Treprostinil in Newborns With Pulmonary Hypertension; a Non-Interventional Study to Collect Data on Drug Utilization, Safety, and Effectiveness (NEPHY)

September 2, 2025 updated by: Ferrer Internacional S.A.

Treprostinil in Newborns With Pulmonary Hypertension; a Noninterventional Study to Collect Data on Drug Utilization, Safety, and Effectiveness.

This observational study will seek to describe the uses and safety and efficacy outcomes of treprostinil in clinical practice in patients with persistent pulmonary hypertension (PPHN).

Study Overview

Status

Recruiting

Study Type

Observational

Enrollment (Estimated)

60

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Locations

      • Bron, France, 69500
        • Recruiting
        • CHU Lyon (HCL) - Hopital Femme Mère Enfant
        • Contact:
        • Principal Investigator:
          • Marine Butin, Medical Doctor
      • Grenoble, France, 38043
        • Recruiting
        • Réanimation néonatale CHU Grenoble Alpes - Hôpital Couple Enfant
        • Contact:
        • Principal Investigator:
          • Amélie Desrumaux, Medical Doctor
      • Lille, France, 59000
        • Recruiting
        • CHU Lille - Clinique de Néonatalogie
        • Contact:
        • Principal Investigator:
          • Kevin Leduc, Medical Doctor
      • Toulouse, France, 31300
        • Recruiting
        • CHU de Toulouse Hopital des enfants - Réanimation Néonatale
        • Contact:
        • Principal Investigator:
          • Sophie Breinig, Medical Doctor

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Approximately 60 newborns with PH (of whom at least 40 newborns with persistent pulmonary hypertension of the newborn [PPHN]) are expected to be included.

Description

Inclusion Criteria:

  1. Newborn infants who received at least one dose of IV or SC treprostinil as per clinical practice within 5 years from the moment of data collection.
  2. Aged up to 44 weeks after conception at treprostinil initiation.
  3. Pulmonary hypertension (PH) or suspicion of PH at the moment of treprostinil initiation.
  4. Parent(s) or legally authorized representative(s) provides non-opposition consent for the patient participation in the study.
  5. Newborn infants affiliated to French social security.

Exclusion Criteria:

  • None.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Characteristics of neonates receiving treprostinil in the clinical practice.
Time Frame: From baseline to Day 30 after last dose of treprostinil
Sex (male/female) ; Gestational Age (weeks) ; Birth Weight (g) ; Apgar (1 and 5 min, 0-10) and Time from birth to treprostinil initiation (h)
From baseline to Day 30 after last dose of treprostinil
Treprostinil-specific treatment patterns.
Time Frame: From baseline to Day 30 after last dose of treprostinil
Prior concomitant treatments, treprostinil route, treprostinil dose(s) (mg/ml) and treprostinil treatment duration (days).
From baseline to Day 30 after last dose of treprostinil
Number of participants with treatment-related adverse events to evaluate safety.
Time Frame: From baseline to Day 30 after last dose of treprostinil
From baseline to Day 30 after last dose of treprostinil

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Composite endpoint of absence of complications through Day 14 after the index date.
Time Frame: From baseline to Day 30 after last dose of treprostinil
From baseline to Day 30 after last dose of treprostinil
Description of the clinical outcomes from treprostinil start day (i.e., Day 0) to Day 14 and at Day 30 after last dose of treprostinil.
Time Frame: 0h, 24h, 48h, 72h, Day 7, Day 14, and Day 30 after last dose of treprostinil (if applicable).
Evolution of pre- and post-ductal oxygen saturation (SpO2); oxygen partial pressure (PO2); clinical laboratory parameters and fraction of inspired oxygen (FiO2) at times 0h, 24h, 48h, 72h, Day 7, Day 14, and Day 30 after last dose of treprostinil.
0h, 24h, 48h, 72h, Day 7, Day 14, and Day 30 after last dose of treprostinil (if applicable).
Description of neurodevelopmental progress over 2 years after treprostinil initiation through a Global Clinical Impression Scale.
Time Frame: From day 30 after treprostinil treatment to Year 2 after last dose of treprostinil
From day 30 after treprostinil treatment to Year 2 after last dose of treprostinil

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

February 25, 2025

Primary Completion (Estimated)

July 30, 2027

Study Completion (Estimated)

December 31, 2027

Study Registration Dates

First Submitted

May 21, 2024

First Submitted That Met QC Criteria

July 11, 2024

First Posted (Actual)

July 12, 2024

Study Record Updates

Last Update Posted (Estimated)

September 3, 2025

Last Update Submitted That Met QC Criteria

September 2, 2025

Last Verified

September 1, 2025

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

UNDECIDED

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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