Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: PTH, Slope of the Curve of Baseline to Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48

The slope from baseline to most extreme fold change can be expressed as:

Slope = [(Most extreme fold change) * (baseline value) - (baseline value)] / [(Time to most extreme fold change) - (time of the baseline value)]

Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: FGF23, Slope of the Curve of Baseline to Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48

The slope from baseline to most extreme fold change can be expressed as:

Slope = [(Most extreme fold change) * (baseline value) - (baseline value)] / [(Time to most extreme fold change) - (time of the baseline value)]

Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: 1,25-OHD, Slope of the Curve of Baseline to Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48

The slope from baseline to most extreme fold change can be expressed as:

Slope = [(Most extreme fold change) * (baseline value) - (baseline value)] / [(Time to most extreme fold change) - (time of the baseline value)]

Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: TRP, Slope of the Curve of Baseline to Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48

The slope from baseline to most extreme fold change can be expressed as:

Slope = [(Most extreme fold change) * (baseline value) - (baseline value)] / [(Time to most extreme fold change) - (time of the baseline value)]

Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change From Baseline to Week 48 in Serum Calcium (SCa)
Időkeret: Baseline and wk 48
Serum calcium Week 48 difference from baseline
Baseline and wk 48
Magnitude of Most Extreme Fold Change: Serum Calcium (SCa)
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Time to Most Extreme Fold Change: Serum Calcium (SCa)
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Slope of the Curve of Baseline to Most Extreme Fold Change: Serum Calcium (SCa)
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48

The slope from baseline to most extreme fold change can be expressed as:

Slope = [(Most extreme fold change) * (baseline value) - (baseline value)] / [(Time to most extreme fold change) - (time of the baseline value)]

Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change From Baseline to Week 48 in Urine Calcium (UCa) / Urine Creatinine (UCr)
Időkeret: Baseline and wk 48
Urine Calcium (UCa) / Urine Creatinine (UCr) ratio Week 48 difference from baseline
Baseline and wk 48
Magnitude of Most Extreme Fold Change: UCa/UCr Ratio
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Time to Most Extreme Fold Change: UCa/UCr Ratio
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Slope of the Curve of Baseline to Most Extreme Fold Change: UCa/UCr Ratio
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48

The slope from baseline to most extreme fold change can be expressed as:

Slope = [(Most extreme fold change) * (baseline value) - (baseline value)] / [(Time to most extreme fold change) - (time of the baseline value)]

Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change From Baseline to Week 48 in Serum Phosphate (SPO4)
Időkeret: Baseline and wk 48
Serum Phosphate (SPO4) Week 48 difference from baseline
Baseline and wk 48
Magnitude of Most Extreme Fold Change: SPO4
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Time to Most Extreme Fold Change: SPO4
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Slope of the Curve of Baseline to Most Extreme Fold Change: SPO4
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48

The slope from baseline to most extreme fold change can be expressed as:

Slope = [(Most extreme fold change) * (baseline value) - (baseline value)] / [(Time to most extreme fold change) - (time of the baseline value)]

Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Glomerular and Renal Tubular Function: Change From Baseline to Week 48 in Urine Retinol Binding Protein (URBP)/ Urine Creatinine (UCr)
Időkeret: Baseline and wk 48
URBP/UCr Week 48 difference from baseline
Baseline and wk 48
Change in Glomerular and Renal Tubular Function: Change From Baseline to Week 48 in Urine Beta-2 Microglobulin (UB2MG)
Időkeret: Baseline and wk 48
UB2MG Week 48 difference from baseline
Baseline and wk 48
Change in Glomerular and Renal Tubular Function: Change From Baseline to Week 48 in Urine Protein (UProt) / Urine Creatinine (UCr)
Időkeret: Baseline and wk 48
UProt/ UCr Week 48 difference from baseline
Baseline and wk 48
Change in Glomerular and Renal Tubular Function: Change From Baseline to Week 48 in Urine Glucose (UGluc)
Időkeret: Baseline and wk 48
UGluc Week 48 difference from baseline
Baseline and wk 48
Change in Glomerular and Renal Tubular Function: Change From Baseline to Week 48 in Serum Creatinine (SCr)
Időkeret: Baseline and wk 48
SCr Week 48 difference from baseline
Baseline and wk 48
Change in Glomerular and Renal Tubular Function: Magnitude of Fold Change at Week 48 in Urine Retinol Binding Protein (URBP)/ Urine Creatinine (UCr)
Időkeret: Baseline and wk 48
The magnitude of change in URBP/UCr will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).
Baseline and wk 48
Change in Glomerular and Renal Tubular Function: Magnitude of Fold Change at Week 48 in Urine Beta-2 Microglobulin (UB2MG)
Időkeret: Baseline and wk 48
The magnitude of change in UB2MG will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).
Baseline and wk 48
Change in Glomerular and Renal Tubular Function: Magnitude of Fold Change at Week 48 in Urine Protein (UProt)/ Urine Creatinine (UCr)
Időkeret: Baseline and wk 48
The magnitude of change in UProt/UCr will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).
Baseline and wk 48
Change in Glomerular and Renal Tubular Function: Magnitude of Fold Change at Week 48 in Urine Glucose (UGluc)
Időkeret: Baseline and wk 48
The magnitude of change in UGluc will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).
Baseline and wk 48
Change in Glomerular and Renal Tubular Function: Magnitude of Fold Change at Week 48 in Serum Creatinine (SCr)
Időkeret: Baseline and wk 48
The magnitude of change in SCr will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).
Baseline and wk 48
Change in Glomerular and Renal Tubular Function: Most Extreme Fold Change in Urine Retinol Binding Protein (URBP)/ Urine Creatinine (UCr)
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36 and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36 and 48
Change in Glomerular and Renal Tubular Function: Most Extreme Fold Change in UB2MG
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36 and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36 and 48
Change in Glomerular and Renal Tubular Function: Most Extreme Fold Change in UProt/UCr
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36 and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36 and 48
Change in Glomerular and Renal Tubular Function: Most Extreme Fold Change in UGluc
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36 and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36 and 48
Change in Glomerular and Renal Tubular Function: Most Extreme Fold Change in SCr
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36 and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36 and 48
Change in Glomerular and Renal Tubular Function: Time to Most Extreme Fold Change in Urine Retinol Binding Protein (URBP)/ Urine Creatinine (UCr)
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Glomerular and Renal Tubular Function: Time to Most Extreme Fold Change in UB2MG
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Glomerular and Renal Tubular Function: Time to Most Extreme Fold Change in UProt/UCr
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Glomerular and Renal Tubular Function: Time to Most Extreme Fold Change in UGluc
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Glomerular and Renal Tubular Function: Slope of the Curve of Baseline to Most Extreme Fold Change in Urine Retinol Binding Protein (URBP)/ Urine Creatinine (UCr)
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48

The slope from baseline to most extreme fold change can be expressed as:

Slope = [(Most extreme fold change) * (baseline value) - (baseline value)] / [(Time to most extreme fold change) - (time of the baseline value)]

Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Glomerular and Renal Tubular Function: Slope of the Curve of Baseline to Most Extreme Fold Change in UB2MG
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48

The slope from baseline to most extreme fold change can be expressed as:

Slope = [(Most extreme fold change) * (baseline value) - (baseline value)] / [(Time to most extreme fold change) - (time of the baseline value)]

Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Glomerular and Renal Tubular Function: Slope of the Curve of Baseline to Most Extreme Fold Change in UProt/UCr
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48

The slope from baseline to most extreme fold change can be expressed as:

Slope = [(Most extreme fold change) * (baseline value) - (baseline value)] / [(Time to most extreme fold change) - (time of the baseline value)]

Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Glomerular and Renal Tubular Function: Slope of the Curve of Baseline to Most Extreme Fold Change in UGluc
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48

The slope from baseline to most extreme fold change can be expressed as:

Slope = [(Most extreme fold change) * (baseline value) - (baseline value)] / [(Time to most extreme fold change) - (time of the baseline value)]

Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Glomerular and Renal Tubular Function: Slope of the Curve of Baseline to Most Extreme Fold Change in Scr
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48

The slope from baseline to most extreme fold change can be expressed as:

Slope = [(Most extreme fold change) * (baseline value) - (baseline value)] / [(Time to most extreme fold change) - (time of the baseline value)]

Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Change From Baseline to Week 48 in Osteocalcin (OC)
Időkeret: Baseline and wk 48
OC Week 48 difference from baseline
Baseline and wk 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Change From Baseline to Week 48 in C-Telopeptide (CTX)
Időkeret: Baseline and wk 48
CTX Week 48 difference from baseline
Baseline and wk 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Most Extreme Fold Change in Osteocalcin (OC)
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36 and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36 and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Most Extreme Fold Change in C-telopeptide (CTX)
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36 and 48
Most extreme fold change: This is the highest or lowest value measured as fold change from the baseline value of that variable.
Baseline, Weeks 4, 8, 12, 24, 36 and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: OC, Time to Most Extreme Fold Change
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Time to Most Extreme Fold Change in C-telopeptide (CTX)
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48
The time to most extreme fold change is the study week associated with the most extreme fold change or extreme percent change from baseline.
Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Slope of the Curve of Baseline to Most Extreme Fold Change in OC
Időkeret: Baseline, Weeks 4, 8, 12, 24, 36, and 48

The slope from baseline to most extreme fold change can be expressed as:

Slope = [(Most extreme fold change) * (baseline value) - (baseline value)] / [(Time to most extreme fold change) - (time of the baseline value)]

Baseline, Weeks 4, 8, 12, 24, 36, and 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Slope of the Curve of Baseline to Most Extreme Fold Change in CTX
Időkeret: Baseline, Weeks (wks) 4, 8, 12, 24, 36, and 48

The slope from baseline to most extreme fold change can be expressed as:

Slope = [(Most extreme fold change) * (baseline value) - (baseline value)] / [(Time to most extreme fold change) - (time of the baseline value)]

Baseline, Weeks (wks) 4, 8, 12, 24, 36, and 48
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 48 in PTH, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 24 in PTH, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 24 in FGF23, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 48 in FGF23, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 24 in 1,25 OHD, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 48 in 1,25 OHD, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 24 in Osteocalcin (OC), by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 48 in Osteocalcin (OC), by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 24 in CTX, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 48 in CTX, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 24 in SCr, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 48 in SCr, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 24 in TRP, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 48 in TRP, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 24 in UCa/UCr Ratio, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 48 in UCa/UCr Ratio, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 24 in UB2MG, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 48 in UB2MG, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 24 in UGluc, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 48 in UGluc, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 24 in URBP/UCr Ratio, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 48 in URBP/UCr Ratio, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Percent Change From Baseline to Week 24 in Lumbar Spine BMD, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Percent Change From Baseline to Week 48 in Lumbar Spine BMD, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 24 in Lumbar Spine BMD Z-score, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The Z-score is the standard deviation around mean bone mineral density, adjusted for sex, age, and race/ethnicity. An average Z-score of zero would be expected in this group of healthy adolescents and young adults. An increase in Z-score would signify acceleration of accrual of bone mass, a positive outcome; a decrease in Z-score would signify either bone loss or failure to accrue the expected amount of bone mass, both of which are adverse outcomes. The Z-score is a normalized measure.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 48 in Lumbar Spine BMD Z-score, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The Z-score is the standard deviation around mean bone mineral density, adjusted for sex, age, and race/ethnicity. An average Z-score of zero would be expected in this group of healthy adolescents and young adults. An increase in Z-score would signify acceleration of accrual of bone mass, a positive outcome; a decrease in Z-score would signify either bone loss or failure to accrue the expected amount of bone mass, both of which are adverse outcomes. The Z-score is a normalized measure.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Percent Change From Baseline to Week 24 in Femoral Neck BMD, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Percent Change From Baseline to Week 48 in Femoral Neck BMD, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 24 in Femoral Neck BMD Z-score, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The Z-score is the standard deviation around mean bone mineral density, adjusted for sex, age, and race/ethnicity. An average Z-score of zero would be expected in this group of healthy adolescents and young adults. An increase in Z-score would signify acceleration of accrual of bone mass, a positive outcome; a decrease in Z-score would signify either bone loss or failure to accrue the expected amount of bone mass, both of which are adverse outcomes. The Z-score is a normalized measure.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Change From Baseline to Week 48 in Femoral Neck BMD Z-score, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The Z-score is the standard deviation around mean bone mineral density, adjusted for sex, age, and race/ethnicity. An average Z-score of zero would be expected in this group of healthy adolescents and young adults. An increase in Z-score would signify acceleration of accrual of bone mass, a positive outcome; a decrease in Z-score would signify either bone loss or failure to accrue the expected amount of bone mass, both of which are adverse outcomes. The Z-score is a normalized measure.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Area Under the Drug Concentration by Time Curve (AUC): Percent Change From Baseline to Week 24 in Total Body BMC, by Overall Drug Exposure
Időkeret: Baseline and wk 24

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, and 24.

Baseline and wk 24
Area Under the Drug Concentration by Time Curve (AUC): Percent Change From Baseline to Week 48 in Total Body BMC, by Overall Drug Exposure
Időkeret: Baseline and wk 48

Overall drug exposure categories were determined based on the overall tertiles of mean AUC dried blood spot (DBS) Red Blood Cell (RBC) Tenofovir Diphosphate (intracellular) (TFV-DP). Comparisons were performed between the high exposure group and the low exposure group.

The time points at which data were collected were: weeks 4, 8, 12, 24, 36, and 48.

Baseline and wk 48
Magnitude of Change in Lumbar Spine BMD at Week 48
Időkeret: Baseline and wk 48
The magnitude of change will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).
Baseline and wk 48
Magnitude of Change in Lumbar Spine BMD Z-score at Week 48
Időkeret: Baseline and wk 48

The magnitude of change will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).

The Z-score is the standard deviation around mean bone mineral density, adjusted for sex, age, and race/ethnicity. An average Z-score of zero would be expected in this group of healthy adolescents and young adults. An increase in Z-score would signify acceleration of accrual of bone mass, a positive outcome; a decrease in Z-score would signify either bone loss or failure to accrue the expected amount of bone mass, both of which are adverse outcomes. The Z-score is a normalized measure.

Baseline and wk 48
Magnitude of Change in Femoral Neck BMD at Week 48
Időkeret: Baseline and wk 48
The magnitude of change will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).
Baseline and wk 48
Magnitude of Change in Femoral Neck BMD Z-score at Week 48
Időkeret: Baseline and wk 48
The magnitude of change will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).
Baseline and wk 48
Magnitude of Change in Total Body BMC at Week 48
Időkeret: Baseline and wk 48
The magnitude of change will be measured between Baseline and Week 48. For any given variable, at a given time point, the magnitude of change is the fold change compared to the baseline value (if multiplied by 100 would be the percent change from baseline).
Baseline and wk 48
Changes in BMD/BMC in the Extension Phase: Lumbar Spine BMD Change at EPH1 From Baseline
Időkeret: Baseline and wk 72

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the Baseline measure and the first Extension Phase visit (BL - EPH1)

Baseline and wk 72
Changes in BMD/BMC in the Extension Phase: Lumbar Spine BMD Change at EPH2 From Baseline
Időkeret: Baseline and wk 96

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the Baseline measure and the second Extension Phase visit (BL - EPH2)

Baseline and wk 96
Changes in BMD/BMC in the Extension Phase: Lumbar Spine BMD Change at EPH1 From Week 48 (or Last Visit on Study)
Időkeret: Wk 48 (or last available measurement on study), Wk 72

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the last measure on study and the first Extension Phase visit (Last - EPH1)

Wk 48 (or last available measurement on study), Wk 72
Changes in BMD/BMC in the Extension Phase: Lumbar Spine BMD Change at EPH2 From Week 48 (or Last Visit on Study)
Időkeret: Wk 48 (or last available measurement on study), Wk 96

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the last measure on study and the second Extension Phase visit (Last - EPH2)

Wk 48 (or last available measurement on study), Wk 96
Changes in BMD/BMC in the Extension Phase: Lumbar Spine BMD Z-score Change at EPH1 From Baseline
Időkeret: Baseline and wk 72

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the Baseline measure and the first Extension Phase visit (BL - EPH1).

The Z-score is the standard deviation around mean bone mineral density, adjusted for sex, age, and race/ethnicity. An average Z-score of zero would be expected in this group of healthy adolescents and young adults. An increase in Z-score would signify acceleration of accrual of bone mass, a positive outcome; a decrease in Z-score would signify either bone loss or failure to accrue the expected amount of bone mass, both of which are adverse outcomes. The Z-score is a normalized measure.

Baseline and wk 72
Changes in BMD/BMC in the Extension Phase: Lumbar Spine BMD Z-score Change at EPH2 From Baseline
Időkeret: Baseline and wk 96

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the Baseline measure and the second Extension Phase visit (BL - EPH2)

The Z-score is the standard deviation around mean bone mineral density, adjusted for sex, age, and race/ethnicity. An average Z-score of zero would be expected in this group of healthy adolescents and young adults. An increase in Z-score would signify acceleration of accrual of bone mass, a positive outcome; a decrease in Z-score would signify either bone loss or failure to accrue the expected amount of bone mass, both of which are adverse outcomes. The Z-score is a normalized measure.

Baseline and wk 96
Changes in BMD/BMC in the Extension Phase: Lumbar Spine BMD Z-score Change at EPH1 From Week 48 (or Last Visit on Study)
Időkeret: Wk 48 (or last available measurement on study), Wk 72

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the last measure on study and the first Extension Phase visit (Last - EPH1)

The Z-score is the standard deviation around mean bone mineral density, adjusted for sex, age, and race/ethnicity. An average Z-score of zero would be expected in this group of healthy adolescents and young adults. An increase in Z-score would signify acceleration of accrual of bone mass, a positive outcome; a decrease in Z-score would signify either bone loss or failure to accrue the expected amount of bone mass, both of which are adverse outcomes. The Z-score is a normalized measure.

Wk 48 (or last available measurement on study), Wk 72
Changes in BMD/BMC in the Extension Phase: Lumbar Spine BMD Z-score Change at EPH2 From Week 48 (or Last Visit on Study)
Időkeret: Wk 48 (or last available measurement on study), Wk 96

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the last measure on study and the second Extension Phase visit (Last - EPH2)

The Z-score is the standard deviation around mean bone mineral density, adjusted for sex, age, and race/ethnicity. An average Z-score of zero would be expected in this group of healthy adolescents and young adults. An increase in Z-score would signify acceleration of accrual of bone mass, a positive outcome; a decrease in Z-score would signify either bone loss or failure to accrue the expected amount of bone mass, both of which are adverse outcomes. The Z-score is a normalized measure.

Wk 48 (or last available measurement on study), Wk 96
Changes in BMD/BMC in the Extension Phase: Femoral Neck BMD Change at EPH1 From Baseline
Időkeret: Baseline and wk 72

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the Baseline measure and the first Extension Phase visit (BL - EPH1)

Baseline and wk 72
Changes in BMD/BMC in the Extension Phase: Femoral Neck BMD Change at EPH2 From Baseline
Időkeret: Baseline and wk 96

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the Baseline measure and the second Extension Phase visit (BL - EPH2)

Baseline and wk 96
Changes in BMD/BMC in the Extension Phase: Femoral Neck BMD Change at EPH1 From Week 48 (or Last Visit on Study)
Időkeret: Wk 48 (or last available measurement on study), Wk 72

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the last measure on study and the first Extension Phase visit (Last- EPH1)

Wk 48 (or last available measurement on study), Wk 72
Changes in BMD/BMC in the Extension Phase: Femoral Neck BMD Change at EPH2 From Week 48 (or Last Visit on Study)
Időkeret: W 48 (or last available measurement on study), Wk 96

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the last measure on study and the second Extension Phase visit (Last- EPH2)

W 48 (or last available measurement on study), Wk 96
Changes in BMD/BMC in the Extension Phase: Femoral Neck BMD Z-score Change at EPH1 From Baseline
Időkeret: Baseline and wk 72

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the Baseline measure and the first Extension Phase visit (BL - EPH1)

The Z-score is the standard deviation around mean bone mineral density, adjusted for sex, age, and race/ethnicity. An average Z-score of zero would be expected in this group of healthy adolescents and young adults. An increase in Z-score would signify acceleration of accrual of bone mass, a positive outcome; a decrease in Z-score would signify either bone loss or failure to accrue the expected amount of bone mass, both of which are adverse outcomes. The Z-score is a normalized measure.

Baseline and wk 72
Changes in BMD/BMC in the Extension Phase: Femoral Neck BMD Z-score Change at EPH2 From Baseline
Időkeret: Baseline, Week 96

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the Baseline measure and the second Extension Phase visit (BL - EPH2)

The Z-score is the standard deviation around mean bone mineral density, adjusted for sex, age, and race/ethnicity. An average Z-score of zero would be expected in this group of healthy adolescents and young adults. An increase in Z-score would signify acceleration of accrual of bone mass, a positive outcome; a decrease in Z-score would signify either bone loss or failure to accrue the expected amount of bone mass, both of which are adverse outcomes. The Z-score is a normalized measure.

Baseline, Week 96
Changes in BMD/BMC in the Extension Phase: Femoral Neck BMD Z-score Change at EPH1 From Week 48 (or Last Visit on Study)
Időkeret: Week 48 (or last available measurement on study), Week 72

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the last measure on study and the first Extension Phase visit (Last - EPH1)

The Z-score is the standard deviation around mean bone mineral density, adjusted for sex, age, and race/ethnicity. An average Z-score of zero would be expected in this group of healthy adolescents and young adults. An increase in Z-score would signify acceleration of accrual of bone mass, a positive outcome; a decrease in Z-score would signify either bone loss or failure to accrue the expected amount of bone mass, both of which are adverse outcomes. The Z-score is a normalized measure.

Week 48 (or last available measurement on study), Week 72
Changes in BMD/BMC in the Extension Phase: Femoral Neck BMD Z-score Change at EPH2 From Week 48 (or Last Visit on Study)
Időkeret: Wk 48 (or last available measurement on study), Wk 96

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the last measure on study and the second Extension Phase visit (Last - EPH2).

The Z-score is the standard deviation around mean bone mineral density, adjusted for sex, age, and race/ethnicity. An average Z-score of zero would be expected in this group of healthy adolescents and young adults. An increase in Z-score would signify acceleration of accrual of bone mass, a positive outcome; a decrease in Z-score would signify either bone loss or failure to accrue the expected amount of bone mass, both of which are adverse outcomes. The Z-score is a normalized measure.

Wk 48 (or last available measurement on study), Wk 96
Changes in BMD/BMC in the Extension Phase: Total Body BMC Change at EPH1 From Baseline
Időkeret: Baseline and wk 72

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the Baseline measure and the first Extension Phase visit (BL - EPH1)

Baseline and wk 72
Changes in BMD/BMC in the Extension Phase: Total Body BMC Change at EPH2 From Baseline
Időkeret: Baseline and wk 96

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the Baseline measure and the second Extension Phase visit (BL - EPH2)

Baseline and wk 96
Changes in BMD/BMC in the Extension Phase: Total Body BMC Change at EPH1 From Week 48 (or Last Visit on Study)
Időkeret: Wk 48 (or last available measurement on study), Wk 72

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the last measure on study and the first Extension Phase visit (Last- EPH1)

Wk 48 (or last available measurement on study), Wk 72
Changes in BMD/BMC in the Extension Phase: Total Body BMC Change at EPH2 From Week 48 (or Last Visit on Study)
Időkeret: Wk 48 (or last available measurement on study), Wk 96

For subjects in the extension phase of the study, the last measured values at the ATN 110 or ATN 113 study week 48 visit will be compared with those measured at the Extension Phase visit 1 (EPH 1, 24 weeks after the ATN 110 or ATN 113 study week 48 visit) and EPH 2 (48 weeks after the ATN 110 or ATN 113 study week 48 visit).

This measure shows the difference between the last measure on study and the second Extension Phase visit (Last- EPH2)

Wk 48 (or last available measurement on study), Wk 96

Együttműködők és nyomozók

Itt találhatja meg a tanulmányban érintett személyeket és szervezeteket.

Publikációk és hasznos linkek

A vizsgálattal kapcsolatos információk beviteléért felelős személy önkéntesen bocsátja rendelkezésre ezeket a kiadványokat. Ezek bármiről szólhatnak, ami a tanulmányhoz kapcsolódik.

Hasznos linkek

Tanulmányi rekorddátumok

Ezek a dátumok nyomon követik a ClinicalTrials.gov webhelyre benyújtott vizsgálati rekordok és összefoglaló eredmények benyújtásának folyamatát. A vizsgálati feljegyzéseket és a jelentett eredményeket a Nemzeti Orvostudományi Könyvtár (NLM) felülvizsgálja, hogy megbizonyosodjon arról, hogy megfelelnek-e az adott minőség-ellenőrzési szabványoknak, mielőtt közzéteszik őket a nyilvános weboldalon.

Tanulmány főbb dátumok

Tanulmány kezdete

2012. november 1.

Elsődleges befejezés (Tényleges)

2015. november 1.

A tanulmány befejezése (Tényleges)

2015. november 1.

Tanulmányi regisztráció dátumai

Először benyújtva

2013. január 14.

Először nyújtották be, amely megfelel a minőségbiztosítási kritériumoknak

2013. január 14.

Első közzététel (Becslés)

2013. január 16.

Tanulmányi rekordok frissítései

Utolsó frissítés közzétéve (Tényleges)

2019. március 27.

Az utolsó frissítés elküldve, amely megfelel a minőségbiztosítási kritériumoknak

2019. március 25.

Utolsó ellenőrzés

2018. november 1.

Több információ

Ezt az információt közvetlenül a clinicaltrials.gov webhelyről szereztük be, változtatás nélkül. Ha bármilyen kérése van vizsgálati adatainak módosítására, eltávolítására vagy frissítésére, kérjük, írjon a következő címre: register@clinicaltrials.gov. Amint a változás bevezetésre kerül a clinicaltrials.gov oldalon, ez a webhelyünkön is automatikusan frissül. .

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