A Phase 3 Study To Evaluate The Safety And Tolerability Of Dimebon Patients With Mild To Moderate Alzheimer's Disease

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NCT00838110

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Study Location
Pfizer Investigational Site
Mobile, Alabama, 36608, United States
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Contact
1-800-718-1021
[email protected]
Related Links

FOR MORE INFORMATION

Contact a representative by phone, email, or visiting the study website. Please see the references below:

By phone

Pfizer Clinical Trials Contact Center

1-800-718-1021

By email

Contact

[email protected]

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Eligibility Criteria
condition
The disease, disorder, syndrome, illness, or injury that is being studied.
Alzheimer's Disease
Sex
Females and Males
Age
Pediatric Trials: 0-17 Years
Adult Trials: 18+ Years
50 + years
Inclusion Criteria
The factors, or reasons, that allow a person to participate in a clinical study.
Show details

- Diagnosis of Alzheimer's Disease.

- MMSE 12-26 inclusive.

- If on existing anti-dementia therapy, have been on a stable dose of anti-dementia therapy (cholinesterase inhibitors and/or memantine) for at least 60 days prior to dosing in study.

- If not taking existing anti-dementia therapy, have not received therapy with cholinesterase inhibitors and/or memantine within 60 days prior to dosing in this study.

Exclusion Criteria
The factors, or reasons, that prevent a person from participating in a clinical study.
Show details


- Have major structural brain disease (e.g., ischemic infarcts, subdural hematoma,
hemorrhage, hydrocephalus, brain tumors, multiple subcortical ischemic lesions, or a
single lesion in a critical region [e.g., thalamus, hippocampus]).


- Have any major medical illness or unstable medical condition within six months of
screening that may interfere with the patient's ability to comply with study
procedures and abide by study restrictions.


- Have not been on a stable dose of anti-dementia therapy for at least 60 days prior to
dosing or intend to start anti-dementia therapy during the double blind portion of the
study.


- Reside in a nursing home or assisted care facility with need for 24-hour care and
supervision.

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Pfizer Clinical Trials Contact Center

1-800-718-1021

[email protected]

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NCT00838110
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Advanced Information
Descriptive Information
Brief Title  ICMJE A Phase 3 Study To Evaluate The Safety And Tolerability Of Dimebon Patients With Mild To Moderate Alzheimer's Disease
Official Title  ICMJE A Phase 3, Multi-Center, Randomized, Double-Blind Placebo-Controlled Study To Evaluate The Safety And Tolerability Of Dimebon (PF-01913539) For Up To 26-Weeks In Patients With Mild To Moderate Alzheimer's Disease
Brief Summary This is a multi-center, randomized, double-blind placebo-controlled safety study conducted in 2 study cohorts. In Cohort 1, subjects with Alzheimer's disease (n=250) will receive Dimebon 20 mg or placebo TID for 26 weeks. In Cohort 2 AD subjects (n=500) will be treated with Dimebon 20 mg or placebo TID for 12 weeks After completion of the randomized portion of the study, subjects in both Cohorts will have the opportunity to enroll in a Dimebon open label extension study.
Detailed Description Not Provided
Study Type  ICMJE Interventional
Study Phase  ICMJE Phase 3
Study Design  ICMJE Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Triple (Participant, Care Provider, Investigator)
Primary Purpose: Treatment
Condition  ICMJE Alzheimer's Disease
Intervention  ICMJE
  • Drug: Dimebon
    10 mg TID for week 1 followed by 20 mg TID through Week 26
  • Drug: Placebo
    10 mg TID for week 1 followed by 20 mg TID through Week 26
  • Drug: Dimebon
    10 mg TID for week 1 followed by 20 mg TID through Week 12
  • Drug: Placebo
    20 mg matched Placebo (Cohort 2) 10 mg TID for week 1 followed by 20 mg TID through Week 12
Study Arms  ICMJE
  • Experimental: Dimebon 20 mg TID (Cohort 1)
    Intervention: Drug: Dimebon
  • Placebo Comparator: Placebo TID (Cohort 1)
    Intervention: Drug: Placebo
  • Experimental: Dimebon 20 mg TID (Cohort 2)
    Intervention: Drug: Dimebon
  • Placebo Comparator: Placebo TID (Cohort 2)
    Intervention: Drug: Placebo
Publications * Not Provided

*   Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline.
 
Recruitment Information
Recruitment Status  ICMJE Completed
Actual Enrollment  ICMJE
 (submitted: April 5, 2011)		742
Original Estimated Enrollment  ICMJE
 (submitted: February 5, 2009)		750
Actual Study Completion Date  ICMJE January 2010
Actual Primary Completion Date January 2010   (Final data collection date for primary outcome measure)
Eligibility Criteria  ICMJE

Inclusion Criteria:

  • Diagnosis of Alzheimer's Disease.
  • MMSE 12-26 inclusive.
  • If on existing anti-dementia therapy, have been on a stable dose of anti-dementia therapy (cholinesterase inhibitors and/or memantine) for at least 60 days prior to dosing in study.
  • If not taking existing anti-dementia therapy, have not received therapy with cholinesterase inhibitors and/or memantine within 60 days prior to dosing in this study.

Exclusion Criteria:

  • Have major structural brain disease (e.g., ischemic infarcts, subdural hematoma, hemorrhage, hydrocephalus, brain tumors, multiple subcortical ischemic lesions, or a single lesion in a critical region [e.g., thalamus, hippocampus]).
  • Have any major medical illness or unstable medical condition within six months of screening that may interfere with the patient's ability to comply with study procedures and abide by study restrictions.
  • Have not been on a stable dose of anti-dementia therapy for at least 60 days prior to dosing or intend to start anti-dementia therapy during the double blind portion of the study.
  • Reside in a nursing home or assisted care facility with need for 24-hour care and supervision.
Sex/Gender  ICMJE
Sexes Eligible for Study:All
Ages  ICMJE 50 Years and older   (Adult, Older Adult)
Accepts Healthy Volunteers  ICMJE No
Contacts  ICMJE Contact information is only displayed when the study is recruiting subjects
Listed Location Countries  ICMJE Canada,   Puerto Rico,   United States
Removed Location Countries  
 
Administrative Information
NCT Number  ICMJE NCT00838110
Other Study ID Numbers  ICMJE B1451027
Has Data Monitoring Committee Yes
U.S. FDA-regulated Product Not Provided
IPD Sharing Statement  ICMJE Not Provided
Responsible Party Pfizer
Study Sponsor  ICMJE Pfizer
Collaborators  ICMJE Medivation, Inc.
Investigators  ICMJE
Study Director:Pfizer CT.gov Call CenterPfizer
PRS Account Pfizer
Verification Date November 2018

ICMJE     Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP