BBP-954

GPX4 inhibitor for multiple tumors

estimated prevalence

>500,000

Disease

Multiple tumors

Clinical Phase

Pre-clinical

Modality

small molecule

GPX4 neutralizes toxic free radicals at the lipid membrane, protecting cells from death by ferroptosis. BridgeBio is developing covalent inhibitors of GPX4 designed to induce ferroptosis in cancer cells. BridgeBio has entered into a strategic collaboration with Helsinn to co-develop and co-commercialize a potentially first-in-class inhibitor designed to target glutathione peroxidase 4 (GPX4) with the hope of providing an effective new therapy for patients with difficult-to-treat tumors. Our approach has demonstrated monotherapy activity, reducing tumor volume in a mouse xenograft model of renal cell carcinoma. Recent high profile publications provide preclinical in vivo rationale for monotherapy and combinations with immuno-oncology agents, kinase inhibitors, and chemotherapy. Optimization of oral lead compounds is ongoing.

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