Lysosomal storage diseases (LSDs) are diseases caused by defects in single-genes. Enzyme defects cause nearly seventy percent of the LSDs, and the rest are defects in enzyme activator or associated proteins. A gene on a particular chromosome locus transcribes a particular enzyme, improper enzyme-coding results in inactive enzymes. Similarly, defective activators result from mutations in activator genes. These conditions cause disease of the organs in which they accumulate and decide the clinical signs and symptoms. Infants and children suffer more severely compared to adults. The clinical features are unique in many children and adults for the same disease. For example, the child's developing brain is more susceptible to insults and manifests symptoms and signs of dysfunction, while this may be milder or absent in adults. Enzyme testing is usually the initial diagnostic test, but genetic analysis of the gene mutations adds precision. There are many modern therapeutic techniques for these conditions. When applied early before organ damage sets in, these therapies have the potential to prevent or delay damage, improve quality of life, and increase lifespan.
Market Dynamics
Increasing significance of lysosomal storage diseases, arrangement of awareness programs by governments and the launch of new products are attributed to the growth of the global lysosomal storage diseases therapeutics market. For instance, on May 11, 2023, Chiesi USA, Inc., a U.S. based pharmaceutical company announced that its product Elfabrio was approved by U.S. Food and Drug Administration. It uses the enzyme pegunigalsidase alfa for enzyme replacement therapy (ERT) to treat adults with confirmed Fabry disease.
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