The purpose of this study is to evaluate the effectiveness of the switch from the original infliximab ( REMICADE®) to its biosimilar (INFLECTRA®) in all the patients at Cochin hospital receiving REMICADE® for either a rheumatic, gastro-enterologic or ophthalmic condition
All patients managed in one of the departments of cochin Hospital who are receiving the original infliximab ( REMICADE®) from at least 4 months will be invited to continue to receive infliximab but using its biosimilar (INFLECTRA®)) at the same regimen (identical dose per infusion and interval between two infusions) than the previous one while receiving REMICADE®. The tolerability of the infusion will be recorded as well as the percentage of patients continuing INFLECTRA® after at least six months of its initiation. Moreover, the infliximab serum level will be evaluated after the last infusion of REMICADE® and after the third infusion of INFLECTRA®. At the same time, anti-drug antibodies will be tested. Finally for each of the underlying disease (e.g. rheumatoid arthritis, spondyloarthritis, Crohn's disease, uveitis,..), the maintenance of the efficacy of Infliximab will be evaluated according to the usual outcome measures of the activity of the disease
Study Type
OBSERVATIONAL
Enrollment
262
Treatment with an infliximab biosimilar (i.e. INFLECTRA® ) for all patients which have been treated by REMICADE® for at least 4 months
Hôpital Cochin
Paris, Paris, France
Percentage of patients continuing INFLECTRA®
Evaluation of the percentage of patients continuing INFLECTRA® after its third infusion
Time frame: after the third infusion of INFLECTRA®, up to 24 weeks
Infliximab serum level
Time frame: after the third infusion of INFLECTRA®, up to 24 weeks
Percentage of patients with a flare of their disease
The flare will be assessed by usual physiological parameter of the disease
Time frame: after the third infusion of INFLECTRA®, up to 24 weeks
Percentage of patients with anti-drug antibodies assessed after the third infusion of INFLECTRA®
Time frame: after the third infusion of INFLECTRA®, up to 24 weeks
Percentage of patients with anti drug antibodies assessed after the last infusion of REMICADE®
Time frame: after the last infusion of REMICADE®, up to 24 weeks
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