Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Completed Phase 2 Interventional Results available

Pregnenolone for Cognitive and Negative Symptoms in Schizophrenia

ClinicalTrials.gov ID: NCT00728728

Public ClinicalTrials.gov record NCT00728728. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jun 25, 2026, 11:50 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Study identification

NCT ID
NCT00728728
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
VA Office of Research and Development
Federal
Enrollment
88 participants

Conditions and interventions

Interventions

  • Dietary Supplement: Pregnenolone Drug
  • Placebo Dietary Supplement

Drug · Dietary Supplement

Eligibility (public fields only)

Age range
21 Years to 65 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 30, 2009
Primary completion
Feb 28, 2015
Completion
Nov 30, 2015
Last update posted
Feb 9, 2017

2009 – 2015

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Durham VA Medical Center, Durham, NC Durham North Carolina 27705

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00728728, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Feb 9, 2017 · Synced Jun 25, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00728728 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →