- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03346681
N-Acetyl-cysteine in Early Acute Respiratory Distress Syndrome (NARDS)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Objectives / Research Aims The overall objectives of this study are to demonstrate whether a protocol for the early use of inhaled N-acetylcysteine improves mortality, ventilator days, ICU days, hospital stay, as well as the need for other "rescue" modalities, such as use of advanced ventilator modalities (such as airway pressure release ventilation [APRV]), paralytics, and prone positioning. As this is a pilot study, we would address the feasibility of recruiting and consenting patients as well as to ascertain the sample size that would be needed to power the desired endpoints in a larger study.
Setting The project will be performed in the Medical Intensive Care Unit at Palmetto Health Richland using subjects with severe acute respiratory distress syndrome that are identified within 48 hours of their disease process.
Resources Available It is not uncommon for the patients admitted with or that develop acute respiratory distress syndrome to receive breathing treatments of some variety, such as bronchodilators. This study would take an existing practice and add a relatively inexpensive medication, N-acetylcysteine.
It will be straightforward and require relatively little time to calculate the metrics for the patients enrolled in this study as these data are typically collected for intensive care unit patients already.
Our respiratory therapists are already very experienced and proficient at the administration of inhaled N-acetylcysteine. Likewise, the academic intensive care team would be able to readily classify the patients that are appropriate for this study as the partial pressure of oxygen to fraction of inspired oxygen (P/F) ratio is typically documented for every ventilated patient admitted to our unit.
Study Design Recruitment Methods The patients will be recruited based upon their P/F ratio less than 150 and being mechanically ventilated with a positive end expiratory pressure of 5 or greater. These patients will be started on the protocol within 48 hours of developing acute respiratory distress syndrome.
Inclusion and Exclusion Criteria Inclusion criteria includes adult patients admitted to the medical intensive care unit or coronary care unit, being mechanically ventilated with a positive end expiratory pressure greater than 5 cm H2O, with noncardiogenic pulmonary edema on chest x-ray within 48 hours of being noted to have a P/F ratio < 150.
Exclusion criteria includes patients < 18 years of age, patients for whom no aggressive measures are desired, patients who are already receiving "rescue methods" (prone positioning, advanced ventilator modes, paralytics), trauma patients, vulnerable patient groups (pregnant, prisoners), patients who have undergone a surgical operation during their time on the ventilator, patients with end stage liver disease, patients on chronic ventilators, and asthmatics.
Local Number of Subjects This study will seek to enroll 26 patients each in the treatment and control arm.
Study-Wide Number of Subjects This is a single center study. Study Timelines Plans will be to complete the study within 12 months from the time of start. Study Endpoints The patient is liberated from the ventilator, discharged from the ICU, discharged from the hospital, or dies.
Procedures Involved The only procedure involved would be the administration of N-acetylcysteine via nebulization, which would be administered to the patient by respiratory therapy in the dosage of 3 2 mL 20% solution acetylcysteine (or 6 4 mL of 10% solution) along with inhaled albuterol via endotracheal tube every six hours for 72 hours total. The control arm will have saline administered with the albuterol every six hours. Both arms will have additional bronchodilators administered as indicated clinically (bronchospasm, COPD, peak airway pressure elevation, etc.).
The patients would be monitored daily in the ICU setting with lab work, including arterial blood gases, chemistry panels, complete blood counts. They would have all routine critical care monitoring, such as hourly vital signs, urine output, ventilation parameters in accordance with the nature of their critical illness.
Study Type
Phase
- Early Phase 1
Contacts and Locations
Study Locations
-
-
South Carolina
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Columbia, South Carolina, United States, 29203
- Palmetto Health Richland
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Inclusion criteria includes adult patients admitted to the medical intensive care unit or coronary care unit, being mechanically ventilated with a positive end expiratory pressure greater than 5 cm H2O, with noncardiogenic pulmonary edema on chest x-ray within 48 hours of being noted to have a P/F ratio < 150.
Exclusion Criteria:
- Exclusion criteria includes patients < 18 years of age, patients for whom no aggressive measures are desired, patients who are already receiving "rescue methods" (prone positioning, advanced ventilator modes, paralytics), trauma patients, vulnerable patient groups (pregnant, prisoners), patients who have undergone a surgical operation during their time on the ventilator, patients with end stage liver disease, patients on chronic ventilators, and asthmatics.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: NAC and albuterol
The procedure involved would be the administration of N-acetylcysteine via nebulization, which would be administered to the patient by respiratory therapy in the dosage of 2 mL 20% solution acetylcysteine (or 4 mL of 10% solution) along with inhaled albuterol via endotracheal tube every six hours for 72 hours total.
The control arm will have saline administered with the albuterol every six hours.
Both arms will have additional bronchodilators administered as indicated clinically (bronchospasm, COPD, peak airway pressure elevation, etc.).
|
The procedure involved would be the administration of N-acetylcysteine via nebulization, which would be administered to the patient by respiratory therapy in the dosage of 2 mL 20% solution acetylcysteine (or 4 mL of 10% solution) along with inhaled albuterol via endotracheal tube every six hours for 72 hours total.
The control arm will have saline administered with the albuterol every six hours.
Both arms will have additional bronchodilators administered as indicated clinically (bronchospasm, COPD, peak airway pressure elevation, etc.).
|
No Intervention: Albuterol
Albuterol will be administered via nebulization every six hours.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Ventilator days
Time Frame: From time of intubation until one of predefined endpoints (up to 60 days)
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Number of days requiring mechanical ventilation
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From time of intubation until one of predefined endpoints (up to 60 days)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Mortality
Time Frame: up to 60 days
|
Number of days until expiring
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up to 60 days
|
ICU days
Time Frame: From time of admission to the ICU until transfer out of the unit (up to 60 days)
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Number of days in the ICU
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From time of admission to the ICU until transfer out of the unit (up to 60 days)
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P/F ratio
Time Frame: Daily until the predefined endpoints (up to 60 days)
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A measure of the partial pressure of oxygen divided by the percentage of inhaled oxygen
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Daily until the predefined endpoints (up to 60 days)
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Use of "rescue" maneuvers
Time Frame: Daily until the predefined endpoints (up to 60 days)
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Using airway pressure release ventilation, paralytics, or proning
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Daily until the predefined endpoints (up to 60 days)
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Judson Lewis, MD, Prisma Health-Midlands
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Pathologic Processes
- Respiratory Tract Diseases
- Respiration Disorders
- Lung Diseases
- Disease
- Infant, Newborn, Diseases
- Lung Injury
- Infant, Premature, Diseases
- Syndrome
- Respiratory Distress Syndrome
- Respiratory Distress Syndrome, Newborn
- Acute Lung Injury
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Antiviral Agents
- Protective Agents
- Respiratory System Agents
- Antioxidants
- Antidotes
- Free Radical Scavengers
- Expectorants
- Acetylcysteine
- N-monoacetylcystine
Other Study ID Numbers
- PalmettoHealth
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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