Panel Backs Low Dose of Lilly’s Olumiant

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FDA’s Arthritis Advisory Committee has recommended approval of a 2 mg dose of Eli Lilly’s Olumiant (baricitinib), a once-daily oral drug for the treating moderately-to-severely active rheumatoid arthritis for adult patients who have had an inadequate response or intolerance to methotrexate. Panel members unanimously supported the efficacy of the 4 mg dose of baricitinib, but it did not recommend approval of that dose based on the inadequacy of the safety and benefit-risk profiles.

 

In briefing materials released last week (see story), FDA medical reviewers said they have concerns about Olumiant’s safety, including the risk of thrombosis, that were first identified when the NDA was originally submitted 1/14/16. That application was issued a complete response letter 4/12/17 because the overall benefit-risk assessment for the proposed 2 mg and 4 mg once-daily doses was not favorable. The company resubmitted its application 12/4/17.

 

The reviewers said there is general agreement that the data submitted demonstrate efficacy for Olumiant in rheumatoid arthritis at doses of 2 mg and 4 mg once daily. However, they say they identified a safety profile “consistent with that of a potent immunosuppressant with major safety risks of serious and some fatal infections, including opportunistic infections and tuberculosis, malignancy, laboratory abnormalities of increase in platelet counts, decrease in neutrophil counts, and increases in lipid parameters, and serum creatine phosphokinase.” The briefing says that many of the adverse reactions appear to be dose-dependent. Also, it says, arterial and venous thromboses were observed in association with Olumiant treatment.

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