A phase ib study of alpelisib or buparlisib combined with tamoxifen plus goserelin in premenopausal women with HR-positive HER2-negative advanced breast cancer

Yen Shen Lu, Keun Seok Lee, Tsu Yi Chao, Ling Ming Tseng, Imjai Chitapanarux, Shin Cheh Chen, Chien Ting Liu, Joohyuk Sohn, Jee Hyun Kim, Yuan Ching Chang, Youngsen Yang, Kanjana Shotelersuk, Kyung Hae Jung, Roberta Valenti, Cassandra Slader, Melissa Gao, Yeon Hee Park