Phenylephrine: all 144 studies that test it

Page 1 of 2. Open to participants first (21), then studies with results posted, then the rest; newest registration first within each.

• ED90 of Norepinephrine and Phenylephrine Infusion in Patients of Advanced Maternal AgeNot yet recruitingNCT07894783Not applicable
• ED50/ED90 of Phenylephrine Infusion for Preventing Spinal Anesthesia-Induced Hypotension: Supine vs Left-Tilt 15°Not yet recruitingNCT07824713Phase 4
• Comparison of Norepinehrine Versus Phenylepherine Infusion for Prevention of Post-spinal HypotensionRecruitingNCT07662408Phase 4
• The Choice of Vasopressor to Prevent Postoperative Acute Kidney Injury After Major Non-Cardiac SurgeryRecruitingNCT06802224Phase 4
• Outcome in Patients Treated With Endovascular Thrombectomy - optIMAL Blood Pressure Control 2 (OPTIMAL-BP 2)RecruitingNCT06677970Phase 3
• Clinical Study of DA-001 as a Treatment for Hair Shedding Reduction and Hair Re-GrowthNot yet recruitingNCT06648850Phase 2/3
• Effect of Ephedrine, Phenylepinephrine, and Norepinephrine on Myometrial Contractility in Pregnant People With Type II and Gestational Diabetes During Cesarean Section: An In-vitro StudyRecruitingNCT06285396Not applicable
• ED90 of Norepinephrine and Phenylephrine Boluses Under Intensive Treatment in Preeclamptic PatientsNot yet recruitingNCT06158035Not applicable
• Sympathetic Neurovascular Transduction: Role of Adrenergic Receptors and Sex DifferencesRecruitingNCT05997732Phase 4
• Cerebral Flow-metabolism Coupling During Adult SurgeryRecruitingNCT05941494Phase 4
• Effects of Vasopressors on Cerebral Hemodynamics in Patients With Carotid Endarterectomy (MRI Part)Not yet recruitingNCT05414877Not applicable
• The GUARDIAN Trial - Vasopressor Sub-StudyEnrolling by invitationNCT04934748Phase 4
• Low Dose Vasopressin vs Phenylephrine in Cardiac SurgeryRecruitingNCT04602767Phase 4
• Phenylephrine Prophylaxis for Postspinal Anesthesia Hypotension in Parturients With PreeclampsiaNot yet recruitingNCT04576663Not applicable
• Use of Phenylephrine for Assessment of Mitral Regurgitation SeverityRecruitingNCT04500899Phase 1/2
• Effects of Ephedrine, Phenylephrine, Norepinephrine and Vasopressin on Contractility of Human Myometrium and Umbilical Vessels: An In-vitro StudyRecruitingNCT04053478Not applicable
• Autoimmune Basis for Postural Tachycardia SyndromeEnrolling by invitationNCT02725060Not applicable
• Role of Sympathetic Overactivity and Angiotensin II in PTSD and CVRecruitingNCT02560805Phase 2
• Study to Determine the Pharmacokinetics and Pharmacodynamic Effects of Phenylephrine on BP Via IVRecruitingNCT02323399Phase 4
• Vasoactive Drugs in Intensive Care UnitRecruitingNCT02118467Phase 4
• Phenylephrine Tumescence for Hemostasis in Surgery for Burn InjuryRecruitingNCT01731444Phase 1
• Management of Acute Pulmonary Hypertensive Crisis in Children With Known Pulmonary Arterial HypertensionCompletedNCT05439460Phase 4Results posted
• Norepinephrine vs Phenylephrine During General AnesthesiaCompletedNCT04789330Phase 4Results posted
• Safety and Efficacy of Phenylephrine 2.5%-Tropicamide 1% Microdose Ophthalmic Solution for Pupil DilationCompletedNCT03751631Phase 3Results posted
• Safety and Efficacy of Phenylephrine 2.5%-Tropicamide 1% Microdose Ophthalmic Solution for Pupil DilationCompletedNCT03751098Phase 3Results posted
• Exploration of Pupil Dilation in Horner's Patients Taking FlomaxTerminatedNCT03615508Phase 4Results posted
• Effect of Topical Phenylephrine 2.5% on EVP in Normal Human EyesCompletedNCT02965924Not applicableResults posted
• Optimal Method for Mydriasis in Cataract SurgeryTerminatedNCT02909140Not applicableResults posted
• Goal-Directed Intraoperative Fluid Management Using FloTrac© Monitoring in High-Risk Neurosurgical PatientsCompletedNCT02701582Not applicableResults posted
• Phenylephrine vs. Norepinephrine Infusion After Spinal Anesthesia for Cesarean DeliveryCompletedNCT02354833Phase 4Results posted
• The Effect of Intranasal Vasoconstrictor Medications on Hemodynamic Parameters: A Randomized Double-blind, Placebo-controlled Trial.CompletedNCT02285634Not applicableResults posted
• Phenylephrine Versus Norepinephrine for Septic Shock in Critically Ill PatientsTerminatedNCT02203630Phase 4Results posted
• Phenylephrine Versus Ephedrine in Pre-eclampsiaTerminatedNCT02025426Phase 4Results posted
• Mechanism and Treatment of Sympathetically Maintained PainTerminatedNCT01813149Not applicableResults posted
• Optimal VAsopressor titraTION Pilot Randomized Controlled TrialCompletedNCT01800877Not applicableResults posted
• Preventing Hypotension in Parturients With an Elevated Body Mass Index (BMI)CompletedNCT01481740Phase 4Results posted
• Evaluation of Efficacy and Safety of Tablets of Paracetamol, Dimethindene Maleate and Phenylephrine Hydrochloride in Reducing Symptoms of Common Cold and FluCompletedNCT01448057Phase 3Results posted
• Effects of Phenylephrine Extended-Release Tablets on Allergy-Related Nasal Congestion (P08498 AM1)CompletedNCT01413958Phase 3Results posted
• Variable Rate Phenylephrine Infusion for Prevention of Spinal-induced Hypotension for Cesarean DeliveryCompletedNCT01378325Phase 4Results posted
• A Comparison of Solid and Soluble Forms of Cold and Influenza RemediesCompletedNCT01332578Phase 4Results posted
• Effects of Phenylephrine on Nasal Congestion in Participants With Seasonal Allergic Rhinitis (P08156 AM2)(Completed)CompletedNCT01330017Phase 2Results posted
• Effect of Epinephrine/ Phenylephrine for Preventing the Postreperfusion Syndrome During Reperfusion in Liver TransplantationCompletedNCT01080625Not applicableResults posted
• Consumer Preference Study of Two Formulations of Phenylephrine Hydrochloride (Study CL2008-15)(P07530)(COMPLETED)CompletedNCT00976209Phase 3Results posted
• Safety Study Comparing Phenylephrine HCL Extended Release Tablets 30 mg and Placebo (Study CL2007-07)(P07529)(COMPLETED)CompletedNCT00874120Phase 3Results posted
• Variability in Adrenergic ResponseCompletedNCT00838695Not applicableResults posted
• Up-Down Determination of the ED90 of Phenylephrine for Hypotension Prophylaxis in Cesarean DeliveryTerminatedNCT00796328Phase 4Results posted
• Phenylephrine in Spinal Anesthesia in Preeclamptic PatientsCompletedNCT00458003Not applicableResults posted
• The Effects of Phenylephrine Compared With Those of Placebo and Pseudoephedrine on Nasal Congestion in Subjects With Seasonal Allergic Rhinitis (SAR)(P04579)CompletedNCT00276016Phase 3Results posted
• Effect of Continuous Phenylephrine Infusion on Preventing Shivering After Spinal Anesthesia in Cesarean SectionCompletedNCT07663149Not applicable
• Norepinephrine vs. Phenylephrine for Hypotension in Low-Dose Spinal Anesthesia for Cesarean DeliveryCompletedNCT07327320Phase 4
• Norepinephrine vs. Phenylephrine for Spinal Hypotension in Cesarean SectionCompletedNCT07153601Not applicable
• Norepinephrine and Phenylephrine for Spinal Anesthesia-induced Hypotension.CompletedNCT06508359Not applicable
• ED90 of Norepinephrine and Phenylephrine Infusions Under Intensive TreatmentCompletedNCT06158048Not applicable
• ED90 of Norepinephrine and Phenylephrine Infusions in Preeclamptic PatientsCompletedNCT06158022Not applicable
• ED90 of Norepinephrine and Phenylephrine Boluses Under Intensive TreatmentStatus unknownNCT06158009Not applicable
• Vasopressor Outcomes in Spine SurgeryCompletedNCT06053398Early Phase 1
• Epinephrine Infusion for Prophylaxis Against Maternal Hypotension After Spinal Anesthesia for Cesarean DeliveryCompletedNCT05881915Not applicable
• Comparative Analytical Study of Intravenous Bolus Dose of Mephentermine and Phenylephrine for Hemodynamic Stability During Elective Cesarean Section Under Spinal Anesthesia at KIST Medical College and Teaching HospitalCompletedNCT05706727Phase 3
• Effects of Vasopressors on Cerebral Hemodynamics in Patients With Carotid Endarterectomy (TCD Part)CompletedNCT05665881Not applicable
• Sex Differences in Sympathetic Vascular Reactivity at High AltitudeCompletedNCT05525416Not applicable
• Intramuscular Phenylephrine HCL for Prevention of Spinal Anesthesia Induced HypotensionCompletedNCT05348980Phase 4
• Effects of Vasopressor on the Graft Blood Flow in TRAMCompletedNCT05049278Not applicable
• Phenylephrine and Pulse Pressure VariabilityCompletedNCT05011357Early Phase 1
• Effect of Three Weight-adjusted Vasopressors for Elective Cesarean DeliveryCompletedNCT04991662Phase 4
• Changes in Vital Signs and Pupil Diameter Related to Pharmacologic Mydriasis in Premature Infants: A Randomized Double Blind Clinical StudyCompletedNCT04838665Phase 4
• Effect of Intracameral Phenylephrine/Ketorolac on Intraoperative PainWithdrawnNCT04829799Phase 4
• The Effects of Iontophoresed Vasoactive Drugs on Cutaneus Blood FlowTerminatedNCT04777383Not applicable
• Study to Find Out Whether Participants With a History of Stuffy Nose Due to Allergic Reactions in the Nose Would Intend to Buy Drug Phenylephrine Hydrochloride Extended Release Tablets After Receiving it Once in This StudyCompletedNCT04534452Phase 3
• Evaluation of Patients After Cardiac Surgery: Novel Ultrasound Parameters for Quantification of Renal Perfusion & Analysis of Phenylephrines' Effect on Invasive Haemodynamics and Echocardiographic MeasuresCompletedNCT04419662Phase 4
• Blood PREssure Augmentation in Large-vessel Occlusion Stroke StudyTerminatedNCT04218773Early Phase 1
• The Effect of Vasopressors on Cerebral Oxygentaion During Off Pump CABGCompletedNCT04214145Not applicable
• Norepinephrine Versus Phenylephrine for Preventing Spinal Anesthesia Induced Hypotension in ElderlyCompletedNCT04195321Phase 4
• Noradrenaline Infusion Versus Phenylephrine Infusion in Improving Serum Lactate Level in HIPECCompletedNCT04144465Not applicable
• Intraoperative Phenylephrine Infusion to Reduce Postoperative Shivering in Lower Segment Caesarean SectionCompletedNCT04133961Not applicable
• Methylene Blue as a Third-line Vasopressor in Septic ShockStatus unknownNCT04089072Phase 2
• Norepinephrine and Phenylephrine, Which Better for Elderly?Status unknownNCT04067817Phase 3
• Performance of Rigid Gas Permeable (RGP) Scleral Contact Lenses With a Passive Artificial IrisTerminatedNCT04040790Not applicable
• Maternal Haemodynamic Changes After Crystalloid Co-loading and Phenylephrine Versus Phenylephrine Alone During Spinal Anaesthesia for Elective Caesarean DeliveryCompletedNCT04026685Not applicable
• Prophylactic Phenylephrine Co-administration During Caesarean SectionCompletedNCT04005664Not applicable
• Effect of Phenylephrine Versus Norepinephrine on Venous ReturnStatus unknownNCT03872570Phase 4
• Hemodynamics During Induction of General Anesthesia After Prophylactic Ephedrine, Phenylephrine or Norepinephrine.CompletedNCT03864094Phase 4
• Comparison of Phenylephrine and Ephedrine in the Treatment of Hemodynamic Disorders After Spinal Anesthesia in the ElderlyCompletedNCT03858465Not applicable
• Influence of Continuous Administration of Phenylephrine Versus Dobutamine on Spinal Oxygen Saturation, Measured With Near-infrared Spectroscopy (NIRS).CompletedNCT03846765Phase 4
• The Phenylephrine vs. Norepinephrine Infusion Undergoing Cesarean SectionCompletedNCT03833895Phase 2/3
• Influence of a Bolus Administration of Ephedrine and Phenylephrine on the Spinal Oxygen Saturation, Measured With NIRS.CompletedNCT03767296Phase 4
• Effect of Changing Physiological Conditions on Myogenic Oscillations: Pilot StudyCompletedNCT03719001Early Phase 1
• The Effect of Local Antioxidant Therapy on Racial Differences in VasoconstrictionCompletedNCT03680404Phase 1
• Preventive Intramuscular Phenylephrine in Elective Cesarean Section Under Spinal AnesthesiaCompletedNCT03507387Not applicable
• Three Protocols for Phenylephrine Administration in Cesarean DeliveryCompletedNCT03302039Phase 4
• Phenylephrine Infusion in Cesarean DeliveryStatus unknownNCT03248817Phase 4
• Phenylephrine or Norepinephrine for a Better Hemodynamic StabilityCompletedNCT03215797Phase 3
• Effect of Vasopressors on Spinal Anaesthesia Induced HypotensionCompletedNCT03163914Phase 4
• A Study of the Pharmacokinetic and Pharmacodynamic Responses in Healthy and Altered Human Cardiovascular SystemsTerminatedNCT03098680Phase 1
• Ephedrine and Phenylephrine for Spinal HypotensionCompletedNCT03047109Phase 2/3
• Phenylephrine and Noradrenaline for Post Spinal Anesthesia HypotensionCompletedNCT03015857Phase 2
• Effectiveness of Phenylefrine in Prevention of Hypotension During Spinal Anesthesia for Cesarean DeliveryCompletedNCT02979405Phase 4
• A Comparison of Intermittent Intravenous Boluses of Phenylephrine and Norepinephrine to Prevent Spinal-induced Hypotension in Cesarean DeliveriesCompletedNCT02962986Not applicable
• Phenylephrine and Hypotension During Spinal Anesthesia for Cesarean SectionCompletedNCT02958215Phase 2
• Desloratadine,Phenylephrine Hcl,Ibuprofen Compared to Placebo in Treatment of Symptoms Associated With Common Cold/FluSuspendedNCT02904304Phase 3
• Intravenous Bolus of Phenylephrine vs. Norepinephrine in Preventing Hypotension After Spinal AnesthesiaCompletedNCT02854787Phase 4

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