AbbVie Partnership On CD71 Gives CytomX Big Upfront, Co-Promotion Potential

Deal to target antibody-drug conjugate concludes busy week in cancer partnering for AbbVie.

Antibody-drug conjugates have taken a back seat to cancer immunotherapy as the hot modality in oncology of late, but AbbVie Inc. and CytomX Therapeutics Inc. unveiled a partnership April 20 to develop an ADC targeting CD71 that the latter company is calling a further validation of its Probody technology platform.

AbbVie is paying $30m up front to co-develop and potentially co-commercialize a Probody-drug conjugate against CD71, also known as transferrin...

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