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RECRUITING
NCT07303543
NA

Preventing Muscle Loss After Bariatric Surgery: Protein-Collagen Supplementation and Resistance Exercise

Sponsor: Medipol University

View on ClinicalTrials.gov

Summary

The aim of this clinical trial is to investigate the effectiveness of collagen, considered a new approach to prevent muscle mass loss after bariatric surgery, and to demonstrate the relationship between this effect and exercise. The key questions it aims to answer are: Does whey protein supplementation with collagen combined with resistance exercise prevent muscle mass loss after bariatric surgery? Do whey protein supplementation with collagen combined with resistance exercise affect fat mass after bariatric surgery? Researchers will compare collagen with whey protein. The study groups and interventions to be implemented are summarized below: Group 1: Control Group (CG; n: 10) Whey protein supplementation will be administered Vitamin and mineral supplementation will be administered No resistance exercise will be performed The participants will eat according to bariatric surgery nutrition guidelines and perform physical activities. Group 2: Whey Protein + Collagen + Exercise Group (WPCEG; n: 10) Whey protein supplements with collagen will be given. Vitamin and mineral supplements will be given. Resistance exercise will be performed. They will eat according to bariatric surgery nutrition guidelines and perform physical activities. They will begin a resistance exercise program 4 weeks after surgery. Group 3: Whey Protein + Collagen + No Exercise Group (WPCG; n: 10) Whey protein supplements with collagen will be given. Vitamin and mineral supplements will be given. No resistance exercise will be performed. They will eat according to bariatric surgery nutrition guidelines and perform physical activities. Group 4: Whey Protein + Exercise Group (WPEG; n: 10) Whey protein supplements will be given. Vitamin and mineral supplements will be given. Resistance exercise will be performed. They will eat according to bariatric surgery nutrition guidelines and perform physical activities. A resistance exercise program will begin at 4 weeks post-operatively.

Official title: Preventing Muscle Loss in the Early Postoperative Period of Bariatric Surgery With a Combination of Whey Protein, Hydrolyzed Collagen, and Resistance Exercise: A Prospective, Randomized, Controlled Clinical Study

Key Details

Gender

All

Age Range

20 Years - 50 Years

Study Type

INTERVENTIONAL

Enrollment

35

Start Date

2022-08-02

Completion Date

2026-01-30

Last Updated

2025-12-26

Healthy Volunteers

No

Interventions

DIETARY_SUPPLEMENT

Whey protein supplement

Oral whey protein supplement provided daily according to bariatric surgery nutrition protocol.

DIETARY_SUPPLEMENT

Hydrolyzed Collagen Supplement

Oral hydrolyzed collagen supplement provided daily in combination with whey protein.

DIETARY_SUPPLEMENT

Vitamin and Mineral Supplementation

Routine vitamin and mineral supplementation according to bariatric surgery follow-up protocol.

BEHAVIORAL

Resistance Exercise Program

Structured resistance exercise program initiated at postoperative week 4, supervised, 3 times per week.

Locations (1)

Istanbul Medipol University

Istanbul, Fatih, Turkey (Türkiye)