Bayer begins Phase I study targeting GPC3 with alpha radiopharmaceutical in advanced hepatocellular carcinoma patients
Berlin: Bayer has announced the initiation of a Phase I clinical trial with 225Ac-GPC3 (BAY 3547926), an investigational targeted alpha radiopharmaceutical being developed to treat tumors expressing Glypican-3 (GPC3) in patients with advanced hepatocellular carcinoma (HCC).
Oncofetal protein GPC3 is a membrane-associated proteoglycan which is overexpressed in 70-75% of HCC lesions making it an attractive target for targeted radionuclide therapy.The first-in-human, dose escalation study (NCT06764316) will evaluate the safety, tolerability and preliminary efficacy of BAY 3547926 alone, and as a combination therapy in patients with advanced HCC.
“Hepatocellular carcinoma continues to be a devastating disease for millions of patients and a pressing unmet need in cancer care. The launch of the Phase I trial using the 225Ac-GPC3 radionuclide therapy marks an important milestone in our commitment to develop new medicines targeting cancer cells with high effect size and precision to improve the lives of people living with cancer,” said Dominik Ruettinger, M.D., Ph.D., Global Head of Research and Early Development for Oncology at Bayer’s Pharmaceuticals Division. “Through continued research innovation we can unlock the full potential of targeted alpha therapies which is an emerging class of targeted radionuclide therapy and a strategic focus area for Bayer’s precision oncology development portfolio.”
Liver cancer, including hepatocellular carcinoma, is the third leading cause of cancer-related deaths in the world with almost 900,000 new cases annually. It is the most rapidly growing cause of cancer deaths in the US accounting for approximately 2% of new cases and 5% of cancer deaths. Despite recent scientific advancements, most patients do not experience durable therapeutic benefits from the currently available treatments.
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