NCT07123961

Brief Summary

Acute respiratory distress syndrome (ARDS) is a serious and potentially life-threatening lung condition that can affect children. Currently, ventilator settings commonly used in treatment are based on approaches developed for adults, and it remains unclear whether these settings are equally effective for children. Because children's bodies respond differently than adults', it is important to determine the most effective ventilator strategies specifically for pediatric patients. This study will compare two different ventilator approaches in children with ARDS to identify which method provides the greatest benefit. The findings will also help inform the design of a larger study in the future.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
160

participants targeted

Target at P75+ for phase_2

Timeline
51mo left

Started Nov 2025

Longer than P75 for phase_2

Geographic Reach
1 country

1 active site

Status
recruiting

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

Study Progress11%
Nov 2025Jun 2030

First Submitted

Initial submission to the registry

August 6, 2025

Completed
8 days until next milestone

First Posted

Study publicly available on registry

August 14, 2025

Completed
3 months until next milestone

Study Start

First participant enrolled

November 7, 2025

Completed
4.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2029

Expected
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2030

Last Updated

March 16, 2026

Status Verified

March 1, 2026

Enrollment Period

4.2 years

First QC Date

August 6, 2025

Last Update Submit

March 13, 2026

Conditions

Keywords

Acute Respiratory Distress SyndromeARDSVentVentilatorVentilator ManagementPediatric ARDSPediatric Ventilator ManagementPARDSPediatric ARDS Protocolized TreatmentInvasive Mechanical VentilationIMVPediatric Acute Respiratory Distress Syndrome

Outcome Measures

Primary Outcomes (1)

  • Sustained Resolution of Hypoxemia

    The primary outcome of PARMA is time (in hours) per participant to sustained resolution of hypoxemia, defined as being alive with PaO2/FIO2 (measurement of the amount of oxygen dissolved in the blood plasma/concentration of inhaled oxygen) \> 300 (or SpO2/FIO2 (measurement of the percentage of hemoglobin in your blood that is carrying oxygen/concentration of inhaled oxygen) \> 315) on two consecutive measurements 4 hours apart. This outcome is censored at 28 days (672 hours).

    Up to 672 hours

Secondary Outcomes (14)

  • Imaging (Electrical Impedance Tomography (EIT)): Lung recruitment

    Once from time of enrollment to randomization, once within 8 hours post-randomization and once within 24-72 hours after randomization.

  • Imaging (Electrical Impedance Tomography (EIT)): Overdistension

    Once from time of enrollment to randomization, once within 8 hours post-randomization and once within 24-72 hours after randomization.

  • Imaging (Electrical Impedance Tomography (EIT)): Center of Ventilation

    Once from time of enrollment to randomization, once within 8 hours post-randomization and once within 24-72 hours after randomization.

  • Clinical End Point: all-cause mortality at 90 days

    From enrollment up to hospital discharge, no longer than 90 days.

  • Clinical End Point: all-cause mortality at 28 days

    From enrollment up to hospital discharge, no longer than 28 days.

  • +9 more secondary outcomes

Study Arms (2)

High Driving Pressure Mechanical Ventilation

ACTIVE COMPARATOR

A participant who is already on the breathing machine will have the driving pressure set to 25 cmH2O (rate of pressure delivery). All other standard clinical care for this participant will stay the same based on what their clinical team chooses to do.

Other: High Driving Pressure Mechanical Ventilation

Low Driving Pressure Mechanical Ventilation

ACTIVE COMPARATOR

A participant who is already on the breathing machine will have the driving pressure set to 15 cmH2O (rate of pressure delivery). All other standard clinical care for this participant will stay the same based on what their clinical team chooses to do.

Other: Low Driving Pressure Mechanical Ventilation

Interventions

A participant who is already invasively mechanically ventilated will be placed on "Pressure Control Ventilation" mode on an Evita V500 (Manufacturer: Dräger, Lübeck, Germany) ventilator if they are not already. The driving pressure will be set to 25 cmH2O (rate of pressure delivery). The Children's Hospital of Philadelphia (CHOP) PICU's standard of care regarding sedation, fluid management, ventilator weaning, and extubation readiness for invasively mechanically ventilated children will be adhered to for the duration of the study. An Enlight 2100 Electrical Impedance Tomography (EIT) Device (Manufacturer: Timpel) strap will be placed across the participant's chest up to four times throughout the study for a few hours to image the aeration in the lungs.

High Driving Pressure Mechanical Ventilation

A participant who is already invasively mechanically ventilated will be placed on "Pressure Control Ventilation" mode on an Evita V500 (Manufacturer: Lübeck, Germany) ventilator if they are not already. The driving pressure will be set to 15 cmH2O (rate of pressure delivery). CHOP PICU's standard of care regarding sedation, fluid management, ventilator weaning, and extubation readiness for invasively mechanically ventilated children will be adhered to for the duration of the study. An Enlight 2100 (EIT) Device (Manufacturer: Timpel) strap will be placed across the participant's chest up to four times throughout the study for a few hours to image the aeration in the lungs.

Low Driving Pressure Mechanical Ventilation

Eligibility Criteria

Age2 Weeks - 17 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)

You may qualify if:

  • age \> 2 weeks (\> 38 weeks corrected gestational age) and \< 18 years (not yet had 18th birthday)
  • acute (≤ 7 days of risk factor) respiratory failure requiring invasive mechanical ventilation
  • ventilated with endotracheal tube or tracheostomy for ≤ 7 days from risk factor onset
  • hypoxemia defined as PaO2/FIO2 (measurement of the amount of oxygen dissolved in the blood plasma/concentration of inhaled oxygen) \> 300 (or SpO2/FIO2 (measurement of the percentage of hemoglobin in your blood that is carrying oxygen/concentration of inhaled oxygen) \> 315 on Positive End-Expiratory Pressure (PEEP) ≥ 5 cmH2O (rate of pressure delivery) on two consecutive measurements 4 hours apart and sustained at the time of consent and randomization
  • bilateral opacities on chest radiograph as determined by radiologist, clinical attending, or PI

You may not qualify if:

  • hypoxemia caused primarily by hydrostatic pulmonary edema from heart failure or fluid overload
  • non-palliated or unrepaired cyanotic congenital heart disease
  • ventilated via tracheostomy at baseline prior to acute illness
  • obstructive airway disease determined to be the primary cause of respiratory failure
  • severe moribund state not expected to survive \> 72 hours
  • any limitations of care at time of screening
  • escalation to high frequency oscillatory ventilation or extracorporeal support (i.e., meeting PARMA protocol failure criteria) at time of screening
  • previous enrollment in this study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The Children's Hospital of Philadelphia

Philadelphia, Pennsylvania, 19104, United States

RECRUITING

MeSH Terms

Conditions

Respiratory Distress Syndrome

Condition Hierarchy (Ancestors)

Lung DiseasesRespiratory Tract DiseasesRespiration Disorders

Study Officials

  • Nadir Yehya, MD, MSCE

    Children's Hospital of Philadelphia

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Helena Wiatrowski, B.A.

CONTACT

Stephen Famularo III, B.A.

CONTACT

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Eligible and consented subjects will be randomized within 24 hours of meeting study eligibility using 1:1 permuted blocks, using a randomization module available in Research Electronic Data CAPture (REDCap).
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 6, 2025

First Posted

August 14, 2025

Study Start

November 7, 2025

Primary Completion (Estimated)

December 31, 2029

Study Completion (Estimated)

June 30, 2030

Last Updated

March 16, 2026

Record last verified: 2026-03

Data Sharing

IPD Sharing
Will share

De-identified trial dataset, stripped of all personal health information, will be shared with an existing NIH data repository (likely the National Institute of Child Health and Human Development (NICHD) Data and Specimen Hub (DASH)).

Shared Documents
STUDY PROTOCOL, SAP, ICF, CSR
Time Frame
Individual participant data (IPD) will be shared 1 year after main manuscript publication.
Access Criteria
The IPD will be made readily available for research by qualified individuals within the scientific community as determined by DASH's regulatory and contractual requirements. The dataset will be accessible via the DASH platform.

Locations