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

NCT ID: NCT05266417

Last Updated: 2025-04-30

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE2

Total Enrollment

56 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-02-07

Study Completion Date

2027-01-30

Brief Summary

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

Detailed Description

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Conditions

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Parkinson Disease

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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Active

Insulin (Novolin R) and Glutathione (INS-GSH)

Group Type EXPERIMENTAL

INS-GSH

Intervention Type DRUG

Intranasal INS-GSH Twice Daily

Control

Placebo

Group Type PLACEBO_COMPARATOR

Matched Placebos

Intervention Type DRUG

Intranasal Matched Placebos Twice Daily

Interventions

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INS-GSH

Intranasal INS-GSH Twice Daily

Intervention Type DRUG

Matched Placebos

Intranasal Matched Placebos Twice Daily

Intervention Type DRUG

Other Intervention Names

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Insulin Matched Placebo and Glutathione Matched Placebo

Eligibility Criteria

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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.

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
Minimum Eligible Age

30 Years

Maximum Eligible Age

85 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Gateway Institute for Brain Research

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Institute for Neuroimmune Medicine

Davie, Florida, United States

Site Status RECRUITING

Las Mercedes Medical Research

Hialeah, Florida, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Susana Restrepo, PhD

Role: CONTACT

786-216-5334

Vanesa Javier

Role: CONTACT

954-636-2166

Facility Contacts

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Rafael Iglesias

Role: primary

954-262-2876

Ariadna Zarzuela, RN, BSN

Role: primary

786-577-5977 ext. 5005

Other Identifiers

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20-GTY-008-01

Identifier Type: -

Identifier Source: org_study_id

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