Sutro Biopharma, Inc.
This study is a first-in-human (FIH) Phase 1 open-label, multicenter study including three parts: * Part 1A is a dose escalation of STRO-006 monotherapy in selected tumor types reported to commonly express ITGB6. Part 1A will determine the safety, tolerability, pharmacokinetics (PK), and preliminary anti-tumor activity of STRO-006. * Part 1B is a dose expansion in one or more indications, as determined by the Sponsor, to further evaluate a STRO-006 monotherapy dose, examine anti-tumor activity, and determine the recommended Phase 2 dose (RP2D) of STRO-006 monotherapy. * Part 1C is a combination dose escalation to determine safety, tolerability, PK, and preliminary anti-tumor activity of STRO-006 combined with pembrolizumab.
Inclusion Criteria: * Histologically or cytologically documented refractory solid tumors that are recurrent or metastatic including: HNSCC (excluding EBV-positive nasopharyngeal carcinoma), NSCLC, esophageal/gastric cancer, colorectal cancer, endometrial carcinoma, urothelial carcinoma, and breast cancer (HR-positive \[HER2-positive or HER2-negative\] and TNBC subtype) * Age ≥ 18 years * Life expectancy of at least 3 months * Willingness and ability to comply with the study protocol and long * Eastern Cooperative Oncology Group (ECOG) performance status 0 to 1-term follow-up (LTFU) assessment…
IV infusion
IV infusion