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Withdrawn Not applicable Interventional Accepts healthy volunteers

A Randomized Crossover Study to Determine the Pharmacokinetics of Intranasally Administered Acetaminophen in Healthy Adults

ClinicalTrials.gov ID: NCT00855049

Public ClinicalTrials.gov record NCT00855049. 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 Sep 28, 2026, 8:47 PM EDT

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

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study is being done to determine the systemic absorption of nasally inhaled acetaminophen (Tylenol®) versus orally ingested acetaminophen by comparing the serum drug concentrations of the two groups obtained at various times after study drug administration.

Study identification

NCT ID
NCT00855049
Recruitment status
Withdrawn
Study type
Interventional
Phase
Not applicable
Enrollment
Not listed

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years to 45 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
Mar 31, 2009
Primary completion
Nov 30, 2009
Completion
Nov 30, 2009
Last update posted
Jan 21, 2019

2009

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
UT Southwestern Dallas Texas 75390 —

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 NCT00855049, 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 Jan 21, 2019 · Synced Sep 28, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00855049 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →