Can IBD patients safely stretch their infusion schedule? new study tests two strategies
NCT ID NCT03841942
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at people with inflammatory bowel disease (Crohn's disease or ulcerative colitis) who are in deep remission. It compares two methods for gradually increasing the time between infliximab infusions: one based on symptoms and one based on drug levels in the blood. The goal is to see which approach better maintains remission and reduces the number of infusions needed.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- infliximab
- What this could lead to
- If successful, this could allow some IBD patients to receive fewer infusions while maintaining remission, reducing treatment burden.
- What could go wrong
- This is a small, early-stage study. Spacing infusions may increase the risk of disease flare-ups or loss of remission.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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64 people
The number who actually took part.
- Started
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Jun 2019
- Finished
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Oct 2023
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age greater than 18 years * Patients with a diagnosis of Crohn's disease or ulcerative colitis according to clinical, biological, morphological and endoscopic criteria defined by the ECCO guidelines22, 23 * Patients in deep remission since at least 6 months17: * CDAI \< 150 for CD, Partial Mayo score \< 3 for UC * CRP (C reactive protein) \< 10 mg/l * CDEIS \< 6 (\<3 in each segment) for CD, Mayo endoscopic subscore of 0 or 1 for UC * For CD patients with small bowel disease: No ulceration on MRI, only asymptomatic fibrotic stenosis without inflammation and retro dilatation. No ulceration on wireless capsule endoscopy if feasible * For patients with perianal disease: No active draining fistula, or perianal abscess on clinical exam and MRI * Treatment with infliximab at stable dose (5mg/kg) with a stable interval for at least 4 months * Infliximab trough level \> 3 ug/ml * No change in other IBD therapies in the past 4 months * Signed informed consent form * Subjects must be able to attend all scheduled visits and to comply with all trial procedures * Subjects must be covered by public health insurance Exclusion Criteria: * Subject unable to read or/and write * Planned longer stay outside the region that prevents compliance with the visit plan * Subject who are in a dependency or employment with the sponsor or the investigator * Participation in another clinical trial or administration of an unapproved drug within the last 4 weeks before the screening date * Previous withdrawal or spacing over 8 weeks of infliximab therapy * Infliximab therapy at 10 mg/kg * Patients who have presented a severe acute or delayed reaction to infliximab. * Active perianal/abdominal fistulae at time of inclusion, defined by active drainage * Patients with ostomy or ileoanal pouch * Pregnancy or planned pregnancy during the study * Inability to follow study procedures as judged by the investigator * Steroid use ≤3 months prior to screening
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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APHP Beaujon Hospital
Paris, France
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APHP Paris Cochin
Paris, France
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Amiens University Hospital
Amiens, France
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Besançon University Hospital
Besançon, France
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Bordeaux University Hospital
Bordeaux, France
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CHRU Nancy - Hôpitaux de Brabois
Nancy, France
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Caen University Hospital
Caen, France
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Clermont-Ferrand University Hospital
Clermont-Ferrand, France
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Lille University Hospital
Lille, France
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Nantes University Hospital
Nantes, France
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Nice University Hospital
Nice, France
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Nîmes University Hospital
Nîmes, France
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Pineton de Chambrun
Montpellier, 34000, France
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Rennes University Hospital
Rennes, France
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Saint Etienne University Hospital
Saint-Etienne, France
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Toulouse University Hospital
Toulouse, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Ulcerative colitis drugs put under the microscope for hidden clot risk
- Can a cheap Anti-Inflammatory drug calm ulcerative colitis?
- Can early symptom relief predict who stays on IBD biologic?
- Can a liquid diet calm Crohn's in kids?
- Which IBD therapy works best for kids? researchers compare two approaches