Clinical trial Recruiting at 1 site Observational Ages 18 to 65

Sarcopenia After Bariatric Surgery: Changes in Muscle and Function

Official title: Longitudinal Evaluation Of Sarkopenia-Related Parameters After Bariatric Surgery

Run by Kanuni Sultan Suleyman Training and Research Hospital · NCT07717333 · Data updated 2026-11-12

This study tests how bariatric surgery affects muscle mass, strength, and physical performance over time in adults undergoing the procedure.

Quick facts

Study typeObservational
Ages18 Years to 65 Years
SexAll
Enrollment80 (estimated)
SponsorKanuni Sultan Suleyman Training and Research Hospital
Academic / other
Locations1 site (Istanbul, KÜÇÜKÇEKMECE)
StatusRecruiting
StartedApril 10, 2026
Main results expectedMay 30, 2027
Study endsJune 30, 2027
Registry record updatedJuly 21, 2026
Trial IDNCT07717333 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults 18 years and older who are scheduled for bariatric surgery and can participate in physical performance tests.

Probably not a fit

Patients with conditions severely limiting physical activity or with certain exclusions may not experience measurable sarcopenia-related benefits from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This prospective observational study follows adults undergoing bariatric surgery to track changes in sarcopenia-related measures. Researchers will measure muscle thickness with ultrasound, and assess strength and performance using handgrip strength, a 5-meter walk test, and the five-times sit-to-stand test, before surgery and at follow-up visits. The goal is to understand how rapid weight loss and obesity treatment impact muscle function and to help identify early sarcopenia risk in this patient population. Results may inform monitoring and potential interventions to preserve muscle health after bariatric procedures.

Why it matters

Potential benefit: If successful, the study could help clinicians identify early signs of muscle loss after bariatric surgery and tailor strategies to protect muscle health.

How similar studies have gone: Previous observational work has explored muscle outcomes after weight loss, but this study adds longitudinal muscle-function data in the bariatric context.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adults aged 18 years and older
* Patients scheduled to undergo bariatric surgery
* Ability to participate in physical performance tests
* Ability to provide written informed consent

Exclusion Criteria:

* Presence of neurological or musculoskeletal disorders affecting muscle strength or physical performance
* Severe cardiopulmonary disease limiting physical activity
* Active malignancy
* Pregnancy
* Inability to complete study assessments
* Refusal to participate in the study

Where it's running

  • Kanuni Sultan Suleyman Education and Research Hospital
    Istanbul, Küçükçekmece, Turkey (Türkiye)
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.