Fig. 5From: 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 ≥50% reduction in the monthly average number of migraine days over 6 months (mITT).a mITT, modified intent-to-treat; DB, double-blind; OLE, open-label extension. aAll patients in the OLE received fremanezumab 225 mg monthlyBack to article page