Evaluation of a Biomarker Related to the GI Tract for the Diagnosis of Parkinson's Disease

Exclusion Criteria

• •Treatment with medications that may induce parkinsonism (metoclopramide, typical, or atypical antipsychotic agents)
• •Known diagnosis of inflammatory bowel disease.
• •Symptomatic functional GI disease that significantly impairs intestinal mobility such as scleroderma or use of GI motility drugs.
• •Acute illness requiring immediate hospitalization.
• •Presence of short bowel syndrome or severe malnutrition with ideal body weight \< or = 90%
• •Presence of Parkinson's disease or its symptoms.
• •Treatment with medications that may induce parkinsonism (metoclopramide, typical, or atypical antipsychotic agents)
• •Known diagnosis of inflammatory bowel disease.
• •Symptomatic functional GI disease that significantly impairs intestinal mobility such as scleroderma or use of GI motility drugs.
• •Acute illness requiring immediate hospitalization.
• •Presence of short bowel syndrome or severe malnutrition with ideal body weight \< or = 90%