Fig. 4From: Efficacy and safety of fremanezumab in patients with episodic and chronic migraine with documented inadequate response to 2 to 4 classes of migraine preventive medications over 6 months of treatment in the phase 3b FOCUS studyProportion of patients achieving a ≥50% reduction and b ≥75% reduction in the monthly average number of migraine days in the DB period and the OLE (mITT).a DB, double-blind; OLE, open-label extension; mITT, modified intent-to-treat. aAll patients in the OLE received fremanezumab 225 mg monthlyBack to article page