ClinicalTrials.gov record
Completed Early Phase 1 Interventional Accepts healthy volunteers

Is Blood Flow Through IPAVA and PFO Related to Breath-hold and SCUBA Diving-induced Pulmonary Hypertension?

ClinicalTrials.gov ID: NCT03945643

Public ClinicalTrials.gov record NCT03945643. 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, 8:15 AM EDT

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

Study identification

NCT ID
NCT03945643
Recruitment status
Completed
Study type
Interventional
Phase
Early Phase 1
Lead sponsor
University of Oregon
Other
Enrollment
82 participants

Conditions and interventions

Interventions

  • Placebo Other
  • Sildenafil Drug

Other · Drug

Eligibility (public fields only)

Age range
18 Years to 65 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

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

Study timeline

Start date
Jun 30, 2019
Primary completion
Jan 30, 2023
Completion
Jul 30, 2023
Last update posted
Aug 13, 2023

2019 – 2023

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Cardiorespiratory and Pulmonary Physiology Lab Eugene Oregon 97403

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03945643, 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 Aug 13, 2023 · Synced May 20, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03945643 live on ClinicalTrials.gov.

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