Status:

COMPLETED

Comparison of Inhaled Nitric Oxide and Oxygen in Participants Reactivity During Acute Pulmonary Vasodilator Testing

Lead Sponsor:

Mallinckrodt

Conditions:

Idiopathic Pulmonary Arterial Hypertension

Cardiomyopathy

Eligibility:

All Genders

4-18 years

Phase:

PHASE3

Brief Summary

The primary purpose of this study is to compare the number of participants with reversible pulmonary hypertension (vasoreactivity) due to nitric oxide for inhalation and oxygen as compared to 100% oxy...

Eligibility Criteria

Inclusion

  • Must have any one of these three disease categories:
  • Idiopathic Pulmonary Arterial Hypertension
  • Mean pulmonary arterial pressure (PAPm) \> 25 millimeters of mercury (mmHg) at rest, pulmonary capillary wedge pressure (PCWP) ≤ 15 mmHg, and PVRI\> 3 u•m\^2 or diagnosed clinically with no previous catheterization
  • Congenital heart disease (CHD) with pulmonary hypertension repaired and unrepaired
  • PAPm \> 25 mmHg at rest and PVRI\> 3 u•m\^2 or diagnosed clinically with no previous catheterization
  • Cardiomyopathy
  • PAPm \> 25 mmHg at rest and Pulmonary vascular resistance index (PVRI)\> 3 u•m\^2 or diagnosed clinically with no previous catheterization
  • Scheduled to undergo right heart catheterization to assess pulmonary vasoreactivity by acute pulmonary vasodilation testing.
  • Male or female, ages 4 weeks to 18 years, inclusive
  • Signed informed consent/assent

Exclusion

  • Focal pulmonary infiltrates on chest radiograph.
  • Diagnosed with severe obstructive or restrictive pulmonary disease that is significantly contributing to the patient's pulmonary hypertension.
  • Received treatment with nitric oxide for inhalation within 30 days prior to study initiation, are on other investigational medications, nitroglycerin, sodium nitroprusside, sildenafil, other Phosphodiesterase type 5 (PDE-5) inhibitors, or prostacyclin
  • Pregnant \[urine human chorionic gonadotropin positive (HCG +)\]
  • Baseline Pulmonary capillary wedge pressure (PCWP) \> 20 mmHg

Key Trial Info

Start Date :

September 1 2004

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

February 1 2010

Estimated Enrollment :

136 Patients enrolled

Trial Details

Trial ID

NCT00626028

Start Date

September 1 2004

End Date

February 1 2010

Last Update

December 20 2019

Active Locations (18)

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Page 1 of 5 (18 locations)

1

Lucile Salter Packard Children's Hospital at Stanford

Stanford, California, United States, 94304

2

The Children's Hospital

Denver, Colorado, United States, 80218

3

Children's Hospital Boston

Boston, Massachusetts, United States, 02115

4

St. Louis Children's Hospital

St Louis, Missouri, United States, 63110