Skip to content

Loss of response to infliximab in patients with intractable ulcerative colitis: Clinical features and outcomes.

Loss of response to infliximab in patients with intractable ulcerative colitis: Clinical features and outcomes. - Loss of response to infliximab in patients with intractable ulcerative colitis: Clinical features and outcomes.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000016640
Enrollment
40
Registered
2015-02-26
Start date
2014-08-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

ulcerative colitis

Interventions

None listed

Sponsors

Hyogo College of Medicine, Department of Inflammatory Bowel Disease, Division of Internal Medicine
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Patients who had been diagnosed with ulcerative colitis according to the diagnostic criteria defined by the research group of inflammatory bowel disease in the Ministry of Health, Labor and Welfare in Japan. 2) Ulcerative colitis patients who had been receiving scheduled IFX treatment for over 6 months. 3) Ulcerative colitis patients who had been assessed clinical/mucosal disease activity by experienced clinician before initial IFX administration. 4) Patients who were able to provide written informed consent before being included this study.

Exclusion criteria

Exclusion criteria: 1) Patients who had not showed initial response to IFX before. 2) Patients who had been treated with IFX at short intervals (within 8 weeks) in their exacerbating period. 3) Patients who could not provide written informed consent before being included this study.

Design outcomes

Primary

MeasureTime frame
The percentage of intractable UC patients who lost response to IFX maintenance therapy. Loss of response to IFX was defined as: patients who lost response to IFX during over 6 month maintenance therapy with scheduled every 8 weeks IFX following the initial response to IFX.

Secondary

MeasureTime frame
Determination of serum IFX concentration and the ATI status in the included UC patients. Comparison of endoscopic/ histological findings between patients who lost response to IFX maintenance therapy and patients who continued to respond.

Countries

Japan

Contacts

Public ContactTakako Miyazaki MD. PhD.

Hyogo College of Medicine Department of Inflammatory Bowel Disease, Division of Internal Medicine

takako35@hyo-med.ac.jp0798-45-6663

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026