NCT00959881

Brief Summary

This study examines the cardiac effects (effects on the heart) of administering donepezil and begacestat together to healthy subjects.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
47

participants targeted

Target at P50-P75 for phase_1

Timeline
Completed

Started Aug 2009

Shorter than P25 for phase_1

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

August 1, 2009

Completed
13 days until next milestone

First Submitted

Initial submission to the registry

August 14, 2009

Completed
3 days until next milestone

First Posted

Study publicly available on registry

August 17, 2009

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2009

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2009

Completed
Last Updated

April 4, 2011

Status Verified

April 1, 2011

Enrollment Period

3 months

First QC Date

August 14, 2009

Last Update Submit

April 1, 2011

Conditions

Keywords

Alzheimer Disease

Outcome Measures

Primary Outcomes (1)

  • Pharmacodynamic interaction of multiple doses of begacestat and donepezil coadministered to healthy subjects as assessed by 12-lead electrocardiogram (ECG).

    5 months

Secondary Outcomes (2)

  • Pharmacokinetic parameters including Cmax, AUC, and t 1/2

    5 months

  • Safety and tolerability as assessed by results of 12-lead ECGs, cardiac telemetry, laboratory tests, vital signs, physical examinations and reported adverse events.

    5 months

Study Arms (2)

Donepezil plus placebo

EXPERIMENTAL
Drug: Donepezil plus placebo

Donepezil plus begacestat

EXPERIMENTAL
Drug: DonepezilDrug: Begacestat

Interventions

5- and 10-mg tablets, single dose

Also known as: Aricept
Donepezil plus placebo

5- and 10-mg tablets, single dose

Also known as: Aricept
Donepezil plus begacestat

6 x 50-mg capsules, single dose

Also known as: GSI-953, WAY-210953, PF-05212362
Donepezil plus begacestat

Eligibility Criteria

Age18 Years - 50 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy
  • Men and women of non-childbearing potential
  • Non smoker or smoker of \<10 cigarettes per day and able to refrain from smoking during study
  • years old

You may not qualify if:

  • Any significant cardiovascular, hepatic, renal, respiratory, gastrointestinal, endocrine, immunologic, dermatologic, hematologic, neurologic, or psychiatric disease.
  • Cardiac rhythm abnormalities
  • Family history of cardiac risk factors

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Pfizer Investigational Site

Overland Park, Kansas, 66211, United States

Location

Related Links

MeSH Terms

Conditions

Alzheimer Disease

Interventions

Donepezilbegacestat

Condition Hierarchy (Ancestors)

DementiaBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesTauopathiesNeurodegenerative DiseasesNeurocognitive DisordersMental Disorders

Intervention Hierarchy (Ancestors)

IndansIndenesPolycyclic Aromatic HydrocarbonsHydrocarbons, AromaticHydrocarbons, CyclicHydrocarbonsOrganic ChemicalsPiperidinesHeterocyclic Compounds, 1-RingHeterocyclic CompoundsPolycyclic Compounds

Study Officials

  • Pfizer CT.gov Call Center

    Pfizer

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

August 14, 2009

First Posted

August 17, 2009

Study Start

August 1, 2009

Primary Completion

November 1, 2009

Study Completion

November 1, 2009

Last Updated

April 4, 2011

Record last verified: 2011-04

Locations