Effects of LY450139, on the Progression of Alzheimer's Disease as Compared With Placebo

NCT ID: NCT00762411

Last Updated: 2015-02-16

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

1111 participants

Study Classification

INTERVENTIONAL

Study Start Date

2008-09-30

Study Completion Date

2011-04-30

Brief Summary

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Alzheimer's disease (AD) is a fatal degenerative disease of the brain for which there is no cure. AD causes brain cells to die. AD is thought to be caused by an excess of beta amyloid (β-amyloid), a sticky protein in the brain that forms amyloid plaques. At autopsy, AD patients are required to have these amyloid plaques in the brain in order to have a definitive diagnosis of AD. Inhibiting the enzyme gamma-secretase (γ-secretase) lowers the production of β-amyloid. Semagacestat (LY450139) is a functional γ-secretase inhibitor and was shown to lower β-amyloid in blood and spinal fluid in humans tested thus far and in blood, spinal fluid and brain in animals tested thus far. This study used several different tests to measure the effect of semagacestat on both β-amyloid and amyloid plaques for some patients. The buildup of amyloid plaques was measured by a brain scan that takes a picture of amyloid plaques in the brain. Other tests measured the overall function of the brain and brain size in some patients. In this trial, patients who initially received placebo (inactive sugar pill) were, at a certain point in the study, switched over to active drug, semagacestat. In other words, all patients could eventually receive active drug. Each patient's participation could last approximately 2 years. Patients taking approved AD medications were permitted to participate in this study and continue taking these medications during the study. All patients who completed this study had the option to continue receiving semagacestat by participating in an open label study.

Preliminary results from this study (LFBC) (and another similar study LFAN \[NCT00594568\]) 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. LFBC, LFAN and open label LFBF (NCT01035138) 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.

Detailed Description

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Conditions

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Alzheimer's Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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LY450139

Participants received 60 milligrams (mg) LY450139 orally once daily for 2 weeks followed by 100 mg LY450139 orally once daily for 2 weeks, then 140 mg LY450139 orally once daily until Week 88.

Group Type EXPERIMENTAL

LY450139

Intervention Type DRUG

Administered orally once daily.

Placebo

Participants received placebo orally once daily for the first 76 weeks. At the end of 76 weeks, participants in the placebo arm received LY450139 titrated up to 140 mg orally once daily until Week 88.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Administered orally once daily.

Interventions

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LY450139

Administered orally once daily.

Intervention Type DRUG

Placebo

Administered orally once daily.

Intervention Type DRUG

Other Intervention Names

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Semagacestat

Eligibility Criteria

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Inclusion Criteria

* Meets criteria for mild to moderate Alzheimer's disease (AD) with Mini-Mental State Examination score of 16 through 26 at visit 1
* Modified Hachinski Ischemia Scale score of less than or equal to 4
* Geriatric Depression Scale score of less than or equal to 6
* A magnetic resonance imaging (MRI) or computerized tomography (CT) scan in the last 2 years with no findings inconsistent with a diagnosis of AD
* If female, must be without menstruation for a least 12 consecutive months or have had both ovaries removed.

Exclusion Criteria

* Is not capable of swallowing whole oral medication
* Has serious or unstable illnesses
* Does not have a reliable caregiver
* Chronic alcohol and/or drug abuse within the past 5 years
* Has ever had a active vaccination for AD
Minimum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Eli Lilly and Company

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Role: STUDY_DIRECTOR

Eli Lilly and Company

Locations

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Xi'an, , China

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Bucharest, , Romania

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Saint Petersburg, , Russia

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Saratov, , Russia

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Yekaterinburg, , Russia

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Belgrade, , Serbia

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Kragujevac, , Serbia

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Seoul, , South Korea

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Changhua, , Taiwan

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Tainan City, , Taiwan

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Taipei, , Taiwan

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Taoyuan District, , Taiwan

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For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.

Eskişehir, , Turkey (Türkiye)

Site Status

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Istanbul, , Turkey (Türkiye)

Site Status

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Izmir, , Turkey (Türkiye)

Site Status

For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.

Samsun, , Turkey (Türkiye)

Site Status

For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.

Dnipropetrovsk, , Ukraine

Site Status

For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.

Donetsk, , Ukraine

Site Status

For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.

Kherson, , Ukraine

Site Status

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Kyiv, , Ukraine

Site Status

For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician.

Odesa, , Ukraine

Site Status

Countries

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United States Brazil Bulgaria Canada China France Germany Hungary Italy Japan Mexico Romania Russia Serbia South Korea Taiwan Turkey (Türkiye) Ukraine

References

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Liu-Seifert H, Siemers E, Price K, Han B, Selzler KJ, Henley D, Sundell K, Aisen P, Cummings J, Raskin J, Mohs R; Alzheimer's Disease Neuroimaging Initiative. Cognitive Impairment Precedes and Predicts Functional Impairment in Mild Alzheimer's Disease. J Alzheimers Dis. 2015;47(1):205-14. doi: 10.3233/JAD-142508.

Reference Type DERIVED
PMID: 26402769 (View on PubMed)

Henley DB, Dowsett SA, Chen YF, Liu-Seifert H, Grill JD, Doody RS, Aisen P, Raman R, Miller DS, Hake AM, Cummings J. Alzheimer's disease progression by geographical region in a clinical trial setting. Alzheimers Res Ther. 2015 Jun 25;7(1):43. doi: 10.1186/s13195-015-0127-0. eCollection 2015.

Reference Type DERIVED
PMID: 26120369 (View on PubMed)

Other Identifiers

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H6L-MC-LFBC

Identifier Type: OTHER

Identifier Source: secondary_id

11271

Identifier Type: -

Identifier Source: org_study_id

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