A randomized, open label, two arm, pilot trial of Pirfenidone 2,403 mg administered per nasogastric tube or orally as 801mg TID for 4 weeks in addition to Standard of Care (SoC), compared to SoC alone, in a population of COVID-19 induced severe ARDS. Patients will be randomized according to 1:1 ratio to one of the trial arms: Pirfenidone (intervention arm) or SoC (control arm).
The objective of the trial is to evaluate the safety and efficacy of treatment with Pirfenidone vs SoC in COVID-19 induced severe Acute Respiratory Distress Syndrome (ARDS) requiring mechanical ventilation. Following initial diagnosis of COVID-19, severe ARDS patient will be admitted to a dedicated intensive care unit (ICU) at Soroka University Medical Center (Day 0). Upon admission, patients will be randomized according to 1:1 ratio to one of the trial arms and receive either Pirfenidone 2,403mg administered through nasogastric tube as 801mg TID (intervention arm) plus SoC or only SoC treatment (control arm). Patients' vital signs (temperature, blood pressure, pulse rate per minute, breath rate per minute, oxygen saturation) urine output, ventilation settings, and respiratory parameters will be monitored according to SoC. Symptom will be captured daily from patients as well as adverse events (AEs) assessment and recording of the need for any supportive care during the period of ICU admission.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
26
Treatment with Pirfenidone as mentioned in the experimental arm description.
Treatment with SoC as mentioned in the control arm description.
Soroka Medical Center
Beersheba, Israel
Ventilation free days to day 28 (VFD28)
Measured in number of days
Time frame: Up to 28 days from admission to ICU
Severe adverse events (SAEs) rate
Number of SAEs divided to number of patients
Time frame: Through study completion, an average of 1 year
Mortality
Includes all cause mortality, mortality in the ICU, 28 days mortality, 60 days mortality, in-hospital mortality, and ARDS related mortality. Measured in number of days.
Time frame: Through study completion, an average of 1 year
ICU length of stay
Measured in number of days
Time frame: Through study completion, an average of 1 year
Lung compliance
Part of mechanical ventilation parameters, calculated as tidal volume divided by the difference between plateau pressure and PEEP. Daily average will be assessed until extubation. Units are mL/cmH2O.
Time frame: Through study completion, an average of 1 year
Tidal Volume
Part of mechanical ventilation parameters, it is the lung volume representing the volume of air displaced between normal inhalation and exhalation. Measured continuously by the ventilator, calculated and represented as area under the curve after omitting extreme values \<5 and \>95 percentiles. Measured in mL.
Time frame: Through study completion, an average of 1 year
Positive End Expiratory Pressure (PEEP)
Part of mechanical ventilation parameters, it is the pressure in the lungs above atmospheric pressure that exists at the end of expiration. It is set by the treating physicians according to the clinical situation of the patient, and will be documented daily until extubation. Measured in cmH2O.
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Time frame: Through study completion, an average of 1 year
Driving Pressure
Part of mechanical ventilation parameters, it is the difference between plateau pressure and PEEP. Measured continuously by the ventilator, calculated and represented as area under the curve after omitting extreme values \<5 and \>95 percentiles.
Time frame: Through study completion, an average of 1 year
Quality of life questionnaire
Assessed by St George Respiratory Questionnaire (SGRQ). Scoring range from 0 to 100, with higher scored indicating more limitation.
Time frame: on admission and 6 months after discharge
Vital Capacity (VC)
Part of pulmonary function tests, it is the maximum amount of air a person can expel from the lungs after a maximum inhalation. Measured on a spirometer in mL.
Time frame: On admission (if possible) and 6 months after discharge
Forced Vital Capacity (FVC)
Part of pulmonary function tests, it is the vital capacity that results from a maximally forced expiratory effort. Measured on a spirometer in mL.
Time frame: On admission (if possible) and 6 months after discharge
Forced Expiratory Volume at first second (FEV1)
Part of pulmonary function tests, it is the volume of air exhaled at the end of the first second of forced expiration. Measured on a spirometer in mL.
Time frame: On admission (if possible) and 6 months after discharge
Diffusing Capacity for Carbon Monoxide (DLCO)
Part of pulmonary function tests, it is the extent to which oxygen passes from the air sacs of the lungs into the blood. Measured on a spirometer in mL/min/kPa.
Time frame: On admission (if possible) and 6 months after discharge
6 minutes walking test
The distance covered over a time of 6 minutes, measured in meters.
Time frame: 6 months after discharge from hospital