Impact of Carbohydrate Restriction After Gastric Bypass on Ketosis and Ketoacidosis

The Impact of Different Carbohydrate Restriction After a Gastric Bypass on the Manifestation of Starvation Ketosis and Ketoacidosis in Patients With Nonalcoholic Steatohepatitis

Not applicable Interventional The Society of Bariatric and Metabolic Surgeons of Kazakhstan · NCT06338969

This study is testing how different amounts of carbohydrates after gastric bypass surgery affect the risk of ketoacidosis and liver health in people with nonalcoholic steatohepatitis (NASH).

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment150 (estimated)
Ages18 Years to 60 Years
SexAll
SponsorThe Society of Bariatric and Metabolic Surgeons of Kazakhstan Academic / other
Locations1 site (Astana, Aqmola)
Trial IDNCT06338969 on ClinicalTrials.gov

What this trial studies

This study investigates how different levels of carbohydrate restriction after gastric bypass surgery affect ketosis and the risk of ketoacidosis in patients with nonalcoholic steatohepatitis (NASH). It is a three-arm randomized controlled trial where participants will be assigned to receive varying amounts of carbohydrates post-surgery. The primary goal is to compare the incidence of ketoacidosis and liver failure among the groups, while secondary outcomes include changes in body mass index over one year. The study aims to provide insights into optimal dietary management for weight loss and metabolic health following bariatric surgery.

Who should consider this trial

Good fit: Ideal candidates are obese patients with a BMI between 30-50 kg/m2 who also have nonalcoholic steatohepatitis (NASH).

Not a fit: Patients with active physical sports, diabetes, or cirrhosis may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could help optimize dietary guidelines for post-bariatric surgery patients, improving weight loss outcomes and reducing the risk of ketoacidosis.

How similar studies have performed: While there is ongoing research into carbohydrate restriction and its effects post-bariatric surgery, this specific approach focusing on NASH is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* obesity patients BMI 30-50 kg/m2.
* patients with nonalcoholic steatohepatitis (NASH).

Exclusion Criteria:

* patients with active physical sports
* diabetes
* cirrhosis

Where this trial is running

Astana, Aqmola

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Obesity, MorbidNASHKetosisKeto AcidosisCarbohydrate Metabolism DisorderCarbohydrate restrictionKetosis after bariatric surgery
Last reviewed 2026-06-13 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.