On July 1, 2020 EpicentRx Inc. ("EpicentRx"), a San Diego-based clinical cancer immunotherapy company and SciClone Pharmaceuticals International Ltd., ("SciClone") reported that they have entered into a licensing agreement for RRx-001, a small molecule immunotherapy targeting CD47 – SIRPα with ongoing Phase III trial in Small Cell Lung Cancer ("SCLC") (Press release, EpicentRx, JUL 1, 2020, View Source [SID1234561624]).
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Under the terms of the agreement, SciClone will obtain exclusive licensing rights to co-develop and commercialize RRx-001, for the treatment of cancer in humans, within Greater China territory, including mainland China, Hong Kong, Macau and Taiwan. SciClone will be responsible for development, product registration and commercialization in these territories. Per the agreement, SciClone will pay EpicentRx an undisclosed upfront payment and conditionally agrees to invest in EpicentRx this year. EpicentRx will be eligible to receive an aggregate amount of up to $120 million upon achieving certain development, approval, and commercial milestones. In addition, EpicentRx is eligible to receive double-digit royalties in the Greater China territory. SciClone has the option to solely develop RRx-001 for Hepatocellular Carcinoma indication in Greater China, and is eligible to receive royalties from EpicentRx upon the approval of such indication in EpicentRx’s territory.
"SciClone is a dynamic, innovative and forward-thinking company with whom we have excellent personal chemistry and are fully aligned as we seek to improve cancer outcomes in the US, China and around the world," said Tony Reid, CEO of EpicentRx.
"This agreement marks our next phase of growth, expanding development of our Phase 3 study as a global trial and strengthening the company financially to support a number of exciting programs," added EpicentRx’s CFO, Franck Brinkhaus.
"RRx-001 was initially identified and sourced from the aerospace industry and has been developed by EpicentRx as a novel first-in-class therapy. This small molecule drug acts to normalize the tumor microenvironment, activate the tumor associated macrophages (TAMs) of the innate immune system, and sensitize solid tumors to standard therapies," said Hong Zhao, President and Chief Executive Officer of SciClone. "We are excited to partner with EpicentRx team to develop and commercialize RRx-001 for the treatment of various types of cancer. This strategic partnership recognizes SciClone’s capability as a leading biotech company with integrated platform of development and commercialization."
RRx-001 is a well-tolerated next generation small molecule immunotherapeutic that targets the CD47 – SIRPα axis and repolarizes tumor associated macrophages (TAMs) and other immunosuppressive cells in the tumor microenvironment to an immunostimulatory phenotype as well as improves tumor blood flow to enhance oxygen supply and drug delivery. As an immunotherapeutic with a non-overlapping mechanism of action and the potential to convert "treatment-resistant" tumors into "treatment sensitive" tumors, RRx-001 may be used as monotherapy or in combination with chemotherapy, immunotherapy, radiation and targeted agents. RRx-001 is currently a Phase 3 trial called REPLATINUM trial for the treatment of third-line and beyond SCLC. Clinical studies for the drug have also been conducted for the treatment of colorectal cancer, brain metastases and glioblastoma and are planned in leukemia and myelodysplastic syndrome.