POTS study probes Salt's role in blood volume
NCT ID NCT01783288
First seen Jan 13, 2026
Summary
This study screens people with suspected Postural Tachycardia Syndrome (POTS) and healthy volunteers to see how their bodies handle sodium and the hormone aldosterone. Participants undergo autonomic function tests and blood volume measurements. The goal is to understand if a high-salt diet can improve symptoms by expanding blood volume.
Disclaimer
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This is a summary of
the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Vanderbilt University Medical Center
Nashville, Tennessee, 37232, United States
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If successful, this could clarify how dietary sodium affects blood volume and symptoms in POTS, potentially guiding future treatment recommendations.
What could go wrong
This is an observational screening study, not a treatment trial. It may not lead to direct benefits for participants, and results may not apply to all POTS patients.
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.