About this trial
This is a safety, tolerability, pharmacokinetic and efficacy study in subjects with Parkinson's disease
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Male and Female from 40 to 80 years old;
Diagnosed with "Clinically Probable Parkinson's Disease" according to the MDS clinical diagnostic criteria, with documented onset of symptoms per treating physician's records within three years of the screening visit;
Positive DAT-scan (e.g. a striatal dopamine transporter deficit on dopamine transporter imaging by DaT-SPECT, characterized by crescent-shaped areas of asymmetrical aspect, or of symmetrical aspect but of uneven intensity, between the right and the left brain hemisphere) confirmed by local reading;
Hoehn & Yahr stage ≤ 2.5;
Disqualifiers
Atypical Parkinsonism or drug-induced Parkinsonism;
Current, or within 60 days of screening, use of any prescription, investigational, or over the counter medication for the symptomatic treatment of PD or to slow the progression of PD.
Prior use of dopaminergic therapy (e.g., levodopa, dopamine agonist, amantadine, rasagiline) for 30 or more days any time in the past;
Cognitive impairment (MMSE ≤ 24);
Trial design
Parallel
Treatments tested in this trial
Radotinib HCl 50 mg
DrugEnrolled subject will continue to administer Radotinib 50mg/day, 100mg/day, 150mg/day, 200mg/day, depending on the dose level once daily for 6 months.
Placebo
DrugPlacebo
Treatment groups
Trial outcomes
Primary outcomes
Evaluation of safety parameters: Adverse Events
Incidence and severity of treatment emergent AEs
Secondary outcomes
Pharmacokinetics assessments of Radotinib HCl: Cmax
The maximum (peak) observed drug concentration after dose administration
Pharmacokinetics assessments of Radotinib HCl: Tmax
The time to reach maximum (peak) drug concentration after dose administration
Pharmacokinetics assessments of Radotinib HCl: Ctrough
Trough plasma concentration (measured concentration at the end of a dosing interval at steady state)
Pharmacokinetics assessments of Radotinib HCl: AUCt
Area under the plasma concentration-time curve from time zero to time t
Other outcomes
Brain DaT SPECT to measure dopamine neurons and nerve terminals
DaTscan is a specific type of single-photon emission computed tomography (SPECT) imaging technique that helps visualize dopamine transporter in the brain
Concentration of α-synuclein in CSF
Quantification of α-synuclein concentration in CSF
Concentration of Tau and phospho-Tau (p-181) in CSF
Quantification of Tau and phospho-Tau (p-181) concentration in CSF
Concentration of β-amyloid peptide 1-42 in CSF
Quantification of β-amyloid peptide 1-42 concentration in CSF
Sponsors and contacts
Click on the lead sponsor to view all of their trials.