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Clinical trialNCT00202124CompletedPhase 4Interventional

Double Blind Study of Trp01 in Patients With Alzheimer's Disease

SponsorQueen's UniversityEnrollment12Alzheimer's Disease
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The purpose of this study is to determine whether tryptophan is effective in the treatment of mild to moderate Alzheimer's Disease (AD).
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

Canada
  • Queen'S University

    Kingston, Ontario, Canada

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Tryptophan
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
30 Apr 2001
Primary completion
—
Completion
31 Mar 2002
Last update posted
20 Sept 2005
Registered enrollment
12
Registry id
NCT00202124
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.