# Measurement of Insulin Levels in Cerebral Spinal Fluid (CSF) of Healthy Adults After a Single Intranasal Dose

> **NCT05866367** · PHASE1 · TERMINATED · sponsor: **HealthPartners Institute** · enrollment: 2 (actual)

## Conditions studied

- Healthy

## Interventions

- **DRUG:** Low dose Regular Insulin
- **DRUG:** High dose Regular insulin

## Key facts

- **NCT ID:** NCT05866367
- **Lead sponsor:** HealthPartners Institute
- **Sponsor class:** OTHER
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2023-08-16
- **Primary completion:** 2024-06-28
- **Final completion:** 2024-06-28
- **Target enrollment:** 2 (ACTUAL)
- **Why stopped:** We are closing this clinical protocol due to supply chain issues. We are no longer able to obtain the intranasal delivery device. We do not have adequate funding available to continue with an alternative intranasal delivery device.
- **Last updated:** 2025-11-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05866367

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05866367, "Measurement of Insulin Levels in Cerebral Spinal Fluid (CSF) of Healthy Adults After a Single Intranasal Dose". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT05866367. Licensed CC0.

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