pyrotinib combined with SHR6390 in the treatment of refractory advanced HER2 positive gastric cancer or solid tumors (NCT03480256)...19 pts (14 gastric cancer, 3 colorectal cancer, 2 other solid tumors) were enrolled...overall response rate was 38.9%, with 7 PR (A: n = 3; E: n = 2; F: n = 2) and 7 SD. The median PFS was 3.83 months, with 2 pts received treatment over 12 months (A: n = 1; F: n = 1). Pyrotinib combined with SHR6390 had shown acceptable safety profile and encouraging efficacy in refractory advanced HER2 positive solid tumors.