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Efficacy and Safety of Upadacitinib in Active Perianal Fistulizing Crohn's Disease Refractory to Anti-TNF Therapy: A Multicenter, Prospective Observational Study

Efficacy and Safety of Upadacitinib in Active Perianal Fistulizing Crohn's Disease Refractory to Anti-TNF Therapy: A Multicenter, Prospective Observational Study

Status
Recruiting
Phases
Phase 4
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600117355
Enrollment
Unknown
Registered
2026-01-22
Start date
2025-03-13
Completion date
Unknown
Last updated
2026-01-27

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

Conditions

Active Perianal Fistulizing Crohn's Disease

Interventions

Active Perianal Fistulizing Crohn's Disease Refractory to Anti-TNF Therapy:None

Sponsors

Renji Hospital affiliated to Shanghai Jiaotong University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 60 Years

Inclusion criteria

Inclusion criteria: 1. Chinese male or female patients aged 18-60 years (inclusive) at Baseline (Week 0), exclusively of Chinese ancestry. 2. Confirmed diagnosis of Crohn’s disease >=3 months prior to Baseline (Week 0), established by endoscopy, radiological assessment, and/or histopathology. 3. Documented failure to >=1 anti-TNFa agent: a.Infliximab: >=6-week induction regimen (IV >=5 mg/kg at Weeks 0, 2, and 6) b.Adalimumab: >=4-week induction regimen (SC 160 mg at Week 0 + 80 mg at Week 2); 4. MRI-confirmed active perianal fistula at Baseline (Week 0). 5. Negative tuberculosis (TB) screening. Subjects with latent TB must complete =3 weeks of TB prophylaxis prior to Baseline. 6. Willing and able to provide written informed consent and comply with the protocol.

Exclusion criteria

Exclusion criteria: 1. Current diagnosis of ulcerative colitis (UC) or indeterminate colitis. 2. Pregnancy or breastfeeding. 3. Severe systemic diseases, opportunistic infections, immunodeficiency, malignancy history, or demyelinating disorders. 4. History or current venous/arterial thrombosis (e.g., DVT, PE). 5. History of myocardial infarction, stroke, or moderate-severe heart failure (NYHA III/IV) within 6 months. 6. Severe hepatic impairment (Child-Pugh C) or severe renal impairment/ESRD. 7. At Baseline (Week 0): ALC 20 mg/day. 11. Previous treatment with JAK inhibitors (e.g., tofacitinib, baricitinib). 12. Ileostomy, ileoanal pouch, or short bowel syndrome. 13. Bowel resection or abdominal surgery within 3 months prior to Baseline. 14. Known allergy to upadacitinib or its excipients. 15. Any condition deemed unsuitable for the study by the investigator.

Design outcomes

Primary

MeasureTime frame
combined fistula remission;

Secondary

MeasureTime frame
Fecal Calprotectin;Visual Analogue Scale;clinical fistula response;Wexner Fecal Incontinence Score;Combines clinical remission and endoscopic response;endoscopic remission;Perianal Disease Activity Index (PDAI);CRP;

Countries

China

Contacts

Public ContactCao Zhijun

Renji Hospital affiliated to Shanghai Jiaotong University School of Medicine

caozj_renji@163.com+86 21 6838 3111

Outcome results

None listed

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