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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT01339533
Other study ID # APRV1015758
Secondary ID
Status Recruiting
Phase Phase 2
First received April 19, 2010
Last updated August 24, 2015
Start date October 2011
Est. completion date June 2016

Study information

Verified date August 2015
Source Intermountain Health Care, Inc.
Contact Eliotte Hirshberg, MD
Phone 801-232-9120
Email ellie.hirshberg@imail.org
Is FDA regulated No
Health authority United States: Institutional Review Board
Study type Interventional

Clinical Trial Summary

APRV mode of ventilation will result in an improved partial pressure of arterial oxygenation/ fraction of inspired oxygen (P/F ratio) on day 3 of mechanical ventilation. Sub hypotheses: APRV will be associated with a reduced amount of sedation used during the ICU stay in patients with respiratory failure. APRV will be associated with a reduction in the amount of vasoactive medication used for blood pressure support in patients with respiratory failure.


Description:

This prospective un-blinded randomized trial will follow patients with respiratory failure and ALI/ARDS who require invasive mechanical ventilation in select ICUs. Patients will be allocated to respiratory support with either APRV mode or volume control (AC) mode of mechanical ventilation. Qualifying patients will be randomized by permuted block randomization within 24 hours of admission to the ICU. Identical ventilation and oxygenation thresholds will be utilized to guide titration of each ventilator protocol. Patients will remain on the assigned mode of ventilation until they are extubated and discharged from the ICU.

Procedures for treatment evaluation include daily monitoring of the Ventilator protocol in each arm. Clinical coordinator and study respiratory therapist will perform 2 daily checks of the study patients to determine compliance with the protocol and if patient meets weaning criteria. The previously published ARDS Network continuous positive airway pressure (CPAP) weaning protocol will be used for all patients enrolled.


Recruitment information / eligibility

Status Recruiting
Enrollment 246
Est. completion date June 2016
Est. primary completion date December 2015
Accepts healthy volunteers No
Gender Both
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Hypoxemic respiratory failure requiring mechanical ventilation for >24 hours.

Exclusion Criteria:

- Age under 18

- Severe chronic obstructive lung disease

- Patients in whom the only indication for mechanical ventilation is airway protection from poor neurological status.

Study Design

Allocation: Randomized, Endpoint Classification: Bio-equivalence Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Device:
Mechanical Ventilation
Patients who experience problems breathing and require assistance in breathing are placed on a machine that delivers air to the lungs through a tube through the vocal cords. This study is testing 3 protocols for that machine.

Locations

Country Name City State
United States Intermountain Medical Center Murray Utah
United States LDS Hospital Salt Lake City Utah

Sponsors (1)

Lead Sponsor Collaborator
Intermountain Health Care, Inc.

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary P/F Ratio on Day 3 of Mechanical Ventilation Our first objective is to measure and compare the partial pressure of oxygen in the artery to the inspired oxygen ratio (P/F ratio) on day 3 of mechanical ventilation. We will also collect and compare common variables used to evaluate lung injury and severity of respiratory failure in both groups. These variables and markers include: the Oxygenation index (OI) and standard blood gas parameters (PH, PaCO2 and PaO2). Day 3 No
Secondary Amount/Duration of Sedative & Vasoactive Medication Our second objective is to compare the amount and duration of sedative medication and vasoactive medication per patient per/day required in each group. Duration of vasoactive medications and sedation (# of days) and quantitative amounts per kilogram will be compared. Measurements will include Mean Arterial Blood Pressure (MAP), Central venous pressure (CVP), and daily fluid balance between patients on AC and APRV. Up to ICU discharge No
Secondary Evaluate Feasibility & Clinical Compliance with 2 APRV Paper Protocols. Our third objective is to evaluate the feasibility of 2 previously developed APRV paper protocols (APRVa and APRVb) and document the clinician compliance with each paper APRV protocol. We will also track common events associated with mechanical ventilation. The incidence of pneumothorax defined as any ventilator-barotrauma resulting in chest tube placement, will be carefully followed. Up to ICU discharge No
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