Adults with more than 12 months history of migraines were assigned randomly in a double-blinded study to receive treatment with experimental drug X or placebo. The primary efficacy measure was the reduction in the severity of the migraine attacks. Enrollment was 1200 subjects. Which clinical phase does this best describe?
Question & Answer
Adults with more than 12 months history of migraines were assigned randomly in a double-blinded study to receive treatment with experimental drug X or placebo. The primary efficacy measure was the reduction in the severity of the migraine attacks. Enrollment was 1200 subjects. Which clinical phase does this best describe?
1 Answer
Verified archivePhase 3