A Randomized, Double-blind, Placebo Controlled, Safety and Tolerability Study of Intracerebroventricular Administration of sNN0031 to Patients With Idiopathic Parkinson's Disease (PD) of Moderate Severity, Using an Implanted Catheter and a SynchroMed® II Pump.
Overview
- Phase
- Phase 1
- Intervention
- sNN0031
- Conditions
- Parkinson's Disease
- Sponsor
- Newron Sweden AB
- Enrollment
- 12
- Locations
- 2
- Primary Endpoint
- Safety and tolerability through assessment of adverse events, ECGs, vital signs, clinical laboratory variables, MRI of brain and spinal cord, CSF sampling, and device performance as characterized by catheter tip placement and infusion accuracy.
- Status
- Completed
- Last Updated
- 11 years ago
Overview
Brief Summary
This study is conducted to evaluate the safety and tolerability of the drug product sNN0031, containing Platelet Derived Growth Factor (PDGF), when administered directly into one of the fluid filled cavities in the brain using an implanted catheter and an implanted SynchroMed® II pump. Patients with a diagnosis of Parkinson's disease will be enrolled.
Detailed Description
Tremor, rigidity, slow movement, poor balance, and difficulty walking are characteristic symptoms of Parkinson's disease (PD) that are associated with degeneration of dopamine-producing nerve cells in the brain. Administration of growth factors that stimulate neuronal stem and progenitor cells is one possible approach to restore the dopaminergic activity. The drug product sNN0031 containing the endogenous growth factor PDGF has been demonstrated to reduce the typical symptoms in animal models of PD. NeuroNova intends to investigate whether intracerebroventricular administration of PDGF in the form of the drug product sNN0031 can improve motor function in patients with PD. In this first study the safety and tolerability of treatment for 2 weeks followed by 10 weeks follow-up will be evaluated.
Investigators
Eligibility Criteria
Inclusion Criteria
- •Male or female. Females should either be post-menopausal (at least 12 months of spontaneous amenorrhea or 6 months of spontaneous amenorrhea with FSH levels \>40 mIU/mL), be surgically sterilized (bilateral oophorectomy w/o hysterectomy), or use adequate contraception (oral contraceptives, intrauterine device or double barrier contraception, i.e., condom + diaphragm, condom or diaphragm + spermicidal gel or foam.) during the duration of the study.
- •Diagnosis of idiopathic Parkinson's disease (PD) of moderate severity (modified Hoehn \& Yahr Stage IIb-III).
- •Effect duration of oral L-dopa dose intake ≤4 hours
- •Score ≥30 on motor part (part III) of UPDRS at defined off (\>12 hours after last dose intake)
- •Dopaminergic responsiveness with at least 33% decrease in the UPDRS part III score after administration of L-dopa
- •Disease duration at least 5 years
- •Age 30 to 75 years
- •Stable anti-Parkinson treatment for at least 3 months
- •Ophthalmologic examination with normal findings regarding vascular structure and function
- •MRI examination of the brain and cervical spinal cord within 3 months before anticipated implantation of the device with no findings of tumors or potential sources of pathological bleedings, or abnormality that may interfere with the assessments of safety or efficacy or would, in the judgment of the investigator, represent a surgical risk to the subject.
Exclusion Criteria
- •Atypical form of PD including repeated head trauma, drug- or toxin-induced PD, and other neurological conditions including Shy-Drager syndrome (multiple system atrophy), progressive supranuclear palsy, Wilson's disease, Huntington's disease, Hallervorden-Spatz syndrome, Alzheimer's disease, Creutzfeldt-Jakob disease, olivopontocerebellar atrophy, and post-traumatic encephalopathy
- •Concurrent dementia with a score of 20 or lower on the MMT rating scale
- •Concurrent clinically significant depression with a score of 16 or higher on the MADRS rating scale, equivalent to moderate or severe depression.
- •Exposure to neuroleptic drugs blocking dopamine receptors within 6 months
- •History of structural brain disease including tumors and hyperplasia
- •History of increased intracranial pressure
- •Prior surgical procedures or implantation of device for the treatment of PD
- •Prior exposure to any formulation of PDGF-BB (including topical)
- •Uncontrolled hypertension with blood pressure \>160 mmHg systolic or \>90 mmHg diastolic.
- •Any disorder that precludes a surgical procedure (eg, signs of sepsis or inadequately treated infection), alters wound healing (e.g. including bleeding disorders), or renders chronic ICV delivery or device implants medically unsuitable.
Arms & Interventions
sNN0031
Continuous ICV infusion for two weeks at one of three dose levels
Intervention: sNN0031
Placebo
Continuous ICV infusion
Intervention: Placebo
Outcomes
Primary Outcomes
Safety and tolerability through assessment of adverse events, ECGs, vital signs, clinical laboratory variables, MRI of brain and spinal cord, CSF sampling, and device performance as characterized by catheter tip placement and infusion accuracy.
Time Frame: Multiple over 3 months
Secondary Outcomes
- Time course of PD disease activity as measured by the UPDRS, MADRS and MMT rating scales.(Multiple over 3 months)
- Change in caudate and putamen dopamine turnover using PET scans of 11C-PE2I uptake(Baseline and at 3 months)