ClinicalTrials.gov record
Active, not recruiting Phase 4 Interventional

Assessment of Midodrine in the Prevention of Vasovagal Syncope: The Prevention of Syncope Trial IV

ClinicalTrials.gov ID: NCT01456481

Public ClinicalTrials.gov record NCT01456481. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 20, 2026, 6:50 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Assessment of Midodrine in the Prevention of Vasovagal Syncope: The Prevention of Syncope Trial IV (Post 4)

Study identification

NCT ID
NCT01456481
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 4
Lead sponsor
Dr. Bob Sheldon
Other
Enrollment
134 participants

Conditions and interventions

Interventions

  • matching placebo Drug
  • midodrine hydrochloride Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 31, 2011
Primary completion
Dec 19, 2018
Completion
Dec 30, 2024
Last update posted
May 8, 2024

2011 – 2024

United States locations

U.S. sites
2
U.S. states
2
U.S. cities
2
Facility City State ZIP Site status
University of Minnesota Minneapolis Minnesota 55455
Vanderbilt University Nashville Tennessee 37232

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 15 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01456481, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 8, 2024 · Synced May 20, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01456481 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →