Synthon Biopharmaceuticals announces promising results with its antibody-drug conjugate program

Published on January 22, 2013 at 6:22 AM · No Comments

Synthon Biopharmaceuticals, a subsidiary of specialty pharma company Synthon, has reported promising results with its lead program of antibody-drug conjugates (ADCs). In pre-clinical xenograft studies using patient-derived breast cancer and non-small-cell lung cancer material, Synthon has reported complete tumor remission. Toxicity experiments conducted to-date have revealed Best-in-Class potential with a greatly improved therapeutic index compared to other armed antibodies, due to an impressive safety profile. The company has also opened a state-of-the-art GMP facility in Nijmegen for the production of ADCs up to phase III clinical trials and early launches.

“We strongly believe that advancing this second generation ADC technology will lead to a new class of effective, targeted medicines in oncology. Our GMP plant will also accelerate future patient access to oncology products based on this pioneering technology.”

ADCs are a new type of targeted therapy that combines a specific anti-cancer antibody or antibody fragment linked to a potent anti-cancer therapeutic. The aim for this class of therapy is to combine better tumor penetration and killing properties with lower side effects for cancer patients.

Dr. Marco Timmers, chief scientific officer at Synthon Biopharmaceuticals said: "Synthon's first ADC program incorporates the HER2-binding antibody trastuzumab. The primary objective is to develop a broad therapeutic spectrum by targeting tumors that over-express HER2, such as metastatic breast cancer and non-small-cell lung cancer. As a result of our unique linker-drug technology, this ADC program is delivering on its promise and giving us exciting preclinical results with the opportunity to become a Best-in-Class therapy."

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