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Recruiting NCT05914649

NCT05914649 NC Testing in LC & POTS

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Clinical Trial Summary
NCT ID NCT05914649
Status Recruiting
Phase
Sponsor University of Calgary
Condition Postural Orthostatic Tachycardia Syndrome
Study Type INTERVENTIONAL
Enrollment 100 participants
Start Date 2024-09-19
Primary Completion 2030-12-31

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age 60 Years
Study Type INTERVENTIONAL
Interventions
IV normal saline (999 mL infusion)IV normal saline (50 mL infusion)

Eligibility Fast-Check

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What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

This trial targets 100 participants in total. It began in 2024-09-19 with a primary completion date of 2030-12-31.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

Patients with Postural Orthostatic Tachycardia Syndrome (POTS) and Post-Acute Sequelae of COVID (PASC, or "Long COVID") experience cognitive dysfunction. The investigators will test the hypothesis that 999 mL of IV saline will improve cognitive function in patients with POTS and Long COVID compared to placebo (50 mL of saline).

Eligibility Criteria

Inclusion Criteria: * Patients with diagnosis of Long COVID * SARS-COV2 test positive * Symptoms \> 12 weeks post COVID * Subjective complaint of 'brain fog" or cognitive dysfunction * Patients with diagnosis of Postural Orthostatic Syndrome (POTS) from the Calgary Autonomic Investigation and Management Clinic * Subjective complaint of 'brain fog" or cognitive impairment * Healthy participants * Without POTS or "brain fog" * Age 18 to 60 years * Female and Male * Able to give an informed consent Exclusion Criteria: * Patients with overt causes for POTS (e.g., dehydration, prolonged bed rest) * An inability to safely withdraw from medicine(s) that could make test interpretation difficult and impossible. * Other factors which are in the investigator's opinion would prevent the participant from completing the protocol, including poor compliance during previous studies or an unpredictable schedule. * Unable to give an informed consent.

Contact & Investigator

Central Contact

Satish R Raj, MD MSCI

✉ autonomic.research@ucalgary.ca

📞 (403)210-6152

Principal Investigator

Satish R Raj, MD MSCI

PRINCIPAL INVESTIGATOR

University of Calgary

Frequently Asked Questions

Who can join the NCT05914649 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, up to 60 Years, studying Postural Orthostatic Tachycardia Syndrome. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

Is NCT05914649 currently recruiting?

Yes, NCT05914649 is actively recruiting participants. Contact the research team at autonomic.research@ucalgary.ca for enrollment information.

Where is the NCT05914649 trial being conducted?

This trial is being conducted at Calgary, Canada.

Who is sponsoring the NCT05914649 clinical trial?

NCT05914649 is sponsored by University of Calgary. The principal investigator is Satish R Raj, MD MSCI at University of Calgary. The trial plans to enroll 100 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: September 2026  ·  Data Methodology