HMB Plus Vitamin D to Preserve Muscle in Older Adults Starting Semaglutide
Public ClinicalTrials.gov record NCT07760948. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Preserving the Metabolic Engine: Effects of HMB Supplementation on Skeletal Muscle Structure and Function During Semaglutide-Associated Weight Loss in Older Adults
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This randomized, double-blind, placebo-controlled trial will evaluate whether daily calcium beta-hydroxy-beta-methylbutyrate (calcium-HMB) plus vitamin D3 preserves muscle mass, physical function, and resting metabolism in adults aged 65 to 85 years with type 2 diabetes who are newly starting semaglutide as part of usual clinical care. Participants will receive calcium-HMB plus vitamin D3 or matching placebo for approximately 6 months. The primary outcome is change in appendicular lean mass measured by dual-energy X-ray absorptiometry from baseline to month 6. Secondary assessments include body composition, muscle strength, physical performance, gait, physical activity, resting metabolic rate, metabolic measures, and whole-body quantitative computed tomography. An optional mechanistic substudy of up to 36 participants will include D3-creatine dilution, nonradioactive stable isotope infusions, repeated blood sampling, a standardized meal, breath sampling, and vastus lateralis muscle biopsies at baseline and month 6.
Study identification
- NCT ID
- NCT07760948
- Recruitment status
- Not yet recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 90 participants
Conditions and interventions
Interventions
- Calcium-HMB Plus Vitamin D3 Dietary Supplement
- Matching placebo Other
Dietary Supplement · Other
Eligibility (public fields only)
- Age range
- 65 Years to 85 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
- Dec 1, 2026 (Estimated)
- Primary completion
- Nov 30, 2029 (Estimated)
- Completion
- Nov 2030 (Estimated)
- Last update posted
- Aug 28, 2026
2026 – 2030
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Vanderbilt University Medical Center | Nashville | Tennessee | 37232 | — |
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 NCT07760948, 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 28, 2026 · Synced Oct 16, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT07760948 live on ClinicalTrials.gov.