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ClinicalTrials.gov 3 recruiting now full pipeline small index

Postural Orthostatic Tachycardia Syndrome: full-pipeline trial registry

3 of 12 indexed Postural Orthostatic Tachycardia Syndrome trials are currently recruiting.

Corpus placement: #1,429 of 28,707 conditions by registered trial count.

12 US clinical trials · 3 currently recruiting · #1,429 of 28,707 conditions by registered trial count

Postural Orthostatic Tachycardia Syndrome: 12 US clinical trials tracked, 3 recruiting.

Postural Orthostatic Tachycardia Syndrome is the subject of 12 registered US clinical trials on ClinicalTrials.gov, 3 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Vanderbilt University, running 2 of these trials.

Enrollment posture brief

Registry condition postural-orthostatic-tachycardia-syndrome

OPEN 3 | RECR 25% | LATE 1 | EARLY 1 | RANK #1429 | SPON 2

Nearest open-share peer: Abdominal Cancer (25% recruiting · 8 trials)

Acute Myeloid Leukemia in Re41.7%Adenocarcinoma of the Rectum41.7%Postural Orthostatic Tac (th…25%Adherence, Patient16.7%Accelerated Phase Chronic My0%
Open-enrollment share among volume-matched conditions near Postural Orthostatic Tachycardia Syndrome

Postural Orthostatic Tachycardia Syndrome lists 3 open slots (25% of 12 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Postural Orthostatic Tachycardia Syndrome on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Postural Orthostatic Tachycardia Syndrome is recruiting below its size-band peers.

    3 of 12 indexed trials (25%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. One sponsor concentrates Postural Orthostatic Tachycardia Syndrome research.

    Vanderbilt University accounts for 2 of 12 trials (16.7%). 10 distinct sponsors appear on at least one study for this condition label.

  3. Most Postural Orthostatic Tachycardia Syndrome trials plan to enrol fewer than 100 people.

    Median target enrolment is 70 among the 12 trials that report a genuine target (sentinel values excluded). 8 of those (66.7%) plan for fewer than 100 participants.

  4. Postural Orthostatic Tachycardia Syndrome research is mostly interventional.

    9 interventional and 3 observational studies make up this index (75% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 21Phase 31

Open and recent trials

12 total, page 1 of 1

RECRUITING NA 100,500 participants

The Long COVID-19 Wearable Device Study

Scripps Translational Science Institute

NCT05741112

RECRUITING 350 participants

Phenotyping of Postural Orthostatic Tachycardia Syndrome (POTS)

University of Texas Southwestern Medical Center

NCT06292104

RECRUITING NA 90 participants

Auricular Vagal Nerve Stimulation for Hypermobile Ehlers-Danlos Syndrome

Medical College of Wisconsin

NCT05212129

ACTIVE NOT RECRUITING NA 260 participants

Pathophysiology of Orthostatic Intolerance

Satish R. Raj

NCT00608725

ACTIVE NOT RECRUITING 212 participants

Assessment of Antibodies and Inflammatory Markers in Postural Tachycardia Syndrome

Vanderbilt University

NCT02196376

ACTIVE NOT RECRUITING 70 participants

Evaluating the Prevalence of Acute Hepatic Porphyria in Postural Tachycardia Syndrome

Vanderbilt University Medical Center

NCT05344599

ACTIVE NOT RECRUITING NA 30 participants

Breathing Device in Postural Orthostatic Tachycardia Syndrome (POTS)

Alfredo Gamboa

NCT00962728

ACTIVE NOT RECRUITING NA 18 participants

Transdermal Vagal Stimulation for POTS

Vanderbilt University

NCT02281097

COMPLETED Phase 2 45 participants

The Exercise Response to Pharmacologic Cholinergic Stimulation in Myalgic Encephalomyelitis / Chronic Fatigue Syndrome

Brigham and Women's Hospital

NCT03674541

COMPLETED NA 40 participants

Non-invasive Vagal Neurostimulation (nVNS) in Adolescents With Postural Orthostatic Tachycardia Syndrome (POTS)

Mayo Clinic

NCT06268288

COMPLETED NA 38 participants

Dietary Sodium's Effect on Urinary Sodium and Dopamine Excretion in Patients With Postural Tachycardia Syndrome

Vanderbilt University Medical Center

NCT01563107

COMPLETED Phase 3 37 participants

Effect of Ivabradine on Patients With Postural Orthostatic Tachycardia Syndrome

University of California, San Diego

NCT03182725

Phase Distribution

PhaseTrial count
Phase 2 1
Phase 3 1

Named interventions

Most-linked intervention names on Postural Orthostatic Tachycardia Syndrome records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Placebo Drug
2 trials
Ivabradine Drug
1 trials
STEPS management protocol Other
1 trials
GammaCore intervention Device
1 trials
Posture Study Procedure
1 trials
Exercise Capacity Test - Bicycle Procedure
1 trials
Plasma Volume Radiation
1 trials
Sham Inspiratory Threshold Device Device
1 trials

US sites by state

Facility locations filed on Postural Orthostatic Tachycardia Syndrome trials. A trial with sites in several states counts in each.

Tennessee 6 trials
California 2 trials
Wisconsin 1 trials
Texas 1 trials
Minnesota 1 trials
Massachusetts 1 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Postural Orthostatic Tachycardia Syndrome page

12 registered trials, 3 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

  • 3 Postural Orthostatic Tachycardia Syndrome trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
  • Vanderbilt University sponsors the most Postural Orthostatic Tachycardia Syndrome trials on record, review their full trial history before evaluating a specific study. See Vanderbilt University's trials
  • Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Postural Orthostatic Tachycardia Syndrome condition card totals 12 registered trials; most-linked intervention Placebo; top US site state Tennessee. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.