MedPath

Effects of Prebiotic or Probiotic Supplements on Symptoms of Functional Constipation

Not Applicable
Completed
Conditions
Constipation
Registration Number
NCT04667884
Lead Sponsor
Health Science Center of Xi'an Jiaotong University
Brief Summary

This study intends to evaluate the effects of three prebiotic solid beverages (mainly dietary fiber and prebiotics) and one probiotic solid beverage on the laxative effect of patients with functional constipation through randomized controlled trials. The influence of tract flora is expected to provide a basis for related therapies for patients with functional constipation.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
250
Inclusion Criteria
  1. Adults: 18 to 70 years old (not less than 50% of the final population over 45 years old, and not less than 30% of men);
  2. Patients with functional constipation (refer to Rome IV diagnostic criteria for functional constipation); * Symptoms appeared for at least 6 months before diagnosis, and met the above diagnostic criteria in the past 3 months
Exclusion Criteria
  1. Pregnant and lactating women;
  2. Unable to take the test sample and complete the inspection items as required due to inability to take food by mouth, weakness, allergies or other reasons (including the inability to complete all items due to recent travel plans);
  3. Unclear main complaint and obvious abnormal mental state;
  4. The liver and kidney function indexes are obviously abnormal (combined with the results of physical examination within the past 1 year);
  5. Acute gastrointestinal diseases occurred in the past month, and constipation caused by surgical operations in the past month;
  6. Take antibiotics, laxatives or topical agents, anticholinergics, antidiarrheals frequently in the past 1 month, and the frequency is more than 1 time/week
  7. Have been diagnosed with the following diseases: cancer (especially cancer of the digestive tract), severe enteritis, intestinal obstruction, inflammatory bowel disease, hypothyroidism, mental illness;
  8. Have been diagnosed with the following diseases: severe systemic diseases such as stroke, heart disease, liver cirrhosis, renal failure, hematopoietic system, or qualitative intestinal diseases caused by colonoscopy or imaging display;
  9. In the past 3 months, there are often abdominal pain, abdominal pain accompanied by changes in bowel characteristics or frequency, blood in the stool, diarrhea or involuntary weight loss;
  10. Clinical manifestations or diseases that other researchers believe are not suitable for participating in the project.

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Primary Outcome Measures
NameTimeMethod
Number of bowel movements per weekweek 0 to 4

bowel movements will be recorded per week

Secondary Outcome Measures
NameTimeMethod
glucoseday 0, 14, 28

Fasting plasma

diversity and abundance of intestinal floraday 0, 14, 28

16s rRNA

HDL-Cday 0, 14, 28

Fasting plasma

LDL-Cday 0, 14, 28

Fasting plasma

Classification of bowel statusday 0, 14, 28

Classification according to the difficulty of defecation 9/5000 According to the difficulty of defecation

Bristol classification of stool characteristicsday 0, 14, 28

Bristol classification

Tchday 0, 14, 28

Fasting plasma

TGday 0, 14, 28

Fasting plasma

Trial Locations

Locations (1)

Xi'an Jiaotong University

🇨🇳

Xi'an, Shaanxi, China

Xi'an Jiaotong University
🇨🇳Xi'an, Shaanxi, China

MedPath

Empowering clinical research with data-driven insights and AI-powered tools.

© 2025 MedPath, Inc. All rights reserved.