Investigational Enzyme Replacement Therapy to Treat Non-Neurological Manifestations which characterize Niemann-Pick Type B
PARIS, 5-6-2015 — /EuropaWire/ — Sanofi and its subsidiary Genzyme announced today that the U.S. Food and Drug Administration (FDA) has granted Breakthrough Therapy designation to olipudase alfa. This enzyme replacement therapy is being investigated for the treatment of patients with nonneurological manifestations of acid sphingomyelinase deficiency (ASMD), also known as Niemann-Pick disease Type B, as opposed to type A which is characterized by neurological involvement. ASMD is a serious and life-threatening disorder caused by insufficient activity of the enzyme acid sphingomyelinase (ASM), which results in toxic accumulation of sphingomyelin. There are currently no approved treatment options for patients with Niemann-Pick Type B.
Breakthrough Therapy designation is intended to expedite the development and review of investigational new drugs that target serious or life-threatening conditions. The criteria for granting Breakthrough Therapy designation are preliminary clinical evidence of substantial improvement on a clinically significant endpoint over available therapies. The Breakthrough Therapy designation is distinct from the FDA’s other mechanisms to expedite drug development and review, and will allow for a close collaboration between Genzyme and the FDA on the olipudase alfa development program.
Olipudase alfa is being developed by Genzyme to potentially address the fundamental defect underlying the disease. Supplementing the defective or deficient native enzyme with olipudase alfa allows for the breakdown of sphingomyelin, whose accumulation is responsible for the clinical manifestation of ASMD.
The Breakthrough Therapy designation is supported by data from a completed Phase 1b study of olipudase alfa. Findings in five adult patients with nonneuronopathic ASMD were presented at the Lysosomal Disease Network’s WORLD Symposium in February 2015. The data presented on the repeat-dose safety, pharmacodynamics, and exploratory efficacy of olipudase alfa support its continued development for the investigational use in nonneurological manifestations of ASMD.
The company has started enrollment of a Phase 1/2 pediatric study and is preparing for enrollment of a Phase 2/3 adult study in the second half of 2015. For more information please visit http://clinicaltrials.gov.
“There is tremendous unmet need in the ASMD/Niemann-Pick Type B community, and we are hopeful that olipudase alfa can be developed into a meaningful treatment for patients,” said Genzyme’s Global Head of Rare Diseases, Richard Peters, MD, Ph.D. “We appreciate FDA’s support for this important program giving us the opportunity to utilize an important expedited drug development pathway for olipudase alfa and providing hope for patients affected with a chronic and progressively debilitating disease.”
About ASMD (Niemann-Pick Disease)
Traditionally called Niemann-Pick Disease types A and B (NPD A and NPD B), Acid Sphingomyelinase Deficiency (ASMD) is one of a group of lysosomal storage diseases that affect the metabolism and that are caused by genetic mutations. ASMD is caused by the deficiency of a specific enzyme, acid sphingomyelinase (ASM). This enzyme is found in special compartments within cells called lysosomes and is required to metabolize a lipid called sphingomyelin. If ASM is absent or not functioning properly, sphingomyelin cannot be metabolized properly and is accumulated within the cell, eventually causing cell death and the malfunction of major organ systems. Niemann-Pick A and Niemann-Pick B are both caused by the same enzymatic deficiency and there is growing evidence that the two forms represent opposite ends of a continuum.
About Genzyme, a Sanofi Company
Genzyme has pioneered the development and delivery of transformative therapies for patients affected by rare and debilitating diseases for over 30 years. We accomplish our goals through world-class research and with the compassion and commitment of our employees. With a focus on rare diseases and multiple sclerosis, we are dedicated to making a positive impact on the lives of the patients and families we serve. That goal guides and inspires us every day. Genzyme’s portfolio of transformative therapies, which are marketed in countries around the world, represents groundbreaking and life-saving advances in medicine. As a Sanofi company, Genzyme benefits from the reach and resources of one of the world’s largest pharmaceutical companies, with a shared commitment to improving the lives of patients. Learn more at www.genzyme.com.
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