Effect of Proactive Therapeutic Drug Monitoring on Maintenance of Sustained Disease Control in Adults With Rheumatoid Arthritis on a Subcutaneous TNF Inhibitor: The Rheumatoid Arthritis Therapeutic DRUg Monitoring Trial (RA-DRUM)
A Multi-center, Open, Randomized, 18-month, Parallel-group, Superiority Study to Compare the Effect of Proactive Therapeutic Drug Monitoring Versus Standard of Care With Regards to Maintenance of Sustained Disease Control Without Flare in Adults With Rheumatoid Arthritis Treated With a Subcutaneous Tumor Necrosis Factor Inhibitor
Diakonhjemmet Hospital
350 participants
Aug 20, 2024
INTERVENTIONAL
Conditions
Summary
The goal of this clinical trial is to compare therapeutic drug monitoring (TDM) versus Standard of care in patients with rheumatoid arthritis treated with a subcutaneous tumor necrosis factor inhibitor (adalimumab). The main question it aims to answer is: Is TDM superior to standard of care in order to maintain sustained disease control without flares? Participants will be followed with blood sampling every second month, measuring serum drug levels and anti-drug antibodies of the TNFi. In the TDM-group, the researchers will adjust the dosage of the TNFi based on knowledge on optimal therapeutic ranges. In the Standard of care group, the TNFi will be administered according to standard of care without knowledge of serum drug levels or anti-drug antibodies.
Eligibility
Plain Language Summary
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Interventions
In the TDM-group, the adalimumab dose will be adjusted according to the following algorithms in order to keep the drug level within the therapeutic range: * Serum drug level within therapeutic range : keep dose * Low drug levels, ADAb undetectable or low levels : Decrease dosing interval by one week to a maximum of 40 mg/week * Low drug levels, ADAb high levels : Switch to another therapy * High drug levels : Increase dosing interval by one week up to a maximum of 6 weeks
Locations(22)
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NCT06440629