Assessment superseded
Metformin's effect on pneumococcal vaccine response in older adults remains unclear from this RCT abstract.
This was a randomised controlled trial examining whether metformin could improve immune response to pneumococcal conjugate vaccine (PCV-13) in older adults. The abstract provides only the research question and does not report the sample size, results, or effect sizes.
RCTMinor significance
What this changes
The finding has not established an approved change to our evidence assessment.
Source date: Aug 20, 2024 · Discovered: Sep 15, 2026 · Assessed: — · Research update
What it does not prove
- Limitations have not yet been verified. Read the primary source.
Extracted from supplied source material; model confidence is not a measured probability of correctness.
Study details
- Design
- Rct
- Sample size
- —
- Duration
- —
- Population
- —
- Primary outcome
- —
- Effect size
- —
- Significance
- Not reported
- Journal
- The University of Texas Health Science Center at San Antonio
- Published
- Aug 20, 2024
Sources
Primary source
Source versions
Assessment history
9/23/2026 · SUPERSEDED: Source updated; assessment withdrawn pending review.
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