A Study to Assess Safety and Tolerability of Oral AZD3241 in Patients With Parkinson's Disease

A Phase IIa, 12 Week, Multicentre, Double-Blind, Randomized, Placebo-Controlled, Parallel-Group Study to Assess the Safety and Tolerability of Oral AZD3241 in Patients With Parkinson's Disease

This is a study where AZD3241 or placebo is given to patients with Parkinson's disease in a blinded and randomized assignment. The main objective is to see if safety and tolerability of the drug is acceptable.

A Phase IIa, 12 Week, Multicentre, Double-Blind, Randomized, Placebo-Controlled, Parallel-Group Study to Assess the Safety and Tolerability of Oral AZD3241 in Patients with Parkinson's Disease

Inclusion Criteria:

• Each patient must be able and willing to provide signed and dated informed consent prior to the study.
• Female and male patients aged 30 to 80 years at the day of enrollment (Visit 1).
• Patients must meet the criteria for "Diagnosis of idiopathic Parkinson's disease" according to the UKPDS Brain Bank criteria (Hughes et al 1992).
• Have a modified Hoehn and Yahr stage 1-2.5.
• Having no treatment for Parkinson's disease and have no need to add anti-Parkinson's disease treatment during the 14 weeks of study OR are on stable anti-Parkinson's disease medication.

Exclusion Criteria:

• Diagnosis is unclear or a suspicion of other Parkinsonian syndromes exists, such as secondary Parkinsonism (caused by drugs, toxins, infectious agents, vascular disease, trauma, brain neoplasm), Parkinson-plus syndromes or heredodegenerative diseases.
• Have undergone surgery for the treatment of Parkinson's disease (eg, pallidotomy, deep brain stimulation, fetal tissue transplantation) or have undergone any other brain surgery at any time, even for non-Parkinson's disease conditions.
• Presence of dyskinesias, motor fluctuations, swallowing difficulties or loss of postural reflexes, defined as scoring 2 or more on item 30 of the UPDRS.
• Current/history of psychiatric diagnosis of acute psychotic disorder or other primary psychiatric diagnoses, i.e. bipolar disorder or MDD, or other psychiatric, neurological or behavioral disorders/symptoms that may interfere with conduct of study.
• Current significant major or unstable respiratory disease, heart disease, cerebrovascular disease, hematological disease, hepatic disease, renal disease, gastrointestinal (GI) disease, or other major disease as judged by the investigator.