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ClinicalTrials.gov public records Last synced Oct 22, 2026, 11:59 PM EDT

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Showing 1–24 of 50 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: 10% phenylephrine Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Bioavailability Study Comparing Modified Release To Immediate Release Apixaban Tablets In Healthy Volunteers

NCT00914641
View directory record Official record
Conditions
Thrombosis
Interventions
Apixaban IR, Apixaban MR1, Apixaban MR2, Apixaban MR3
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 25, 2009 · Synced Oct 22, 2026, 11:59 PM EDT
Terminated No phase listed Observational

Cardiac Output in Heart Failure Patients With Mechanical Pumps

NCT05195931
View directory record Official record
Conditions
Heart Failure, Systolic, Mechanical Circulatory Support, Cardiovascular Hemodynamics
Interventions
preload challenge, afterload challenge, contractility assessment
Diagnostic Test
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Enrollment
7 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 19, 2023 · Synced Oct 22, 2026, 11:59 PM EDT
Withdrawn Not applicable Interventional

Sphenopalatine Ganglion Block for Postdural Puncture Headache in the Emergency Department

NCT02517931
View directory record Official record
Conditions
Postdural Puncture Headache
Interventions
Sphenopalatine Ganglion Block, Placebo
Procedure
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Phase 4 Interventional Results available

Antitussive Effect of a Naturally Flavored Syrup Containing Diphenhydramine, Compared With Dextromethorphan and Placebo

NCT02062710
View directory record Official record
Conditions
Cough Reflex Sensitivity
Interventions
diphenhydramine/phenylephrine/cocoa; dextromethorophan; placebo, diphenhydramine/phenylephrine/cocoa; placebo; dextromethorphan, dextromethorphan; diphenhydramine/phenylephrine/cocoa; placebo, dextromethorophan; placebo; diphenhydramine/phenylephrine/cocoa, placebo; diphenhydramine/phenylephrine/cocoa; dextromethorphan, placebo; dextromethorphan; diphenhydramine/phenylephrine/cocoa
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 28, 2018 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of PK of Caprylic Triglyceride Oil, AC-1202, AC-1204, and Axona on Ketone Body Production

NCT02833012
View directory record Official record
Conditions
Healthy
Interventions
Caprylic Triglyceride Oil, AC-1202, Axona, AC-1204
Drug
Lead sponsor
Cerecin
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 11, 2017 · Synced Oct 22, 2026, 11:59 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Autoimmune Basis for Postural Tachycardia Syndrome

NCT02725060
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome, Postural Tachycardia Syndrome, Tachycardia, Arrhythmias, Cardiac, Autonomic Nervous System Diseases, Orthostatic Intolerance, Cardiovascular Diseases, Primary Dysautonomias
Interventions
phenylephrine, isoproterenol, 25 micro-Ci of radiation, Posture study with blood samples, 24-hour heart rhythm and blood pressure monitoring, Quantitative Axonal Sudomotor Reflex Testing, Autonomic function tests, Rebreathing test, Assessment of splanchnic capacitance, microneurography
Drug · Radiation · Procedure + 1 more
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
2
States / cities
Oklahoma City, Oklahoma • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Variability in Adrenergic Response

NCT00838695
View directory record Official record
Conditions
Vascular Reaction to Medications
Interventions
Phenylephrine
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 40 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 26, 2018 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Self Regulated Physical Activity and Bone Growth Enhancement in Premature Infants

NCT03884322
View directory record Official record
Conditions
Prematurity, VLBW - Very Low Birth Weight Infant
Interventions
Prepod, Joint compression exercises
Other · Procedure
Lead sponsor
Asante Health System
Other
Eligibility
32 Weeks to 36 Weeks
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Medford, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 21, 2019 · Synced Oct 22, 2026, 11:59 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Role of Sympathetic Overactivity and Angiotensin II in PTSD and CV

NCT02560805
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic
Interventions
Microneurography, Combat virtual reality video clip, Handgrip Exercise, Cold Pressor Test (CPT), Sodium Nitroprusside (SNP), Phenylephrine, Losartan, Atenolol, Transcutaneous Vagal Nerve Stimulation (tVNS), Sham Transcutaneous Vagal Nerve Stimulation (tVNS)
Procedure · Behavioral · Drug + 1 more
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Mechanisms of Vasovagal Syncope

NCT01791816
View directory record Official record
Conditions
Vasovagal Syncope, Postural Tachycardia Syndrome
Interventions
Phenylephrine, L-Ng-monomethyl Arginine (L-NMMA)
Drug
Lead sponsor
New York Medical College
Other
Eligibility
14 Years to 29 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2022
U.S. locations
1
States / cities
Hawthorne, New York
Source: ClinicalTrials.gov public record
Updated May 23, 2025 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Safety and Pharmacokinetics of Kovacaine Nasal Spray in Pediatric Subjects

NCT01952990
View directory record Official record
Conditions
Anesthesia
Interventions
Tetracaine HCl 3% and Oxymetazoline HCl 0.05%
Drug
Lead sponsor
St. Renatus, LLC
Industry
Eligibility
3 Years to 17 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2015 · Synced Oct 22, 2026, 11:59 PM EDT
Completed No phase listed Observational

Arterial Stiffness and General Anesthesia Induced Hypotension in Patients on Angiotensin-converting Enzyme Inhibitors

NCT02416024
View directory record Official record
Conditions
Hypotension, Arterial Stiffness
Interventions
SphygmoCor system
Device
Lead sponsor
University of Iowa
Other
Eligibility
50 Years to 85 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 18, 2019 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Phase 2 Interventional Results available

Hemodynamics and Extravascular Lung Water in Acute Lung Injury

NCT00624650
View directory record Official record
Conditions
Acute Lung Injury
Interventions
Diuresis (furosemide) part I, Fluid Bolus (crystalloid or albumin), Vasopressors (Norepinephrine, Vasopressin, Phenylephrine, Epinephrine), Dobutamine, Concentrate all drips and nutrition, Diuresis (furosemide) part II, Dialysis
Drug · Other · Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
3
States / cities
Clackamas, Oregon • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 10, 2019 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Dose Bioavailability and Ethnobridging PK Study in Healthy Subjects

NCT04587713
View directory record Official record
Conditions
Intestinal Disorder, Bowel Diseases, Inflammatory
Interventions
TD-1473 [Tablet A], TD-1473 [Tablet B]
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
19 Years to 55 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
2
States / cities
Cypress, California • Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Apr 9, 2021 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exercise in Health and Chronic Obstructive Pulmonary Disease

NCT02300064
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Knee-extensor exercise test, Exercise test with restricting/releasing blood flow, Exercise test with variable oxygen concentration and MRI, Exercise test with oral antioxidant or placebo cocktail
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 1, 2016 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhancing Cognition in Older Adults With Intermittent Hypoxia and Cognitive Training

NCT03957213
View directory record Official record
Conditions
Aging
Interventions
Acute Intermittent Hypoxia, Computerized Cognitive Training
Device · Behavioral
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 89 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 4, 2022 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess Electrocardiogram Results in Healthy Volunteers Receiving Canagliflozin (JNJ-28431754)

NCT01787357
View directory record Official record
Conditions
Healthy
Interventions
Canagliflozin (JNJ-28431754), Placebo, Moxifloxacin
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 29, 2016 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Comparative Bioavailability Study of TAH3311 5 mg Oral Dissolving Film vs ELIQUIS® 5 mg Tablet in Healthy Volunteers

NCT05995119
View directory record Official record
Conditions
Healthy Volunteers, Fasting, Fed
Interventions
Apixaban 5 mg Oral Dissolving Film (TAH3311) and Tablet (Eliquis®)
Drug
Lead sponsor
TAHO Pharmaceuticals Ltd.
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 18, 2023 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Phase 1 Interventional

Treatment of Orthostatic Hypotension in Autonomic Failure

NCT00223691
View directory record Official record
Conditions
Autonomic Failure, Orthostatic Hypotension
Interventions
Atomoxetine, Acarbose, Pyridostigmine Bromide, Yohimbine, Midodrine HCl, placebo, Modafinil, Octreotide, water intake, Diphenhydramine Hydrochloride, Ranitidine HCL, Tranylcypromine, Ergotamine/ Caffeine, Celecoxib, Pseudoephedrine, Methylphenidate, Indomethacin, Ibuprofen, Oxymetazoline 0.05% nasal solution, Bovril, Acetazolamide, Rivastigmine tartrate, Carbidopa/levodopa, Inflatable abdominal binder, inflatable abdominal binder (sham)
Drug · Other · Dietary Supplement + 1 more
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 85 Years
Enrollment
389 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 18, 2017 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intermittent Hypoxia and Inspiratory Threshold Loading to Enhance Inspiratory Muscle Function

NCT03029559
View directory record Official record
Conditions
Intermittent Hypoxia
Interventions
Intermittent Hypoxia, Inspiratory Threshold Loading, Sham Intermittent Hypoxia
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 20, 2019 · Synced Oct 22, 2026, 11:59 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Study to Determine the Pharmacokinetics and Pharmacodynamic Effects of Phenylephrine on BP Via IV

NCT02323399
View directory record Official record
Conditions
Hypotension
Interventions
Phenylephrine
Drug
Lead sponsor
West-Ward Pharmaceutical
Industry
Eligibility
12 Years to 16 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2024
U.S. locations
10
States / cities
Wilmington, Delaware • Washington D.C., District of Columbia • Miami, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2024 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Role of Nitric Oxide in the Impact of Aging on Myocardial Remodeling

NCT00603720
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
L-NAME, L-Arginine, Phenylephrine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Oct 22, 2026, 11:59 PM EDT
Recruiting Phase 1Phase 2 Interventional

Use of Phenylephrine for Assessment of Mitral Regurgitation Severity

NCT04500899
View directory record Official record
Conditions
Mitral Regurgitation
Interventions
Mydfrin
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 20, 2025 · Synced Oct 22, 2026, 11:59 PM EDT
Completed Phase 2 Interventional Results available

Single Dose Study of the Effect of Formoterol Fumarate in Combination With Mometasone Furoate Inhaled Via a Pressurized Metered Dose Inhaler (pMDI) in Children Aged 5-11 Years Old With Persistent Asthma

NCT00746330
View directory record Official record
Conditions
Asthma
Interventions
Mometasone furoate/formoterol fumarate (MFF), Formoterol fumarate 12 μg pMDI (F12M), Formoterol fumarate 12 μg DPI (F12D), Placebo to F12D, Placebo to F12M/MFF
Drug
Lead sponsor
Novartis
Industry
Eligibility
5 Years to 11 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
6
States / cities
Mobile, Alabama • Huntington Beach, California • Orange, California + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2011 · Synced Oct 22, 2026, 11:59 PM EDT