NCT06963437Completed
Interventions for Weight Regain After Bariatric Surgery
Comparison of Revisional Surgery, Ketogenic Diet, and Intermittent Fasting in Bariatric Surgery Patients With Weight Regain: A Prospective Randomized Controlled Study
Source: ClinicalTrials.gov · Last updated 1 Aug 2025
Brief summary (registry, in English)
Study Objective: The aim of this study is to evaluate the effects of revisional bariatric surgery (RBS), very low-calorie ketogenic diet (VLCKD), and intermittent fasting (IF) on nutritional habits and clinical outcomes (anthropometric and biochemical measurements) in patients with insufficient weight loss (IWL) or weight regain (WR) after bariatric surgery, and to compare these findings with those of a control group.
- Status (registry)
- Completed
- Study type
- Interventional
- Enrollment
- 43 (actual)
- First submitted
- 18 Apr 2025
- Start date
- 12 May 2025
- Primary completion date
- 10 Jul 2025
- Lead sponsor
- Medipol University
- Diseases
- Obesity
- NCT number
- NCT06963437
What you commit to
- Study type: Interventional
- Participants enrolled: 43
- From 12 May 2025 to the primary completion date, 10 Jul 2025
- 2 sites in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Patients currently receiving corticosteroid therapy.
Other illness
- Patients with acute illnesses, infections, or comorbidities that may affect treatment efficacy or safety (e.g., cancer, type 1 diabetes, renal or hepatic failure, recent stroke or myocardial infarction, nephrolithiasis, substance or alcohol abuse, eating disorders, severe depression or other psychiatric disorders, inflammatory bowel disease, neoplasms, arrhythmic heart diseases, heart failure, respiratory failure).
Other
- Pregnant or lactating women.
- Professional athletes.
Who the study is looking for
- Patients aged between 18 and 45 years who have undergone bariatric surgery (BS).
- Experiencing inadequate weight loss (IWL) within 18 months after surgery or weight regain (WR) following successful weight loss.
- Definitions used in the study:
- IWL is defined as \<50% excess weight loss (EWL) 18 months postoperatively. WR is defined as \>25% regain of the lost weight (from the lowest achieved weight).
- \-
Age in the registry: 18 years to 45 years · Sex: All · Does not accept healthy volunteers
Sites (2)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Özel Nev FSM Hastanesi Coordinator of this site? Confirm its status | Bursa | Turkey (Türkiye) | Unknown status |
| Özel Nev FSM Hastanesi Coordinator of this site? Confirm its status | Nilufer | Turkey (Türkiye) | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.