Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT00718731 · ClinicalTrials.gov registry record · Phase 1

Study GSI-136 in Healthy Young and Healthy Elderly Subjects

A Phase 1 study, sponsored by Wyeth is now a wholly owned subsidiary of Pfizer.

Completed
Registry status
Phase 1
Development phase
80
Enrollment target

NCT00718731: Completed Phase 1 study, sponsored by Wyeth is now a wholly owned subsidiary of Pfizer.

NCT00718731 is a Phase 1 study that has completed, run by Wyeth is now a wholly owned subsidiary of Pfizer. The registered enrollment target is 80 participants, above the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (33% higher). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT00718731, a Phase 1 study, has completed, sponsored by Wyeth is now a wholly owned subsidiary of Pfizer.

COMPLETED
Registry status
Phase 1
Development phase
80 participants
Enrollment target

Study Summary

This is a first-in-humans study of GSI-136, a drug being developed for the treatment of Alzheimer Disease. The main purpose of this study is to determine whether GSI-136 is safe and tolerable in healthy young and healthy elderly subjects. The amount of drug in the body and the effects of the drug on the body will also be evaluated at certain timepoints.

Interventions

  • OTHER Placebo
  • DRUG GSI-136

Trial Details

FieldValue
Enrollment Target 80 participants
Start Date 2008-03
Est. Completion 2008-08
Phase Phase 1

What the finished NCT00718731 record still lists

NCT00718731 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 80 participants, a relatively small participant target, above the 60-participant average among 29,502 other Phase 1 trials with a reported enrollment target (33% higher).

The record links to 0 conditions, and to 2 interventions - of which Placebo is the first listed.

NCT00718731 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00718731 about?

NCT00718731 is a clinical study titled "Study GSI-136 in Healthy Young and Healthy Elderly Subjects". This is a first-in-humans study of GSI-136, a drug being developed for the treatment of Alzheimer Disease. The main purpose of this study is to determine whether GSI-136 is safe and tolerable in healthy young and healthy elderly subjects. The amount of drug in the body and the effects of the drug on...

What is the current status of trial NCT00718731?

This trial is currently completed. It is a Phase 1 study. The enrollment target is 80 participants. The study started on 2008-03. Estimated completion is 2008-08.

What interventions are being tested in trial NCT00718731?

The interventions under investigation include: Placebo (OTHER), GSI-136 (DRUG).

Who is sponsoring clinical trial NCT00718731?

This trial is sponsored by Wyeth is now a wholly owned subsidiary of Pfizer, which has 167 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00718731's enrollment target sits among peer trials

80 672nd of 2000 higher than 1,305 of 2,000 other Phase 1 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 1 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT01243931 · 80 participants · NA

    Optical Coherence Tomography Guided Transepithelial Phototherapeutic Keratectomy

  • NCT01659203 · 80 participants · Phase 1

    Proton or Photon RT for Retroperitoneal Sarcomas

  • NCT01803451 · 80 participants · Early Phase 1

    Glucagon-like Peptide 1, Glucose Metabolism and Gastric Bypass

  • NCT01964859 · 80 participants · Phase 2

    Feasibility Study for Fibroblast Autologous Skin Grafts

Similar registry start date

  • NCT05988463 · started 2027-01-01 · Phase 1

    Dose-Escalation Study of Artesunate Patients With IPF

  • NCT07219706 · started 2026-12-10 · NA

    Dietary Fiber and Time Restricted Eating

  • NCT02831335 · started 2026-12-01

    Technical Development of Multi-Parametric Renocerebral MRI

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

Source: ClinicalTrials.gov NCT00718731, the US trial registry maintained by the National Library of Medicine. NCT00718731 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.