Polaryx Therapeutics Receives Both Rare Pediatric Disease and Orphan Drug Designations for the Treatment of GM2 Gangliosidosis With PLX-300

IndustryPRwire -- Polaryx Therapeutics announced that it has received from the U.S. Food and Drug Administration (FDA) both Rare Pediatric Disease and Orphan Drug designations for the treatment of GM2 gangliosidosis with PLX-300.

GM2 gangliosidosis, also known as Tay-Sachs and Sandhoff diseases, are ultra-rare and fatal pediatric neurodegenerative disorders caused by defects in Hexosaminidase A (HEXA) and Hexosaminidase B (HEXB), key enzymes in the lysosome, respectively. These genetic defects lead to abnormal accumulation of gangliosides, resulting in severe progressive neurodegeneration, seizures, loss of mobility, hearing, and vision, and early death. There is no cure for these diseases and the only treatment is supportive care.

Under the FDA's rare pediatric disease designation program, the FDA grants Rare Pediatric Disease designation for serious or life-threatening diseases with patients aged from birth to 18 years which affects fewer than 200,000 people in the U.S. If a new drug application (NDA) for PLX-300 is approved, the Company is eligible to receive a priority review voucher that may be sold or transferred to others. In addition, because orphan drug designation has been granted to PLX-300 for GM2 gangliosidosis from the FDA, the Company can receive the FDA's expedited review and approval process.

Dr. Hahn-Jun Lee, M.Sc., Ph.D., President and CEO of Polaryx Therapeutics Commented "We are very excited to receive both rare pediatric disease and orphan drug designations from the FDA for the treatment of GM2 gangliosidosis with PLX-300. These designations clearly demonstrate the translational excellence of the PLX-300 from bench to bedside. We are now doing required preclinical studies in order to enter into Phase1/2 studies as soon as possible."

Alex Yang, J.D., LLM, President and CEO of Mstone Partners Hong Kong and Chair of the Board at Polaryx Therapeutics Commented "We are making tremendous steps towards developing several promising drugs to treat a number of highly unmet diseases affecting the lysosomal enzymes in the brain. On top of the recent commencement of other lysosomal storage disorders, we will also make every effort to bring the effective drugs for children suffering from these life-threatening diseases."

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