Efficacy and Safety of Changkang Granules in the Treatment of Irritable Bowel Syndrome With Predominant Diarrhea (Liver qi Affecting the Spleen Pattern)
A Randomized, Double-blind, Placebo-controlled, Multicenter Phase III Clinical Trial, Efficacy and Safety Study of Changkang Granules in the Treatment of Irritable Bowel Syndrome With Predominant Diarrhea ( Liver qi Affecting the Spleen Pattern)
1 other identifier
interventional
520
1 country
30
Brief Summary
This study will evaluate the efficacy and safety of Changkang granules in the treatment of irritable bowel syndrome with predominant Diarrhea ( Liver qi affecting the spleen pattern)
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_3
Started Dec 2024
30 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 12, 2024
CompletedStudy Start
First participant enrolled
December 30, 2024
CompletedFirst Posted
Study publicly available on registry
December 31, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
November 11, 2026
ExpectedStudy Completion
Last participant's last visit for all outcomes
December 30, 2026
December 31, 2024
December 1, 2024
1.9 years
November 12, 2024
December 22, 2024
Conditions
Outcome Measures
Primary Outcomes (1)
abdominal pain response rate
The primary efficacy endpoint is the weekly response rate to abdominal pain after 4 weeks of treatment.
4 week
Secondary Outcomes (11)
The change in the average weekly score of abdominal pain compared to baseline
Baseline, Week 1,Week 2,week3 and week4
Weekly Composite Response Rate
4 week
The change in total IBS-SSS score and each individual item score from baseline
4 week
The change in total IBS-SSS score and each individual item score from baseline
up to 10 week
Weekly stool consistency response rate
4 week
- +6 more secondary outcomes
Study Arms (2)
Changkang granules
EXPERIMENTAL7.5g/bag, 1 bag per dose, 2 doses per day, oral,4 consecutive weeks.
Changkang granules Placebo
PLACEBO COMPARATOR7.5g/bag, 1 bag per dose, 2 doses per day, oral,4 consecutive weeks.
Interventions
7.5g/bag, 1 bag per dose, 2 doses per day, oral,4 consecutive weeks.
7.5g/bag, 1 bag per dose, 2 doses per day, oral,4 consecutive weeks.
Eligibility Criteria
You may qualify if:
- Age 18-65 years (inclusive), regardless of gender;
- Meet the Western medical diagnostic criteria for Irritable Bowel Syndrome with Predominant Diarrhea (Rome IV);
- Meet the Traditional Chinese Medicine diagnostic criteria for Liver qi affecting the spleen pattern
- Have a weekly average NRS score for abdominal pain ≥3.0 during the Run-In Period period, and have at least 2 days per week with stool form of type 6 or 7 (Bristol Stool Scale) during the Run-in period;
- Have an IBS-SSS score \>175 at baseline;
- Have completed a colonoscopy within the past 12 months prior to the Run-in period, and meet one of the following conditions: ① Normal colonoscopy results with no organic changes; ② Abnormal colonoscopy report, such as hemorrhoids, polyps (diameter ≤5mm and number ≤3), etc., which the investigator determines can be included; ③ Previous colonoscopy report indicating polyps \>5mm in diameter or \>3 in number, which after endoscopic treatment 6 months ago, residual polyps are ≤5mm in diameter and ≤3 in number, and the investigator determines can be included;
- Voluntarily sign the informed consent form, and from the time of signing the informed consent form until the end of the last visit of the trial, the participant voluntarily accepts health education and maintains their usual diet and lifestyle, such as not changing dietary structure or exercise patterns.
You may not qualify if:
- Subjects with any of the following conditions are not eligible for enrollment in this study:
- Subjects who have less than 3 spontaneous bowel movements per week during the run-in period; or at least 2 days per week during the run-in period with stool consistency classified as type 1 or 2 on the Bristol Stool Scale;
- Patients with a history of severe mental or psychological disorders, or those scoring ≥63 on the Self-Rating Depression Scale (SDS), or ≥60 on the Self-Rating Anxiety Scale (SAS) during the screening period;
- Patients diagnosed with other diseases that affect the evaluation of abdominal pain and diarrhea, such as diarrhea caused by lactose intolerance, diarrhea after cholecystectomy, abdominal pain due to endometriosis, abdominal pain caused by hepatic and biliary stones or cholecystitis, abdominal pain due to chronic pancreatitis, etc.;
- Patients with a history of systemic diseases affecting gastrointestinal function, such as diabetes mellitus, hyperthyroidism or hypothyroidism, chronic renal insufficiency, autoimmune diseases (such as allergic colitis, allergic purpura, Behcet's syndrome, systemic lupus erythematosus), etc.;
- Patients with unexplained recurrent positive fecal occult blood, unintentional weight loss, anemia, fever, or jaundice prior to screening;
- Abnormal liver function at baseline (ALT or AST \>1.5 times the upper limit of normal) or abnormal renal function at baseline (Cr \>upper limit of normal);
- Patients with a history of severe diseases in the respiratory, cardiovascular, cerebral, hepatic, renal, endocrine, immune, hematopoietic systems, as well as tumors and neurological diseases, deemed unsuitable for participation in this trial by the investigator;
- Patients who have used prokinetic agents, anticholinergic drugs, calcium channel blockers (excluding antihypertensive drugs), 5-HT3 receptor antagonists, antidiarrheals, antidepressants, anxiolytics, probiotics, analgesics, laxatives, etc., within 4 weeks before randomization;
- Patients who took rescue medication (piroxicam) during the run-in period;
- Pregnant or breastfeeding women, or those planning to conceive within 1 month after enrollment until the end of the trial;
- Patients suspected or known to be allergic to the investigational drug, rescue medication, or its components;
- Patients suspected or known to have a history of alcohol or drug abuse;
- Patients who participated in another interventional clinical trial and took investigational drugs within 1 month before screening;
- Patients whom the investigator deems unsuitable for clinical trial participation for any other reason.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (30)
Baoding First Traditional Chinese Medicine Hospital
Baoding, China
No. 5, Beixiange Street, Xuanwu District, Beijing
Beijing, China
The Second Affiliated Hospital of Hunan University of Chinese Medicine
Changsha, China
Changde Second People's Hospital
Chengde, China
Chengdu Shuangliu District First People's Hospital
Chengdu, China
Sichuan University West China Hospital
Chengdu, China
Guangzhou First People's Hospital
Guangzhou, China
Zhejiang Provincial Tongde Hospital
Hangzhou, China
Zhejiang Xinhua Hospital
Hangzhou, China
Kaifeng City Traditional Chinese Medicine Hospital
Kaifeng, China
Gansu Provincial Hospital of Traditional Chinese Medicine
Lanzhou, China
Luoyang Central Hospital
Luoyang, China
Luoyang First People's Hospital
Luoyang, China
Jiangxi University of Traditional Chinese Medicine Affiliated Hospital
Nanchang, China
Nanjing Traditional Chinese Medicine Hospital
Nanjing, China
Guangxi Traditional Chinese Medicine University Affiliated Rui Kang Hospital
Nanning, China
Sanmenxia Central Hospital
Sanmenxia, China
Shanghai University of Traditional Chinese Medicine Affiliated Longhua Hospital
Shanghai, China
Liaoning University of Traditional Chinese Medicine Third Affiliated Hospital
Shenyang, China
Hebei Provincial Hospital of Traditional Chinese Medicine
Shijiazhuang, China
Hebei Provincial People's Hospital
Shijiazhuang, China
Tianjin University of Traditional Chinese Medicine Second Affiliated Hospital
Tianjin, China
Wenzhou Medical University Affiliated Second Hospital
Wenzhou, China
Wenzhou Traditional Chinese Medicine Hospital
Wenzhou, China
Huazhong University of Science and Technology Tongji Medical College Affiliated Union Hospital
Wuhan, China
Hubei Provincial Hospital of Traditional Chinese Medicine
Wuhan, China
Shanxi Provincial Hospital of Traditional Chinese Medicine
Xi'an, China
Shanxi University of Chinese Medicine Affiliated Hospital
Xianyang, China
The Second Affiliated Hospital of Shanxi University of Chinese Medicine
Xianyang, China
Yangquan Coal Industry (Group) Co., Ltd. General Hospital
Yangquan, China
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 12, 2024
First Posted
December 31, 2024
Study Start
December 30, 2024
Primary Completion (Estimated)
November 11, 2026
Study Completion (Estimated)
December 30, 2026
Last Updated
December 31, 2024
Record last verified: 2024-12