Patent 7879358 was granted and assigned to Alkermes (company) on February, 2011 by the United States Patent and Trademark Office.
In one aspect, the invention is related to a method of treating a patient with Parkinson's disease, the method including administering to the respiratory tract of the patient particles that include more than about 90 weight percent (wt %) of levodopa. The particles are delivered to the patient's pulmonary system, preferably to the alveoli or the deep lung.