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Breathing Device in Postural Orthostatic Tachycardia Syndrome (POTS)

NCT00962728 · Status: ACTIVE_NOT_RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 30

Last updated 2025-12-22

No results posted yet for this study

Summary

The investigators will test whether breathing through an inspiratory resistance device will improve the ability to be upright and decrease heart rate increases on standing in patients with postural tachycardia syndrome.

Conditions

  • Postural Tachycardia Syndrome
  • Postural Orthostatic Tachycardia Syndrome

Interventions

DEVICE

Inspiratory Threshold Device (Res-Q-Gard ITD)

Patient will breathe through this device attached to a mouthpiece during assessment of orthostatic tolerance.

DEVICE

Sham Inspiratory Threshold Device

Breathing through a respiratory particulate filter (Model 002850P, Sims Portex Inc, Keene NH) which will have minimal resistance.

Sponsors & Collaborators

  • Vanderbilt University Medical Center

    collaborator OTHER

  • Alfredo Gamboa

    lead OTHER

Principal Investigators

  • Satish R Raj, MD MSCI · Vanderbilt University School of Medicine

Study Design

Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
SINGLE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Max Age
80 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2009-07-31
Primary Completion
2026-11-30
Completion
2026-12-31

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00962728 on ClinicalTrials.gov