Mersana Therapeutics Announces Option Agreement with GSK for the Co-Development and Commercialization of XMT-2056, an Immunosynthen ADC Targeting HER2
Under the terms of the agreement, Mersana will receive an upfront option purchase fee of $100 million.
- Under the terms of the agreement, Mersana will receive an upfront option purchase fee of $100 million.
- Mersana also is eligible to receive up to $1.36 billion in the form of an option exercise payment and development, regulatory and commercial milestone payments if GSK exercises its option.
- If it exercises its profit-share option, Mersana will be eligible to receive tiered royalties on net sales outside of the United States.
- Mersanas earlier stage programs include XMT-1660, a Dolasynthen ADC targeting B7-H4, and XMT-2056, an Immunosynthen ADC targeting a novel epitope of human epidermal growth factor receptor 2 (HER2).