Health Canada Slated to Review New Drug Submission for Momelotinib in Myelofibrosis

Kristi Rosa

Health Canada has accepted for review the new drug submission seeking the approval of momelotinib in patients with myelofibrosis, according to a recent announcement from GlaxoSmithKline.The submission is based on findings from the phase 3 SIMPLIFY-1 (NCT01969838) and MOMENTUM (NCT04173494) trials.

Specifically, SIMPLIFY-1 data showed that of the 86 patients who received momelotinib, 31.4% (95% CI, 21.8%-42.3%) experienced a spleen volume response (SVR) reduction of 35% or higher vs 32.6% (95% CI, 23.4%-43.0%) of the 95 patients who received danazol.2

Moreover, findings from MOMENTUM indicated that a tumor symptom score (TSS) of at least 50% was observed in 25% of the 130 patients given momelotinib per the Myelofibrosis Symptom Assessment Form (MFSAF v4.0), representing a treatment difference of 16% (95% CI, 6%-26%; P < .01).2,3 The MFSAF v4.0 TSS change from baseline in the momelotinib and danazol arms were -9.4 and -3.1, respectively, equating to a difference of -6.2 (95% CI, -10 to -2.4; P = .001).

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Posted in Myelofibrosis, Treatment.

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