Clinical trial Recruiting at 1 site Interventional Ages 18 to 70

Dietary therapy for gallstone expulsion

Official title: A New Strategy for Gallstone Expulsion Through Dietary Therapy: A Prospective, Single-Center, Double-Blind, Randomized Controlled Trial

Run by Hepatopancreatobiliary Surgery Institute of Gansu Province · NCT06699030 · Data updated 2026-11-12

This study is testing if a special diet can help people get rid of small gallstones without surgery.

Quick facts

Study typeInterventional
Ages18 Years to 70 Years
SexAll
Enrollment100 (estimated)
SponsorHepatopancreatobiliary Surgery Institute of Gansu Province
Academic / other
Locations1 site (Lanzhou, Gansu)
StatusRecruiting
StartedDecember 24, 2024
Main results expectedDecember 1, 2026
Study endsDecember 1, 2026
Registry record updatedDecember 31, 2025
Trial IDNCT06699030 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are individuals with gallbladder sludge-like stones measuring less than 2 mm in diameter.

Probably not a fit

Patients with a history of gallstone removal surgery, significant gastrointestinal disorders, or other serious health conditions may not benefit 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 clinical trial investigates the effectiveness of dietary therapy in expelling gallstones, specifically targeting gallbladder sludge-like stones with a diameter of less than 2 mm. Conducted as a double-blind, prospective, single-center controlled trial at a tertiary hospital, the study aims to determine if functional fatty acids can facilitate the expulsion of these stones compared to a placebo. The trial addresses a significant gap in current treatment options, as there is limited research on non-surgical methods for gallstone management.

Why it matters

Potential benefit: If successful, this study could provide a non-invasive dietary approach to managing gallstones, potentially reducing the need for surgical interventions.

How similar studies have gone: While dietary approaches for gallstone management are not extensively studied, this trial explores a novel method that has not been previously validated.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Gallbladder sludge-like stones with a maximum stone diameter of less than 2 mm

Exclusion Criteria:

* History of ERCP (Endoscopic Retrograde Cholangiopancreatography)
* Previous gallstone removal surgery with gallbladder preservation
* History of acute or chronic pancreatitis, cholangitis
* Mirizzi Syndrome
* History of gastrointestinal surgery
* Gastrointestinal obstruction
* Dysfunction of the sphincter of Oddi
* Gallbladder neck polyps
* Abnormal gallbladder structure
* Gallbladder mass
* Biliary infection or stones
* Congenital biliary abnormalities
* Biliary injury or surgery
* Biliary tumors
* Gastrointestinal bleeding, liver cirrhosis, or other malignant diseases
* Significant arrhythmia, bradycardia, or atrioventricular block
* Severe hypertension, liver or kidney insufficiency
* Immune, endocrine, hematological, or mental disorders
* Severe cerebrovascular disease
* Allergy to relevant foods
* Pregnant or breastfeeding women
* Unwillingness or inability to consent to participation

Where it's running

  • Long Deng
    Lanzhou, Gansu, China
    Recruiting

Study contacts

  • Principal investigator: Wenbo Meng, M.D. — Hepatopancreatobiliary Surgery Institute of Gansu Province
  • Study coordinator: Wenbo Meng, M.D.
  • Email: mengwb@lzu.edu.cn
  • Phone: 13919177177

Similar studies

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

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  • Controlling blood uric acid after pancreatic cancer surgery to improve survival

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    Recruiting Hepatopancreatobiliary Surgery Institute of Gansu Province · Lanzhou, Gansu · NCT07091526

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.