The aim of the study is to assess the long-term efficacy and safety of a ustekinumab 90mg subcutaneous (SC) every 4 weeks (Q4w) regimen in patients with Crohn's disease previously enrolled in the REScUE study (NCT04245215) because of secondary loss of response to a ustekinumab 90mg SC every 8 weeks (Q8w) regimen.
Accepts Healthy Volunteers
Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms
An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.
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|Eligible Ages||18 Years and Over|
This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.
Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.
Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.
Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.
Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.
The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.
|Belgian Inflammatory Bowel Disease Research and Development (BIRD) VZW|
The person who is responsible for the scientific and technical direction of the entire clinical study.
|Lieven Pouillon, MD|
|Principal Investigator Affiliation||BIRD VZW|
Category of organization(s) involved as sponsor (and collaborator) supporting the trial.
The disease, disorder, syndrome, illness, or injury that is being studied.
The study is a prospective, open-label study only enrolling patients that were previously included in the REScUE study (n=max. 108; NCT04245215) and that terminated that study at week 48. Patients will undergo most necessary examinations, including endoscopy, as part of the Week 48 visit of the REScUE study and those should therefore not be repeated as part of Week 0 visit of the REScUE-OLE study (W0 REScUE-OLE = W48 REScUE). The FACIT-Fatigue scale and the additional laboratory evaluations (serum creatinine, ALT, AST and conjugated bilirubin) are the only examinations that are not foreseen at the end of the REScUE study at week 48. During the 4-week period following the start of REScUE-OLE (= end of REScuE at Week 48), collection and monitoring of the patient's data within the REScUE study will first be finalized, after which unblinding takes place. Depending on the final outcome and treatment of the patient in REScUE ("Q8w responders", "Q8w non-responders", "Q4w responders"), the OLE treatment regimen will be decided as follows: 1. Patients previously enrolled to the ustekinumab 90 mg SC Q8w-arm will continue ustekinumab 90 mg SC Q8w if they are "Q8w responders" at the end of REScUE, defined by the following criteria:
Other: Subcutaneous (SC) ustekinumab every 8 weeks (Q8w)
Patients previously enrolled to the ustekinumab 90 mg SC Q8w-arm will continue ustekinumab 90 mg SC Q8w if they are "Q8w responders" at the end of REScUE Patients treated with a OLE treatment regimen of ustekinumab 90 mg SC Q8w will be able to cross-over to a OLE treatment regimen of ustekinumab 90 mg SC Q4w if they meet the criteria of CD worsening at week 12 or at any timepoint beyond week 12 after entering REScUE-OLE
Other: Subcutaneous (SC) ustekinumab every 4 weeks (Q4w)
Patients previously enrolled to the ustekinumab 90 mg SC Q8w-arm will switch to ustekinumab 90 mg SC Q4w ("Cross-over") if they are "Q8w non-responders" at the end of REScUE OR Patients previously enrolled to the ustekinumab 90 mg SC Q4w-arm will continue ustekinumab 90 mg SC Q4w if they are "Q4w responders" at the end of REScUE
Drug: - Ustekinumab
dose escalation from every 8 weeks to every 4 weeks only in arm 2
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Zaventem, , 1930
Ingrid V Arijs