ClinicalTrials.gov record
Terminated Phase 2 Interventional

A Phase 2 Study to Determine the Safety and Efficacy of AIR001 in Subjects With Pulmonary Arterial Hypertension (PAH)

ClinicalTrials.gov ID: NCT01725256

Public ClinicalTrials.gov record NCT01725256. 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 16, 2026, 3:58 PM EDT

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

Official title

A Phase 2, Multi-Center, Open-label, Randomized, Parallel-Dose Study to Determine the Safety and Efficacy of AIR001 in Subjects With WHO Group 1 Pulmonary Arterial Hypertension (PAH)

Study identification

NCT ID
NCT01725256
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Aires Pharmaceuticals, Inc.
Industry
Enrollment
29 participants

Conditions and interventions

Interventions

  • AIR001 (sodium nitrite inhalation solution) Drug

Drug

Eligibility (public fields only)

Age range
18 Years to 75 Years
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, 2012
Primary completion
Jan 31, 2014
Completion
Jan 31, 2014
Last update posted
Apr 8, 2014

2012 – 2014

United States locations

U.S. sites
17
U.S. states
12
U.S. cities
15
Facility City State ZIP Site status
UCSD Medical Center La Jolla California 92037
UCLA Medical Center Torrance California 90509
University of Colorado Denver Aurora Colorado 80045
Kentuckiana Pulmonary Associates Louisville Kentucky 40202
University of Maryland Medical Center Baltimore Maryland 21201
Tufts Medical Center Boston Massachusetts 02111
Brigham and Women's Hospital Boston Massachusetts 02115
Boston University School of Medicine Boston Massachusetts 02118
Washington University School of Medicine St Louis Missouri 63110-1093
Duke University Medical Center Durham North Carolina 27710
University of Cincinnati Cincinnati Ohio 45267
The Ohio State University Medical Center Columbus Ohio 43210
University of Pittsburgh Medical Center Pittsburgh Pennsylvania 15213
University of Texas Southwestern Medical Center Dallas Texas 75390
Baylor College of Medicine Houston Texas 77030
Inova Fairfax Hospital Falls Church Virginia 22042
Aurora St. Luke's Medical Center Milwaukee Wisconsin 53215

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 8 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01725256, 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 Apr 8, 2014 · Synced May 16, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01725256 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →