Kangpu Biopharmaceuticals announced a phase I, multi-center, open-label study to evaluate the safety, tolerability, pharmacokinetics and preliminary evidence of antitumor activity of KPG-121 in combination with Enzalutamide in adult subjects with metastatic castration-resistant prostate cancer (mCRPC) has been launched in the United States.
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KPG-121 is a novel generation of Lenalidomide. Compared with Lenalidomide, KPG-121 has shown enhanced immunomodulatory activities and improved anti-angiogenic properties in the preclinical studies. Results from in vitro assays and in vivo studies of mCRPC animal xenograft models demonstrated that better efficacy was observed for KPG-121 compared to Lenalidomide, when combined with Enzalutamide, Abiraterone Acetate, Apalutamide or Darolutamide. In the combination studies with Enzalutamide, KPG-121 significantly improved anti-tumor efficacy when compared to Enzalutamide alone.