A Study to Learn About the Safety of Vedolizumab and How Well it Works in Children and Teenagers With Active Chronic Pouchitis

Recruiting now · Phase 3

Conditions studied: Pouchitis

In brief

When some people have their large bowel removed, a surgeon can make a "pouch" from part of the small bowel to connect it to the back passage (anus). Pouchitis is when the pouch becomes inflamed (swollen) or infected. The main aim of this study is to find out if vedolizumab improves pouchitis symptoms and pouch inflammation. Other aims include to find out if vedolizumab is well tolerated and if it causes any medical problems (adverse events or side effects) and to look for any changes in the well-being of participants during their treatment with vedolizumab. This study consists of two parts: Part 1 includes the induction and maintenance periods, and Part 2 includes the continued maintenance period. Participants will receive up to 12 infusions of vedolizumab. In Part 1 of the study, first 3 infusions are in first 6 weeks (Day 1, Week 2 and Week 6). Participants who are getting benefit may continue with the treatment for up to 7.5 months (30 weeks) in the maintenance period for Part 1. After completing treatment with vedolizumab in Part 1, participants will visit their clinic for a health check at Week 34. Participants who show clinical response at Week 34 will continue to Part 2, receiving vedolizumab every 8 weeks for an additional 40 weeks, starting at Week 38 and ending with the last dose being at Week 78. Final efficacy assessments, including a pouchoscopy will be performed at Week 82.

Key facts

Study ID

NCT06443502

Run by

Takeda

People needed

30

Starts

2024-11-19

Expected to finish

2030-01-31

Last updated by the study team

2026-08-03

Who can join

Age: 2 and older, up to 17. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• The participant weighs >=10 kg at the time of screening and first dose.
• Has active chronic pouchitis, defined by a mPDAI score >=5 assessed using the 3-day average of participant-reported clinical symptoms prior to the screening endoscopy (that is [ie] video pouchoscopy with biopsy) or bowel preparation for the endoscopy and a minimum mPDAI endoscopic subscore of 2 (outside the staple or suture line) and either:
• >=1 previous episodes of pouchitis within 1 year before the screening visit, with symptoms lasting for at least a total of 4 weeks, treated with >=2 weeks of antibiotic or other prescription therapy (ie, other antibiotics, probiotics, immunomodulators, or anti-tumor necrosis factor [TNFs] within 1 year before screening). Or
• Have had an inadequate response with, or lost response to, or be intolerant to antibiotic therapy (ie, requiring maintenance antibiotic therapy taken for >=4 weeks immediately before the baseline endoscopy visit or not able to receive or continue antibiotic treatment due to intolerance or other contraindication).
• The participant is aged 2 to 17 years, inclusive, at the time of screening and first dose.
• The participant has a history of proctocolectomy and ileal pouch-anal anastomosis (IPAA) as treatment for ulcerative colitis (UC), Crohn's disease (CD), familial adenomatous polyposis (FAP), or other underlying conditions, such as Hirschsprung's disease, for which construction of a pouch was medically indicated, completed at least 1 year before the screening visit.

You may not qualify if…

• The exclusion criteria are divided into 3 categories: active chronic pouchitis exclusion criteria, infectious disease exclusion criteria, and general exclusion criteria.
• Active Pouchitis Exclusion Criteria:
• Has symptoms believed to be predominantly due to irritable pouch syndrome.
• Has isolated cuffitis.
• Is found to have dysplasia at the screening endoscopy.
• Has mechanical complications of the pouch (for example [e.g.] pouch stricture or pouch fistula).
• Currently requires or has a planned surgical intervention during the study.
• Has a diverting stoma.
• Infectious Disease Exclusion Criteria:
• Has evidence of an active infection (e.g. sepsis, cytomegalovirus [CMV], or listeriosis) during screening.
• Had a clinically significant infection (e.g. pneumonia, pyelonephritis, coronavirus disease 2019 [COVID-19]) within 35 days before first dose of study drug.
• Has active or latent tuberculosis (TB), as evidenced by a diagnostic TB test performed within 3 months of screening or during the screening period that is positive, as defined by:
• A positive QuantiFERON test or 2 successive indeterminate QuantiFERON tests, or
• A TB skin test reaction >=5 millimeter (mm). NOTE: If participant have received Bacillus Calmette-Guérin vaccine, then a QuantiFERON TB Gold test should be performed instead of the TB skin test.
• NOTE: Participants with documented previously treated TB with a negative QuantiFERON test can be included in the study.
• Has evidence of positive hepatitis B surface antigen (HBsAg) or hepatitis B core antibody (HBcAb). Hepatitis B virus (HBV) immune participants (e.g. HBsAg negative and hepatitis B antibody positive) may, however, be included.
• NOTE: If a participant tests negative for HBsAg, but positive for HBcAb, the participant would be considered eligible if the absence of HBV DNA is confirmed by HBV DNA polymerase chain reaction reflex testing performed in the central laboratory.
• Has chronic hepatitis C virus (HCV) (ie, positive HCV antibody [HCVAb] and HCV Ribonucleic Acid [RNA]).
• NOTE: Participants who are HCVAb-positive without evidence of HCV RNA may be considered eligible (spontaneous viral clearance or previously treated and cured [defined as no evidence of HCV RNA at least 12 weeks before baseline]).
• Has any identified congenital or acquired immunodeficiency (e.g. common variable immunodeficiency, HIV infection, organ transplantation).
• Has positive stool studies for ova and/or parasites or stool culture at screening visit.
• Has positive Clostridium difficile stool test at screening visit.
• General Exclusion Criteria:
• Is taking, has taken, or is required to take any excluded medications.
• Has active cerebral/meningeal disease, signs/symptoms, or history of progressive multifocal leukoencephalopathy (PML) or any other major neurological disorders, including stroke, multiple sclerosis, brain tumor, or neurodegenerative disease.

Where it is running

• UZ Leuven — Leuven, Vlaams-Brabant, Belgium (enrolling)
• Children's Hospital Zagreb — Zagreb, Croatia (enrolling)
• Fakultni nemocnice v Motole, Pediatricka klinika 2 — Prague, Czechia (enrolling)
• Sotiria Thoracic Diseases Hospital, Dpt. of Gastroenterology, Building Z — Athens, Attica, Greece (enrolling)
• Shaare Zedek Medical Center — Jerusalem, Israel (enrolling)
• Schneider Children's Medical Center of Israel — Petah Tikva, Israel (enrolling)
• Istituto G Gaslini Ospedale Pediatrico IRCCS — Genova, Italy (enrolling)
• Azienda Ospedaliero Universitaria, Policlinico Gaetano Martino — Messina, Italy (enrolling)
• AOU dell'Universita degli Studi della Campania Luigi Vanvitelli — Naples, Italy (enrolling)
• Azienda Ospedaliero-Universitaria Policlinico Umberto I — Rome, Italy (enrolling)
• IRCCS Materno Infantile Burlo Garofolo — Trieste, Italy (enrolling)
• Instytut Pomnik-/Centrum Zdrowia dziecka — Warsaw, Poland (enrolling)
• Hospital Sant Joan de Deu — Esplugues de Llobregat, Barcelona, Spain (enrolling)
• Hospital Universitari I Politecnic La Fe de Valencia — Valencia, Spain (enrolling)

Full record on ClinicalTrials.gov

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