Mucopolysaccharidosis type IV (MPS IV) is a rare disease in which the body is missing or does not have enough of an enzyme needed to break down long chains of sugar molecules. These chains of molecules are called glycosaminoglycans (formerly called mucopolysaccharides). It is caused by a deficiency in the enzymes N-acetylgalactosamine-6-sulfatase (GALNS) or beta-galactosidase which is responsible for breaking down keratan sulfate and chondroitin sulfate. The accumulation of these sugars in cells, tissues, and organs can lead to skeletal dysplasia, short stature, joint abnormalities, and respiratory issues like airway obstruction, heart defects, hearing loss, and corneal opacity. There is no cure for MPS-IV and the treatment options are limited to symptom management. However, enzyme replacement therapy (ERT) and hematopoietic stem cell transplant (HSCT) have shown some success in management of symptoms and improvement in quality of life for patients. MPS IV is an inherited disorder. This means, it is typically passed down through families. If both parents carry a nonworking copy of a gene that is related to this condition, each of their children has a 25% (1 in 4) chance of developing the disease. This is called an autosomal recessive trait.
Market Dynamics:
Global morquio syndrome (MPS-IV) drug market is primarily driven by the rising prevalence of this rare genetic disorder, growing awareness about available treatment options and strong pipeline drugs with novel mechanisms of action. However, high cost of therapy due to rarity of disease as well as challenges that are associated with production of recombinant enzymes are some of the factors restraining the market growth. Nonetheless, development of improved treatment modalities, increasing research funding for rare diseases and orphan drug designation providing market exclusivity offers lucrative opportunities for the key market players in this market.
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