By Deena Beasley (Reuters) – Gilead Sciences Inc’s Trodelvy extended by 1.5 months, or 34%, the length of time women with advanced stages of the most common type of breast cancer lived without their disease worsening, according to late-stage trial data presented on Saturday. The Phase III study compared Trodelvy to chemotherapy in 543 patients with hormone-sensitive tumors that test negative for a receptor called HER2 and who had stopped responding to at least two earlier lines of therapy. The data, presented in Chicago at the annual meeting of the American Society of Clinical Oncology (ASCO),…