PROSEEK: A Phase 2 Study In Early Parkinson's Disease Patients Evaluating The Safety And Efficacy Of Abl Tyrosine Kinase Inhibition Using K0706

  • End date
    Mar 24, 2023
  • participants needed
  • sponsor
    Sun Pharma Advanced Research Company Limited
Updated on 22 June 2022
early parkinson's


This study consists of 2 parts. Part 1 of the study is conducted to evaluate the efficacy, safety, and tolerability of two doses of K0706 compared to placebo in subjects with early Parkinson's Disease who are not receiving dopaminergic therapy. Part 2 is an optional long term extension study for subjects who have completed week 40 of Part 1


This study is designed to assess the ability of K0706 to slow the progression of PD. Preclinical animal model data have already demonstrated that K0706 has neuroprotective activity, but further development will require human clinical experience.
This study will also allow determination of safety and tolerability of K0706 over many months in subjects with PD.

Condition Early Parkinson Disease, Parkinson's Disease, Parkinson Disease
Treatment Placebo, K0706
Clinical Study IdentifierNCT03655236
SponsorSun Pharma Advanced Research Company Limited
Last Modified on22 June 2022


Yes No Not Sure

Inclusion Criteria

Males or females aged ≥ 50 years
Body mass index (BMI) greater than 18.5 kg/m2 and less than 45 kg/m2
Diagnosed with "Clinically Probable PD" according to the MDS clinical diagnostic criteria, with documented diagnosis of PD per treating physician's records within three years of the Screening visit. Disease severity according to modified Hoehn & Yahr stage ≤ 2
Projected to not required to start dopaminergic therapy within 9 months from Baseline

Exclusion Criteria

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. Treatment with Monoamine Oxidase B (MAOB) inhibitors will be allowed if the dose is stable for at least 30 days prior to Screening and subjects agree to remain on it for the duration of the study
Prior use of dopaminergic therapy (e.g., levodopa, dopamine agonist, amantadine) for 30 or more days any time in the past
A diagnosis of a significant central or peripheral nervous system disease affecting the subject's cognition or motor function at any time, such as another neurodegenerative disorder, multiple sclerosis or stroke. This does not include transient neurological deficits such as transient ischemic attacks or migraine aura
A diagnosis of a medical condition that could interfere with interpretation of the MDS-UPDRS during the trial (e.g., musculoskeletal disorders)
Contraindications to receiving an MRI
Contraindications to receiving a DaT SPECT scan (e.g., hypersensitivity to the active substance, any of the excipients, or iodine) if a new DaT SPECT scan is required for the study
Most recent DaT SPECT scan not compatible with PD (i.e., Scans Without Evidence of Dopaminergic Deficit [SWEDD]) based on a central reading by a study physician
MRI of the brain performed after onset of PD suggestive of secondary Parkinsonism (e.g., subdural hematoma, normal pressure hydrocephalus, or infarcts of the basal ganglia)
Severe tremors as defined by a score of "severe" on any of the MDS-UPDRS Parts 2 or 3 tremor severity (not constancy) items
Montreal cognitive assessment score < 25
History of any surgery on the brain itself including deep brain stimulation for PD (note this does not include surgeries on the skull that do not affect the brain, e.g., small meningioma removal)
History of hypersensitivity (e.g., bronchospasm, anaphylaxis, serious drug rash) to contents of the study drug or other tyrosine kinase inhibitors
Recent use of medications that can cause Parkinsonism and suspicion of the investigator that it could have worsened the subject's Parkinsonism. This includes neuroleptics (e.g., olanzapine, risperidone, haloperidol), some anti-nausea medications (e.g., prochlorperizine, metoclopramide) and others (e.g., flunarizine, methyldopa)
Use of medications that affect the dopaminergic system within 60 days of Screening. This includes stimulants (e.g., methylphenidate, amphetamine derivatives, modafinil) and Monoamine Oxidase A (MAOA) inhibitors (e.g., phenelzine, and tranylcypromine). Note that antidepressants are acceptable as long as the subject has remained on them at a stable dose for over 60 days prior to Screening and plans to remain on them through the study
Any malignant disease (other than basal cell carcinoma of the skin) with evidence of disease within the past 5 years and with the potential for recurrence
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