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Intranasal Insulin and Glutathione as an Add-On Therapy in Parkinson's Disease

Phase 2
Recruiting
Conditions
Parkinson Disease
Interventions
Drug: INS-GSH
Drug: Matched Placebos
Registration Number
NCT05266417
Lead Sponsor
Gateway Institute for Brain Research
Brief Summary

This study will be evaluating the safety and efficacy of insulin and glutathione in subjects with Parkinson's Disease compared to placebo.

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
56
Inclusion Criteria
  • Documented clinical diagnosis of idiopathic PD
  • Modified HY stage < 5
  • Able to administer study drug or have a caregiver throughout the duration of the study to help administer drug
  • Willing to continue diet, exercise and medications reported at baseline consistently throughout participation in the trial. Essential changes are permitted
  • If taking PD medications or any nutraceuticals, must be on a stable dose for at least 30 days prior to Screening Visit. Essential changes will be permitted.
  • If subject is taking chronic antidepressant or an anxiolytic, must be on a stable dose for at least 90 days prior to Screening. Essential changes will be permitted.

Key

Exclusion Criteria
  • Clinical diagnosis of Type 1 or Type 2 Diabetes Mellitus
  • Glycated hemoglobin (HbA1c) level ≥ 6.5%
  • History of hypoglycemia and/or documented plasma glucose levels of ≤ 50 mg/dL with or without symptoms of hypoglycemia
  • Mini-Mental State Exam (MMSE) score of ≤ 24 at Screening
  • Positive COVID-19 test at Screening and/or within 30 days of Screening
  • Change in or escalation of dose of a chronic therapeutic agent that has the potential to impair cognitive functioning
  • Chronic inflammation of nasal cavity that may prevent absorption of study treatments
  • Insufficiently controlled respiratory disease (i.e., asthma, COPD).
  • History of any significant neurologic or psychiatric disease other than PD
  • Current diagnosis of epilepsy and had a history of seizures as an adult within 1 year of Screening, or unexplained recent loss of consciousness, or history of significant head trauma with loss of consciousness
  • History of non-lacunar ischemic and/or hemorrhagic stroke
  • Unstable or uncontrolled cardiac disease that could expose the subject to additional safety risks
  • Use of the following medications: Insulin or any other anti-hyperglycemic agent(s) except if used during isolated gestational diabetes, Supplementation with GSH or any medication shown to increase glutathione, and Beta Blockers

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
ActiveINS-GSHInsulin (Novolin R) and Glutathione (INS-GSH)
ControlMatched PlacebosPlacebo
Primary Outcome Measures
NameTimeMethod
Verbal Fluency24 Weeks

F, A and S (FAS) words test

Secondary Outcome Measures
NameTimeMethod
Verbal Fluency28 Weeks

Change in verbal fluency as assessed by the FAS test

Motor FunctionWeek 24

Change in Clinical Impression of Severity Index for Parkinson's Disease (CISI-PD)

Cognitive FunctionWeek 24

Change in each of the individual twelve (12) task standardized scores assessed using the Cambridge Brain Sciences (CBS) computerized neuropsychological battery

Non-Motor FunctionWeek 24

Change in Hamilton Rating Scale for Depression total score

Patient Reported OutcomeWeek 24

Change in the Patient Global Impression (PGI) score

Trial Locations

Locations (2)

Institute for Neuroimmune Medicine

🇺🇸

Davie, Florida, United States

Las Mercedes Medical Research

🇺🇸

Hialeah, Florida, United States

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