MorphoSys and I-Mab jointly announced the U.S. Food and Drug Administration (FDA) has cleared the Investigational New Drug application (IND) for MorphoSys' investigational human anti-C5aR1 antibody MOR210/TJ210 for the treatment of relapsed or refractory advanced solid tumors. The phase 1 clinical trial, designed to evaluate the safety, tolerability, pharmacokinetics and pharmacodynamics of MOR210/TJ210, may proceed and is expected to commence subsequently.
MOR210/TJ210 is a highly differentiated monoclonal antibody that is directed against complement factor C5a receptor 1 (C5aR1). Tumor and stromal cells produce C5a that attracts immunosuppressive cell types such as myeloid-derived suppressor cells (MDSCs), M2 macrophages and neutrophils through C5aR1 expressed on their surface, contributing to a hostile tumor microenvironment towards T cells. MOR210/TJ210 is thought to block the interaction between C5a and C5aR1 by binding to C5aR1 and retard the migration of suppressor cells. It has been shown to exert strong anti-tumor activity in combination with immune checkpoint inhibitors in preclinical studies.
“MOR210/TJ210 has demonstrated encouraging results in preclinical studies. We look forward to progressing MOR210/TJ210 into clinical studies which will enable us to characterize the safety and tolerability of MOR210/TJ210, as well as its potential clinical benefits in patients with cancers,” said Dr. Joan Shen, Chief Executive Officer of I-Mab.
“The FDA clearance of the IND application to initiate a Phase 1 clinical trial of MOR210/TJ210 is an important step forward in developing a new treatment for patients with advanced cancer,” said Dr. Malte Peters, Chief Research & Development Officer of MorphoSys. "We look forward to joining forces with I-Mab in developing highly innovative treatments in oncology and are pleased to support our partner during this significant phase."
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MorphoSys and I-Mab entered into an exclusive strategic collaboration and licensing agreement to develop and commercialize MOR210/TJ210 in November 2018. Under the terms of agreement, I-Mab receives exclusive rights to develop and commercialize MOR210/TJ210 in Greater China and South Korea, while MorphoSys retains rights in other parts of the world. With support from MorphoSys, I-Mab will also fund and conduct all global development activities of MOR210/TJ210, including clinical trials in China and the U.S., towards clinical proof-of-concept (PoC) in oncology.
The two companies are also collaborating on MorphoSys' investigational human CD38 antibody MOR202/TJ202. I-Mab owns the exclusive rights for development and commercialization in mainland China, Taiwan, Hong Kong and Macao and started two registrational trials to evaluate MOR202/TJ202 in patients with relapsed or refractory multiple myeloma in 2019.
MOR210 is a novel human antibody directed against C5aR derived from MorphoSys's HuCAL Platinum® technology. C5aR, the receptor of the complement factor C5a, is investigated as a potential new drug target in the field of immuno-oncology and autoimmune diseases. Tumors have been shown to produce high amounts of C5a, which, by recruiting and activating myeloid-derived suppressor cells (MDSCs), M2 macrophages and neutrophils, is assumed to contribute to an immune-suppressive pro-tumorigenic microenvironment. MOR210/TJ210 is intended to block the interaction between C5a and its receptor, thereby potentially neutralizing the immune suppressive function and enabling immune cells to attack the tumor.