A Study of Semagacestat for Alzheimer's Patients (Identity XT)
2014. szeptember 22. frissítette: Eli Lilly and Company
Open-Label Extension for Alzheimer's Disease Patients Who Complete One of Two Semagacestat Phase 3 Double-Blind Studies (H6L-MC-LFAN or H6L-MC-LFBC)
The primary objective of the original study was to assess the safety of semagacestat in Alzheimer's disease (AD) patients during 24 months of open-label treatment. Baseline for the efficacy measures is defined as the baseline for feeder studies LFAN (NCT00594568) and LFBC (NCT00762411). For all safety analyses (adverse events), baseline for patients will be week 0 of this study (LFBF).
Preliminary results from LFAN and LFBC showed semagacestat did not slow disease progression and was associated with worsening of clinical measures of cognition and the ability to perform activities of daily living. Study drug was stopped in all studies. Studies LFAN, LFBC and LFBF have been amended to continue collecting safety data, including cognitive scores, for at least seven months. The CT-Registry will reflect results of analyses from the original protocol in addition to those from the amended protocol. Very few participants from LFBC rolled over into LFBF (N = 9). Due to insufficient sample size, the data for LFBC participants who rolled into LFBF were not analyzed.
A tanulmány áttekintése
Tanulmány típusa
Beavatkozó
Beiratkozás (Tényleges)
180
Fázis
- 3. fázis
Kapcsolatok és helyek
Ez a rész a vizsgálatot végzők elérhetőségeit, valamint a vizsgálat lefolytatásának helyére vonatkozó információkat tartalmazza.
Tanulmányi helyek
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New South Wales
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Kogarah, New South Wales, Ausztrália, 2217
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Victoria
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Geelong, Victoria, Ausztrália, 3220
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Heidelberg West, Victoria, Ausztrália, 3081
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Antofagasta, Chile
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Santiago, Chile
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Valdivia, Chile
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Bellville, Dél-Afrika, 7530
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Arizona
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Phoenix, Arizona, Egyesült Államok, 85004
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Sun City, Arizona, Egyesült Államok, 85351
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Tucson, Arizona, Egyesült Államok, 85741
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California
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Costa Mesa, California, Egyesült Államok, 92626
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Fresno, California, Egyesült Államok, 93720
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Laguna Hills, California, Egyesült Államok, 92653
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Lomita, California, Egyesült Államok, 90717
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Orange, California, Egyesült Államok, 92868
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San Diego, California, Egyesült Államok, 92103
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San Francisco, California, Egyesült Államok, 94109
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Santa Monica, California, Egyesült Államok, 90404
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Connecticut
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Hamden, Connecticut, Egyesült Államok, 06518
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New Haven, Connecticut, Egyesült Államok, 06510
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District of Columbia
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Washington, District of Columbia, Egyesült Államok, 20057
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Florida
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Brooksville, Florida, Egyesült Államok, 34601
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Deerfield Beach, Florida, Egyesült Államok, 33064
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Fort Lauderdale, Florida, Egyesült Államok, 33308
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Fort Myers, Florida, Egyesült Államok, 33912
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Hollywood, Florida, Egyesült Államok, 33021
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Miami, Florida, Egyesült Államok, 33137
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Orlando, Florida, Egyesült Államok, 32806
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St Petersburg, Florida, Egyesült Államok, 33716
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Tampa Bay, Florida, Egyesült Államok, 33613
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Indiana
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Indianapolis, Indiana, Egyesült Államok, 46202
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Kentucky
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Lexington, Kentucky, Egyesült Államok, 40503
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Louisiana
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New Orleans, Louisiana, Egyesült Államok, 70131
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Shreveport, Louisiana, Egyesült Államok, 71104
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Massachusetts
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Hyannis, Massachusetts, Egyesült Államok, 02601
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Missouri
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St Louis, Missouri, Egyesült Államok, 63108
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New York
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New York, New York, Egyesült Államok, 10032
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North Carolina
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Durham, North Carolina, Egyesült Államok, 27705
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Raleigh, North Carolina, Egyesült Államok, 27607
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Winston-Salem, North Carolina, Egyesült Államok, 27103
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Ohio
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Toledo, Ohio, Egyesült Államok, 43623
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Oklahoma
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Oklahoma City, Oklahoma, Egyesült Államok, 73116
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Oregon
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Eugene, Oregon, Egyesült Államok, 97401
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Pennsylvania
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Jenkintown, Pennsylvania, Egyesült Államok, 19046
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Philadelphia, Pennsylvania, Egyesült Államok, 19104
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Rhode Island
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East Providence, Rhode Island, Egyesült Államok, 02914
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South Carolina
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North Charleston, South Carolina, Egyesült Államok, 29406
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Vermont
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Bennington, Vermont, Egyesült Államok, 05201
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Kuopio, Finnország, 70210
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Oulu, Finnország, 90229
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Toulouse, Franciaország, TSA 60033
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Ashkelon, Izrael, 78306
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Petah Tikva, Izrael, 49100
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Tel Hashomer, Izrael, 52661
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Fukui, Japán, 910-3113
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Fukuoka, Japán, 770-8076
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Kochi, Japán, 780-0842
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Tokushima, Japán, 770-0852
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British Columbia
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Kelowna, British Columbia, Kanada, V1Y3G8
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Penticton, British Columbia, Kanada, V2A5C8
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Quebec
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Sherbrooke, Quebec, Kanada, J1H1Z1
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Lublin, Lengyelország, 20-950
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Poznan, Lengyelország, 61- 485
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Hannover, Németország, 30559
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Muenchen, Németország, 81675
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Regensburg, Németország, D-93053
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Siegen, Németország, 57072
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Milano, Olaszország, 20132
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Barcelona, Spanyolország, 08003
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Plasencia, Spanyolország, 10600
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Stockholm, Svédország, 14186
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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
55 év és régebbi (Felnőtt, Idősebb felnőtt)
Egészséges önkénteseket fogad
Nem
Tanulmányozható nemek
Összes
Leírás
Inclusion Criteria:
- Meets National Institute of Neurological and Communicative Disorders and Stroke/Alzheimer's Disease and Related Disorders Association (NINCDS/ADRDA) criteria for probable Alzheimer's Disease
- Completed semagacestat study LFAN or study LFBC through 88 weeks
- Must continue to have a reliable caregiver
- Capable of swallowing whole oral medication
- Agrees not to participate in other investigational compounds for the duration of study
Exclusion Criteria:
- Meets LFAN or LFBC study discontinuation criteria at the last visit of the LFAN or LFBC study
Tanulási terv
Ez a rész a vizsgálati terv részleteit tartalmazza, beleértve a vizsgálat megtervezését és a vizsgálat mérését.
Hogyan készül a tanulmány?
Tervezési részletek
- Elsődleges cél: Kezelés
- Kiosztás: N/A
- Beavatkozó modell: Egyetlen csoportos hozzárendelés
- Maszkolás: Nincs (Open Label)
Fegyverek és beavatkozások
Résztvevő csoport / kar |
Beavatkozás / kezelés |
|---|---|
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Kísérleti: Drug: semagacestat
|
140mg administered orally, once daily for 24 months; dose reduction to 100mg or 60 mg possible due to intolerability
Más nevek:
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Mit mér a tanulmány?
Elsődleges eredményintézkedések
Eredménymérő |
Intézkedés leírása |
Időkeret |
|---|---|---|
|
Change From Baseline in Alzheimer's Disease Assessment Scale - Cognitive Subscale (ADAS-Cog11) at Week 16 After Cessation of Study Drug
Időkeret: Baseline (LFAN randomization), 16 weeks (LFBF) after cessation of study drug
|
The cognitive subscale of the ADAS (ADAS-Cog11) consists of 11 items assessing areas of function most typically impaired in Alzheimer's Disease (AD): orientation, verbal memory, language, and praxis.
The scale ranges from 0 to 70, with higher scores indicating greater disease severity.
|
Baseline (LFAN randomization), 16 weeks (LFBF) after cessation of study drug
|
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Change From Baseline in Alzheimer's Disease Cooperative Study Activities of Daily Living Inventory (ADCS-ADL) at Week 16 After Cessation of Study Drug
Időkeret: Baseline (LFAN randomization), 16 weeks (LFBF) after cessation of study drug
|
The ADCS-ADL is a 23-item inventory developed as a rater-administered questionnaire answered by the participant's caregiver.
It measures both basic and instrumental activities of daily living.
The total score ranges from 0 to 78, with lower scores indicating greater disease severity.
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Baseline (LFAN randomization), 16 weeks (LFBF) after cessation of study drug
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Másodlagos eredményintézkedések
Eredménymérő |
Intézkedés leírása |
Időkeret |
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Percent Change From Baseline in Amyloid Beta (Aβ) 1-42 Plasma Concentration at Week 12
Időkeret: Baseline (LFAN Randomization ), 6 hours pose-dose at Week 12 (LFBF)
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Concentration of amino acid peptide known as Aβ 1-42 in plasma.
Least Square (LS) Mean value was controlled for baseline value, age, and investigator.
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Baseline (LFAN Randomization ), 6 hours pose-dose at Week 12 (LFBF)
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Change From Baseline in Hippocampal Volume Using Volumetric Magnetic Resonance Imaging (vMRI) at Week 12
Időkeret: Baseline (LFAN Randomization), 12 weeks (LFBF)
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The vMRI assessment of right hippocampal and left hippocampal volume is reported.
Least Square (LS) Mean value was controlled for baseline value, age, and investigator.
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Baseline (LFAN Randomization), 12 weeks (LFBF)
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Change From Baseline in Amyloid Imaging Positron Emission Tomography (AV-45-PET) at Week 12
Időkeret: Baseline (LFAN Randomization), 12 weeks (LFBF)
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A radioactive tracer for PET that is a ligand for amyloid called [18F]-AV-45.
This permits the visualization of amyloid in the brains of Alzheimer's participants.
The outcome reported is the composite summary of the standard uptake value ratio for the cerebellar gray matter.
Least Squares (LS) Mean value was controlled for baseline value, age, and investigator.
Due to insufficient sample size, this analysis was not done.
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Baseline (LFAN Randomization), 12 weeks (LFBF)
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Change From Baseline in Alzheimer's Disease Assessment Scale - Cognitive Subscale (ADAS-Cog11) at Week 12
Időkeret: Baseline (LFAN Randomization), 12 weeks (LFBF)
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The cognitive subscale of the ADAS (ADAS-Cog11) consists of 11 items assessing areas of function most typically impaired in Alzheimer's Disease (AD): orientation, verbal memory, language, and praxis.
The scale ranges from 0 to 70, with higher scores indicating greater disease severity.
Least Square (LS) Mean value was controlled for baseline value, age, investigator, and concomitant standard of care (SOC) medication.
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Baseline (LFAN Randomization), 12 weeks (LFBF)
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Change From Baseline in Alzheimer's Disease Assessment Scale - Cognitive Subscale (ADAS-Cog12) at Week 12
Időkeret: Baseline (LFAN Randomization), 12 weeks (LFBF)
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ADAS-Cog12 is the ADAS-Cog11 augmented with the delayed free recall measure, resulting in a total score ranging from 0 to 80. Higher scores indicate greater disease severity.
Least Square (LS) Mean value was controlled for baseline value, age, investigator, and concomitant standard of care (SOC) medication.
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Baseline (LFAN Randomization), 12 weeks (LFBF)
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Change From Baseline in Alzheimer's Disease Assessment Scale - Cognitive Subscale (ADAS-Cog14) at Week 12
Időkeret: Baseline (LFAN Randomization), 12 weeks (LFBF)
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The ADAS-Cog14 is the ADAS-Cog11 augmented with delayed free recall, digit cancellation, and maze completion measures.
A score of 0 to 10 for delayed free recall and a conversion code of 0 to 5 for digit cancellation and maze completion provide total score ranges for this extended ADAS-Cog14 of 0 to 90.
Higher scores indicate greater disease severity.
Least Square (LS) Mean value was controlled for the baseline value, age, investigator, and concomitant standard of care (SOC) medication.
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Baseline (LFAN Randomization), 12 weeks (LFBF)
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Change From Baseline in Alzheimer's Disease Cooperative Study Activities of Daily Living Inventory (ADCS-ADL) at Week 12
Időkeret: Baseline (LFAN Randomization), 12 weeks (LFBF)
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The ADCS-ADL is a 23-item inventory developed as a rater-administered questionnaire answered by the participant's caregiver.
It measures both basic and instrumental activities of daily living.
The total score ranges from 0 to 78, with lower scores indicating greater disease severity.
Least Square (LS) Mean value was controlled for baseline value, age, investigator, and concomitant standard of care (SOC) medication.
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Baseline (LFAN Randomization), 12 weeks (LFBF)
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Mean Concentration of LY450139
Időkeret: 3 months (pre-dose, 2, 4, and 6 hours after dosing )(LFBF)
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3 months (pre-dose, 2, 4, and 6 hours after dosing )(LFBF)
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Change From Baseline in Alzheimer's Disease Assessment Scale - Cognitive Subscale (ADAS-Cog12) at Week 16 After Cessation of Study Drug
Időkeret: Baseline (LFAN Randomization), 16 weeks (LFBF) after cessation of study drug
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ADAS-Cog12 is the ADAS-Cog11 augmented with the delayed free recall measure, resulting in a total score ranging from 0 to 80. Higher scores indicate greater disease severity.
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Baseline (LFAN Randomization), 16 weeks (LFBF) after cessation of study drug
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Change From Baseline in Alzheimer's Disease Assessment Scale - Cognitive Subscale (ADAS-Cog14) at Week 16 After Cessation of Study Drug
Időkeret: Baseline (LFAN Randomization), 16 weeks (LFBF) after cessation of study drug
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The ADAS-Cog14 is the ADAS-Cog11 augmented with delayed free recall, digit cancellation, and maze completion measures.
A score of 0 to 10 for delayed free recall and a conversion code of 0 to 5 for digit cancellation and maze completion provide total score ranges for this extended ADAS-Cog14 of 0 to 90.
Higher scores indicate greater disease severity.
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Baseline (LFAN Randomization), 16 weeks (LFBF) after cessation of study drug
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Change From Baseline in Clinical Dementia Rating Scale (Sum of Boxes) (CDR-SB) at Week 24
Időkeret: Baseline (LFAN Randomization), 24 weeks (LFBF)
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The CDR-SB is a semi-structured interview of participants and their caregivers.
The participant's cognitive status is rated in 6 domains of functioning, including memory, orientation, judgment and problem solving, community affairs, home and hobbies, and personal care.
A severity score is assigned for each of the 6 domains with total score ranging from 0 to 18. Higher scores indicate greater disease severity.
Least Square (LS) Mean value was controlled for baseline value, age, investigator, and concomitant standard of care (SOC) medication.
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Baseline (LFAN Randomization), 24 weeks (LFBF)
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Change From Baseline in Mini-Mental State Examination (MMSE) at Week 24
Időkeret: Baseline (LFAN Randomization), 24 weeks (LFBF)
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The MMSE is a brief screening instrument used to assess cognitive function in elderly participants.
It assesses orientation, memory, attention, and ability to name objects, follow verbal and written commands, write a sentence, and copy figures.
The total score ranges from 0 to 30, with a lower score indicating greater disease severity.
Least Square (LS) Mean value was controlled for baseline value, age, investigator, and concomitant standard of care (SOC) medication.
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Baseline (LFAN Randomization), 24 weeks (LFBF)
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Change From Baseline in Neuropsychiatric Inventory (NPI) at Week 24
Időkeret: Baseline (LFAN Randomization), 24 weeks (LFBF)
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The NPI is a tool for assessing psychopathology in patients with dementia and other neurologic disorders.
Information is obtained from a caregiver familiar with the patient's behavior.
The score ranges from 12 to 144, with higher scores indicating greater disease severity.
Least Square (LS) Mean value was controlled for the baseline value, age, investigator, concomitant standard of care medication.
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Baseline (LFAN Randomization), 24 weeks (LFBF)
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Change From Baseline in EuroQol-5D (EQ-5D) at Week 24
Időkeret: Baseline (LFAN Randomization), 24 weeks (LFBF)
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EQ-5D (proxy version) measures mobility, self-care, usual activities, pain/discomfort, anxiety/depression; each has 3 severity levels (no, some, severe problems) coded to a 1-digit number (1-3).
Digits are combined into 5-digit number describing health state.
Numbers 1-3 are not added for total score.
Visual Analog Scale (VAS) assesses caregiver's impression of participant's overall health state; VAS scores range=0-100, with lower scores indicating greater disease severity.
LS Mean value was controlled for baseline value, age, investigator, and concomitant standard of care (SOC) medication.
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Baseline (LFAN Randomization), 24 weeks (LFBF)
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Change From Baseline in Resource Utilization in Dementia-Lite Questionnaire (RUD-Lite) at Week 12
Időkeret: Baseline (LFAN Randomization), 12 weeks (LFBF)
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RUD-Lite assesses the healthcare resource utilization of participants and their caregivers to determine the level of formal and informal care attributable to Alzheimer's Disease (AD).
Information on both caregivers (caregiving time, work status) and participants (accommodation and healthcare resource utilization) is collected from the baseline and follow-up interviews.
Reported the change in number of hospitalizations per participant to week 12.
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Baseline (LFAN Randomization), 12 weeks (LFBF)
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Együttműködők és nyomozók
Itt találhatja meg a tanulmányban érintett személyeket és szervezeteket.
Szponzor
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
2009. december 1.
Elsődleges befejezés (Tényleges)
2011. április 1.
A tanulmány befejezése (Tényleges)
2011. április 1.
Tanulmányi regisztráció dátumai
Először benyújtva
2009. december 17.
Először nyújtották be, amely megfelel a minőségbiztosítási kritériumoknak
2009. december 17.
Első közzététel (Becslés)
2009. december 18.
Tanulmányi rekordok frissítései
Utolsó frissítés közzétéve (Becslés)
2014. szeptember 25.
Az utolsó frissítés elküldve, amely megfelel a minőségbiztosítási kritériumoknak
2014. szeptember 22.
Utolsó ellenőrzés
2014. szeptember 1.
Több információ
A tanulmányhoz kapcsolódó kifejezések
További vonatkozó MeSH feltételek
Egyéb vizsgálati azonosító számok
- 5930
- H6L-MC-LFBF (Egyéb azonosító: Eli Lilly and Company)
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. .