Pilot Study for the SQUEEZE Trial (SQUEEZE)

August 16, 2016 updated by: Melissa J Parker, MD, MSc, McMaster Children's Hospital

Pilot Study for the SQUEEZE Trial: a Trial to Determine Whether Septic Shock Reversal is Quicker in Pediatric Patients Randomized to an Early Goal Directed Fluid-sparing Strategy vs. Usual Care (SQUEEZE)

The purpose of the SQUEEZE Trial is to determine which fluid resuscitation strategy results in the best outcomes for children treated for suspected or confirmed septic shock. In this study, eligible children will be randomized to either the 'Usual Care Arm' or the 'Fluid Sparing Arm'. Children will receive treatment according to current ACCM Septic Shock Resuscitation Guidelines, with the assigned resuscitation strategy used to guide administration of further fluid boluses as well as the timing of initiation and escalation of vasoactive medications to achieve ACCM recommended hemodynamic targets.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Current pediatric surviving sepsis guidelines from the American College of Critical Care Medicine (ACCM) emphasize an early and goal-directed approach to resuscitation. These guidelines suggest that fluid resuscitation should be aggressive with repeated intravenous (IV) fluid boluses of 20 mL/kg, such that some children may require as much as 200 mL/kg of fluid to achieve therapeutic endpoints. The guidelines also recommend the initiation of vasoactive agents at the stage of "fluid refractory shock", i.e. when there is persistent hypoperfusion despite at least 60 ml/kg IV fluid. Improvements in pediatric septic shock survival have been attributed to adherence to the first iteration of the ACCM septic shock guidelines, and the use of goal directed targets. However, the largest and most publicized pediatric trial of fluid resuscitation in children with suspected septic shock (FEAST Trial), published in NEJM in 2011, demonstrated an increased mortality among children treated with aggressive fluid resuscitation in comparison to the conservative fluid resuscitation arm. As a result, the pediatric critical care community clearly acknowledges that these results, while important, are not necessarily generalizable to developed countries such as Canada.

Emerging publications in the ICU literature suggest that excessive compared to conservative fluid administration in adults with septic shock worsens outcomes such as duration of mechanical ventilation, complications related to the third-spacing of fluids, length of ICU stay, and mortality. A systematic review published in August 2012 reveals a paucity of randomized controlled trial (RCT) evidence apart from the FEAST trial examining the impact of fluid resuscitation on mortality in children with septic shock. This raises the important question of whether children in developed countries would also benefit from a fluid sparing resuscitation strategy to achieve the ACCM goal-directed targets. Use of such a fluid sparing strategy would, by default, require earlier initiation and preferential escalation of vasoactive medications to meet ACCM hemodynamic goals. The optimal degree of fluid resuscitation and the timing of initiation of vasoactive support in order to achieve therapeutic targets in children with septic shock remains unanswered.

This Pilot Randomized Controlled Trial constitutes the first step in answering our research question of whether, in pediatric patients with septic shock, use of a fluid sparing strategy to achieve ACCM therapeutic goals, results in improved clinical outcomes without an increased risk of adverse events, compared to the usual care of aggressive fluid resuscitation as currently recommended by the ACCM guidelines. The purpose of the pilot study is to determine feasibility and inform the appropriate methodological design of the larger multi-centre RCT to fully answer our research question. The hypothesis of the pilot study is that the SQUEEZE Trial is feasible to conduct.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
53

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Canada
    • Ontario
      • Hamilton, Ontario, Canada, L8S 4K1
        • McMaster Children's Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

4 weeks to 17 years (CHILD)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

Inclusion Criteria for 1 and 3 must be answered YES to be eligible for study.

1. Age 29 days to less than 18 years of age

2a) Patient has Persistent Signs of Shock including one or more of the following: i) Vasoactive Medication Dependence ii) Hypotension (Systolic Blood Pressure and/or Mean Blood Pressure less than the 5th percentile for age) iii) Abnormal Perfusion (2 or more of: abnormal capillary refill, tachycardia, decreased level of consciousness, decreased urine output)

2b) Suspected or Confirmed Septic Shock (Shock due to Suspected or Confirmed Infectious Cause)

2c) Patient has received initial fluid resuscitation of: Minimum of 40 mL/kg of isotonic crystalloid (0.9% Normal Saline and/or Ringer's Lactate) and/or colloid (5% albumin) as fluid boluses within the previous 6 hours for patients weighing less than 50 kg, OR Minimum of 2 litres (2000 mL) of isotonic crystalloid (0.9% Normal Saline and/or Ringer's Lactate) and/or colloid (5% albumin) as fluid boluses within the previous 6 hours for patients weighing 50 kg or more

3. Patient has Fluid Refractory Septic Shock as defined by the Presence of all of 2a, 2b, and 2c.

Exclusion Criteria:

  • Patient admitted to the Neonatal Intensive Care Unit (NICU)
  • Patient requiring resuscitation in the Operating Room (OR) or Post-Anesthetic Care Unit (PACU)
  • Full active resuscitative treatment not within the goals of care
  • Shock Secondary to Cause other than Sepsis (i.e. obvious signs of cardiogenic shock, anaphylactic shock, hemorrhagic shock, spinal shock)
  • Previous enrolment in this trial, where known by the research team

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: TREATMENT
  • Allocation: RANDOMIZED
  • Interventional Model: PARALLEL
  • Masking: SINGLE

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
NO_INTERVENTION: Usual Care Resuscitation Strategy
Decisions regarding the IV/IO administration of isotonic fluid boluses and/or the initiation and escalation of vasoactive medication infusions are left to the discretion of the treating physician and medical team. We ask that vasoactive medications not be initiated until at least 60 mL/kg (3 litres for children ≥ 50 kg) of isotonic fluid bolus therapy has been administered. The treating physician and medical team are advised to follow ACCM guidelines for the resuscitation of neonatal and pediatric septic shock and to target ACCM recommended therapeutic endpoints.
EXPERIMENTAL: Fluid Sparing Resuscitation Strategy
The treating physician and medical team are advised to follow the assigned Fluid Sparing Resuscitation Strategy to guide decisions regarding the IV/IO administration of further isotonic fluid boluses, and the timing of initiation and escalation of vasoactive medication infusions to target the therapeutic endpoints recommended in the ACCM guidelines for the resuscitation of neonatal and pediatric septic shock.
Other: Fluid Sparing Resuscitation Strategy

Tier 1: Initiate IV/IO vasoactive medication infusion support immediately. Further IV/IO isotonic fluid bolus therapy [crystalloid (0.9% Normal Saline or Ringers Lactate) or colloid (5% Albumin)] should be avoided; small volume isotonic fluid boluses [5-10 mL/kg (250-500 mL for participants ≥ 50 kg)] may be provided if required due to A. Clinically unacceptable delay in ability to initiate vasoactive medication infusion(s) and/or 2. Documented intravascular hypovolemia.

Tier 2: Vasoactive medication(s) should be preferentially titrated/escalated to achieve recommended ACCM hemodynamic goals. Further IV/IO isotonic fluid bolus therapy [crystalloid (0.9% Normal Saline or Ringers Lactate) or colloid (5% Albumin)] should be avoided; small volume isotonic fluid boluses [5-10 mL/kg (250-500 mL for participants ≥ 50 kg)] may be provided if required due to A. Documented intravascular hypovolemia.

Intervention end: Patient is free from vasoactive medication support and shock is reversed.

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Feasibility of conducting the SQUEEZE Trial
Time Frame: The earliest of: 1. Recruitment of the planned 50 participants, or 2. 24 months following initiation of recruitment

The Primary Outcome of Feasibility of conducting the SQUEEZE Trial will be evaluated based on the following:

  1. Participant enrolment rate: We will define success as an enrolment rate of at least 2 patients/month (recognizing that enrolment may be slower during the study run-in phase).
  2. Protocol adherence: the ability to execute the study procedures. We will assess our ability to initiate study procedures in enrolled patients within 1 hour of randomization.
The earliest of: 1. Recruitment of the planned 50 participants, or 2. 24 months following initiation of recruitment

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Appropriateness of eligibility criteria
Time Frame: The earliest of: 1. Recruitment of the planned 50 participants, or 2. 24 months following initiation of recruitment
We will determine our ability to enroll patients based on the current eligibility criteria, to inform the design of a future multi-centered RCT.
The earliest of: 1. Recruitment of the planned 50 participants, or 2. 24 months following initiation of recruitment
Clinical outcomes
Time Frame: The earliest of: 1. Recruitment of the planned 50 participants, or 2. 24 months following initiation of recruitment

We will assess our ability to collect clinical outcome data of interest to determine the most appropriate outcomes, perform a sample size calculation, and inform the design of a definitive multi-centered RCT. Clinical outcomes include:

i) PICU admission rate, PICU Length of Stay, Ventilator Free Days, Acuity Scores (PRISM III), Organ Dysfunction scores (PELOD, PELOD 2), Vasoactive Medication Score, Mortality (28-day, 60-day, and 90-day), Hospital Mortality

ii) Adverse Events- complications which may be attributable to third spacing of fluid, or inotrope/vasopressor use, including: Intrabdominal Hypertension, Abdominal Compartment Syndrome, Pulmonary Edema, Pleural Effusion requiring drainage, Signs of Digital Ischemia, Digital/Limb Revision amputation, Bowel Ischemia

iii) Short term hemodynamic outcomes- time to shock reversal determined by freedom from vasoactive medication(s), bedside hemodynamic measurements (HR, MAP, CVP, and non-invasive CO (CI) measurement (USCOM)
The earliest of: 1. Recruitment of the planned 50 participants, or 2. 24 months following initiation of recruitment
Process Feasibility
Time Frame: The earliest of: 1. Recruitment of the planned 50 participants, or 2. 24 months following initiation of recruitment
We will collect descriptive data related to study Process feasibility to inform conduct of a multi-centred RCT
The earliest of: 1. Recruitment of the planned 50 participants, or 2. 24 months following initiation of recruitment
Resource Feasibility
Time Frame: The earliest of: 1. Recruitment of the planned 50 participants, or 2. 24 months following initiation of recruitment
We will collect descriptive data related to study Resource feasibility to inform conduct of a multi-centred RCT.
The earliest of: 1. Recruitment of the planned 50 participants, or 2. 24 months following initiation of recruitment
Management Feasibility
Time Frame: The earliest of: 1. Recruitment of the planned 50 participants, or 2. 24 months following initiation of recruitment
We will collect descriptive data related to study Management feasibility to inform conduct of a multi-centred RCT.
The earliest of: 1. Recruitment of the planned 50 participants, or 2. 24 months following initiation of recruitment

Other Outcome Measures

Other Outcome Measures

For clinical trials, a planned measurement described in the protocol that is used to determine the effect of an intervention/treatment on participants. For observational studies, a measurement or observation that is used to describe patterns of diseases or traits, or associations with exposures, risk factors, or treatment. Types of outcome measures include primary outcome measure and secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Daily Fluids
Time Frame: Over the Duration of the Intervention Period, Defined as from the time of Randomization (Time zero) until 24 hours after Shock is Reversed
We will record daily intake of fluids and blood products and fluid losses to characterize these and calculate daily fluid balance
Over the Duration of the Intervention Period, Defined as from the time of Randomization (Time zero) until 24 hours after Shock is Reversed
Fluids Received in the 24 hours prior to study entry
Time Frame: 24 hour period immediately prior to randomization (time zero)
We will record the intake of fluids and blood products in the 24 hours immediately prior to randomization to characterize these
24 hour period immediately prior to randomization (time zero)
Positive Culture results from specimens obtained during the Intervention Period
Time Frame: Over the Duration of the Intervention Period, Defined as from the time of Randomization (Time zero) until 24 hours after Shock is Reversed
We will record daily positive culture results from specimens obtained during the intervention period
Over the Duration of the Intervention Period, Defined as from the time of Randomization (Time zero) until 24 hours after Shock is Reversed
Positive Culture Results from specimens obtained in the 24 hours immediately prior to study entry
Time Frame: The 24 hour period immediately prior to Randomization (Time zero)
We will record positive culture results from specimens obtained in the 24 hours immediately prior to Randomization (Time zero)
The 24 hour period immediately prior to Randomization (Time zero)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
McMaster Children's Hospital

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
McMaster University
Hamilton Health Sciences Corporation
Canadian Critical Care Trials Group

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Melissa J Parker, MD, MSc, McMaster University and McMaster Children's Hospital

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
January 1, 2014

Primary Completion (ACTUAL)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
June 1, 2016

Study Completion (ACTUAL)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
June 1, 2016

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
October 27, 2013

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 31, 2013

First Posted (ESTIMATE)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
November 1, 2013

Study Record Updates

Last Update Posted (ESTIMATE)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
August 18, 2016

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 16, 2016

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
August 1, 2016

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 13-295

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Plan Description

The final trial data set will be made publicly available.

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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