drugset / Trial / NCT06590090

Natrunix in Combination With Methotrexate for Rheumatoid Arthritis Treatment

NCT06590090

Phase 2 Not yet recruiting 108 enrolled XBiotech, Inc.
RandomizedParallel-groupTriple-blindTreatment

Summary

Approximately 108 subjects will be randomized in 2 arms in 2:1 ratio to receive weekly subcutaneous injections of either 400mg Natrunix + MTX weekly or placebo + MTX weekly for 14 weeks. At the week 14 visit subjects in both arms will undergo a safety follow up visit OR begin receiving biweekly subcutaneous injections of 400mg Natrunix for 14 weeks as part of an Open Label Extension (OLE). The study will last for a maximum of 33 weeks, including: a screening period of up to 4 weeks, a 14-week double-blinded treatment phase followed by a 14-week open label extension phase and one-week follow-up.

Timeline

Start
2026-07-15
Primary completion
2027-01-15
Completion
2027-07-15

Drugs

EvaluationDrugModalityDoseRoute
Subject Natrunix Monoclonal antibody 400 mg Subcutaneous
Background Methotrexate Small molecule 10 mg Oral
Background Methotrexate Small molecule 25 mg Oral

Indications