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Press release June 14, 2026

Zymeworks Presents New Phase 1 Data for Folate Receptor Alpha-Targeting ADC ZW191 at ESMO Gynaecological Cancers Congress 2026

Zymeworks Inc. (ZYME)

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 (
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