Globenewswire·2025-09-24 12:45Core Insights - Akari Therapeutics has announced promising preclinical data for its novel antibody drug conjugate (ADC) payload, PH1, which targets the AR-V7 receptor linked to hormone refractory prostate cancer progression [1][2][3] Group 1: Product Development - PH1 has shown the ability to suppress AR-V7 receptor expression in a hormone-refractory metastatic castration resistant prostate cancer (mCRPC) model, indicating its potential effectiveness where current therapies fail [3] - In hormone-sensitive LnCAP cells, PH1 demonstrated single-agent benefits and additive effects when combined with existing therapies like Xtandi and Erleada, suggesting potential for first-line combination regimens [4] - The company aims to develop PH1 ADCs as either first-line therapies with ARPIs or second-line therapies for patients who have failed ARPI treatments [5] Group 2: Market Context - There is a significant unmet need for effective therapies in ARPI-resistant hormone refractory prostate cancer, as current options are limited primarily to traditional chemotherapy [2] - Current first-line therapies, including enzalutamide (Xtandi), apalutamide (Erleada), and darolutamide (Nubeqa), have substantial annual sales, indicating a lucrative market for effective alternatives [2] Group 3: Company Overview - Akari Therapeutics specializes in developing next-generation spliceosome payload ADCs, with its lead candidate, AKTX-101, targeting the Trop2 receptor and utilizing a novel PH1 payload [6] - The company’s innovative ADC discovery platform allows for the generation and optimization of ADC candidates tailored to specific targets, enhancing its competitive edge in oncology [6][7]