A study to assess safety and tolerability of oral AZD3241 in patients with Parkinson's disease

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.