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To evaluate the efficacy and safety of bifidobacterium tetrad for functional constipation in children (6 to 17 years) Randomized, double-blind, placebo-controlled, multicenter, phase-clinical trial

To evaluate the efficacy and safety of bifidobacterium tetrad for functional constipation in children (6 to 17 years) Randomized, double-blind, placebo-controlled, multicenter, phase-clinical trial

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500100662
Enrollment
Unknown
Registered
2025-04-14
Start date
2025-04-14
Completion date
Unknown
Last updated
2025-04-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Functional constipation in children

Interventions

Phase I, 12 to 17 years,low dose test group:Test drug 1.5g (3 bags) / time, given orally 2 times / day for 8 weeks
Stage I, the low-dose placebo group for subjects aged 12 to 17 years:Simulation agent 1.5g (3 bags) / time, orally twice / day, continuously for 8 weeks
Stage I, high-dose test group for subjects aged 12 to 17 years:Test drug 3g (6 bags), orally twice a day for 8 weeks
Stage I, high-dose placebo group for subjects aged 12 to 17 years:Simulation agent 3g (6 bags), orally twice a day for 8 weeks
Phase, age 6 to 11 ,,low dose test group:Test drug 1.5g (3 bags) / time, given orally 2 times / day for 8 weeks
Phase, the low-dose placebo group for subjects aged 6 to 11 years:Simulation agent 1.5g (3 bags) / time, orally twice / day, continuously for 8 weeks
Phase, age 6 to 11 ,high dose test group:Test drug 3g (6 bags), orally twice a day for 8 weeks
Phase, the high-dose placebo group for subjects aged 6 to 11 years:Simulation agent 3g (6 bags), orally twice a day for 8 weeks

Sponsors

Peking University Third Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
6 Years to 18 Years

Inclusion criteria

Inclusion criteria: 1. Age 6-17 years old (6 years old =18kg; 3. Clinically diagnosed as functional constipation, which meets the diagnostic criteria of Rome; 4. At the screening visit and at the end of the introduction period, the average SBM was 2 times / week; 5. Subjects under 8 years of age shall have their guardian consent and sign the informed consent form; subjects aged 8 to 17 years and their guardians shall agree and sign the informed consent form voluntarily.

Exclusion criteria

Exclusion criteria: 1. stool impaction occurs within 3 days before randomization, and is not removed after active treatment; 2. The potential organic causes of constipation in the subjects, including but not limited to: celiac disease, pediatric intestinal obstruction, spina bifida, cystic fibrosis, and pseudoobstruction; 3. constipation caused by significant developmental retardation associated with muscle, skeletal or neurological diseases and thus affecting gastrointestinal function; 4. Constipation secondary to endocrine, metabolic, nerve-spinal cord injury, multiple sclerosis or drug factors (such as urolithiasis, irritable bowel syndrome, ureteral junction stenosis, hypothyroidism, etc.); 5. Subjects with autoimmune diseases (such as systemic sclerosis) or intestinal defects (e. g., anorectal malformation, congenital megacolon, colonic weakness, macrorectum, etc.); 6. Severe malnutrition, rickets, or other serious systemic diseases such as cardiovascular disease, brain (such as cerebral palsy), liver, kidney and hematopoietic system (such as sickle cell disease); 7. People with a history of severe mental illness, such as bipolar disorder, schizophrenia, major depression, or autism spectrum disorder; 8. A partial gastrointestinal resection performed at any time prior to screening; or surgery on abdominal, pelvic or retroperitoneal structures within 6 months before screening; or appendectomy or cholecystectomy performed within 60 days prior to screening; or other major surgery within 30 days prior to screening; or sacral nerve stimulation (SNS), or sequential controlled enema (ACE) subjects by cecostomy or appendicestomy; 9. Repeated or unknown fever in the past one month; 10. Use of drugs (including Chinese herbal medicine, chemical drugs, biological drugs), and non-drug therapy such as acupuncture and massage; or drugs known to affect gastrointestinal motility such as opioids (such as codeine), calcium, iron, clonidine, anticholindrugs (e. g. atropine), non-potassium diuretics within 1 week before screening; 11. Allergy to raw and excipients of bifidobacteria or a previous history of allergy to microecology, or allergy to a variety of foods / drugs (subjects with severe allergies), or a previous history of allergy to cloplug; 12. having difficulty swallowing and unable to take drugs on time; 13. Participated in other interventional clinical studies within 4 weeks before screening; 14. Other circumstances considered by the investigator that are not suitable to participate in the study.

Design outcomes

Primary

MeasureTime frame
Change from baseline in mean weekly number of voluntary bowel movements (SBM) during treatment from weeks 4 to 8.;

Secondary

MeasureTime frame
Change from baseline in mean weekly SBM sessions during weeks 1 to 8;Change from baseline in mean weekly SBM times during treatment in weeks 2-8;Change from baseline in mean weekly SBM times during treatment in weeks 3-8;Change from baseline in the average number of complete voluntary defecation (CSBM) per week from weeks 1 to 8;; Change from baseline in the average number of complete voluntary defecation (CSBM) per week from weeks 2 to 8; Change from baseline in the average number of complete voluntary defecation (CSBM) per week from weeks 3to 8;;Change from baseline in the average number of complete voluntary defecation (CSBM) per week from weeks 4to 8;; Change of weekly SBM times from baseline;;Change from baseline in weekly CSBM times;Time from treatment initiation to first SBM;Time from treatment initiation to first CSBM;

Countries

China

Contacts

Public ContactLi Zailing

Peking University Third Hospital

topbj163@sina.com+86 138 1009 5709

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026