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Showing 25–38 of 14 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Ephedrine Clear all
Completed Phase 4 Interventional Results available

Safety and Efficacy Study of Guaifenesin and Pseudoephedrine for Symptomatic Therapy to Treat Acute RTI

NCT01202279
View directory record Official record
Conditions
Acute Upper Respiratory Track Infection
Interventions
Guaifenesin, Placebo
Drug · Device
Lead sponsor
Reckitt Benckiser Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
1,179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
24
States / cities
Mesa, Arizona • Carmichael, California • Fresno, California + 21 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2020 · Synced Sep 23, 2026, 4:53 PM EDT
Completed Phase 4 Interventional

Phase 4 Study - Mucinex D as Adjunct Therapy

NCT00441246
View directory record Official record
Conditions
Acute Respiratory Infection, Bronchitis, Rhinosinusitis
Interventions
Mucinex D (600 mg guaifenesin and 60 mg pseudoephedrine HCl extended-release bi-layer tablets)
Drug
Lead sponsor
Adams Respiratory Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
28
States / cities
Birmingham, Alabama • Carmichael, California • Torrance, California + 24 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2008 · Synced Sep 23, 2026, 4:53 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of the Effect of Intramuscular Ephedrine on the Incidence of Nausea and Vomiting During Elective Cesarean Section

NCT00432991
View directory record Official record
Conditions
Nausea, Vomiting, Cesarean Section
Interventions
Ephedrine [Synonyms: Ephedra, Ephedrinum], Saline Placebo
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2017 · Synced Sep 23, 2026, 4:53 PM EDT
Terminated Early Phase 1 Interventional

Water and Sudafed in Autonomic Failure

NCT02149901
View directory record Official record
Conditions
Shy-Drager Syndrome, Multiple System Atrophy
Interventions
Pseudoephedrine + 480 ml water, Pseudoephedrine + 50 ml water, Placebo + 480 ml water (optional), Placebo + 50 ml water (optional)
Drug · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Sep 23, 2026, 4:53 PM EDT
Completed Phase 4 Interventional

Study of Nasal Irrigation Versus Nasal Spray for Chronic Nasal and Sinus Symptoms

NCT00318006
View directory record Official record
Conditions
Chronic Rhinosinusitis
Interventions
saline irrigation, saline spray
Procedure
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 29, 2015 · Synced Sep 23, 2026, 4:53 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Manufacturing Transfer Study Comparing the Bioequivalence of a Single Oral Dose of Claritin-D 12-Hour Extended Release Tablet From 2 Different Manufactuers Under Fed Conditions in Healthy Adult Subjects

NCT03517943
View directory record Official record
Conditions
Clinical Pharmacology
Interventions
Loratadine + Pseudoephedrine sulfate (Claritin-D, BAY818725) (Manufacturer-SAG), Loratadine + Pseudoephedrine sulfate (Claritin-D, BAY818725) (Manufacturer-Heist)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 55 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Secaucus, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Sep 23, 2026, 4:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Leptin A-200, Caffeine/Ephedrine and Their Combination Upon Weight Loss and Body Composition in Man

NCT01710722
View directory record Official record
Conditions
Obesity
Interventions
caffeine and ephedrine, Leptin A, caffeine, ephedrine, and leptin A
Drug
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 60 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2002
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 17, 2015 · Synced Sep 23, 2026, 4:53 PM EDT
Completed Not applicable Interventional Results available

Ninvasive Cardiac Output Measurements During Cesarean Delivery Under Spinal Anesthesia.

NCT01928797
View directory record Official record
Conditions
Hypotension During Cesarean Delivery, Spinal Anesthesia
Interventions
Cardiac output monitor data
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Sep 23, 2026, 4:53 PM EDT
Completed Phase 3 Interventional

A Multicenter Study of Pseudoephedrine for the Temporary Relief of Nasal Congestion in Children With the Common Cold

NCT01744106
View directory record Official record
Conditions
Nasal Congestion Associated With the Common Cold
Interventions
pseudoephedrine hydrochloride 30 mg tablets, Placebo tablets
Drug
Lead sponsor
Perrigo Company
Industry
Eligibility
6 Years to 11 Years
Enrollment
565 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
11
States / cities
Anaheim, California • Costa Mesa, California • Boise, Idaho + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2016 · Synced Sep 23, 2026, 4:53 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Prophylactic Ephedrine and Combined Spinal Epidurals for Labor

NCT02062801
View directory record Official record
Conditions
Labor Pain
Interventions
Ephedrine, Placebo
Drug
Lead sponsor
Sharp HealthCare
Other
Eligibility
Female only
Enrollment
710 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2015 · Synced Sep 23, 2026, 4:53 PM EDT
Withdrawn Not applicable Interventional

The Efficacy of SinoFresh Nasal and Sinus Care Nasal Spray in Eliminating MRSA From the Nasal Cavity

NCT00790972
View directory record Official record
Conditions
MRSA Infection
Interventions
Sinofresh, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 19, 2016 · Synced Sep 23, 2026, 4:53 PM EDT
Terminated Phase 4 Interventional Results available

Phenylephrine Versus Ephedrine in Pre-eclampsia

NCT02025426
View directory record Official record
Conditions
Pre-eclampsia
Interventions
Phenylephrine, Ephedrine
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 13, 2020 · Synced Sep 23, 2026, 4:53 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Autonomic Nervous System and Obesity

NCT00179023
View directory record Official record
Conditions
OBESITY, HYPERTENSION, PURE AUTONOMIC FAILURE, SHY-DRAGER SYNDROME
Interventions
Trimethaphan, Pseudoephedrine
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 28, 2018 · Synced Sep 23, 2026, 4:53 PM EDT
Withdrawn Phase 2 Interventional

Preventing Frequent Sinus Infections in HIV-Infected Patients

NCT00000752
View directory record Official record
Conditions
HIV Infections, Sinusitis
Interventions
Pseudoephedrine hydrochloride, Guaifenesin, Cefuroxime axetil, Beclomethasone dipropionate
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1993
U.S. locations
10
States / cities
San Diego, California • San Francisco, California • The Bronx, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Sep 23, 2026, 4:53 PM EDT