GSK acquires exclusive rights from Syndivia for ADC

28 October 2025

UK pharma major GSK (LSE: GSK) and private French biotech Syndivia company, which is focused on next-generation antibody-drug conjugate (ADCs), today announced an agreement granting GSK exclusive worldwide rights to develop and commercialize a pre-clinical ADC for metastatic castration-resistant prostate cancer (mCRPC).

The deal keeps the spotlight on ADCs, which featured strongly at this month's ESMO conference. From Roche’s (ROG: SIX) $1.4 billion licensing deal to AstraZeneca’s (LSE: AZN) presidential symposium and an avalanche of clinical readouts, the sector everywhere at the meeting. A number of other drugmakers have also been buying into the sector.

Forecasts predict the market for ADCs will expand significantly, with some projecting it to reach over $29 billion by 2032 and others as high as $51.2 billion by 2033, driven by an increasing number of approved drugs and their application in oncology.

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