Parkinson's Disease Therapeutics in Major Developed Market Size, Share, Growth and Treatment

Summary

Parkinson's Disease (PD) is a progressive, chronic neurodegenerative condition, which is currently incurable. It is associated with old age, and characterized by the loss of neurons in the substantia nigra region of the brain. The global Parkinson's Disease (PD) prevalence was estimated at 16.1 million in 2011, and after Alzheimer's disease it is the second most common neurodegenerative disease worldwide.

Parkinson's Disease (PD) is a progressive disease and, although not fatal, it can develop severe symptoms and complications that significantly impact upon the patient's quality of life. Symptoms for each stage can be categorized into early, moderate and advanced stages. Major motor symptoms of Parkinson's Disease (PD) include tremors and difficulty walking. Parkinson's Disease (PD) also gives rise to non-motor symptoms, such as dementia, depression, hallucinations and loss of taste and smell.

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There are several different drug classes available to relieve Parkinson's Disease (PD) symptoms. The aim is for treatments to increase dopamine levels, which is substantially diminished in brains affected by Parkinson's Disease (PD). The most common therapies include levodopa, dopamine agonists and Monoamine Oxidase-B (MAO-B) inhibitors, with the choice of therapies dependent on patient symptoms and lifestyle. As the disease develops, the medication will need to be taken more strictly, due to the effect of drugs wearing off (known as off- time), which causes symptoms to return before the next dose.

With the current marketed drugs focusing primarily on symptomatic relief, Parkinson's Disease (PD) remains incurable, with a huge unmet need for disease-modifying therapies. However, due to the lack of clearly established clinical trial methodologies, replication of the benefits demonstrated by neuroprotective agents in the...