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

25 mars 2019 uppdaterad av: 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.

Studieöversikt

Status

Avslutad

Betingelser

Intervention / Behandling

Detaljerad beskrivning

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.

Studietyp

Observationell

Inskrivning (Faktisk)

101

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studieorter

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

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

15 år till 22 år (Barn, Vuxen)

Tar emot friska volontärer

Ja

Kön som är behöriga för studier

Manlig

Testmetod

Icke-sannolikhetsprov

Studera befolkning

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.

Beskrivning

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).

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

Kohorter och interventioner

Grupp / Kohort
Intervention / Behandling
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.
Andra namn:
  • Truvada®

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Magnitude of Change (Fold Change) in Parathyroid Hormone (PTH) From Baseline to Week 48
Tidsram: 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

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: Fibroblast Growth Factor 23 (FGF23), Change From Baseline to Week 48
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: Baseline and wk 48
Baseline and wk 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: 1,25 OHD, Magnitude of Fold Change
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: Baseline and wk 48
Baseline and wk 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: TRP, Magnitude of Fold Change
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: Baseline and wk 48
Baseline and wk 48
Change in Renal-endocrine-bone Biochemistry and Pathophysiology: GFR, Magnitude of Fold Change
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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)
Tidsram: Baseline and wk 48
Serum calcium Week 48 difference from baseline
Baseline and wk 48
Magnitude of Most Extreme Fold Change: Serum Calcium (SCa)
Tidsram: 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)
Tidsram: 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)
Tidsram: 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)
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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)
Tidsram: Baseline and wk 48
Serum Phosphate (SPO4) Week 48 difference from baseline
Baseline and wk 48
Magnitude of Most Extreme Fold Change: SPO4
Tidsram: 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
Tidsram: 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
Tidsram: 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)
Tidsram: 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)
Tidsram: 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)
Tidsram: 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)
Tidsram: 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)
Tidsram: 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)
Tidsram: 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)
Tidsram: 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)
Tidsram: 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)
Tidsram: 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)
Tidsram: 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)
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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)
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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)
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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)
Tidsram: 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)
Tidsram: 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)
Tidsram: 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)
Tidsram: 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
Tidsram: 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)
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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
Tidsram: 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)
Tidsram: 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)
Tidsram: 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
Tidsram: 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
Tidsram: 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)
Tidsram: 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)
Tidsram: 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
Tidsram: 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
Tidsram: 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)
Tidsram: 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)
Tidsram: 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
Tidsram: 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
Tidsram: 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)
Tidsram: 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)
Tidsram: 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
Tidsram: 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
Tidsram: 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)
Tidsram: 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)
Tidsram: 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

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Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart

1 november 2012

Primärt slutförande (Faktisk)

1 november 2015

Avslutad studie (Faktisk)

1 november 2015

Studieregistreringsdatum

Först inskickad

14 januari 2013

Först inskickad som uppfyllde QC-kriterierna

14 januari 2013

Första postat (Uppskatta)

16 januari 2013

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

27 mars 2019

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

25 mars 2019

Senast verifierad

1 november 2018

Mer information

Denna information hämtades direkt från webbplatsen clinicaltrials.gov utan några ändringar. Om du har några önskemål om att ändra, ta bort eller uppdatera dina studieuppgifter, vänligen kontakta register@clinicaltrials.gov. Så snart en ändring har implementerats på clinicaltrials.gov, kommer denna att uppdateras automatiskt även på vår webbplats .

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