ImmunoGen and Huadong Medicine Announce Strategic Collaboration to Develop and Commercialize Mirvetuximab Soravtansine in Greater China – BioSpace

Oct. 19, 2020 12:45 UTC

Partnership Accelerates Development Path for Mirvetuximab in Greater China and Expands Huadong Medicines Oncology Portfolio with Innovative ADC

Combines ImmunoGens Lead Clinical Program with Huadongs Regional Oncology Expertise

ImmunoGen to Receive $40 MillionUpfront Payment and is Eligible to Receive Up to $265 Million in Potential Development, Regulatory, and Commercial Milestone Payments

WALTHAM, Mass.--(BUSINESS WIRE)-- ImmunoGen Inc.. (Nasdaq: IMGN), a leader in the expanding field of antibody-drug conjugates (ADCs) for the treatment of cancer, and Hangzhou Zhongmei Huadong Pharmaceutical Co., Ltd., a wholly-owned subsidiary of Huadong Medicine Co., Ltd., today announced that the companies have entered into an exclusive collaboration to develop and commercialize mirvetuximab soravtansine in mainland China, Hong Kong, Macau, and Taiwan (Greater China). ImmunoGen will retain all rights to mirvetuximab in the rest of the world.

This collaboration provides ImmunoGen with access to the second largest pharmaceutical market in the world via Huadong Medicines development, regulatory, and commercial capabilities, while supporting Huadong Medicines growth strategy to build a deep portfolio of oncology, endocrinology, and autoimmunology candidates. Mirvetuximab adds a compelling late-stage oncology asset to Huadong Medicines portfolio.

"With extensive regional experience, the right development and regulatory capabilities, and access to a deep local network of hospitals and clinics across Greater China, Huadong Medicine is an ideal partner for us, said Mark Enyedy, ImmunoGens President and Chief Executive Officer. This collaboration reflects mirvetuximabs potential to deliver meaningful value to ovarian cancer patients as well as our ability to translate our work in ADCs into long-term relationships that create sustainable value for ImmunoGen and our partners. We look forward to working closely with Huadong Medicine to develop and commercialize mirvetuximab in Greater China as we advance the mirvetuximab program and prepare for the first potential commercial launch in the United States in 2022.

"ImmunoGen is a leader in the development of ADCs for the treatment of cancer and this partnership provides us with a late-stage asset that will enable us to further expand our pipeline of innovative oncology programs, said Liang Lu, Chairman of Huadong Medicine. The compelling clinical data generated to date highlights mirvetuximabs potential to be a promising therapy for an extremely difficult to treat disease and we look forward to beginning its development as we seek to meet the growing needs of ovarian cancer patients in Greater China."

Under the terms of the agreement, ImmunoGen will receive an upfront payment of $40 million and is eligible to receive additional milestone payments of up to $265 million as certain development, regulatory, and commercial objectives are achieved. ImmunoGen is also eligible to receive low double digit to high teen royalties as a percentage of mirvetuximab commercial sales by Huadong Medicine in Greater China.

Huadong Medicine will be responsible for the development as well as potential regulatory submissions and commercialization of mirvetuximab in Greater China pursuant to input from a joint steering committee comprised of individuals from both companies. Huadong Medicine will also have the opportunity to participate in global clinical studies of mirvetuximab conducted by ImmunoGen. ImmunoGen will continue to be responsible for the development and commercialization of mirvetuximab in the United States and other geographies.

ABOUT MIRVETUXIMAB SORAVTANSINE

Mirvetuximab soravtansine (IMGN853) is a first-in-class ADC comprising a folate receptor alpha (FR)-binding antibody, cleavable linker, and the maytansinoid DM4, a potent tubulin-targeting agent to kill the targeted cancer cells.

ABOUT IMMUNOGEN

ImmunoGen is developing the next generation of antibody-drug conjugates (ADCs) to improve outcomes for cancer patients. By generating targeted therapies with enhanced anti-tumor activity and favorable tolerability profiles, we aim to disrupt the progression of cancer and offer our patients more good days. We call this our commitment to target a better now.

Learn more about who we are, what we do, and how we do it at http://www.immunogen.com.

ABOUT HUADONG MEDICINE

Huadong Medicine Co., Ltd. (SZ.000963) is a leading Chinese pharmaceutical company based in Hangzhou, China. Founded in 1993, Huadong Medicine has fully integrated R&D, manufacturing, distribution, sales and marketing capabilities. Huadong Medicines product portfolio and pipeline are specialized in oncology, immunology, nephrology and diabetes. The Companys annual revenue in 2019 exceeded 5 billion USD. Huadong Medicine has 12,000 employees among which 1,000 are dedicated to R&D. Huadong Medicine possesses one of the most extensive commercial coverage and marketing capabilities in China. Patient Centered, Science Driven is Huadongs value. For additional information, please visit http://www.eastchinapharm.com/en.

FORWARD-LOOKING STATEMENTS

This press release includes forward-looking statements based on management's current expectations. These statements include, but are not limited to, ImmunoGens expectations related to: the occurrence, timing, and outcome of potential pre-clinical, clinical, and regulatory events related to ImmunoGens product candidates. For these statements, ImmunoGen claims the protection of the safe harbor for forward-looking statements provided by the Private Securities Litigation Reform Act of 1995. Various factors could cause ImmunoGens actual results to differ materially from those discussed or implied in the forward-looking statements, and you are cautioned not to place undue reliance on these forward-looking statements, which are current only as of the date of this release. Factors that could cause future results to differ materially from such expectations include, but are not limited to: the successful execution of the collaboration with Huadong and their development and commercialization efforts; the timing and outcome of ImmunoGens pre-clinical and clinical development processes; the difficulties inherent in the development of novel pharmaceuticals, including uncertainties as to the timing, expense, and results of pre-clinical studies, clinical trials, and regulatory processes; ImmunoGens ability to financially support its product programs; risks and uncertainties associated with the scale and duration of the COVID-19 pandemic and resulting impact on ImmunoGens industry and business; and other factors more fully described in ImmunoGens Annual Report on Form 10-K for the year ended December 31, 2019 and other reports filed with the Securities and Exchange Commission.

View source version on businesswire.com: https://www.businesswire.com/news/home/20201019005214/en/

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ImmunoGen and Huadong Medicine Announce Strategic Collaboration to Develop and Commercialize Mirvetuximab Soravtansine in Greater China - BioSpace

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