Gilead exercises option for Assembly Bio's herpes treatment programs

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Gilead Sciences Exercises Option to License Assembly Biosciences’ Helicase-Primase Inhibitor Programs for Recurrent Genital Herpes

December 22, 2025 8:00 AM UTC

Weekly Oral Helicase-Primase Inhibitor Programs' Early Data Potentially Supportive of First New Treatment for Recurrent Genital Herpes in 25 Years

FOSTER CITY, Calif. & SOUTH SAN FRANCISCO, Calif.--(BUSINESS WIRE)-- Gilead Sciences, Inc. (Nasdaq: GILD) and Assembly Biosciences, Inc. (Nasdaq: ASMB), today announced Gilead has exercised its combined option to exclusively license Assembly Bios herpes simplex virus (HSV) helicase-primase inhibitor programs, including long-acting investigational candidates ABI-1179 and ABI-5366 for recurrent genital herpes. These represent the first programs Gilead will advance under the ongoing Assembly Bio... More