# Impact of Protein and Alkali Supplementation on Skeletal Muscle in Older Adults

> **NCT04048616** · NA · COMPLETED · sponsor: **Tufts University** · enrollment: 141 (actual)

## Conditions studied

- Age-Related Sarcopenia
- Muscle Loss

## Interventions

- **DIETARY_SUPPLEMENT:** whey protein isolate
- **DIETARY_SUPPLEMENT:** potassium bicarbonate (KHCO3)
- **OTHER:** microcrystalline cellulose
- **OTHER:** maltodextrin powder

## Key facts

- **NCT ID:** NCT04048616
- **Lead sponsor:** Tufts University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-07-01
- **Primary completion:** 2023-12-21
- **Final completion:** 2023-12-21
- **Target enrollment:** 141 (ACTUAL)
- **Last updated:** 2025-05-18

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04048616

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04048616, "Impact of Protein and Alkali Supplementation on Skeletal Muscle in Older Adults". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04048616. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*