Sutro Biopharma, Inc.
Dr. Amit Oza
Inclusion Criteria:
1. High grade serous epithelial ovarian cancer, fallopian tube or primary peritoneal
cancer
2. Age ≥ 18 years
3. ECOG performance status 0 to 1
4. Positive FOLR1 expression per central laboratory testing
5. Relapsed platinum-resistant epithelial ovarian cancer and received a total of 1 to 3
prior regimens
6. Prior bevacizumab treatment is required, if labeled and available as standard of
care per institutional guidelines, unless subject has documented contraindication
7. At least 1 measurable target lesion per RECIST v1.1
8. Adequate organ function
Exclusion Criteria:
1. Low grade (Grade 1) ovarian carcinoma, clear cell, mucinous, endometrioid,
sarcomatous, and mixed histology ovarian carcinomas
2. Prior treatment with a FOLR1- targeting ADCs or with ADCs that contain a tubulin
inhibitor
3. Primary platinum-refractory disease
4. History of severe allergic or anaphylactic reactions to monoclonal antibody therapy
or to antibody-related fusion protein treatment
5. Pre-existing clinically significant ocular disorders, severe chronic obstructive
pulmonary disease or asthma, clinically significant cardiac or cerebrovascular
disease, or other significant concurrent, uncontrolled medical condition
6. Previous solid organ transplantation
7. History or clinical signs of meningeal or active central nervous system involvement
8. Concurrent participation in another therapeutic treatment trial
