A Study to Learn About the Study Medicine Called PF-07258669 in Older Adults Including Those at Risk of Malnutrition
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Phase
Phase 1
Status
Terminated
Study type
Interventional
Design
Randomized · Quadruple · Basic science
Enrollment
7actual
Sites
14
Countries
Canada, Japan, United States
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Why the sponsor stopped it
The study was prematurely discontinued due to a business decision. The decision to terminate the study is not related to a safety concern.
As filed on the registry record, in the sponsor's own words.
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2025-08-05 | actual | When the study began enrolling |
| Primary completion | 2026-01-21 | actual | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2026-01-21 | actual | The whole study's end, after follow-up |
| First posted | 2025-07-25 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2026-02-06 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Healthy Volunteers
Interventions
- Drug: Placebo
- Drug: PF-07258669
Primary outcome
what the primary-completion date above is the date OFNumber of Participants With Treatment Emergent Adverse Events
measured Baseline to Week 20
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