SAN DIEGO, Oct. 13, 2021 (GLOBE NEWSWIRE) -- Sorrento Therapeutics, Inc. (Nasdaq: SRNE, "Sorrento") previously announced that its partner Escugen Biotechnology Co, Ltd. (“Escugen”) and Sorrento’s subsidiary Levena (Suzhou) Biopharma Co., Ltd. (“Levena”) had received an approval letter from the Center for Drug Evaluation (CDE) of the National Medical Products Administration (NMPA) for its Application for Clinical Trial (Acceptance No. CXSL2101069) of Recombinant Humanized Anti-Trop2 Mab-SN38 Conjugate. Today Sorrento announces that the US FDA has given clearance to proceed with clinical trials in cancer patients with relapsed or refractory solid tumors.