ClinicalTrials.gov record
Completed Phase 1 Interventional Accepts healthy volunteers

Impact of Metformin on Immunity

ClinicalTrials.gov ID: NCT03713801

Public ClinicalTrials.gov record NCT03713801. 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 May 20, 2026, 8:47 AM EDT

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

Official title

Metformin and Vaccine Response in Older Adults

Study identification

NCT ID
NCT03713801
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Enrollment
18 participants

Conditions and interventions

Interventions

  • Metformin Drug
  • Placebo Drug

Drug

Eligibility (public fields only)

Age range
63 Years to 90 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

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

Study timeline

Start date
Jan 13, 2019
Primary completion
Jul 15, 2024
Completion
Jul 15, 2024
Last update posted
Aug 19, 2024

2019 – 2024

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
UT Health San Antonio San Antonio Texas 78229

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 NCT03713801, 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 Aug 19, 2024 · Synced May 20, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03713801 live on ClinicalTrials.gov.

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