Acupuncture versus propranolol in migraine prophylaxis: an indirect treatment comparison meta-analysis Background Propranolol is recommended as a first-line treatment for preventing migraine attacks; acupuncture has not been compared with propranolol in a head-to-head trial. Objective To compare acupuncture with propranolol using indirect treatment comparison meta-analysis. Method We searched MEDLINE, EMBASE, and Cochrane Central Register of Controlled Trials (CENTRAL). Randomized controlled …