On February 2, 2024 HUTCHMED (China) Limited ("HUTCHMED") (Nasdaq/AIM:HCM; HKEX:13) reported that, Inmagene Biopharmaceuticals ("Inmagene") has exercised options to license two drug candidates discovered by HUTCHMED, IMG-007 and IMG-004 (the "Options") pursuant to the terms of the strategic partnership announced on January 11, 2021 (Press release, Hutchison China MediTech, FEB 2, 2024, View Source [SID1234639817]). Following the exercise of the Options and subject to receipt by HUTCHMED of ordinary shares representing approximately 7.5% of shares (fully diluted) in Inmagene, Inmagene will be granted an exclusive license to further develop, manufacture and commercialize these two drug candidates worldwide.
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As part of the partnership, HUTCHMED granted Inmagene exclusive options to multiple drug candidates solely for the treatment of immunological diseases. Since the execution of the Option agreement, Inmagene has funded and led two of these candidates, IMG-004 and IMG-007, to clinical development. For each of the drug candidates, IMG-004 and IMG-007, HUTCHMED is entitled to receive potential payments subject to the achievement of development milestones of up to US$92.5 million and subject to the achievement of commercial milestones of up to US$135 million, as well as royalties upon commercialization.
In 2023, Inmagene initiated two global Phase IIa clinical trials in adults with moderate-to-severe atopic dermatitis and in adults with alopecia areata, with the investigational OX40 antagonistic monoclonal antibody (mAb) IMG-007. It also completed a Phase I single ascending dose (SAD) study of IMG-004, a reversible, non-covalent, highly selective oral BTK inhibitor designed to target immunological diseases.
Dr Weiguo Su, Chief Executive Officer and Chief Scientific Officer of HUTCHMED, said: "This is an important step for the progress of these two drug candidates in immunological diseases and demonstrates the potential of the candidates discovered by HUTCHMED. The success of this strategic partnership provides further validation of HUTCHMED’s in-house R&D engine and our collaborative approach to developing some of our innovative drug candidates. We look forward to continuing our partnership with Inmagene and seeing the impact these drug candidates could have for patients with immunological diseases."