Clinical trials: Vasoconstriction
Hormone Therapy
Hormone Therapy and Angiotensin-Dependent Arterial and Renal Vasoconstriction in Humans
1. to investigate the association between route of administration of exogenous estrogen (transdermal vs. oral) and cardiorenal risk in cisgender (gender identity aligning with sex at birth) and transgender (gender identity not…
- Trial name
- NCT05442463
- Testing
- Captopril Tablets, Iohexol
- Where
- Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Vasoconstriction, Vasodilation
Sympathetic Neurovascular Transduction: Role of Adrenergic Receptors and Sex Differences
The main purpose of this interventional study is to examine differences in resting blood pressure control between healthy males and females. The main questions it aims to answer are: 1.
- Trial name
- STARS (NCT05997732)
- Testing
- Phenylephrine Hydrochloride, Isoproterenol Hydrochloride, Norepinephrine Bitartrate
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Healthy, Peripheral Vascular Disease
The Effect of Heat on Blood and Oxygen Flow Readings Part 2
This is the second part of a research study in order to determine if using a specialized pulse oximetry probe with external heat pack will help obtain oxygen saturation (SaO2) and heart rate (HR) during monitoring for patients…
- Conditions
- Healthy, Peripheral Vascular Disease, Vasoconstriction
- Trial name
- NCT01992939
- Testing
- Specialized pulse oximetry probe with external heat pack, Standard of Care Pulse Oximetry Probe
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- VA Pittsburgh Healthcare System
Vasodilation, Vasoconstriction
Sex Differences in Sympathetic Vascular Reactivity at High Altitude
This study aims to investigate sex differences in blood pressure control associated with exposure to acute hypoxia (low oxygen), and short term acclimatization to hypoxia at high altitude.
- Trial name
- NCT05525416
- Testing
- Sodium Nitroprusside, Phenylephrine Hydrochloride, Norepinephrine
- Where
- 2 sites in Canada
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Healthy
The Dose-response Study of Topically Delivered Halobetasol Propionate Ointment in Normal Skin in Healthy Adult Subjects
The purpose of this study is to determine the duration of application of halobetasol propionate 0.05% ointment to be used in a definitive study of bioequivalence of to formulations of this ointment.
- Trial name
- NCT00865267
- Testing
- Ultravate® 0.05% ointment, single exposure
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Actavis Inc.
Vasodilation, Vasoconstriction
Sex Differences in Sympathetic Activity and Vascular Reactivity During Acute and Chronic Hypoxia.
This study aims to investigate sex differences in blood pressure control associated with exposure to acute hypoxia (low oxygen), and short term acclimatization to hypoxia at high altitude.
- Trial name
- NCT05001048
- Testing
- Phenylephrine Hydrochloride, Cold Pressor Test, Isocapnic Acute Hypoxia
- Where
- 2 sites in Canada
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Bioequivalence Study
Bio-equivalence Vasoconstriction Activity Study for Topically Applied Clocortolone Pivalate 0.1% Cream
To compare pharmacodynamic vasoconstriction response profile of Clocortolone Pivalate 0.1% Cream and Cloderm® (Clocortolone Pivalate) 0.1% Cream in normal skin of healthy male and female adults
- Trial name
- NCT04358770
- Testing
- Clocortolone Pivalate
- Where
- United States
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- Sun Pharmaceutical Industries, Inc.
Vasoconstriction, Healthy
Impact of Insulin on Sympathetic Nervous System-mediated Peripheral Vasoconstriction
The purpose of this project is to determine if hyperinsulinemia attenuates sympathetic nervous system-mediated vasoconstriction in the human leg.
- Conditions
- Vasoconstriction, Healthy, Insulin Resistance
- Trial name
- NCT05244694
- Testing
- Insulin
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Vasoconstriction
Evaluation of the Vasoconstriction Properties of MC2-01 Cream
The objective of this trial is to compare the vasoconstriction potential
- Trial name
- NCT03758365
- Testing
- MC2-01 Cream, Clobetasol Propionate 0.05% Lotion, Betamethasone Dipropionate 0.05% Cream
- Where
- France
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- MC2 Therapeutics
Hypertension, Cancer
Bevacizumab and Vasoconstriction
Rationale: The introduction of angiogenesis inhibitors has remarkably improved treatment of patients with several types of cancer. One of the most common side effects of angiogenesis inhibitors is hypertension.
- Trial name
- BVZ1 (NCT00929058)
- Testing
- Bevacizumab
- Where
- Netherlands
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Altitude Sickness, Hypertension, Pulmonary
AZ, MZ, and the Pulmonary System Response to Hypoxia
The purpose of this proposal is to compare the physiological effects of acetazolamide (AZ) and methazolamide (MZ) on the control of breathing and hypoxic pulmonary vasoconstriction.
- Trial name
- NCT02760121
- Testing
- Acetazolamide, Methazolamide
- Where
- Canada
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of British Columbia
Pulmonary Arterial Hypertension, Vasodilation
Role of Endothelin-A (ETA) and Endothelin-B (ETB) Receptors in the Vasodilatory Response to Endothelin-3 (ET-3)
Endothelin-1 (ET-1) has been linked to a number of conditions including pulmonary arterial hypertension (PAH). ET-1 acts via 2 receptors, ETA and ETB.
- Conditions
- Pulmonary Arterial Hypertension, Vasodilation, Vasoconstriction
- Trial name
- NCT01100736
- Testing
- Bosentan, Sitaxsentan, Endothelin-3
- Where
- United Kingdom
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Cardiovascular Diseases, Cardiovascular Risk Factor
The Effect of Local Antioxidant Therapy on Racial Differences in Vasoconstriction
The goal of this study is to examine possible mechanisms of heightened vasoconstriction in Black/African American men and women as possible links to the elevated prevalence of cardiovascular dysfunction and disease.
- Conditions
- Cardiovascular Diseases, Cardiovascular Risk Factor, Vasoconstriction
- Trial name
- NCT03680404
- Testing
- Control (Phenylephrine), Phenylephrine + Apocynin, Phenylephrine + Allopurinol
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- The University of Texas at Arlington
Cardiovascular Diseases, Cardiovascular Risk Factor
The Effect of Endothelin and L-Arginine on Racial Differences in Vasoconstriction
The goal of the study is to examine the possible mechanisms of impaired cutaneous microvascular function through local heating along with administration of vasoconstrictors.
- Conditions
- Cardiovascular Diseases, Cardiovascular Risk Factor, Vasoconstriction
- Trial name
- NCT03679780
- Testing
- BQ-788, BQ-123, L-Arginine
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- The University of Texas at Arlington
Vasoconstriction Disorder of Extremities
Response of the Autonomic Nervous System to Auricular Stimulation of the Vagus Nerve (x)
While invasive vagal stimulation has proven its therapeutic effectiveness over the past 20 years, particularly in the treatment of epilepsy or depression, its implementation is hampered by the high cost, high technicality and…
- Trial name
- AURIX (NCT04130893)
- Testing
- stimulation of G13 then G15, stimulation of G15 then G13
- Where
- France
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Hôpital Européen Marseille
Healthy
The Dose-response "Pilot" Study of Topically Delivered Clobetasol Propionate Lotion in Healthy Adult Subjects
To determine the dose-response relationship for Clobex TM (clobetasol propionate) Lotion, 0.05%. This information will be used to estimate the ED50, D1, D2 parameters for use in a full bioequivalence study.
- Trial name
- NCT00864240
- Testing
- Clobex TM (Clobetasol) 0.05% Lotion, single exposure
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Actavis Inc.
Diabetic Neuropathy Peripheral, Small Vessel Disease of Diabetes Mellitus
Microcirculatory Vasomotor Changes in Type 2 Diabetes With Peripheral Neuropathy
Microcirculatory flow is subject to cyclic changes under the influence of heart rate, respiration, myogenic activity, neurogenic factors and endothelial factors.
- Conditions
- Diabetic Neuropathy Peripheral, Small Vessel Disease of Diabetes Mellitus, Vasodilation, Vasoconstriction
- Trial name
- NEUROMICRO (NCT03847779)
- Testing
- "Rest", "Exercise", "Foot lowering"
- Where
- France
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- University of Avignon
Psoriasis Vulgaris
A Vasoconstriction Study With LEO 90100
The purpose of this study is to compare the pharmacodynamic activity of LEO 90100 with Dermovate® cream, Dovobet® ointment, betamethasone dipropionate in LEO90100 vehicle, Synalar® ointment and LEO 90100 vehicle using a human…
- Trial name
- NCT01946386
- Testing
- LEO 90100 Aerosol, foam, Betamethasone dipropionate in LEO 90100 Aerosol, foam, vehicle, LEO 90100 Aerosol, foam, vehicle
- Where
- France
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- LEO Pharma
Hypoxic Pulmonary Vasoconstriction, Hypoxemia
Effects in Oxygenation and Hypoxic Pulmonary Vasoconstriction in ARDS Secondary to SARS-CoV2
Summary Currently, the COVID-19 pandemic has overtaken health systems worldwide, exceeding the capacity of intensive care units.
- Conditions
- Hypoxic Pulmonary Vasoconstriction, Hypoxemia, Acute Respiratory Distress Syndrome, SARS-CoV-2 Acute Respiratory Disease
- Trial name
- COVID-19 (NCT04998253)
- Testing
- Effects in oxygenation and hypoxic pulmonary vasoconstriction
- Where
- Mexico
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Unidad Temporal COVID-19 en Centro Citibanamex
Hypoxic Pulmonary Vasoconstriction
Effects of Iloprost on Hypoxic Pulmonary Vasoconstriction and Exercise Capacity at High Altitude
The objective of this study is to determine if single dose administration of inhaled iloprost will reduce pulmonary artery pressure, reduce hypoxic pulmonary vasoconstriction and improve arterial oxygenation at rest and during…
- Trial name
- NCT00708565
- Testing
- iloprost
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- VA Loma Linda Health Care System