Clinical trials: Right to Left Shunt
White Matter Disease, Right-to-left Shunt
The Relationship Between Right-to-left Shunt and Brain White Matter Lesions in Patients With Migraine
The purpose of the study is to evaluate the prevalence of white matter lesions in Chinese migraineurs with and without right-to-left shunt.
- Conditions
- White Matter Disease, Right-to-left Shunt, Migraine Disorders
- Trial name
- CAMBRAIN (NCT03418766)
- Where
- China
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- The First Hospital of Jilin University
Embolic Stroke of Undetermined Source, Transient Ischemic Attack
RoBotic TCD Ultrasound BubbLe Study Compared to Transthoracic Echocardiography for Detection of Right to Left Shunt
This study is a multi-center, prospective, single-arm, non-significant risk (NSR) device study in which up to 150 evaluable subjects with suspicion of embolic stroke of undetermined source (ESUS) will be evaluated with NB-IS TCD…
- Conditions
- Embolic Stroke of Undetermined Source, Transient Ischemic Attack, Right-To-Left Atrial Shunt, Patent Foramen Ovale
- Trial name
- BUBL (NCT04604015)
- Testing
- NeuralBot Investigational System, Transthoracic Echocardiography (TTE)
- Where
- 7 sites in United States
- Volunteers
- 154 people
- Sponsor
- NeuraSignal Inc dba NovaSignal
Pulmonary Embolism (PE), Right-to-Left Shunt
Pulmonary Embolism and Right-to-Left Shunts
Every fetus has a small hole in their heart, called a foramen ovale when they are developing in the womb. For most people this hole closes shortly after birth, but it doesn't close completely in 1 out of every 4 people.
- Conditions
- Pulmonary Embolism (PE), Right-to-Left Shunt, Stroke, Atrial Septal Defects
- Trial name
- PEaRLS (NCT07519876)
- Where
- United States
- Volunteers
- 256 people
- Sponsor
- Tufts Medical Center
Sedation and Analgesia
a Comparive Study of Ketamine-Propofol Versus Dexmedetomidine-Propofol Sedation in Pediatric Patients Undergoing Cardiac Catheterization for Device Closure of Simple Left-to-right Shunts
This study aims To compare the safety and efficacy of ketamine-propofol versus dexmedetomidine-propofol sedation in pediatric patients undergoing cardiac catheterization for device closure of simple left-to-right shunts
- Trial name
- NCT07669012
- Testing
- Ketamine + propofol, Dexmedetomidine + propofol
- Where
- Egypt
- Volunteers
- 124 people
- Sponsor
- Ain Shams University
Right-to-left Shunt, Migraine
Registry of Right-to-left Shunt Detection by Contrast-enhanced Transcranial Doppler in Chinese Population
The purpose of the study is to evaluate the prevalence and extent of right-to-left shunt (RLS) in Chinese migraineurs, and the morbidity of silent cerebral infarction in migraineurs.
- Conditions
- Right-to-left Shunt, Migraine, Cerebral Infarction
- Trial name
- NCT02425696
- Where
- China
- Volunteers
- 1,100 people, healthy volunteers welcome
- Sponsor
- Yingqi Xing
Right-To-Left Shunt
Comparing the Safety and Efficacy of ASI-02 to Agitated Saline for Suspected Right-to-left Shunt
This is a phase 3, multicenter, open-label, blinded, crossover trial in which each participant will undergo a randomized sequence of ASI-02 and agitated saline standard of care (SoC) via a saline contrast transthoracic…
- Trial name
- ENHANCE (NCT06938347)
- Testing
- Agitated Saline SoC, ASI-02
- Where
- 8 sites in United States, Canada
- Volunteers
- 300 people
- Sponsor
- Agitated Solutions, Inc.
Migraine, Headache
Ticagrelor Therapy for RefrACTORy Migraine Study
This is a prospective, open-label, single-arm pilot study treating 40 subjects to assess the hypothesis that P2Y, G protein-coupled 12 (P2Y12) inhibition with Brilinta/ticagrelor (90 mg by mouth (PO) twice a day) reduces episodic…
- Conditions
- Migraine, Headache, Migraine Headache
- Trial name
- TRACTOR (NCT02518464)
- Testing
- Ticagrelor 90 mg twice per day
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Columbia University
Migraine Disorders, Patent Foramen Ovale
Effects of PFO Closure on Glymphatic Function and Clinical Symptoms in Patients With Migraine
Patent Foramen Ovale (PFO) is a common congenital heart defect. Recent studies have suggested a potential association between PFO and migraines, particularly migraine with aura.
- Conditions
- Migraine Disorders, Patent Foramen Ovale, Right-to-Left Shunt, Cardiac
- Trial name
- NCT07170176
- Testing
- Percutaneous Patent Foramen Ovale Closure, No Intervention
- Where
- 2 sites in China
- Volunteers
- 150 people
- Sponsor
- First Affiliated Hospital Xi'an Jiaotong University
Patent Foramen Ovale
Cardiox Shunt Detection Technology Study
The CARDIOX Flow Detection System is designed to detect the presence of indocyanine green (ICG) dye in the blood and is being investigated to establish its efficacy in detecting the presence of right to left cardiac shunt (RTLS).
- Trial name
- NCT01333761
- Testing
- Cardiox FDS
- Where
- 7 sites in United States
- Volunteers
- 71 people
- Sponsor
- Cardiox Corporation
Cognitive Impairment
Determining the Impact of Shunting and CerebroVascular Reactivity on 7T MRI (DISCoVeR 7T MRI)
The purpose of this study is to use transcanial doppler (TCD) ultrasound to look for possible risk factors for ischemic brain injury.
- Trial name
- DISCoVeR (NCT03291340)
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- University of Pennsylvania
Heart Failure
The AFteR Registry - Follow-up Study to Monitor the Efficacy and Safety of the Occlutech AFR in Heart Failure Patients
This study aims to monitor the safety and efficacy of Occlutech AFR device in patients with Heart Failure.
- Trial name
- AFR Registry (NCT04405583)
- Testing
- Occlutech Atrial Flow Regulator
- Where
- 36 sites in France, Germany and 6 more
- Volunteers
- 150 people
- Sponsor
- Occlutech International AB
Patent Foramen Ovale (PFO)
Non-Invasive Detection of Right-to-Left Cardiac Shunts
This study will test the sensitivity of a novel, battery-powered, non-invasive ultrasound device to detect a right-to-left shunt
- Trial name
- HEADBAND (NCT07420400)
- Testing
- Point-of-care ultrasound
- Where
- United States
- Volunteers
- 75 people
- Sponsor
- Scripps Health
Heart Failure, Heart Murmurs
Retrospective Evaluation of Carvedilol Versus Captopril in CHF Patients
This is a retrospective chart review examining our experience with carvedilol in CHF secondary to left-to-right heart shunt lesions. The treatment group will be children who have received carvedilol.
- Trial name
- NCT00249067
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Children's Healthcare of Atlanta
Patent Foramen Ovale, Embolism
Evaluation of the Severity of Right to Left Shunt in PFO Patients After Systemic Embolism
The aim of the project is to identify new risk indicators of PFO. The evaluation of the R-L shunt is based on the newly developed precise measurement technique.
- Trial name
- NCT04610463
- Testing
- Cardiac flow measurement
- Where
- 6 sites in Czechia
- Volunteers
- 150 people
- Sponsor
- University Hospital Hradec Kralove
Patent Foramen Ovale, Cryptogenic Stroke
Long-term Outcomes After Percutaneous Patent Foramen Ovale Closure (Severance PFO Registry)
Patent foramen ovale (PFO) is a congenital interatrial communication present in about one quarter of the general population and is recognized as a major cause of cryptogenic stroke.
- Conditions
- Patent Foramen Ovale, Cryptogenic Stroke, Transient Ischemic Attack Due to Embolism, Atrial Fibrillation
- Trial name
- NCT07724171
- Where
- South Korea
- Volunteers
- 400 people
- Sponsor
- Yonsei University
Varicose Veins
Safety Study of Varisolve® Procedure for Treatment of Varicose Veins in Patients With Right-to-left Cardiac Shunt
The purpose of this study is to determine the safety of the Varisolve® procedure in patients with right-to-left cardiac shunt (a defect in the heart).
- Trial name
- MRI (NCT00442364)
- Testing
- Polidocanol (1%) Microfoam (Varisolve), Endovenous Microfoam Occlusion
- Where
- 7 sites in United States
- Volunteers
- 60 people
- Sponsor
- Boston Scientific Corporation
Right to Left Shunt, Patent Foramen Ovale
Right to Left Cardiac Shunt Detection
The purpose of this study is to evaluate the sensitivity and specificity of the Cardiox Flow Detection System (FDS) in identifying an intracardiac right-to-left shunt (RLS) compared to the results of transesophageal…
- Conditions
- Right to Left Shunt, Patent Foramen Ovale, Atrial Septal Defect
- Trial name
- PFO Detection (NCT01773252)
- Testing
- Flow Detection System
- Where
- 8 sites in United States
- Volunteers
- 141 people
- Sponsor
- Cardiox Corporation
Pediatric Pulmonary Hypertension
Efficacy of Beraprost in Lowering Pulmonary Arterial Pressure in Children
To analyze the efficacy of beraprost and sildenafil for treatment of pulmonary hypertension in children with left to right shunt. analyze the efficacy and side effects.
- Trial name
- NCT03431649
- Testing
- Beraprost Sodium, Sildenafil Citrate
- Where
- Indonesia
- Volunteers
- 40 people
- Sponsor
- Dr. Soetomo General Hospital
Ventricular Septal Defects, Persistent Common Atrioventricular Canal
Optimal Timing for Repair of Left to Right Shunt Lesions
The purpose of this study is to determine the optimal timing for repair of left-to-right shunt lesions such as ventricular septal defects and atrioventricular canals.
- Trial name
- NCT00229827
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Children's Healthcare of Atlanta
Migraine
Migraine Prophylaxis With Clopidogrel Trial
The underlying mechanisms of association between the right-to-left shunts (RLS) and migraine may concern with platelet aggregation and paradoxical embolization.
- Trial name
- NCT02938182
- Testing
- clopidogrel
- Where
- China
- Volunteers
- 50 people
- Sponsor
- First Affiliated Hospital Xi'an Jiaotong University