Yarrow Bioscience Announces Closing of Merger with VYNE Therapeutics and Initiation of Dosing in Phase 2a/2b Trial of YB-101, a Potential First-in-Class Treatment for Graves’ Disease and Thyroid Eye Disease
Yarrow Bioscience, Inc. (“Yarrow” or the “Company”) (Nasdaq: YARW), a clinical-stage biotechnology company focused on developing transformative therapies for autoimmune thyroid diseases, today announced the completion of its merger with VYNE Therapeutics Inc. (“VYNE”), and the previously announced private financings totaling approximately $200 million. The combined company will operate as Yarrow Bioscience, Inc., with its shares expected to begin trading on the Nasdaq Capital Market on Tuesday, July 28, 2026, under the ticker symbol “YARW.”
GenSci and RTW Investments Announce Strategic Partnership on Anti-TSHR Antibody GS-098 (YB-101) for Graves’ Disease and Thyroid Eye Disease, With Global Ex-China Development Being Led by Yarrow Bioscience
Shanghai Scizeng Medical Technology Co., LTD, a subsidiary of Changchun GeneScience Pharmaceutical Co., Ltd. (“GenSci”), RTW Investments, LP (“RTW”), and Yarrow Bioscience, Inc. (“Yarrow”) today announced an exclusive global ex-China license agreement for GS-098, a clinical-stage, first-in-class, humanized monoclonal antibody targeting the thyroid-stimulating hormone receptor (TSHR) for the treatment of Graves’ disease (GD) and thyroid eye disease (TED). Founded in 1997, GenSci – a subsidiary of Changchun High‑Tech Industries Co., Ltd (“Changchun High-Tech”) – is a fully integrated, leading biopharmaceutical company based in China with a broad innovative pipeline across endocrinology, immune & pulmonary, oncology, and women’s health as well as commercial leadership in recombinant human growth hormone (rhGH) products. Yarrow was founded to develop transformative therapies for autoimmune thyroid diseases and backed by RTW, a preeminent global, full life-cycle life sciences investment firm based in New York.
