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The Optimal Measurement Time for the New Gallbladder Function Assessment Method

NCT07321431 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 120

Last updated 2026-01-08

No results posted yet for this study

Summary

This is a multicenter, prospective, randomized, double-blind, crossover study involving healthy individuals, aiming to evaluate the stability of oral protein bars + olive oil as a new method for determining gallbladder contraction function and its optimal diagnostic time window.

Conditions

  • Gallbladder; Functional Disturbance

Interventions

DIETARY_SUPPLEMENT

oral administration of 2 fried eggs

First, the intervention of oral administration of 2 fried eggs is carried out. The size of the gallbladder is evaluated by ultrasound examination. The washout period is 1 week. After that, the first intervention process of group B is repeated.

DIETARY_SUPPLEMENT

oral protein bars + 50ml olive oil

First, an intervention with oral protein bars + 50ml olive oil is conducted. The size of the gallbladder is evaluated through ultrasound examination. The washout period is 1 week. After that, the first intervention process of Group A is repeated.

Sponsors & Collaborators

  • Hepatopancreatobiliary Surgery Institute of Gansu Province

    lead OTHER

Principal Investigators

  • Wenbo Meng, M.D. Ph. D. · Hepatopancreatobiliary Surgery Institute of Gansu Province

Study Design

Allocation
RANDOMIZED
Purpose
DIAGNOSTIC
Masking
DOUBLE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Max Age
70 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2026-01-07
Primary Completion
2026-12-20
Completion
2026-12-20

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07321431 on ClinicalTrials.gov