Skip to content

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

A Randomized, Double-Blind, Placebo-Controlled, Phase II Study to Evaluate the Safety, Tolerability, and Efficacy of Intranasal Insulin and Glutathione as an Add-On Therapy in Subjects With Parkinson's Disease (NOSE-PD)

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05266417
Acronym
NOSE-PD
Enrollment
56
Registered
2022-03-04
Start date
2022-02-07
Completion date
2027-11-30
Last updated
2026-07-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Parkinson Disease

Keywords

Insulin, Glutathione, Intranasal

Brief summary

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

Interventions

DRUGINS-GSH

Intranasal INS-GSH Twice Daily

Intranasal Matched Placebos Twice Daily

Sponsors

Gateway Institute for Brain Research
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Caregiver, Investigator)

Eligibility

Sex/Gender
ALL
Age
30 Years to No maximum
Healthy volunteers
No

Inclusion criteria

Key Inclusion Criteria: * Documented clinical diagnosis of idiopathic PD * 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 symptomatic hypoglycemia and/or documented plasma glucose levels of ≤ 50 mg/dL with 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 per investigator within the last 8 weeks of Screening or during the study conduct. * Chronic inflammation of nasal cavity, history of recurrent epistaxis, and/or clinically significant medical history of uncontrolled allergic rhinitis, rhino-conjunctivitis, or house dust mite allergy at Screening 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 with residual neurologic deficits. * 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

Design outcomes

Primary

MeasureTime frameDescription
Verbal Fluency24 WeeksF, A and S (FAS) words test

Secondary

MeasureTime frameDescription
Verbal Fluency28 WeeksChange in verbal fluency as assessed by the FAS test
Motor Function24 WeeksChange in Timed Up and Go (TUG) test
Cognitive FunctionWeek 24Change in each of the individual twelve (12) task standardized scores assessed using the Cambridge Brain Sciences (CBS) computerized neuropsychological battery
Non-Motor FunctionWeek 24Change in Hamilton Rating Scale for Depression total score
Patient Reported OutcomeWeek 24Change in Parkinson's Disease Quality of Life Questionnaire (PDQ-39) assessment

Countries

United States

Contacts

CONTACTSusana Restrepo, PhD
srestrepo@gifbr.com786-216-5334
CONTACTVanesa Javier
vaday@gifbr.com954-636-2166

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jul 23, 2026