De-escalation of Anti-TNF Therapy in Inflammatory Bowel Disease
NCT ID: NCT04646187
Last Updated: 2025-01-06
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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ENROLLING_BY_INVITATION
PHASE4
148 participants
INTERVENTIONAL
2021-03-11
2026-03-31
Brief Summary
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Treatment outcomes of patients with inflammatory bowel disease (IBD) have improved enormously during the past decade due to the use of anti-tumour necrosis factor (anti-TNF) therapy. As a result, 67 to 91% of paediatric patients and 66% of adult patients is still in sustained remission two years after the initiation of anti-TNF therapy. Prolonged use of anti-TNFs comes with disadvantages such as dose dependent susceptibility to infections and dermatological adverse effects. Preliminary, mostly uncontrolled studies suggest that dose reduction by dosing interval lengthening is a realistic option in a relevant proportion of patients with IBD, provided that intensive follow-up is applied.
OBJECTIVE:
To evaluate whether a faecal calprotectin (FC) guided strategy of anti-TNF dosing interval lengthening is non-inferior in maintaining remission in patients with IBD, compared with an unchanged dosing interval.
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Detailed Description
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International, multi-centre, prospective, partially randomised patient-preference trial.
STUDY POPULATION:
Study population: Eligible patients are aged 12-25 years with luminal Crohn's disease (CD) or ulcerative colitis (UC), who have three consecutive faecal calprotectin (FC) results in the target range (i.e. \<250 µg/g for CD patients; \<150 µg/g for UC patients) over a period of 6 months at study entry or recently confirmed endoscopic remission.
DE-ESCALATION STRATEGY:
In patients treated with adalimumab, the dosing interval will be lengthened from 2 to 3 weeks. In patients treated with infliximab, the dosing interval will be lengthened from 8 to 12 weeks. FC rapid tests will be performed every 4 weeks and rapid tests for anti-TNF trough levels will be performed every 12 weeks.
MAIN STUDY ENDPOINTS:
The primary outcome is the cumulative incidence of out-of-range FC results at 48 weeks follow-up. Secondary endpoints include time to get out-of-range FC results, cumulative incidence of anti-TNF associated adverse effects, proportion of patients progressing from out-of-range FC to loss-of-response and identification of predictors of successful de-escalation.
ETHICAL CONSIDERATIONS:
Patients with reduced anti-TNF exposure may have a higher risk of out-of-range FC results and, on the other hand, may benefit from fewer hospital visits or injections and possibly a decrease in adverse effects of anti-TNF therapy. Tight monitoring of FC levels (i.e. 4-weekly) will allow institution of re-escalation before the patient manifests clinical signs of relapse. This study cannot be conducted without the participation of minors and young adults, who typically have a short disease duration. Early treatment with anti-TNF agents possibly modifies the course of their disease, which makes provision for safe deescalation.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Intervention group
In patients treated with adalimumab, the dosing interval will be lengthened from 2 to 3 weeks. In patients treated with infliximab, the dosing interval will be lengthened from 8 to 12 weeks. Consists of two groups: Patients randomised to the intervention group and patients allocated to the intervention group based on preference.
Infliximab
Dosing interval lengthening from 8 to 12 weeks
Adalimumab
Dosing interval lengthening from 2 to 3 weeks
Control group
Unchanged dosing interval. Consists of two groups: Patients randomised to the control group and patients allocated to the control group based on preference.
No interventions assigned to this group
Interventions
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Infliximab
Dosing interval lengthening from 8 to 12 weeks
Adalimumab
Dosing interval lengthening from 2 to 3 weeks
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Diagnosed with luminal Crohn's disease or ulcerative colitis
* Treated with either 8-weekly infliximab or 2-weekly adalimumab
* Current anti-TNF agent as first ever anti-TNF agent or prior anti-TNF agent discontinued for reason other than primary non-response or secondary loss-of-response
* No previous attempts to lengthen the dosing interval
* Three consecutive faecal calprotectin (FC) results in the target range (i.e. \<250 μg/g for CD patients; \<150 μg/g for UC patients) in the previous 6 months or confirmed endoscopic remission within 2 months before study entry (i.e. simple endoscopic score for Crohn's disease (SES-CD) \<3 points for CD patients; ulcerative colitis endoscopic index of severity (UCEIS) ≤1 point for UC patients)
* Absence of symptoms associated with active IBD (judged by the local IBD-team)
* Written informed consent granted
Exclusion Criteria
* Presence of ileostomy or ileoanal pouch (as FC cut-off is not validated for small bowel faeces)
* Any inflammatory comorbidity, such as rheumatoid arthritis
* Current treatment with corticosteroids (prednisone or budesonide)
* Current pregnancy
12 Years
25 Years
ALL
No
Sponsors
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European Crohn´s and Colitis Organisation
UNKNOWN
Bühlmann Laboratories AG
INDUSTRY
University Medical Center Groningen
OTHER
Responsible Party
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P.F. van Rheenen
MD PhD
Principal Investigators
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Patrick F van Rheenen, MD PhD
Role: PRINCIPAL_INVESTIGATOR
University Medical Center Groningen
Locations
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Universitair Ziekenhuis Gent
Ghent, , Belgium
Centre hospitalier universitaire de Liège
Liège, , Belgium
Centre hospitalier régional de la Citadelle
Liège, , Belgium
Rijnstate Hospital
Arnhem, , Netherlands
Catharina Hospital Eindhoven
Eindhoven, , Netherlands
University Medical Center Groningen
Groningen, , Netherlands
Hospital Universitari de Bellvitge
L'Hospitalet de Llobregat, , Spain
Countries
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References
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Bouhuys M, Lexmond WS, Dijkstra G, Lobaton T, Louis E, van Biervliet S, Groen H, Guardiola J, Rheenen PV. Efficacy of anti-TNF dosing interval lengthening in adolescents and young adults with inflammatory bowel disease in sustained remission (FREE-study): protocol for a partially randomised patient preference trial. BMJ Open. 2021 Nov 3;11(11):e054154. doi: 10.1136/bmjopen-2021-054154.
Other Identifiers
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2020-001811-26
Identifier Type: EUDRACT_NUMBER
Identifier Source: secondary_id
202000261
Identifier Type: -
Identifier Source: org_study_id
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