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Heidelberg Pharma granted orphan drug designation by FDA for its proprietary ATAC candidate HDP-101

EQS-News: Heidelberg Pharma AG / Key word(s): Miscellaneous Heidelberg Pharma granted orphan drug designation by FDA for its proprietary ATAC candidate HDP-101 27.03.2024 / 09:01 CET/CEST The issuer is solely responsible for the content of this announcement. PRESS RELEASE

Heidelberg Pharma granted orphan drug designation by FDA for its proprietary ATAC candidate HDP-101

Ladenburg, Germany, 27 March 2024 – Heidelberg Pharma AG (FSE: HPHA), a clinical stage biotech company developing innovative Antibody Drug Conjugates (ADCs), is pleased to announce that the US Food and Drug Administration (FDA) has granted Orphan Drug Designation (ODD) for the treatment of multiple myeloma to its lead candidate HDP-101. Heidelberg Pharma is investigating the candidate in a clinical Phase I/IIa study for the treatment of relapsed/refractory multiple myeloma (RRMM).

HDP-101 is an antibody-drug conjugate, that consists of an anti-BCMA antibody, a specific linker and the Amanitin toxin. BCMA (B-cell maturation antigen) is a surface protein that is highly expressed in multiple myeloma cells and to which BCMA antibodies specifically bind.

Prof. Dr. Andreas Pahl, Chief Executive Officer at Heidelberg Pharma, commented: “We are delighted that our proprietary ATAC candidate HDP-101 has been granted Orphan Drug Designation by the FDA, providing further validation of its potential benefit as a therapeutic for patients with multiple myeloma. This indication represents a major unmet medical need where new, more effective therapies are urgently required. Orphan Drug Designation will provide us with several important benefits, including a potential seven-year marketing exclusivity upon HDP-101 receiving approval from the FDA.”

Orphan Drug Designation is granted for a drug or biological product that is intended for the prevention, diagnosis, or treatment of rare diseases or disorders that affect fewer than 200,000 people in the US. The designation provides significant incentives to promote the development of the drug including tax credits for qualified clinical trials, prescription drug user-fee exemptions, and potential seven-year marketing exclusivity upon FDA approval.