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Showing 1–24 of 139 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: phenylephrine HCl Clear all
Completed Not applicable Interventional

Randomized Trial of Restrictive Versus Liberal Perioperative Fluid Management for Patients Undergoing Pancreatic Resection

NCT01058746
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
restrictive perioperative fluid management, Liberal perioperative fluid management
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
331 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2019 · Synced Sep 5, 2026, 10:05 AM EDT
Completed Phase 3 Interventional Results available

A Randomized Study in Children Ages Birth Through Three Years Undergoing Unilateral Cataract Extraction With or Without Lens Replacement

NCT02132312
View directory record Official record
Conditions
Unilateral Cataract Extraction, Congenital Cataract
Interventions
OMS302, Phenylephrine HCl
Drug
Lead sponsor
Omeros Corporation
Industry
Eligibility
1 Day to 47 Months
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
11
States / cities
Los Angeles, California • Atlanta, Georgia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2021 · Synced Sep 5, 2026, 10:05 AM EDT
Withdrawn Not applicable Interventional

Phenylephrine Dose and Mode of Administration for Spinal Anesthesia Induced Hypotension

NCT02101047
View directory record Official record
Conditions
Complications; Cesarean Section, Spinal Anesthetics Causing Adverse Effects in Therapeutic Use
Interventions
Phenylephrine
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 45 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 7, 2017 · Synced Sep 5, 2026, 10:05 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Chemoreflex and Baroreflex Alterations Causing Postural Tachycardia Syndrome With Orthostatic Hyperpnea and Hypocapnia

NCT05923840
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome, Hypocapnia, Hyperventilation
Interventions
Chemoreflex Testing, Baroreflex testing, Orthostatic stress testing
Diagnostic Test
Lead sponsor
New York Medical College
Other
Eligibility
15 Years to 39 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Hawthorne, New York
Source: ClinicalTrials.gov public record
Updated Jun 27, 2023 · Synced Sep 5, 2026, 10:05 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Study of the Safety, Efficacy and PK of EYN-1601 in Dilation of the Pupil

NCT02946125
View directory record Official record
Conditions
Mydriasis
Interventions
MDD-administered EYN-1601, Phenylephrine 2.5% Eyedrop, Phenylephrine 10% Eyedrop
Combination Product · Drug
Lead sponsor
Eyenovia Inc.
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Artesia, California
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Sep 5, 2026, 10:05 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Study to Investigate the Effect of AB-101 in Breast Cancer Survivors

NCT03592121
View directory record Official record
Conditions
Sexual Dysfunction, Sexual Arousal Disorder, Sexual Dysfunction, Physiological, Breast Cancer, Nipple Disorder, Neuropathy, Cancer of Breast
Interventions
AB-101, Placebo
Drug
Lead sponsor
Applied Biology, Inc.
Industry
Eligibility
18 Years to 70 Years · Female only
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Newport Beach, California
Source: ClinicalTrials.gov public record
Updated Mar 11, 2020 · Synced Sep 5, 2026, 10:05 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Effect of Upneeq (Oxymetazoline Hydrochloride 0.1%) on Eyelid Position, Eye Redness, and Eye Appearance

NCT04831047
View directory record Official record
Conditions
Ptosis, Eyelid, Conjunctiva Inflamed, Eye Manifestations
Interventions
Oxymetazoline hydrochloride 0.1% ophthalmic solution, Placebo
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Apr 23, 2023 · Synced Sep 5, 2026, 10:05 AM EDT
Completed Phase 1 Interventional

The Pathophysiology of Orthostatic Hypotension

NCT00748059
View directory record Official record
Conditions
Autonomic Nervous System Diseases, Orthostatic Hypotension, Dopamine Beta-Hydroxylase Deficiency, Orthostatic Intolerance
Interventions
Standing or upright tilt, Microneurography, QSweat, neck cuff stimulation, phenylephrine,isoproterenol,nitroprusside,propranolol,edrophonium,atropine,tyramine, clonidine,yohimbine,metoclopramide,alpha-methyldopa, BodPod, Eye exam, Sleep study, Pain response testing, Metabolic chamber, Brain function studies, Bicycle Exercise Test
Procedure · Device · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
12 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 11, 2021 · Synced Sep 5, 2026, 10:05 AM EDT
Active, not recruiting No phase listed Observational

Comparative Effectiveness and Safety of Four Second Line Pharmacological Strategies in Type 2 Diabetes Study

NCT05220917
View directory record Official record
Conditions
Cardiovascular Events, Type2 Diabetes, Renal Disease
Interventions
SGLT2 inhibitor, DPP-4 inhibitor, GLP-1RA, 2nd generation SU
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
781,430 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 5, 2026, 10:05 AM EDT
Completed Early Phase 1 Interventional

Vasopressor Outcomes in Spine Surgery

NCT06053398
View directory record Official record
Conditions
Hypotension
Interventions
Phenylephrine, Norepinephrine
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Sep 5, 2026, 10:05 AM EDT
Completed Not applicable Interventional Results available

Decision Support for Intraoperative Low Blood Pressure

NCT02726620
View directory record Official record
Conditions
Hypotension
Interventions
Attending real-time decision support, In-room real-time decision support, Attending feedback emails, In-room provider feedback emails, Anesthesia Information Management System (AIMS), Perioperative Data Warehouse (PDW), General anesthesia, Pager system, Central neuraxial anesthesia, Non-cardiac surgery, Propofol, Sevoflurane, Desflurane, Isoflurane, Ephedrine, Phenylephrine, Norepinephrine, Epinephrine, Dobutamine, Dopamine, Isoproterenol, Milrinone, Atropine, Glycopyrrolate, Vasopressin, Terlipressin, Sodium Chloride 0.9%, Ringer's lactate, Hydroxyethyl starch solutions, Fresh Frozen Plasma, Packed Red Blood Cells, Albumin solutions, Plasma-Lyte, Lidocaine, Bupivacaine, Levobupivacaine, Ropivacaine, Mepivacaine, Tetracaine, Prilocaine, Procaine, Chloroprocaine, Benzocaine, Articaine
Procedure · Device · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
60 Years to 100 Years
Enrollment
22,435 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 15, 2019 · Synced Sep 5, 2026, 10:05 AM EDT
Terminated Phase 3 Interventional Results available

Comparison of Intranasal Kovacaine Mist, Tetracaine Alone, and Placebo for Anesthetizing Maxillary Teeth

NCT01660893
View directory record Official record
Conditions
Anesthesia
Interventions
Tetracaine HCl 3% and oxymetazoline HCl 0.05%, Tetracaine HCl 3%, Placebo
Drug
Lead sponsor
St. Renatus, LLC
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
3
States / cities
Baltimore, Maryland • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 4, 2017 · Synced Sep 5, 2026, 10:05 AM 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 17, 2026 · Synced Sep 5, 2026, 10:05 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Pulsed Dye Laser Treatment and Oxymetazoline Hydrochloride (HCL) 1% Cream for Erythematotelangiectatic Rosacea

NCT04153188
View directory record Official record
Conditions
Erythematotelangiectatic Rosacea
Interventions
The Vbeam® Prima System, Oxymetazoline HCL 1% Cream
Device · Drug
Lead sponsor
Candela Corporation
Industry
Eligibility
18 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
Charlotte, North Carolina • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 30, 2022 · Synced Sep 5, 2026, 10:05 AM 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 27, 2018 · Synced Sep 5, 2026, 10:05 AM EDT
Completed Phase 4 Interventional Results available

No Drop Post-Op Cataract Surgery

NCT03864133
View directory record Official record
Conditions
Cataract
Interventions
Omidria
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
55 Years to 90 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 29, 2023 · Synced Sep 5, 2026, 10:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Randomized, Single-Dose, Comparative, Positive and Placebo Controlled, Four-Way, Four Period, Cross-Over Study to Evaluate the Effect of DIC075V on QTc Intervals in Healthy Subjects

NCT01812538
View directory record Official record
Conditions
Ventricular Repolarization
Interventions
DIC075V
Drug
Lead sponsor
Hospira, now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 50 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Jul 23, 2015 · Synced Sep 5, 2026, 10:05 AM EDT
Terminated Not applicable Interventional Results available

Cerebral Oximetry in Single Lung Ventilation Thoracic Surgery

NCT01866657
View directory record Official record
Conditions
Hypoxia
Interventions
Vasoconstrictor Agents, Head/neck repositioning, Increase ETCO2, IV fluid bolus, Additional anesthesia, RBC transfusion, Increase FiO2
Drug · Other · Biological
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
65 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 4, 2022 · Synced Sep 5, 2026, 10:05 AM EDT
Completed Phase 4 Interventional Results available

Preventing Hypotension in Parturients With an Elevated Body Mass Index (BMI)

NCT01481740
View directory record Official record
Conditions
Hypotension
Interventions
Phenylephrine bolus, phenylephrine infusion
Drug
Lead sponsor
IWK Health Centre
Other
Eligibility
18 Years and older · Female only
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 22, 2018 · Synced Sep 5, 2026, 10:05 AM EDT
Completed Phase 3 Interventional

Comparison of Safety and Efficacy of Tizanidine Hydrochloride Capsules Versus Zanaflex® (Tizanidine Hydrochloride Tablets) Taken While in the Fed State (Just After a Meal) and in the Fasted State (Before a Meal) in Patients With Moderate to Severe Spasticity.

NCT00047580
View directory record Official record
Conditions
Multiple Sclerosis, Muscle Spasticity, Spinal Cord Injury, Stroke
Interventions
tizanidine hydrochloride capsule
Drug
Lead sponsor
Elan Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002
U.S. locations
16
States / cities
Tucson, Arizona • Encinitas, California • Northridge, California + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 13, 2015 · Synced Sep 5, 2026, 10:05 AM EDT
Completed Phase 1 Interventional

Phenylephrine Pediatric Pharmacokinetic Study

NCT00762567
View directory record Official record
Conditions
Rhinitis
Interventions
phenylephrine HCl
Drug
Lead sponsor
Johnson & Johnson Consumer and Personal Products Worldwide
Industry
Eligibility
2 Years to 17 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2011 · Synced Sep 5, 2026, 10:05 AM 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 22, 2024 · Synced Sep 5, 2026, 10:05 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Clinical Endpoint Bioequivalence Study of "Oxymetazoline Hydrochloride Cream"

NCT03954444
View directory record Official record
Conditions
Rosacea
Interventions
Oxymetazoline Hydrochloride, Rhofade Cream, 1%, Placebo
Drug
Lead sponsor
Actavis Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lynchburg, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 22, 2021 · Synced Sep 5, 2026, 10:05 AM EDT
Not yet recruiting Phase 4 Interventional

Superiority of Phenylephrine Versus Norepinephrine in Complex Spine Surgery (SPiNeS)

NCT07796282
View directory record Official record
Conditions
Spine Surgery, Intraoperative Hypotension, Tissue Perfusion
Interventions
Phenylephrine hydrochloride infusion, Norepinephrine bitartrate infusion
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Sep 5, 2026, 10:05 AM EDT