Actively Recruiting

Phase Not Applicable
Age: 18Years +
All Genders
Healthy Volunteers
NCT05421208

Cardiovascular Autonomic and Immune Mechanism of Post COVID-19 Tachycardia Syndrome

Led by Vanderbilt University Medical Center · Updated on 2026-01-20

60

Participants Needed

1

Research Sites

265 weeks

Total Duration

On this page

Sponsors

V

Vanderbilt University Medical Center

Lead Sponsor

A

American Heart Association

Collaborating Sponsor

AI-Summary

What this Trial Is About

The term post-acute COVID-19 syndrome or Long COVID is a disabling syndrome that persists beyond the 3-month convalescence period after COVID-19 infections. This syndrome affects mostly women (\~80%), present with chronic tachycardia and Orthostatic intolerance symptoms without any identifiable cause. In addition, non-specific symptoms such as fatigue, headache, and "brain fog", commonly described in POTS patients are also present in this novel condition, recently named post-COVID-19 tachycardia syndrome, POTS variant. Reduced Vagal activity and unresolved inflammation is post-COVID-19 POTS is hypothesized as the cause of Long COVID

CONDITIONS

Official Title

Cardiovascular Autonomic and Immune Mechanism of Post COVID-19 Tachycardia Syndrome

Who Can Participate

Age: 18Years +
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Prior RT-PCR-confirmed COVID-19 infection
  • Presence of orthostatic tachycardia greater than 30 bpm and chronic pre-syncopal symptoms lasting more than 3 months indicating post-COVID-19 POTS
Not Eligible

You will not qualify if you...

  • History of heart disease such as myocardial infarction, angina, or heart failure
  • History of stroke or transient ischemic attack
  • Previous invasive cardiovascular procedures including bypass graft, angioplasty, valve replacement, pacemaker, or vascular surgeries
  • Uncontrolled hypertension with blood pressure consistently over 140/90
  • Post-menopausal women
  • Diabetes Mellitus Type 1 or Type 2
  • Impaired liver function
  • Impaired kidney function with eGFR less than 60 mL/min/1.73m2
  • Ongoing substance abuse
  • Mental health conditions preventing understanding of the study
  • History of seizures
  • Chronic use of steroids or NSAIDs
  • Use of biologics such as anti-IL6 (omalizumab) or anti-TNF-alpha drugs
  • Pregnancy or breastfeeding

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 1 location

1

Vanderbilt University Medical Center

Nashville, Tennessee, United States, 37232

Actively Recruiting

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Research Team

M

Meena Vinayagam, M.D.

CONTACT

C

Cyndya Shibao, MD

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

SINGLE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

DIAGNOSTIC

Number of Arms

2

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