NCT03576885

Brief Summary

Inhaled nitric oxide (iNO) is an effective treatment for pulmonary hypertension (PH) in term and near-term infants. Preterm infants are at risk for early PH that is associated with high risk for bronchopulmonary dysplasia or death. In multiple clinical trials, iNO treatment was not effective for BPD prevention. However, infants were not screened for PH and iNO treatment was not targeted for PH. iNO treatment for PH in preterm infants is controversial due to lack of evidence. The study team hypothesizes that early diagnosis of PH (72-96 hours of life) and iNO treatment will decrease the incidence of death and bronchopulmonary dysplasia and improve oxygenation in extremely preterm infants.

  1. 1.To determine if iNO treatment of extremely preterm infants with early pulmonary hypertension as established with echocardiographic evidence at 72-96 hours of age will decrease incidence of death or BPD.
  2. 2.To determine if iNO treatment of extremely preterm infants with early PH will decrease the pulmonary artery pressure and improve oxygenation within 72 hours of intervention.

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
32

participants targeted

Target at P50-P75 for phase_1

Timeline
Completed

Started Jul 2019

Longer than P75 for phase_1

Geographic Reach
1 country

1 active site

Status
terminated

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 22, 2018

Completed
11 days until next milestone

First Posted

Study publicly available on registry

July 3, 2018

Completed
1 year until next milestone

Study Start

First participant enrolled

July 15, 2019

Completed
4.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 9, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

October 9, 2023

Completed
1.3 years until next milestone

Results Posted

Study results publicly available

January 15, 2025

Completed
Last Updated

January 15, 2025

Status Verified

January 1, 2025

Enrollment Period

4.2 years

First QC Date

June 22, 2018

Results QC Date

October 7, 2024

Last Update Submit

January 13, 2025

Conditions

Outcome Measures

Primary Outcomes (2)

  • Death

    Incidence of death

    36 weeks post menstrual age

  • Bronchopulmonary (BPD) Dysplasia (Yes/no)

    Incidence of bronchopulmonary dysplasia as determined by need for positive pressure ventilation or supplemental oxygen after room air challenge test

    36 weeks post menstrual age

Secondary Outcomes (1)

  • Pulmonary Hypertension

    Duration of treatment or up to Day 14

Study Arms (3)

Treatment group - active

ACTIVE COMPARATOR

inhaled nitric oxide treatment will start at 20 ppm and continue for 2 weeks or until resolution of pulmonary hypertension, whichever comes first.

Drug: inhaled nitric oxide

Treatment group - placebo

PLACEBO COMPARATOR

Placebo treatment will start at 20 ppm and continue for 2 weeks or until resolution of pulmonary hypertension, whichever comes first.

Drug: Placebo

Control group

NO INTERVENTION

Enrolled infants with no evidence of pulmonary hypertension will serve as the control group for incidence of death or bronchopulmonary hypertension

Interventions

inhaled nitric oxide will be administered starting at 20 ppm. Treatment will continue for 14 days or until resolution of pulmonary hypertension

Also known as: iNO
Treatment group - active

placebo will be administered starting at 20 ppm. Treatment will continue for 14 days or until resolution of pulmonary hypertension

Treatment group - placebo

Eligibility Criteria

Age23 Weeks - 29 Weeks
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)

You may qualify if:

  • Step 1:
  • Birth between 23 weeks and 0 days and 29 weeks and 6 days.
  • Positive pressure ventilation at 72-96 hours of age
  • Step 2:
  • Early pulmonary hypertension

You may not qualify if:

  • Step 1:
  • Death prior to 12 hours of age or first echocardiogram
  • Chromosomal anomalies
  • Major congenital anomalies
  • Myocardial dysfunction
  • Complex cardiac defect
  • Dependent on right to left shunting of blood
  • Step 2:
  • Excessive pulmonary blood flow (left to right shunt across PDA)
  • Pulmonary blood flow obstruction secondary to pulmonary vein stenosis
  • Mitral valve stenosis
  • Cor triata
  • Aortic valve atresia

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

AdventHealth

Orlando, Florida, 32803, United States

Location

Related Publications (30)

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    PMID: 8414836BACKGROUND
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    PMID: 27225961BACKGROUND
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    PMID: 17403837BACKGROUND
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    PMID: 19812581BACKGROUND
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    PMID: 26593082BACKGROUND
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    PMID: 24379225BACKGROUND
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    PMID: 21042341BACKGROUND
  • Abman SH, Hansmann G, Archer SL, Ivy DD, Adatia I, Chung WK, Hanna BD, Rosenzweig EB, Raj JU, Cornfield D, Stenmark KR, Steinhorn R, Thebaud B, Fineman JR, Kuehne T, Feinstein JA, Friedberg MK, Earing M, Barst RJ, Keller RL, Kinsella JP, Mullen M, Deterding R, Kulik T, Mallory G, Humpl T, Wessel DL; American Heart Association Council on Cardiopulmonary, Critical Care, Perioperative and Resuscitation; Council on Clinical Cardiology; Council on Cardiovascular Disease in the Young; Council on Cardiovascular Radiology and Intervention; Council on Cardiovascular Surgery and Anesthesia; and the American Thoracic Society. Pediatric Pulmonary Hypertension: Guidelines From the American Heart Association and American Thoracic Society. Circulation. 2015 Nov 24;132(21):2037-99. doi: 10.1161/CIR.0000000000000329. Epub 2015 Nov 3.

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MeSH Terms

Conditions

Hypertension, PulmonaryBronchopulmonary Dysplasia

Condition Hierarchy (Ancestors)

Lung DiseasesRespiratory Tract DiseasesHypertensionVascular DiseasesCardiovascular DiseasesVentilator-Induced Lung InjuryLung InjuryInfant, Premature, DiseasesInfant, Newborn, DiseasesCongenital, Hereditary, and Neonatal Diseases and Abnormalities

Limitations and Caveats

Majority of preterm infants with hypoxic respiratory failure or severe pulmonary hypertension were excluded due to the clinical treatment with inhaled nitric oxide prior to our study echocardiogram

Results Point of Contact

Title
Hussnain Mirza MD
Organization
AdventHealth

Study Officials

  • Hussnain Mirza, MD

    AdventHealth

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Model Details: Masked randomized controlled trial
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 22, 2018

First Posted

July 3, 2018

Study Start

July 15, 2019

Primary Completion

October 9, 2023

Study Completion

October 9, 2023

Last Updated

January 15, 2025

Results First Posted

January 15, 2025

Record last verified: 2025-01

Locations