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Comparing 10 approaches for respiratory insufficiency

Official title: Platform of Randomized Adaptive Clinical Trials in Critical Illness

Condition: Respiratory InsufficiencySponsor: University Health Network, TorontoTarget enrollment: 6250
  • 10 groups
  • Sites in Calgary, Edmonton and 24 more cities
  • Recruiting
London Health Sciences Centre - University Hospital, London, OntarioLondon Health Sciences Centre - Victoria Hospital, London, OntarioOttawa Heart Research Institute, Ottawa, OntarioCité de la Santé Hospital, Laval, QuebecUniversity of Calgary, Calgary, AlbertaUniversity of Alberta/Edmonton University Hospital, Edmonton, AlbertaNanaimo Regional General Hospital, Nanaimo, British ColumbiaSurrey Memorial Hospital, Surrey, British ColumbiaSt. Paul's Hospital, Vancouver, British ColumbiaRoyal Jubilee Hospital, Victoria, British ColumbiaVancouver Island Health - Royal Jubilee Hospital & Nanaimo Hospital, Victoria, British ColumbiaSt. Boniface Hospital, Winnipeg, ManitobaHealth Sciences Centre - Winnipeg, Winnipeg, ManitobaGrace Hospital, Winnipeg, ManitobaNova Scotia Health Authority, Halifax, Nova ScotiaWilliam Osler Health System, Brampton, OntarioBrantford General Hospital, Brantford, OntarioHamilton Health Sciences Centre - General, Hamilton, OntarioSt. Joseph's Hamilton, Hamilton, OntarioHamilton Health Sciences Centre - Juravinski, Hamilton, OntarioKingston Health Sciences Centre, Kingston, OntarioOak Valley Health, Markham, OntarioHalton Healthcare, Oakville, OntarioLakeridge Hospital, Oshawa, OntarioThe Ottawa Hospital, Ottawa, OntarioMackenzie Health, Richmond Hill, OntarioScarborough Health Network, Toronto, OntarioSunnybrook Health Sciences Centre, Toronto, OntarioUnity Health Toronto, Toronto, OntarioSinai Health, Mount Sinai Hospital, Toronto, OntarioUniversity Health Network, Toronto, OntarioCortellucci Vaughan Hospital, Vaughan, OntarioWindsor Regional Health, Windsor, OntarioCentre hospitalier de l'Université de Montréal (CHUM), Montreal, QuebecMUHC - McGill University Health Centre (Glen Site), Montreal, QuebecSacre Coeur du Montreal, Montreal, QuebecCentre Hospitalier Universite de Sherbrooke, Sherbrooke, QuebecTrois Riviere (CHAUR), Trois-Rivières, QuebecUniversity of Saskatchewan, Saskatoon, Saskatchewan

Interventions (21)

  • Other intervention

    Ultra-Protective Ventilation Facilitated by Extracorporeal Support

    Patients randomized to this intervention group will receive VV-ECMO with the ventilator set to minimize driving pressure and respiratory rate for ultra-protective ventilation.

  • Other intervention

    Lung-Protective Ventilation (LPV)

    Patients randomized to LPV will receive standard of care lung-protective ventilation with conventional limits on tidal volume and plateau airway pressure.

  • Other intervention

    Driving Pressure-Limited Ventilation (DPL)

    Patients randomized to DPL will receive mechanical ventilation set to maintain a safe limit on driving pressure and plateau airway pressure, without less for the tidal volume.

Canadian Sites (41)

37 of 41 recruiting

  • University of Calgary

    Calgary, Alberta

    Recruiting
  • University of Alberta/Edmonton University Hospital

    Edmonton, Alberta

    Recruiting
  • Nanaimo Regional General Hospital

    Nanaimo, British Columbia

    Recruiting

Eligibility Criteria

See who this study is looking for117 criteria

The trial’s own eligibility text, word for word from the registry. Only the trial site can say who takes part.

Inclusion

  • +Age ≥ 18 years
  • +Acute hypoxemic respiratory failure meeting all of the following criteria;
  • +New or worsening respiratory symptoms developing within 2 weeks prior to the onset of need for oxygen or respiratory support
  • +Receiving any of the following types of oxygen or respiratory support for at least 4 hours prior to the time of randomizationRandomisedWhich group you go into is decided by chance, not by you or your doctor.Read more →; supplemental oxygen at 10 L/min or higher, high flow nasal oxygen (at any flow rate), invasive ventilator support, extra-corporeal life support (ECLS), or non-invasive ventilator support
  • +Minimum FiO2 ≥ 0.40 (for venturi mask, high flow nasal cannula, or invasive or non-invasive ventilation) or oxygen flow rate ≥10 L/min on face mask for at least 4 hours at the time of evaluation for eligibilityEligibility criteriaThe full list of requirements for taking part in a study.Read more → unless already on extra-corporeal life support
  • +Hypoxemia not primarily attributable to acute heart failure, fluid overload, or pulmonary embolism (PE)
  • +PRACTICAL Platform

Exclusion

  • Previous hypersensitivity/anaphylactic reaction to heparin or heparin-induced thrombocytopenia
  • Allergy to dexamethasone
  • Known hypersensitivity to fludrocortisone
  • Known allergy to furosemide or sulfonamide drugs. If the patient is allergic to sulfonamide drugs but has received in the past or is currently receiving furosemide without incident, they can be enrolledEnrolmentThe number of participants a study plans to include, or has included.Read more → since cross-reactivity between furosemide and sulfonamide agents is rare.
  • Extubation is planned or anticipated on the day of screeningScreeningThe checks done before joining, to see whether a study fits.Read more →
  • ICU discharged is planned or anticipated on the day of screening
  • If the patient is moribund and deemed unlikely to survive 24 hours (as determined by the clinical team)
  • If the patient is being transitioned to a fully palliative philosophy of care
  • EXPAND-ECLS Domain Inclusion CriteriaInclusion criteriaThe things you must have or be for a study to consider you.Read more →:
  • Receiving invasive Endotracheal mechanical ventilation for ≤ 72 hours.5 days
  • Early Moderate-severe hypoxemic respiratory failure with a PaO2/FiO2≤150200 mmHg for at least 6 hours
  • EXPAND-ECLS Domain Exclusion CriteriaExclusion criteriaThe things that would prevent someone from taking part.Read more →:
  • Patients over 70 years of age.
  • Currently receiving any form of ECLS (e.g., Venovenous, venoarterial, or hybrid configuration).
  • Chronic hypercapnic respiratory failure defined as PaCO2 \> 60 mmHg in the outpatient setting.
  • Home mechanical ventilation (non-invasive ventilation or via tracheotomy) except for CPAP/BiPAP used solely for sleep-disordered breathing.
  • Actual body weight exceeding 1 kg per centimeter of height.
  • More than 48 hours have passed since meeting inclusion criteria.
  • Severe hypoxemia with PaO2/FiO2 \< 80mmHg for \> 6 hours at time of screening.
  • Severe hypercapnic respiratory failure with pH \< 7.25 and PaCO2 \> 60 mmHg for \> 6 hours at time of screening.
  • Expected mechanical ventilation duration \< 48 hours at time of screening.
  • Confirmed diffuse alveolar hemorrhage from vasculitis.
  • Contraindications to limited anticoagulation (e.g., active GI bleeding, bleeding diathesis).
  • Neurologic conditions at risk for or undergoing treatment for intracranial hypertension
  • Underlying illness with life expectancy \< 1 year
  • Respiratory failure known or suspected to be caused by COVID-19.
  • IMV Domain Inclusion Criteria:
  • Intubated patients, not on ECLS, with low normalized respiratory elastance (\<2.5 cm H2O/(ml/kg predicted body weight)) at the time of eligibilityEligibility criteriaThe full list of requirements for taking part in a study.Read more → assessment OR
  • Intubated patients, not on ECLS, with high normalized respiratory system elastance (≥2.5 cm H2O/(ml/kg predicted body weight)) at the time of eligibility assessment OR
  • FOR STUDY SITES PARTICIPATING IN THE LDPVS INTERVENTION: Patient is on ECLS at the time of eligibility assessment. Note: Patients in this state are only eligible for the LPV or LDPVS intervention
  • FOR STUDY SITES PARTICPATING IN THE EIT INTERVENTION: PaO2/FiO2 (if available) \< 200 mm Hg at randomizationRandomisedWhich group you go into is decided by chance, not by you or your doctor.Read more →. If PaO2/FiO2 has not been measured, SpO2 = 97% on FiO2 =60%.
  • IMV Domain Exclusion Criteria:
  • PaO2/FiO2 \>300 mm Hg or (S/F \>250, if PaO2/FiO2 has not been measured) at the time of randomization
  • Chronic hypercapnic respiratory failure defined as PaCO2\>60mmHg in the outpatient setting
  • Home mechanical ventilation (non-invasive ventilation or via tracheotomy), not including nocturnal CPAP applied by nasal or face mask or home tracheotomy if not ventilated
  • Severe hypoxemia with PaO2/FiO2\<80mmHg for \>6 consecutive hours at the time of randomization
  • Severe hypercapnic respiratory failure with pH\<7.25 and PaCO2\>60mmHg for \>6 consecutive hours at the time of randomization
  • Anticipated duration of mechanical ventilation is \<48 hours from the time of screening
  • Duration of mechanical ventilation during current ICU admission is \>72 hours
  • Previously diagnosed neuromuscular disorder
  • Current diagnosis of severe acute brain injury (e.g. ischemic or hemorrhagic stroke, traumatic brain injury) with Glasgow Coma Scale ≤ 8
  • BaselineBaselineYour starting measurements, taken before treatment begins.Read more → weight prior to or at hospital admission less than 35 kilograms
  • Receiving extracorporeal life support without continuous invasive mechanical ventilatory support
  • CORT-E2 Domain Early CohortCohortA group of participants sharing a characteristic, followed together.Read more → Inclusion Criteria
  • Within 72 hours of admission to an ICU
  • New unilateral or bilateral airspace disease
  • CORT-E2 Domain Early Domain Exclusion Criteria
  • Receiving only low flow oxygen therapy less than or equal to 15L/min
  • Corticosteroid use during the 14 days prior to screening
  • Existing indication for corticosteroids
  • High suspicion for/or confirmed COVID infection
  • Acute traumatic brain injury during the index hospital admission
  • CORT-E2 Domain Extended Cohort Inclusion Criteria
  • Are admitted to an ICU
  • Have already received 10 days of corticosteroid specifically for acute respiratory failure, this will include patients: (a) randomized to corticosteroid armArmOne of the groups in a study, each receiving something different.Read more → in Early Cohort, (b) patients with COVID receiving corticosteroids as standard of careStandard of careThe treatment normally given for a condition outside a study.Read more → , (c) and others who have received corticosteroids for AHRF
  • Ongoing AHRF requiring HFNC, NIV (continuous positive airway pressure \[CPAP\] or bilevel) or invasive ventilation
  • CORT-E2 Domain Extended Cohort Exclusion Criteria
  • An alternate indication for ongoing corticosteroids
  • Acute traumatic brain injury this hospital admission
  • FLUDRO Domain Inclusion Criteria 1. Within 72 hours of admission to an ICU
  • FLUDRO Domain Exclusion Criteria
  • An inability to receive fludrocortisone due to lack of enteral access
  • An indication to prescribe fludrocortisone for a reason that is unrelated to a current episode of pneumonia or acute respiratory failure, such as Addison's disease
  • Belief of the treating clinical team that study participation would not be in the best interest of the patient
  • FAST-3 Domain Inclusion Criteria (must meet all 3 of the following)
  • Patient is in a PRACTICAL eligible platform state and requires advanced respiratory support (ARS) defined as one of the following:
  • a. Invasive mechanical ventilation with FiO2 \> 40% b. Non-Invasive Ventilation (\> 4 hours consecutively with FiO2 \> 40%) defined as: i. CPAP or BiPAP (any settings or interface) ii. HFNC (flow \> 40 liter per minute)
  • PaO2/FiO2 \< 300 mm Hg or SpO2/FiO2 \< 315 (if PaO2/FiO2 unavailable due to lack of arterial blood gas at the time of screening). For SpO2/FiO2, criteria are SpO2 ≤ 97% on FiO2 ≥ 40% on both of the 2 hours immediately preceding eligibility assessment. If an arterial blood gas can be obtained, then a PaO2/FiO2 ratio is preferable.
  • Patient commenced advanced respiratory support \< 48 hours prior to randomization.
  • FAST-3 Domain Exclusion Criteria
  • Patient commenced advanced respiratory support \> 48 hours to time of randomization.
  • Known history of severe chronic pulmonary disease e.g., pre-infection requirement for home oxygen therapy or presence of chronic hypercapnia (PaCO2 \> 60 mmHg); mild - moderate disease is still eligible in the absence of chronic hypercapnia or need for chronic oxygen therapy.
  • Currently enrolled in another trial studying investigational anti-inflammatory therapy, excluding established treatments used in clinical practice such as corticosteroids.
  • ESCAPE Domain Inclusion Criteria
  • Patients with severe AHRF who have an underlying immunocompromised condition
  • Within 48 hours of fulfilling the AHRF inclusion criteria as well as PaO2/FiO2 \<300 or a SaO2/FiO2 \< 315 on non-invasive respiratory support (venturi mask, non-invasive ventilation or high flow nasal oxygen as per the FiO2 requirements above) or invasive ventilation.
  • Patients may be enrolled from the wards or ICU.
  • Immunocompromised patients include:
  • Any patients requiring long term (\>30 days) corticosteroids (\>20 mg/day),
  • Any patients receiving non-corticosteroid immunosuppressive medications within the prior 3 months,
  • Acquired or inherited immunodeficiency syndrome,
  • Recipients of solid organ transplant,
  • Active hematologic malignancy (diagnosis or receiving treatment within prior 6 months),
  • Active solid tumor (diagnosis or receiving treatment within the prior 6 months) or
  • Any patients who have undergone allogeneic or autologous hematopoietic cell transplant in the prior 6 months (HCT).
  • ESCAPE Domain Exclusion Criteria
  • Patients whom are deemed palliative.
  • WAVEFORM Domain Inclusion Criteria
  • \. Patient is intubated at the time of eligibility assessment.
  • WAVEFORM Domain Exclusion Criteria
  • PaO2/FiO2 \>300 mm Hg or (S/F \>250, if PaO2/FiO2 has not been measured) at the time of eligibility assessment.
  • Duration of mechanical ventilation during current ICU admission is ≥72 hours.
  • Receiving ECLS without continuous invasive mechanical ventilatory support.
  • IMV-ECLS Domain Inclusion Criteria
  • \. Patients with AHRF (as defined in platform inclusion criteria #1 above) who have been consented for cannulation for VV-ECLS or who have been initiated on VV-ECLS within 6 hours at the time of randomization
  • IMV-ECLS Domain Exclusion Criteria 1. Patients receiving ECLS for the primary intention of extracorporeal CO2 removal 2. Patients expected to be liberated from ECLS within \<24 hours 3. History of recent pneumothorax or pneumomediastinum (\<3 months at the time of eligibility assessment/randomization) 4. Patients receiving ECLS for the primary intention of bridge to lung transplantation (at the time of eligibility assessment/randomization)
  • IMPROV Domain Inclusion Criteria
  • Patients receiving invasive mechanical ventilation for AHRF as defined by the PRACTICAL platform trial criteria above.
  • Within 7 calendar days of intubation
  • IMPROV Domain Exclusion Criteria
  • Patient is expected to be liberated from mechanical ventilation within 24 hours
  • Known or suspected chronic hypercapnic respiratory failure defined as PaCO2\>60mmHg in the outpatient setting
  • Home mechanical ventilation (non-invasive ventilation or via tracheotomy), not including nocturnal CPAP applied by nasal or face mask or home tracheotomy if not ventilated
  • Known pneumothorax or pneumomediastinum without chest tube placement sustained during current ICU admission\* (re-confirm immediately prior to randomization)
  • Patient is admitted primarily for acute brain injury (stroke, traumatic brain injury, etc.)
  • Previously diagnosed chronic neuromuscular disorder
  • Patient has an implantable cardiac defibrillator or pacemaker
  • Planned to be transferred to another hospital before ICU discharge
  • Already receiving a regimen of inspiratory muscle training using external resistive device or diaphragm neurostimulation
  • Pregnancy (due to unknown effects of PaCO2 changes on placental blood flow)
5 concepts to explore on this page · up to 1,300 pointsTap any term to learn what it means.

In plain language

Assembled directly from this trial’s registry record. Every sentence traces to a field below — nothing here is generated or interpreted.

Learning 
What this study is

This study is testing a treatment for a condition.

This study is not organised into the usual phase numbers — that is common for device, behavioural, and diagnostic research.

From the trial registry

Built from these fields:

  • designModule.designInfo.primaryPurpose
  • designModule.phases
Who receives what

There are 10 groups in this study.

Group A receives one or more of: Ultra-Protective Ventilation Facilitated by Extracorporeal Support, Lung-Protective Ventilation (LPV) and VV ECMO-facilitated strategy of earlier awakening, extubation and rehabilitation.

Registry label: A: Ultra-protective ventilation facilitated by extracorporeal carbon dioxide removal.

Group B receives one or more of: Lung-Protective Ventilation (LPV), Driving Pressure-Limited Ventilation (DPL), Lung- and Diaphragm-Protective Ventilation and Sedation (LDPVS) and Electrical impedance tomography (EIT).

Registry label: B: Invasive Mechanical Ventilation (IMV) Strategies domain

Group C receives one or more of: Early CohortCohortA group of participants sharing a characteristic, followed together.Read more → corticosteroid dose, Extended Cohort corticosteroid dose, Usual careStandard of careThe treatment normally given for a condition outside a study.Read more → without routine corticosteroids and Usual care without extending corticosteroids.

Registry label: C: The Corticosteroid Early and Extended (CORT-E2) Randomized Controlled Trial domain

Group D receives one or more of: Drug 4 mL: and Drug 40 mg:.

Registry label: D: The Nebulized Furosemide for the Treatment of Pulmonary Inflammation (FAST-3) domain

Group E receives one or more of: PEEP-20, PEEP-AOP and PEEP-10.

Registry label: E: The Invasive Mechanical Ventilation Strategies in Venovenous-Extracorporeal Life Support (IMV-ECLS)

Group F receives one or more of: Usual care with fludrocortisone and Usual care without fludrocortisone.

Registry label: F: The Fludrocortisone in Acute Hypoxemic Respiratory Failure with Airspace Disease (FLUDRO-1) domain

Group G receives VV ECMO-facilitated strategy of earlier awakening, extubation and rehabilitation, together with one or more of: Ultra-Protective Ventilation Facilitated by Extracorporeal Support and Lung-Protective Ventilation (LPV).

Registry label: G: VV ECMO-facilitated strategy of earlier awakening, extubation and rehabilitation

Group H receives no treatment / intervention armArmOne of the groups in a study, each receiving something different.Read more → is involved.

Registry label: H: Evaluating Subphenotypes in Immunocompromized Patients with ARF (ESCAPE) Domain

Group I receives one or more of: Usual care and Early Routine IMT.

Registry label: I: Inspiratory Muscle Training in Patients Receiving Ongoing Mechanical Ventilation (IMPROV) Domain

Group J receives no treatment / intervention arm is involved..

Registry label: J: Clinical Implications of Potentially Injurious Patient-Ventilator Interactions (WAVEFORM) Domain

From the trial registry

Built from these fields:

  • armsInterventionsModule.armGroups[].label
  • armsInterventionsModule.armGroups[].type
  • armsInterventionsModule.armGroups[].interventionNames
How the study is run

Which group you would be placed in is decided by chance, like a coin flip — not by you and not by your doctor.

Neither you nor the study team would know which group you are in until the study ends.

From the trial registry

Built from these fields:

  • designModule.designInfo.allocation
  • designModule.designInfo.maskingInfo.masking
Is there a placebo?

This study does not list a placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → group.

From the trial registry

Built from these fields:

  • armsInterventionsModule.armGroups[].type
  • armsInterventionsModule.armGroups[].interventionNames
Who the study is looking for

The study lists a minimum age of 18 years, with no upper limit given.

The study is open to people of any sex.

The study does not accept healthy volunteersHealthy volunteerSomeone without the condition being studied who takes part anyway.Read more →.

These are the criteria the study lists. Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can decide whether someone can take part.

From the trial registry

Built from these fields:

  • eligibilityModule.minimumAge
  • eligibilityModule.sex
  • eligibilityModule.healthyVolunteers
How big and how long

The study aims to enrol about 6,250 people.

The study is currently expected to finish around March 2027.

The main measurement is taken over: 2 years of active siteTrial siteA hospital or clinic where a study is actually run.Read more → enrollmentEnrolmentThe number of participants a study plans to include, or has included.Read more →.

From the trial registry

Built from these fields:

  • designModule.enrollmentInfo.count
  • statusModule.completionDateStruct.date
  • outcomesModule.primaryOutcomes[].timeFrame
What the study measures

EXPAND-ECLS domain - determine the feasibility of recruitingRecruitingThe study is currently looking for participants.Read more → 100 patients over 2 years of active enrolmentEnrolmentThe number of participants a study plans to include, or has included.Read more →, as well as assess the rate of participant recruitment and understand the barriers to enrollment — measured over 2 years of active siteTrial siteA hospital or clinic where a study is actually run.Read more → enrollment.

FLUDRO-1 and IMV domains - ventilator-free days to day 28 in DPL vs LPV (DRIVE RCT) — measured over Day 28 post randomizationRandomisedWhich group you go into is decided by chance, not by you or your doctor.Read more →.

IMV domain - adherence to LDPVS management (LANDMARK RCT) — measured over Day 28.

IMV domain - probability of achieving and maintaining lung- and diaphragm-protective targets during mechanical ventilation (LANDMARK RCT) — measured over Day 28.

The study lists 8 further main measurements.

From the trial registry

Built from these fields:

  • outcomesModule.primaryOutcomes[].measure
  • outcomesModule.primaryOutcomes[].timeFrame

Source: NCT05440851 on ClinicalTrials.gov. The full registry text is further down this page — this summary never replaces it.

Not medical advice. What do these terms mean?

What is being tested — in plain terms

About Ultra-Protective Ventilation Facilitated by Extracorporeal SupportOther

Patients randomized to this intervention group will receive VV-ECMO with the ventilator set to minimize driving pressure and respiratory rate for ultra-protective ventilation.

From the trial registry — its own words, unedited.

What a other is here: An intervention the registry did not place in another category.

Read the full explanation → · in clinical review

About Lung-Protective Ventilation (LPV)Other

Patients randomized to LPV will receive standard of care lung-protective ventilation with conventional limits on tidal volume and plateau airway pressure.

From the trial registry — its own words, unedited.

What a other is here: An intervention the registry did not place in another category.

Read the full explanation → · in clinical review

About Driving Pressure-Limited Ventilation (DPL)Other

Patients randomized to DPL will receive mechanical ventilation set to maintain a safe limit on driving pressure and plateau airway pressure, without less for the tidal volume.

From the trial registry — its own words, unedited.

What a other is here: An intervention the registry did not place in another category.

Read the full explanation → · in clinical review

About Lung- and Diaphragm-Protective Ventilation and Sedation (LDPVS)Other

Patients randomized to LDPVS will have ventilation and sedation adjusted to maintain lung-distending pressure and respiratory effort in a safe target range.

From the trial registry — its own words, unedited.

What a other is here: An intervention the registry did not place in another category.

Read the full explanation → · in clinical review

About Early Cohort corticosteroid doseDrug

Patients randomized to receive corticosteroids will receive dexamethasone 20mg daily for 5 days and then 10mg for an additional 5 days, for a total of 10 days from the time of randomization (or until ICU discharge or death, whichever comes first); after 10 days dexamethasone will be stopped without a taper.

From the trial registry — its own words, unedited.

What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.

Read the full explanation → · in clinical review

About Extended Cohort corticosteroid doseDrug

Patients randomized to receive extended corticosteroids will receive dexamethasone 10mg for an additional 10 days. At the end of the additional 10 days (day 20 of corticosteroids), the dexamethasone dose will be halved to 5mg for another 5 days (to reduce the risk of adrenal insufficiency) and then stopped (a total of 25 days or until ICU discharge or death, whichever comes first).

From the trial registry — its own words, unedited.

What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.

Read the full explanation → · in clinical review

About Usual care without routine corticosteroidsDrug

Patients randomized to this arm will be managed according to usual care. They will receive corticosteroids only if prescribed by the clinician.

From the trial registry — its own words, unedited.

What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.

Read the full explanation → · in clinical review

About Usual care without extending corticosteroidsDrug

Corticosteroids will stop after 10 days. Other management will be according to usual care. Patients will receive corticosteroids only if prescribed by the clinician.

From the trial registry — its own words, unedited.

What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.

Read the full explanation → · in clinical review

About Usual care with fludrocortisoneDrug

Best practice standard of care prescribed by treating team + fludrocortisone 50μg enterally daily for 7 days.

From the trial registry — its own words, unedited.

What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.

Read the full explanation → · in clinical review

About Usual care without fludrocortisoneDrug

Best practice standard of care prescribed by treating team without fludrocortisone. After randomization, if a clinical indication develops for fludrocortisone as part of standard of care, administration of fludrocortisone is not prohibited. Any fludrocortisone administered to participants in the control arm will be documented.

From the trial registry — its own words, unedited.

What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.

Read the full explanation → · in clinical review

About Drug 4 mL:Drug

4 mL of nebulized 0.9% saline minutes every 6 hours over 30 minutes every 6 hours.

From the trial registry — its own words, unedited.

What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.

Read the full explanation → · in clinical review

About Drug 40 mg:Drug

40 mg of nebulized furosemide in 4 mL of saline nebulized over 30 minutes every 6 hours

From the trial registry — its own words, unedited.

What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.

Read the full explanation → · in clinical review

About PEEP-20Other

fixed high positive end-expiratory pressure at 20 cmH2O

From the trial registry — its own words, unedited.

What a other is here: An intervention the registry did not place in another category.

Read the full explanation → · in clinical review

About PEEP-AOPOther

positive end-expiratory pressure set according to airway opening pressure

From the trial registry — its own words, unedited.

What a other is here: An intervention the registry did not place in another category.

Read the full explanation → · in clinical review

About PEEP-10Other

fixed lower positive end-expiratory pressure at 10 cmH2O

From the trial registry — its own words, unedited.

What a other is here: An intervention the registry did not place in another category.

Read the full explanation → · in clinical review

About VV ECMO-facilitated strategy of earlier awakening, extubation and rehabilitationOther

Patients randomized to this intervention group will receive VV-ECMO where the sedation will be reduced and the ventilator will will be adjusted to facilitate spontaneous breathing.

From the trial registry — its own words, unedited.

What a other is here: An intervention the registry did not place in another category.

Read the full explanation → · in clinical review

About Electrical impedance tomography (EIT)Other

Patients randomized to EIT will have PEEP titration compared via the Overdistension Collapse Intercept (ODCL) versus that obtained using a standard high PEEP table.

From the trial registry — its own words, unedited.

What a other is here: An intervention the registry did not place in another category.

Read the full explanation → · in clinical review

About no treatment / intervention arm is involvedOther

This trial is a prospective, multicenter, observational study (no treatment arm is involved).

From the trial registry — its own words, unedited.

What a other is here: An intervention the registry did not place in another category.

Read the full explanation → · in clinical review

About Usual careOther

Patients will be treated according to usual care.

From the trial registry — its own words, unedited.

What a other is here: An intervention the registry did not place in another category.

Read the full explanation → · in clinical review

About Early Routine IMTOther

* Training commences once patients meet readiness to wean criteria * 3 sets of 10 breaths, delivered twice daily using a device placed at the airway opening to apply an external resistive pressure load, until hospital discharge, death, or day 45 after randomization, whichever occurs first. * Device load will initially be set to 30% of the MIP. * Device load will be titrated upward (in increments of 5-10% of MIP, to a maximum of 60% of MIP) as needed to achieve a modified Borg dyspnea score of 7/10 or visible accessory muscle use.

From the trial registry — its own words, unedited.

What a other is here: An intervention the registry did not place in another category.

Read the full explanation → · in clinical review

About no treatment / intervention arm is involved.Other

This trial is a prospective, multicenter, observational study (no treatment arm is involved).

From the trial registry — its own words, unedited.

What a other is here: An intervention the registry did not place in another category.

Read the full explanation → · in clinical review

Common questions

Answered from this trial’s registry record. Where the record doesn’t say, these answers say so rather than filling the gap.

Am I eligible for this trial?

Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can decide whether someone can take part. Concord cannot make that determination, and neither can any tool that has not examined you.

What the study lists: a minimum age of 18 years.

The full inclusionInclusion criteriaThe things you must have or be for a study to consider you.Read more → and exclusion criteriaExclusion criteriaThe things that would prevent someone from taking part.Read more → are published on this page, exactly as the study team wrote them.

The useful next step is to bring this trial to your doctor. Answering a few questions first gives them something concrete to review.

From the trial registry
  • eligibilityModule.minimumAge
  • eligibilityModule.eligibilityCriteria
Is there a placebo?

This study does not list a placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → group.

From the trial registry
  • armsInterventionsModule.armGroups[].type
Would I know which treatment I am getting?

Neither you nor the study team would know which group you are in until the study ends.

Which group you would be placed in is decided by chance, like a coin flip — not by you and not by your doctor.

From the trial registry
  • designModule.designInfo.maskingInfo.masking
  • designModule.designInfo.allocation
Who can join?

The study lists a minimum age of 18 years, with no upper limit given.

It is open to people of any sex.

It does not accept healthy volunteersHealthy volunteerSomeone without the condition being studied who takes part anyway.Read more →.

Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can confirm whether a particular person can take part.

From the trial registry
  • eligibilityModule.minimumAge
  • eligibilityModule.sex
  • eligibilityModule.healthyVolunteers
How long would this take?

The study's main measurement is taken over: 2 years of active siteTrial siteA hospital or clinic where a study is actually run.Read more → enrollmentEnrolmentThe number of participants a study plans to include, or has included.Read more →..

The study as a whole is currently expected to finish around 2027-03-31.

How long any one person takes part can differ from the study length. The study team can tell you what the schedule looks like in practice.

From the trial registry
  • outcomesModule.primaryOutcomes[].timeFrame
  • statusModule.completionDateStruct.date
How many people are taking part?

The study aims to enrol about 6,250 people.

From the trial registry
  • designModule.enrollmentInfo.count
Where is this happening?

This study lists 30 locations, including: Calgary, Alberta, Canada; Edmonton, Alberta, Canada; Nanaimo, British Columbia, Canada; Surrey, British Columbia, Canada; Vancouver, British Columbia, Canada; Victoria, British Columbia, Canada, and 24 more.

Sites can open and close during a study, so confirm with the team before travelling.

From the trial registry
  • trial_locations

About This Trial

PRACTICAL is a randomized multifactorial adaptive platform trial for acute hypoxemic respiratory failure (AHRF). This platform trial will evaluate novel interventions for patients with AHRF across a range of severity states (i.e., not intubated, intubated with lower or higher respiratory system elastance, requiring extracorporeal life support) and across a range of investigational phases (i.e., preliminary mechanistic trials, full-scale clinical trials). AHRF is a common and life-threatening clinical syndrome affecting millions globally every year. Patients with AHRF are at high risk of death and long-term morbidity. Patients who require invasive mechanical ventilation are at risk of ventilator-induced lung injury and ventilator-induced diaphragm dysfunction. New treatments and treatment strategies are needed to improve outcomes for these very ill patients. Utilizing advances in Bayesian adaptive trial design, the platform will facilitate efficient yet rigorous testing of new treatments for AHRF, with a particular focus on mechanical ventilation strategies and extracorporeal life support techniques as well as pharmacological agents and new medical devices. The platform is designed to enable evaluation of novel interventions at a variety of stages of investigation, including pilot and feasibility trials, trials focused on mechanistic surrogate endpoints for preliminary clinical evaluation, and full-scale clinical trials assessing the impact of interventions on patient-centered outcomes. A domain is defined as a set of interventions that are intended to act on specific mechanisms of injury using different variations of a common therapeutic strategy. A domain may also be a non-interventional study that addresses observational research questions by collecting specific data or outcomes that are not collected as part of other domains. Domains are intended to function independently of each other, allowing independent evaluation of multiple therapies and mechanistic pathways within the same patient. Once feasibility is established, Bayesian adaptive statistical modelling will be used to evaluate treatment efficacy at regular interim adaptive analyses of the pre-specified outcomes for each intervention in each domain. These adaptive analyses will compute the posterior probabilities of superiority, futility, inferiority, or equivalence for pre-specified comparisons within domains. Each of these potential conclusions will be pre-defined prior to commencing the intervention trial. Decisions about trial results (e.g., concluding superiority or equivalence) will be based on pre-specified threshold values for posterior probability. The primary outcome of interest, the definitions for superiority, futility, etc. (i.e., the magnitude of treatment effect) and the threshold values of posterior probability required to reach conclusions for superiority, futility etc., will vary from intervention to intervention depending on the phase of investigation and the nature of the intervention being evaluated. All of these parameters will be pre-specified as part of the statistical design for each intervention trial. In general, domains will be designed to evaluate treatment effect within four discrete clinical states: non-intubated patients, intubated patients with low respiratory system elastance (\<2.5 cm H2O/(mL/kg)), intubated patients with high respiratory system elastance (≥2.5 cm H2O/(mL/kg)), and patients requiring extracorporeal life support. Where appropriate, the model will specify dynamic borrowing between states to maximize statistical information available for trial conclusions. In this perpetual trial design, different interventions may be added or dropped over time. Where possible, the platform will be embedded within existing data collection repositories to enable greater efficiency in outcome ascertainment. Standardized systems for acquiring both physiological and biological measurements are embedded in the platform, to be acquired at sites with appropriate training, expertise, and facilities to collect those measurements.

Other Sites (4)

VA Ann Arbor Healthcare System

Ann Arbor, Michigan, United States

University of Michigan Health

Ann Arbor, Michigan, United States

Mount Sinai New York City

New York, New York, United States

Columbia University Irving Medical Center

New York, New York, United States

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This page is for informational purposes only and does not constitute medical advice. Clinical trial eligibility can only be determined by the trial site after proper screening. Trial information is sourced from ClinicalTrials.gov and may not reflect the most current status. Always consult your healthcare provider before making decisions about clinical trial participation.