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Completed Phase 1 Interventional Accepts healthy volunteers Results available

Clinical Study to Investigate the Pharmacokinetics of Multiple Repeated Doses of Intranasal Naloxone

ClinicalTrials.gov ID: NCT04764630

Public ClinicalTrials.gov record NCT04764630. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 23, 2026, 11:47 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Study identification

NCT ID
NCT04764630
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Food and Drug Administration (FDA)
Federal
Enrollment
21 participants

Conditions and interventions

Interventions

  • Four naloxone nasal spray doses (1 every 2.5 min) Drug
  • Four naloxone nasal spray doses (2 every 2.5 min) Drug
  • Two naloxone nasal spray doses (1 every 2.5 min) Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 55 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 28, 2021
Primary completion
Mar 19, 2021
Completion
Mar 19, 2021
Last update posted
Apr 18, 2024

2021

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Spaulding Clinical Research West Bend Wisconsin 53095

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04764630, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Apr 18, 2024 · Synced Jul 23, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04764630 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →