Impact of Protein and Alkali Supplementation on Skeletal Muscle in Older Adults
Public ClinicalTrials.gov record NCT04048616. 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.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The central hypothesis is that higher protein intake and a neutralizing alkaline salt supplement will improve muscle performance and mass, compared to their respective placebos, in older men and postmenopausal women.
Study identification
- NCT ID
- NCT04048616
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 141 participants
Conditions and interventions
Conditions
Interventions
- whey protein isolate Dietary Supplement
- potassium bicarbonate (KHCO3) Dietary Supplement
- microcrystalline cellulose Other
- maltodextrin powder Other
Dietary Supplement · Other
Eligibility (public fields only)
- Age range
- 65 Years and older
- 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
- Jun 30, 2021
- Primary completion
- Dec 20, 2023
- Completion
- Dec 20, 2023
- Last update posted
- May 17, 2025
2021 – 2023
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University | Boston | Massachusetts | 02111 | — |
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 NCT04048616, 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 May 17, 2025 · Synced Sep 7, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04048616 live on ClinicalTrials.gov.