A Phase I, Randomised, Double-Blinded, Placebo-Controlled Study to Evaluate KP405. Part 1: Single Ascending Dosing in Healthy Participants. Part 2: Multiple Ascending Dosing in Healthy Participants and Parkinson's Disease Patients.

Trial ID: NCT06189170

Interventional - Phase 1 - Completed

This study will explore the safety, pharmacokinetics (PK) and pharmacodynamics (PD) of KP405 as a potential new treatment for Parkinson's disease.

Conditions

Healthy as determined by a responsible physician, based on medical evaluation including medical history, physical examination, concomitant medication, vital signs, 12-lead ECG, cardiac Holter monitoring and clinical laboratory evaluations.
Clinical diagnosis of Parkinson's disease meeting United Kingdom Brain Bank criteria.

Clinically relevant history of abnormal physical or mental health interfering with the study as determined by medical history and physical examinations obtained during Screening as judged by the Investigator (including \[but not limited to\], neurological, psychiatric, endocrine, cardiovascular, respiratory, gastrointestinal, hepatic, or renal disorder), excluding Parkinson's disease.
Clinically significant, as judged by the Investigator, neurologic disorder (other than Parkinson's disease) including history of stroke or transient ischaemic attack within 12 months of Screening, cognitive impairment, seizure within 5 years of Screening or head trauma with loss of consciousness within 6 months of Screening.

Kariya Pharmaceuticals