Heidelberg Pharma inks deal with HCRx worth up to $115 million

4 March 2024

German clinical-stage biotech Heidelberg Pharma (FSE: HPHA) developing innovative antibody-drug conjugates (ADCs) and HealthCare Royalty (HCRx) today announced the signing of a royalty financing agreement.

Formal closing conditions that are expected to be fulfilled in a timely manner must still be met. Heidelberg Pharma is eligible to receive up to $115 million from the sale of its future royalties from worldwide sales of Zircaix (TLX250-CDx), a microdose radiopharmaceutical Positron Emission Tomography (PET) imaging agent for the diagnosis and follow up of clear cell renal cancer.

Zircaix is a radiolabeled form of the antibody girentuximab which binds to the tumor-specific antigen CAIX on clear cell renal cell carcinomas. Zircaix also has potential as a PET diagnostic imaging agent for other tumor types.

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