Clinical trials: Vasopressor
Hypotension
Norepinephrine To Prevent Hypotension After Spinal Anesthesia For Cesarean Delivery: A Dose Finding Study
Spinal anesthesia is the most common anesthetic technique for elective Cesarean delivery (CD), but the most frequent unwanted side effect is hypotension, which can cause nausea and vomiting, as well as effects on the fetus.
- Trial name
- NCT02654847
- Testing
- Norepinephrine, Normal Saline
- Where
- Canada
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Samuel Lunenfeld Research Institute, Mount Sinai Hospital
Septic Shock
Midodrine Use in Septic Shock
The investigators aim to perform a randomized, double-blind, placebo-controlled trial to investigate the efficacy of midodrine in decreasing time to IV vasopressor liberation in patients with septic shock.
- Trial name
- NCT03706053
- Testing
- Midodrine Hydrochloride
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Virginia
Cesarean Section, Cardiac Output
Best Regimen for Phenylephrine Administration During Cesarean Section
During Cesarean delivery, phenylephrine is used to maintain the patient's blood pressure. Low blood pressure is the most common side effect of the spinal medication used to anesthetize the patient prior to the start of surgery.
- Conditions
- Cesarean Section, Cardiac Output, Hypotension
- Trial name
- NCT00996190
- Testing
- Phenylephrine
- Where
- Canada
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Samuel Lunenfeld Research Institute, Mount Sinai Hospital
Transversus Abdominis Plane Block
Plasma Concentrations of Levobupivacaine With and Without Epinephrine in Transversus Abdominis Plane Blocks
The aim of this study is to determine the effect of the addition of vasoconstrictor in the plasma concentrations achieved and the extent of the transversus abdominis plane block in healthy male volunteers.
- Trial name
- NCT01596998
- Testing
- Levobupivacaine with epinephrine, Levobupivacaine without epinephrine, Monitoring
- Where
- Chile
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Pontificia Universidad Catolica de Chile
Endotoxemia
Effects of Vasopressors on Immune Response
Noradrenaline is a catecholamine and the cornerstone treatment for the improvement of hemodynamic parameters in septic shock. Catecholamines exert profound immunomodulatory effects.
- Trial name
- NCT02675868
- Testing
- Norepinephrine, Phenylephrine, Vasopressins
- Where
- Netherlands
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Radboud University Medical Center
Hypotension
Up-Down Determination of the ED90 of Metaraminol to Treat Hypotension During Cesarean Section
The purpose of this study is to find the best dose of metaraminol to be used in patients during elective cesarean sections.
- Trial name
- NCT01108874
- Testing
- Metaraminol
- Where
- Brazil
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Federal University of São Paulo
Pain, Trismus
2%-Mepivacaine With Two Different Vasoconstrictors Solutions in Third Molar Surgery a Comparative Study
Dental treatments, particularly third molars extraction, can become extremely uncomfortable and painful. They are associated to anxiety, fear and many other unpleasant sensations.
- Conditions
- Pain, Trismus, Edema
- Trial name
- NCT02603198
- Testing
- mepivacaine chloridrato epinephrine, mepivacaine chloridrato levonordefrin
- Where
- Brazil
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Liver Failure
Study to Evaluate if the Drug Vasopressin Protects the Kidneys for Patients Undergoing Liver Transplant
The purpose of this study is evaluate the medication vasopressin for its ability to preserve kidney function in patients undergoing liver transplantation.
- Trial name
- NCT00886262
- Testing
- Vasopressin
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Cerebral Perfusion Pressure, Vasopressor Agents
Physiologic Study of Cerebral Perfusion
The aim of the study is to measure cerebral perfusion using MRI in healthy subjects (with and without sedation) and in vasopressor-dependent patients
- Conditions
- Cerebral Perfusion Pressure, Vasopressor Agents, Shock, Magnetic Resonance Imaging (MRI), Functional
- Trial name
- NCT02744625
- Testing
- Higher doses of vasopressor therapy for a MAP of 75 mmHg, Lower doses of vasopressor therapy for a MAP of 65 mmHg, Propofol for light sedation
- Where
- Canada
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Centre de recherche du Centre hospitalier universitaire de Sherbrooke
Hypotension
Closed-loop Double-vasopressor Automated System to Treat Hypotension During Spinal Anaesthesia for Caesarean Section
Hypotension occurs commonly during spinal anesthesia for caesarean section with maternal and fetal adverse effects. The investigators developed a double-vasopressor automated system incorporating continuous non-invasive arterial…
- Trial name
- NCT04025918
- Testing
- Vasopressor automated delivery system, Phenylephrine, Ephedrine
- Volunteers
- 216 people, healthy volunteers welcome
- Sponsor
- KK Women's and Children's Hospital
Healthy
Comparison of Intranasal Oxytocin Effects Using Co-administration With a Vasoconstrictor
This study aims to dissociate direct from indirectly mediated effects of intranasal oxytocin administration by using treatment with or without prior intranasal administration of a vasoconstrictor to reduce peripheral increases in…
- Trial name
- NCT04134663
- Testing
- vasoconstrictor and oxytocin treatment
- Where
- China
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- University of Electronic Science and Technology of China
Cesarean Section Complications
Effect of Three Weight-adjusted Vasopressors for Elective Cesarean Delivery
This study compared the effects of prophylactic infusion of metaraminol, phenylephrine and norepinephrine adjusted according to body weight on fetal acid-base balance and maternal hemodynamics.
- Trial name
- NCT04991662
- Testing
- metaraminol, Phenylephrine, Norepinephrine
- Where
- China
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Xuzhou Medical University
Intraoperative Hypotension
Do Compression Stockings Used During Cesarean Sections Affect Intraoperative Hypotension and Nausea?
The present study aimed to determine the effects of compression stockings used during cesarean section on intraoperative hypotension.
- Trial name
- NCT06707428
- Testing
- compression stockings
- Where
- Turkey (Türkiye)
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- TC Erciyes University
Healthy Adult Male
Oxytocin's Effects on Emotional Processing and Its Acting Routes
The main goal of this study is to investigate the modulatory effects of intranasally administrated oxytocin on the processing of emotional stimuli and its acting routes.
- Trial name
- NCT07425938
- Testing
- vasoconstrictor (Otrivin), oxytocin
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Electronic Science and Technology of China
Healthy
A Randomized, Double-Blind, Trial Comparing Epinephrine Versus Phenylephrine as a Vasoconstrictor in Regional Anesthesia for Upper Extremity Surgery
The study involves research, the purpose of which is to compare three different drug mixtures (Epinephrine, Phenylephrine 25 µg, or Phenylephrine 50 µg). Specifically, how long each medicine lasts will be studied.
- Trial name
- NCT00225043
- Testing
- Epinephrine/phenylephrine
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- New York Presbyterian Brooklyn Methodist Hospital
Cardiac Output, Low
Cardiac Index Changes With Ephedrine, Phenylephrine, Ondansetron and Norepinephrine During Spinal Anesthesia
The purpose of the study is to evaluate the cardiac output changes after an intravenous bolus of ephedrine, phenylephrine, ondansetron or norepinephrine during a spinal anesthetic for a cesarean delivery.
- Trial name
- EPhON (NCT03421860)
- Testing
- cardiac output changes with "ephedrine", cardiac output changes with "phenylephrine", cardiac output changes with "ondansetron"
- Where
- Tunisia
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University Tunis El Manar
Vasodilatory Hypotension During or After Cardiac Surgery
ANG-First Trial (Angiotensin II as First-Line Vasopressor Therapy in Cardiac Surgery)
The purpose of this research is to evaluate the use of Angiotensin II in patients with low blood pressure post-surgery. Your information will be collected for 28 days post the procedure and initiation of the study drug to assess…
- Trial name
- NCT06487585
- Testing
- Angiotensin II
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Maryland St. Joseph Medical Center
Vasoplegia
Midodrine for the Early Liberation of Vasopressor Support in the ICU (LIBERATE Multi-Site)
Vasopressors are medications that are given intravenously to increase the blood pressure of patients with illnesses that cause dangerous blood pressure drops.
- Trial name
- NCT05058612
- Testing
- Midodrine
- Where
- Canada
- Volunteers
- 870 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Hypotension
Effects of Ephedrine, Phenylephrine, Norepinephrine and Vasopressin on Contractility of Human Myometrium and Umbilical Vessels: An In-vitro Study
Hypotension is one of the most common adverse effects of spinal anesthesia for cesarean deliveries, affecting as many as 55-90% of mothers.
- Trial name
- NCT04053478
- Testing
- Ephedrine, Phenylephrine, Norepinephrine
- Where
- Canada
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- Samuel Lunenfeld Research Institute, Mount Sinai Hospital
Pregnancy, Effects of; Anesthesia, Spinal and Epidural; in Pregnancy
Effect of Different Injection Speeds for Spinal Anaesthesia in Caesarean Section
The purpose of this study is to investigate if prolonging the speed of injection during spinal anaesthesia can reduce the incidence of hypotension and/or medication requirements thereby making it safer for the mother and foetus.
- Trial name
- NCT02275897
- Testing
- Slow Speed of spinal injection, Fast Speed of spinal injection
- Where
- Malaysia
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- Ministry of Health, Malaysia