Clinical trial at a rehabilitation clinic in Austria, with positive findings, on 61 patients with varicose veins in the legs. Approximately half of the patients were randomly allocated to receive a homeopathic medicine called Poikiven; the others received a dummy medicine (placebo). They did not know which treatment group they were in. After 24 days, the legs of patients who received the homeopathic medicine had better leg circulation than those who received placebo.
Ernst E, Saradeth T, Resch KL (1990). Complementary therapy of varicose veins – a randomized, placebo-controlled, double-blind trial. Phlebology; 5:157–163.
