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13 Trials

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Trial + Data / Events	Status	Ph	N	Region	Interventions	Sponsor	Conditions	Primary compl	Study compl
Sheldon, Robert S
NCT02123056: Assessment of Metoprolol in the Prevention of Vasovagal Syncope in Aging Subjects	Active, not recruiting	4	52	Canada	Metoprolol, Lopressor, Toprol-XL, Mteprolol Succinate ER, Matching Placebo	University of Calgary, Vanderbilt University	Vasovagal Syncope	03/21	12/25
AAA, NCT04594746: Oral Amiodarone for Acute Cardioversion of Atrial Fibrillation Study	Recruiting	4	42	Canada	Amiodarone Hydrochloride, Cordarone, Nexterone, Placebo, Sugar Pill	University of Calgary	Atrial Fibrillation	12/27	12/27
POST7, NCT05159687: Study of Atomoxetine in the Prevention of Vasovagal Syncope	Recruiting	3	180	Canada	Atomoxetine Hydrochloride, Placebo	University of Calgary	Vasovagal Syncope	09/26	09/27
POST 9, NCT05657925: Study of Ondansetron in the Prevention of Sleep Syncope: The Nineth Prevention of Syncope Trial (POST9)	Not yet recruiting	3	24	Canada	ondansetron 8 mg, Matching placebo	University of Calgary	Sleep Syncope	12/26	12/27
POST 11, NCT05755737: A Proof of Principle Study of Ondansetron for the Prevention of Vasovagal Syncope: The Eleventh Prevention of Syncope Trial (POST11)	Recruiting	2	70	Canada	Ondansetron, Placebo	University of Calgary	Vasovagal Syncope (VVS), Syncope	12/25	12/26
NCT02673996: POTS Adrenergic Ab (CIHR Aims #1&2)	Recruiting	N/A	125	Canada	Phenylephrine, NeoSynephrine, Isoproterenol, Isuprel	University of Calgary	Postural Tachycardia Syndrome	12/24	12/25
Pacing_SV, NCT03446326: Assessment of Stroke Volume and Cardiac Output in Response to Varying Heart Rates	Recruiting	N/A	25	Canada	Pacing	University of Calgary	Vasovagal Syncope	01/27	01/28
NCT04347655: Assessing Systemic Circulation and LV Performance in Adults	Recruiting	N/A	100	Canada	handgrip test	University of Calgary	Heart Failure	12/25	12/26
NCT05295810: Hypercapnia in Orthostatic Hypotension	Recruiting	N/A	80	Canada	Sequential Gas Delivery	University of Calgary	Orthostatic Hypotension, Neurogenic Orthostatic Hypotension	12/26	05/27
NCT04271878: Hypercapnia and Orthostatic Tolerance in Postural Orthostatic Tachycardia Syndrome	Recruiting	N/A	26	Canada	RespirAct™ system (Thornhill Research Inc., Toronto, Canada)	University of Calgary	Postural Tachycardia Syndrome, Orthostatic Intolerance	12/26	12/26
NCT05908760: CO2 Rebreathing in nOH: A Proof-of-Concept Pilot Study	Recruiting	N/A	28	Canada	CO2 ReHaler	University of Calgary	Neurogenic Orthostatic Hypotension, Autonomic Failure	12/27	12/28
POST10, NCT05776810: Syncope Trial to Understand Tilt Testing or ECG Recording Tenth Prevention of Syncope Trial	Recruiting	N/A	144	Canada	Diagnostic Test: Head Up Tilt Table (HUT), Device: Implantable Loop Recorder	University of Calgary	Syncope	12/26	12/26
NCT05914649: NC Testing in LC & POTS	Recruiting	N/A	100	Canada	IV normal saline (999 mL infusion), IV normal saline (50 mL infusion)	University of Calgary	Postural Orthostatic Tachycardia Syndrome, Post Acute Sequelae of SARS CoV 2 Infection	12/28	12/29