HARP - Harpoon doses first patient in mid-stage cancer trial April, 18 2019 09:01 AM Harpoon Therapeutics Inc. Harpoon Therapeutics (NASDAQ:HARP) has dosed first patient with HPN536 in a Phase 1/2a clinical trial initially focused on ovarian cancer.More news on: Harpoon Therapeutics, Inc., Healthcare stocks news, Read more ...