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A study to evaluate the effect of fecal transplant and dietary changes on disease activity in patients with crohn disease on advanced therapies

Efficacy of microbiome manipulation strategies (fecal microbial transplant or Crohns Disease exclusion diet or both) with Advanced therapies (BiOlOgics and Small molecules) to break the Therapeutic ceiling in active Crohns Disease: A Multicenter Double Blind Factorial Randomized Controlled Trial(BOOST-CD) - BOOST-CD

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2025/02/079947
Enrollment
168
Registered
2025-02-04
Start date
Unknown
Completion date
Unknown
Last updated
2025-10-13

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

Conditions

Health Condition 1: K508- Crohns disease of both small andlarge intestine

Interventions

Intervention1: Group A: Fecal microbiota transplantation, CDED and advanced therapy Group B: FMT, sham diet and Advanced therapy Group C: Advanced-therapy, Sham FMT and CDED : Group A: Fecal microbio

Sponsors

Indian Council of Medical Research
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1.Patients with active Crohn disease in whom FMT is feasible 2.Patients with an inadequate response, loss of response, or intolerance to conventional therapies (example, corticosteroids, immunomodulators, methotrexate) or advanced therapies (including but not limited to anti TNF alpha agents, anti integrins, anti IL 12 or IL 23 agents, anti IL 23 agents, JAK inhibitors). The last administration of any such treatment must have occurred at least five half-lives prior to randomization 3.Aged between 18-75 years 4.CDAI greater than 150 and/or SES-CD equal or greater than 6 (or equal or greater than 4 if isolated ileal disease)

Exclusion criteria

Exclusion criteria: 1. Patients in remission (CDAI less than 150) 2. Stricturing disease (non-passable stricture) in whom FMT is not feasible 3. Fistulising phenotype or Perianal fistula or abscess 4. Isolated L4 disease 5. Active TB or Sepsis 6. Pregnant or lactating women 7.Patients with co-morbidities like CAD/CLD/CKD 8. Previous surgery for CD 9. Declining consent or not willing for FMT or diet advice 10. Patients with current or recent history of clinically severe, progressive, or uncontrolled renal, hepatic, hematological, gastrointestinal, metabolic, endocrine, pulmonary, cardiac, or neurological disease. 11.Positive assay or stool culture for pathogens (ova and parasite examination, bacteria) or positive test for Clostridioides difficile toxin at screening# 12.Patients infected with human immunodeficiency virus (HIV) #The patients with positive assay will be treated appropriately and tests will be repeated. Those with negative assay and persistent activity will be included in the study

Design outcomes

Primary

MeasureTime frame
1.Proportion of patients with clinical remission (CDAI less than 150) and endoscopic response (decline in SES-CD by greater than 50%) at 10 weeks 2.Proportion of patients with clinical remission (CDAI less than 150) and endoscopic remission (SES-CD less than 3) at 48 weeksTimepoint: 10 weeks and 48 weeks

Secondary

MeasureTime frame
1.Proportion of patients with clinical response defined as either CDAI decrease from baseline of at least 70 points or CDAI less than 150 (10 weeks and 48 weeks) 2.Proportion of patients with PRO2 Remission: at 10 weeks and 48 weeks 3.Proportion of patients with endoscopic response defined as 50% reduction from baseline on SES-CD (10 weeks and 48 weeks) 4.Proportion of patients with Endoscopic remission: SES-CD of 2 or less (48 weeks) 5.Proportion of patients with corticosteroid-free clinical remission -those who are in clinical remission at 48 weeks with no exposure to steroids in past 8 weeks (48 weeks) 6.Fecal microbiome and metabolite signature between responders and non-responders at baseline, week 10 and week 48 7.Proportion of patients with biomarker remission 8.Proportion of patients with adverse events at week 6, 10, 26 and 48 Exploratory endpoints 1.Histologic response at 48 weeks Timepoint: 10 weeks and 48 weeks

Countries

India

Contacts

Public ContactDr Vineet Ahuja

All India Institute of Medical Sciences New Delhi

vineet.aiims@gmail.com09810707170

Outcome results

None listed

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