NCT00006187

Brief Summary

This is a 15-month study with two phases. During the first 12-month phase of this study, patients will be randomly assigned to receive either active study drug or placebo (approximately half of all patients will be on active study drug, the other half on placebo). The second phase is a 3-month randomized withdrawal period. For this phase approximately 10% of the patients will remain on the active drug.

Trial Health

35
At Risk

Trial Health Score

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

Geographic Reach
1 country

34 active sites

Status
terminated

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

First Submitted

Initial submission to the registry

August 25, 2000

Completed
3 days until next milestone

First Posted

Study publicly available on registry

August 28, 2000

Completed
4.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2005

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2005

Completed
Last Updated

December 11, 2009

Status Verified

October 1, 2003

First QC Date

August 25, 2000

Last Update Submit

December 10, 2009

Conditions

Keywords

Investigational Drug

Interventions

Eligibility Criteria

Age50 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patient is male or female and at least 50 years of age or older
  • Female patients must be postmenopausal or surgically sterilized
  • Clinical diagnosis of AD
  • Patient must be in good health except for AD diagnosis
  • Patient must have informant/caregiver who can monitor and assist patient during the study

You may not qualify if:

  • Patient is living in a nursing home or skilled nursing facility
  • Women will be ineligible if not postmenopausal or surgically sterilized
  • Site physician or Sponsor may exclude patients with serious medical problems such as cancer, cardiovascular disease, major neurological or psychiatric illness, thyroid disease, or major head trauma

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (34)

Pivotal Research Centers

Peoria, Arizona, 85381, United States

Location

California Clinical Trials

Beverly Hills, California, 90211, United States

Location

Pharmacology Research Institute

Los Alamitos, California, 90720, United States

Location

Pharmacology Research Institute

Newport Beach, California, 92660, United States

Location

Daniel Grosz MD

Northridge, California, 91324, United States

Location

Pharmacology Research Institute

Riverside, California, 92506, United States

Location

Pacific Research Network

San Diego, California, 92103, United States

Location

San Francisco Headache Clinic

San Francisco, California, 94109, United States

Location

Yale University, Alzheimer's Disease ResearchUnit

New Haven, Connecticut, 06520-8037, United States

Location

New England Center for Headache

Stamford, Connecticut, 06902, United States

Location

Baumel-Eisner Neuromedical Institute

Boca Raton, Florida, 33486, United States

Location

Baumel-Eisner Neuromedical Institute

Fort Lauderdale, Florida, 33321, United States

Location

ICSL Clinical Studies

Fort Myers, Florida, 33907, United States

Location

ICSL Clinical Studies

Melbourne, Florida, 32935, United States

Location

ICSL Clinical Studies

Sarasota, Florida, 34232, United States

Location

ICSL Clinical Studies

St. Petersburg, Florida, 33702, United States

Location

Meridien Research

St. Petersburg, Florida, 33710, United States

Location

Premiere Research Institute

West Palm Beach, Florida, 33407, United States

Location

Palm Beach Neurological Center

West Palm Beach, Florida, 33410, United States

Location

Chicago Center for Clinical Research

Chicago, Illinois, 60610, United States

Location

ICSL Clinical Studies

South Yarmouth, Massachusetts, 02664, United States

Location

Las Vegas Center for Clinical Research

Las Vegas, Nevada, 89146, United States

Location

Nathan Klein Institute

Orangeburg, New York, 10962, United States

Location

University of Rochester

Rochester, New York, 14620, United States

Location

Piedmont Medical Research Associates

Winston-Salem, North Carolina, 27103, United States

Location

Pahl Brain Associates, P.C.

Oklahoma City, Oklahoma, 73118, United States

Location

Clinical Pharmaceutical Trials

Tulsa, Oklahoma, 74104-5428, United States

Location

Pacific NW Clinical Research Center

Portland, Oregon, 97223, United States

Location

Institute for Advanced Clinical Research

Elkins Park, Pennsylvania, 19027, United States

Location

ICSL Clinical Studies

Philadelphia, Pennsylvania, 19106, United States

Location

ICSL Clinical Studies

East Providence, Rhode Island, 02915, United States

Location

Pharmacology Research Clinic

Salt Lake City, Utah, 84107, United States

Location

Seattle Clinical Research Center

Seattle, Washington, 98104, United States

Location

Froedtert Lutheran Memorial Hospital

Milwaukee, Wisconsin, 53226, United States

Location

MeSH Terms

Conditions

Alzheimer Disease

Interventions

Drugs, Investigational

Condition Hierarchy (Ancestors)

DementiaBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesTauopathiesNeurodegenerative DiseasesNeurocognitive DisordersMental Disorders

Intervention Hierarchy (Ancestors)

Pharmaceutical Preparations

Study Officials

  • Klaus Beck, MD, PhD

    Merck Sharp & Dohme LLC

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

August 25, 2000

First Posted

August 28, 2000

Primary Completion

June 1, 2005

Study Completion

June 1, 2005

Last Updated

December 11, 2009

Record last verified: 2003-10

Locations