12 Participants Needed

Intranasal Insulin for Spinal Cord Injury

(INI-SCI Trial)

ME
BK
Overseen ByBethany K Crouse, PhD

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial aims to determine if insulin, commonly used for diabetes, is safe when administered as a nasal spray to individuals with a spinal cord injury. Researchers seek to evaluate its potential as a future treatment option. Participants will use either the insulin nasal spray or a placebo (an inactive spray) daily for about three weeks. The trial seeks individuals who sustained a spinal cord injury at least four months ago and can manage the nasal spray themselves or with assistance. As a Phase 1 trial, the research focuses on understanding how the treatment works in people, offering participants a chance to contribute to groundbreaking research.

Will I have to stop taking my current medications?

The trial requires that you have been on a stable regimen of medications for at least 30 days before starting. It doesn't specify if you need to stop any current medications, but you should discuss your specific situation with the study team.

Is there any evidence suggesting that intranasal insulin is likely to be safe for people with spinal cord injury?

Research has shown that using insulin as a nasal spray is safe for many people. However, it remains untested in individuals with spinal cord injuries. Previous studies suggest that when insulin is sprayed into the nose, it can reach the spinal cord and might aid recovery after an injury, indicating it could be well-tolerated.

The FDA has already approved insulin for treating diabetes, confirming its safety for that purpose. While this is encouraging, this trial represents one of the first steps to determine if using insulin this way is safe specifically for people with spinal cord injuries.12345

Why do researchers think this study treatment might be promising for spinal cord injury?

Intranasal insulin is unique because it offers a novel delivery method for potentially treating spinal cord injury. Unlike traditional treatments, which might focus on surgical interventions or rehabilitative therapies, this approach uses insulin administered directly through the nose, allowing it to reach the brain and spinal cord more effectively. Researchers are excited about this treatment because insulin plays a role in nerve growth and repair, which could help improve recovery in spinal cord injury patients. This method is non-invasive and could represent a significant shift in how we address nerve damage.

What evidence suggests that intranasal insulin might be an effective treatment for spinal cord injury?

This trial will evaluate the effects of intranasal insulin on recovery from spinal cord injury. Research has shown that insulin, when administered through the nose, can reach the spinal cord and aid recovery after an injury. Studies have found that insulin helps nerve cells survive and heal after trauma. Other research indicates that this method reduces damage in brain injuries by assisting cells in waste removal and stress reduction. Although this approach hasn't been tested in people with spinal cord injuries, these findings suggest it could be promising. Overall, early positive results in related areas support the potential for intranasal insulin to aid recovery in nerve-related injuries.12367

Who Is on the Research Team?

LR

Leah R Hanson, PhD

Principal Investigator

HealthPartners Institute

KB

Kimberly Byrnes, PhD

Principal Investigator

Uniformed Services University of the Health Sciences

Are You a Good Fit for This Trial?

This trial is for up to 12 people who had a spinal cord injury at least 4 months ago. They must be able to use nasal spray themselves or have someone who can help them. The study excludes those with specific health conditions that the researchers haven't listed.

Inclusion Criteria

The subject must be proficient in English in order to comply with instructions and measures for the study
I can manage my medication or have someone who can help me.
I have a spinal cord injury rated A, B, C, or D by the ASIA scale.
See 5 more

Exclusion Criteria

Subject has a history of allergy, hypersensitivity, or other significant adverse reaction to insulin
I rely on a ventilator or have an open tracheostomy.
I don't have any major health issues like heart, lung, brain disorders, or severe mental illness that would make joining a study unsafe for me.
See 6 more

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

1-2 weeks
1 visit (in-person)

Baseline

Participants undergo virtual training and baseline assessments

1 day
1 visit (virtual)

Treatment

Participants receive either 76 IU insulin nasal spray or placebo daily for up to 24 days

3 weeks
Daily self-administration at home

Follow-up

Participants are monitored for safety and effectiveness after treatment

4 weeks

What Are the Treatments Tested in This Trial?

Interventions

  • Intranasal Insulin

Trial Overview

The study tests if insulin, usually used for diabetes, is safe as a nasal spray for spinal cord injury patients. Participants will either use an insulin nasal spray or a placebo daily at home for up to 24 days while their health and symptoms are monitored.

How Is the Trial Designed?

2

Treatment groups

Experimental Treatment

Placebo Group

Group I: Intranasal InsulinExperimental Treatment1 Intervention
Group II: PlaceboPlacebo Group1 Intervention

Find a Clinic Near You

Who Is Running the Clinical Trial?

HealthPartners Institute

Lead Sponsor

Trials
196
Recruited
3,721,000+

Uniformed Services University of the Health Sciences

Collaborator

Trials
130
Recruited
91,100+

Department of Defense Congressionally Directed Medical Research Program

Collaborator

Trials
3
Recruited
640+

Citations

Safety and Feasibility of Intranasal Insulin in Patients With ...

While insulin nasal spray has been shown to be safe in many patient populations, it has not yet been studied in people with spinal cord injury.

Acute Administration of Intranasal Insulin to Improve ...

We and others have found that insulin delivered via an intranasal route is able to reach the spinal cord via the cerebrospinal fluid and can improve outcomes ...

Role of Insulin in Neurotrauma and Neurodegeneration

Emerging data suggests that insulin can improve neuronal survival or recovery after trauma or during neurodegenerative diseases.

Intranasal Insulin Alleviates Traumatic Brain Injury

Our results suggest that intranasal insulin can ameliorate TBI by regulating autophagy and ER stress-mediated apoptosis through the PI3K/AKT/mTOR signaling ...

Intranasal Insulin - Neuropsychiatric Disorders

In a trial evaluating the combined effectiveness of single-dose, intranasal insulin and preceding 3-day-long application of transdermal estradiol, the insulin ...

Intranasal Insulin for the Treatment of Mild Cognitive ...

No cognitive or functional benefits were observed with intranasal insulin treatment compared with placebo over a 12-month period in the primary analyses.

Distribution of insulin in trigeminal nerve and brain after ...

Our data indicates that intranasal insulin can reach cellular CNS targets along extracellular components of the trigeminal nerve.