Reported Sunday, Zymeworks Presents Phase 1 Data For ZW191 ADC Showing 78.6% cORR In FRα-Positive And 47.4% In FRα-Negative Platinum-Resistant Ovarian Cancer Patients At ESMO 2026
Zymeworks Inc.
Zymeworks Inc. ZYME | 0.00 |
- ZW191 demonstrates compelling anti-tumor activity in platinum-resistant ovarian cancer patients regardless of FRα expression level
- Confirmed objective response rate (cORR) of 78.6% in FRα-positive (≥75% at PS2+) platinum-resistant ovarian cancer patients and 47.4% in FRα-negative patients (<75% at PS2+) across all dose levels studied
- Median duration of response was not reached at the time of data cutoff, and median progression-free survival was 7.6 months across ovarian and endometrial cancer cohorts
- Patient recruitment in dose optimization cohorts completed, with favorable tolerability profile and broad therapeutic window supporting continued clinical development
