Cardiac Arrest (CA)PROGNOSENCT06938009
Dutch Registry of Pediatric Cardiac Arrest
An observational study of Cardiac Arrest (CA) and Pediatric ALL, run by Matthijs de Hoog at 7 sites in Netherlands.
Trial summary
The goal of this observational study is to understand the long-term outcomes of children in the Netherlands who experience cardiac arrest, either in or outside of the hospital. The main questions it aims to answer are: What are the survival rates and neurological outcomes in children after cardiac arrest? What types… Read more about this study
- Who is it for?
- Ages 24 hours to 18 years
- Conditions the study is for
- Cardiac Arrest (CA), Pediatric ALL
- How many people
- 500 participants
- Where
- 7 sitesNetherlands
- Study dates
- 14 Jun 2023to Jan 2030
- How long will I take part?
- 12 Years
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 24 hours to 18 years
- All sexes
- No healthy volunteers
- Child, Adult
Study population: Pediatric patients under 18 years of age who experienced a cardiac arrest, either in-hospital or out-of-hospital, in the Netherlands. Eligible patients must have received chest compressions for at least one minute and been treated by emergency medical services or admitted to one of seven participating Dutch academic pediatric hospitals. Neonates under 24 hours old and NICU arrests are excluded.
Who may be able to join
- Pediatric patients under the age of 18
- Experienced in-hospital or out-of-hospital cardiac arrest in the Netherlands
- Attended by emergency medical services or admitted to one of the seven participating Dutch academic pediatric hospitals
- Cardiac arrest defined as absence of palpable pulse or need for chest compressions lasting ≥1 minute
- Arrest managed under European Resuscitation Council guidelines (BLS/APLS)
Who cannot join
- Cardiac arrest occurring in neonates younger than 24 hours of age
- Cardiac arrest occurring in a neonatal intensive care unit (NICU) setting
Trial locations and contacts
7 sites in 1 country. Contact the study team or a site near you to ask about taking part.
7 sites in 1 country
Netherlands7 sites, 7 recruiting
- Recruiting
Amsterdam UMC
Amsterdam, North Holland, 1105 AZ
Nikki Schoenmaker, 0031205669111, n.j.schoenmaker@amsterdamumc.nl
Gabry De Jong
- Recruiting
UMCG
Groningen, Provincie Groningen, 9713 GZ
Géanne Krabben - De Vlaam, 0031503616161, g.krabben-de.vlaam@umcg.nl
Gabry De Jong
- Recruiting
LUMC
Leiden, South Holland, 2333 ZG
Heleen Bunker - Wiersma, 0031715269111, h.e.bunker-wiersma@lumc.nl
Gabry De Jong
- Recruiting
MUMC
Maastricht, Limburg, 6229 ET
Nicole De la Haye, 0031433876543, nicole.dela.haye@mumc.nl
Gabry De Jong
- Recruiting
Radboud umc
Nijmegen, Gelderland, 6525 XZ
Annelies Van Zwol, 0031243611111, annelies.vanzwol@radboudumc.nl
Gabry De Jong
- Recruiting
Erasmus MC
Rotterdam, South Holland, 3015GD
Gabry De Jong, 0031107040704, gabry.dejong@erasmusmc.nl
Marijn Albrecht, 0031107040704, m.albrecht@erasmusmc.nl
- Recruiting
UMCU
Utrecht, Utrecht, 3584 CX
Jennifer Walker, 0031887555555, j.c.walker-3@umcutrecht.nl
Gabry De Jong
About this study
Official title: Pediatric Resuscitation Neuroprognostication and Outcomes Registry
The goal of this observational study is to understand the long-term outcomes of children in the Netherlands who experience cardiac arrest, either in or outside of the hospital. The main questions it aims to answer are:
What are the survival rates and neurological outcomes in children after cardiac arrest?
Read more
What types of emergency and post-resuscitation care are provided, and how do they impact long-term recovery?
How do children and their families function over time after the event?
Researchers will analyze data from routine medical records and follow patients through standard outpatient visits. No extra procedures will be required beyond normal care. For those who survive to hospital discharge, additional follow-up data will be collected with consent.
Participants will:
Be children under 18 years old who have had a cardiac arrest and were treated in one of the seven participating academic hospitals
Have their routine medical care data collected anonymously
Be invited (if surviving) for follow-up visits at 3, 12, and 24 months post-arrest and at specific ages (5, 8, 12, and 17 years) to assess physical and psychological recovery
Read the detailed description
The PROGNOSE study (Pediatric Resuscitation Neuroprognostication and Outcomes Registry) is a prospective, multicenter, observational patient registry established to improve understanding of short- and long-term outcomes following pediatric cardiac arrest (CA) in the Netherlands. The study focuses on both out-of-hospital (OHCA) and in-hospital cardiac arrest (IHCA) in children under 18 years of age.
Given the rarity yet severity of pediatric CA, the registry aims to collect a large dataset to identify patterns in care, outcomes, and recovery trajectories to ultimately improve treatment strategies and prognosis. The study is considered non-WMO (not subject to the Dutch Medical Research Involving Human Subjects Act), as it involves no additional interventions beyond standard clinical care.
Registry Objectives and Scope The primary objective is to evaluate diagnostic practices and long-term functional and neuropsychological outcomes in pediatric patients post-cardiac arrest. Key secondary objectives include determining the incidence and etiology of pediatric CA in the Netherlands, analyzing survival to discharge, and characterizing post-Return of Circulation (ROC) care.
Data will be collected longitudinally during standard outpatient follow-up visits at specified intervals (3, 12, and 24 months post-arrest; and at the ages of 5, 8, 12, and 17 years, depending on the age at CA event). No study-specific interventions will be performed.
Data Collection and Source Verification
All data collected in this registry will be sourced from routine clinical care and medical records from seven Dutch academic (pediatric) hospitals. Data will be abstracted from:
Emergency services records
Inpatient hospital and ICU documentation
Follow-up outpatient clinic assessments
Neuropsychological and functional evaluations using validated tools (e.g., PCPC, POPC, FSS)
The data will be pseudo-anonymized using unique study IDs. Only site-specific investigators will have access to the link between study ID and patient identity.
Quality Assurance and Monitoring
A robust quality assurance framework has been put in place to ensure data integrity, including:
Data validation procedures: Data entries will be checked against predefined rules for logic, consistency, and range validation in the electronic data capture (EDC) system (Castor EDC).
Source data verification (SDV): Periodic audits by local site PIs will compare registry entries against source data (e.g., EHRs) for completeness and accuracy.
Site monitoring: The coordinating center (Erasmus MC) will provide oversight and perform routine cross-site reviews to ensure harmonized data collection.
Data dictionary: A detailed data dictionary defines all collected variables, including their source, coding schemes (e.g., ICD, MedDRA where applicable), and interpretation ranges.
Standard Operating Procedures (SOPs)
Standard operating procedures have been established to guide the entire registry lifecycle, including:
Site initiation and training
Patient screening and enrollment processes
Data entry and validation procedures
Procedures for obtaining (delayed) informed consent at follow-up
Change management and version control of registry forms
Procedures for data sharing and publication
Statistical Analysis Plan Given its quality improvement nature, no formal sample size calculation was performed. Instead, the registry aims to enroll all eligible pediatric CA cases nationwide, allowing the creation of a comprehensive, hypothesis-generating dataset.
Descriptive statistics will summarize demographics, event characteristics, interventions, and outcomes.
Longitudinal analysis of neuropsychological function and functional status will be performed using repeated-measures ANOVA or mixed-effects modeling.
Comparative statistics (e.g., logistic regression) will be used to identify predictors of survival and favorable neurological outcome. Covariates will be selected based on literature and tested for collinearity. Multivariate models will report odds ratios with 95% confidence intervals.
Missing data will be addressed using appropriate imputation techniques, depending on the mechanism of missingness (e.g., multiple imputation for random missing data).
Plan for Missing Data
To manage incomplete records and potential attrition in follow-up:
All missing values will be coded according to reason (e.g., not applicable, patient deceased, declined follow-up).
Patterns of missingness will be explored. If data are missing at random, multiple imputation may be used in analysis.
Data collection tools prompt required fields and flag missing values to reduce omissions during entry.
Informed Consent and Ethics Due to the emergent nature of CA and the high mortality rate, an exception from consent procedure is employed for initial data collection. For survivors, informed consent is sought at follow-up outpatient visits, as part of standard care. Data are de-identified and used solely for research purposes. No images or human materials are collected.
The study complies with the General Data Protection Regulation (GDPR), the Dutch "Code Goed Gedrag," and the Declaration of Helsinki.
Data Storage and Access Pseudo-anonymized data are stored securely in Castor EDC, managed by Erasmus MC.
Each center has access only to its own data.
A Data Transfer Agreement (DTA) governs anonymized data sharing for multicenter publications.
Data will not be shared outside the EU.
No end date is set for the registry; it will remain open for ongoing data entry and hypothesis generation.
Dissemination Plan Findings from the registry will be disseminated through peer-reviewed publications, with a goal of generating multicenter analyses and contributing to national and international guideline development. A first multicenter manuscript is expected within approximately five years from the start of the registry.
- Conditions
- Cardiac Arrest (CA), Pediatric ALL
- Keywords
- Pediatric cardiac arrest, Neuroprognostication, Long-term outcomes, Observational registry
- Medical subject headings
- Heart Arrest, Precursor Cell Lymphoblastic Leukemia-Lymphoma
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| Pediatric cardiac arrest patient | The study cohort consists of pediatric patients under the age of 18 who have experienced a cardiac arrest-either in-hospital (IHCA) or out-of-hospital (OHCA)-in the Netherlands. Eligible patients must have received care from emergency medical services (EMS) or been admitted to one of the seven participating academic pediatric hospitals following the arrest. Cardiac arrest is defined as the absence of a palpable pulse or the need for chest compressions lasting at least one minute, in line with European Resuscitation Council guidelines. Both basic life support (BLS) and advanced pediatric life support (APLS) protocols apply. |
What is being measured
The primary outcome is the main question the study is designed to answer.
Long-term Neurological Outcome (PCPC)
Neurological outcome will be assessed using the Pediatric Cerebral Performance Category (PCPC) scale, a validated functional outcome measure ranging from 1 to 6. A score of 1 indicates normal age-appropriate cerebral performance, while higher scores reflect increasing levels of neurological impairment: mild (2), moderate (3), severe (4), coma or vegetative state (5), and death (6). Lower scores indicate better neurological function. The highest available follow-up score will be used as the primary neurological outcome measure.
Measured: At 3, 12, and 24 months post-cardiac arrest; and at ages 8, 12, and 17 years, depending on age at event
Long-term Neurological Outcome (POPC)
Overall functional outcome will be assessed using the Pediatric Overall Performance Category (POPC) scale, a validated tool measuring global functional status in children following critical illness or injury. Scores range from 1 (normal) to 6 (death), with higher scores indicating greater overall disability. POPC complements the PCPC by evaluating broader aspects of daily functioning.
Measured: At 3, 12, and 24 months post-cardiac arrest; and at ages 8, 12, and 17 years, depending on age at event
Long-term Neurological Outcome (FSS)
Functional outcome will also be measured using the Functional Status Scale (FSS), a detailed, domain-specific assessment covering six areas: mental status, sensory, communication, motor function, feeding, and respiratory status. Each domain is scored from 1 (normal) to 5 (very severe dysfunction), with a total score ranging from 6 to 30. Lower total scores indicate better overall function.
Measured: At 3, 12, and 24 months post-cardiac arrest; and at ages 8, 12, and 17 years, depending on age at event
Neuropsychological Functioning in Pediatric Survivors (composite IQ)
Neuropsychological outcomes will be assessed using standardized, age-appropriate cognitive and behavioral tests administered during follow-up. The assessment includes:
Wechsler Intelligence Scale for Children (WISC-V) or Bayley Scales of Infant Development (Bayley-III) depending on age: Composite IQ or developmental index (range varies by age, mean = 100, SD = 15).
Unit of Measure:
Standardized test scores (mean ± SD) and proportion of patients with clinically significant impairment (%)
Measured: At 12 and 24 months after cardiac arrest
Neuropsychological Functioning in Pediatric Survivors (BRIEF-2 or BRIEF-P)
Neuropsychological outcomes will be assessed using standardized, age-appropriate cognitive and behavioral tests administered during follow-up. The assessment includes:
Behavior Rating Inventory of Executive Function (BRIEF-2 or BRIEF-P): T-scores, where higher scores indicate more executive dysfunction (mean = 50, SD = 10).
Unit of Measure:
Standardized test scores (mean ± SD) and proportion of patients with clinically significant impairment (%)
Measured: At 12 and 24 months after cardiac arrest
Neuropsychological Functioning in Pediatric Survivors (CBCL)
Neuropsychological outcomes will be assessed using standardized, age-appropriate cognitive and behavioral tests administered during follow-up. The assessment includes:
Child Behavior Checklist (CBCL): Total problem score, higher scores indicate more behavioral/emotional problems (T-score, mean = 50, SD = 10).
Unit of Measure:
Standardized test scores (mean ± SD) and proportion of patients with clinically significant impairment (%)
Measured: At 12 and 24 months after cardiac arrest
Neuropsychological Functioning in Pediatric Survivors (PedsQL)
Neuropsychological outcomes will be assessed using standardized, age-appropriate cognitive and behavioral tests administered during follow-up. The assessment includes:
Pediatric Quality of Life Inventory (PedsQL): Total score from 0 to 100; higher scores reflect better quality of life.
Unit of Measure:
Standardized test scores (mean ± SD) and proportion of patients with clinically significant impairment (%)
Measured: At 12 and 24 months after cardiac arrest
Secondary outcomes (11)
Incidence and Cause of Cardiac Arrest
Differentiated by IHCA and OHCA
First documented rhythm and suspected etiology
Measured: At the time of in-hospital or out-of-hospital cardiac arrest, during initial hospital evaluation
Pre-hospital Interventions Performed (Composite)
This is a composite outcome measure indicating whether any of the following pre-hospital interventions were performed during the cardiac arrest event:
Bystander-performed basic life support (BLS)
Use of an automated external defibrillator (AED)
Initiation of extracorporeal cardiopulmonary resuscitation (ECPR)
The presence of any one or more of these interventions will qualify as a positive occurrence for the composite measure.
Unit of Measure:
Proportion of patients (%) who received at least one of the listed interventions.
Presentation:
All components of the composite measure will be presented together in a single summary table.
Measured: At time of cardiac arrest event, as documented during emergency response and initial hospital admission
Duration of Cardiopulmonary Resuscitation (CPR)
The total duration, in minutes, of cardiopulmonary resuscitation performed during the cardiac arrest event. This includes both basic and advanced life support provided by bystanders and emergency medical services prior to return of spontaneous circulation or termination of resuscitation efforts.Unit of Measure:
Minutes
Measured: At the time of the cardiac arrest event, as documented during emergency medical response and initial hospital admission.
Return of Circulation (ROC)
Whether return of spontaneous circulation was achieved following cardiac arrest, as documented by clinical and physiological parameters. Unit of Measure: Proportion of patients (%)
Measured: Time Frame: During initial hospital admission following cardiac arrest
Survival to Hospital Discharge
Whether the patient survived until discharge from the initial hospital admission following cardiac arrest. Unit of Measure: Proportion of patients (%)
Measured: Time Frame: During initial hospital admission following cardiac arrest
In-Hospital Mortality
Death during initial hospital admission following cardiac arrest. If applicable and available, the presumed or documented cause of death will also be recorded. Unit of Measure: Proportion of patients (%)
Measured: During initial hospital admission following cardiac arrest
Brain Magnetic Resonance Imaging (MRI) Findings
Brain MRI will be assessed within 7 days after cardiac arrest to evaluate the presence and extent of hypoxic-ischemic brain injury. Findings will be categorized as no injury, focal injury, or extensive injury based on predefined scoring of cortex/white matter and deep gray matter involvement. Unit of measure: Proportion of patients (%) with each MRI injury category (no injury, focal, or extensive injury).
Measured: During initial hospital admission following cardiac arrest. Within 7 days after cardiac arrest.
Electroencephalography (EEG) Background Assessment
EEG recordings obtained 24 hours after cardiac arrest will be assessed both quantitatively and visually. Quantitative EEG (qEEG) features-such as amplitude and continuity-will be extracted and used to predict 12-month survival. Visual classification will follow standardized critical care EEG terminology, categorizing background as continuous with normal amplitude or other patterns. Unit of measure: Proportion of patients (%) per EEG background category (e.g., continuous ≥20 μV, burst suppression, isoelectric)
Measured: At 24 hours after return of circulation following cardiac arrest.
Blood Biomarker Analysis
Blood biomarkers associated with neurological injury and outcome will be measured during the early post-resuscitation phase. Examples may include neuron-specific enolase (NSE), S100 calcium-binding protein B (S100B), and other relevant markers. Values will be used to support neuroprognostication and correlated with long-term outcome. Unit of Measure: Concentration (e.g., ng/mL) and proportion of patients with elevated levels (%)
Measured: Within the first 72 hours after cardiac arrest
Family/Caregiver Outcomes PedsQL-FIM
Parent and family well-being will be assessed using validated questionnaires at multiple time points during follow-up. Instruments include:
Pediatric Quality of Life Family Impact Module (PedsQL-FIM): Total score ranges from 0 to 100; higher scores indicate better functioning.
Unit of Measure:
Mean score per questionnaire (with standard deviation) and proportion of parents with clinically relevant distress (%)
Measured: At 3, 12, and 24 months after the cardiac arrest event
Family/Caregiver Outcomes HADS
Parent and family well-being will be assessed using validated questionnaires at multiple time points during follow-up. Instruments include:
Hospital Anxiety and Depression Scale (HADS): Subscale scores for anxiety and depression each range from 0 to 21; higher scores indicate greater symptom burden.
Unit of Measure:
Mean score per questionnaire (with standard deviation) and proportion of parents with clinically relevant distress (%)
Measured: At 3, 12, and 24 months after the cardiac arrest event
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted22 Apr 2025
- Study start14 Jun 2023
- Primary completionJan 2030 (estimated)
- Study completionJan 2030 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for Cardiac Arrest (CA)Studies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 500 participants (estimated)
- Target duration
- 12 Years
Sponsor and investigators
- Lead sponsor
- Matthijs de Hoog
- Sponsor type
- University, hospital or other
- Collaborators
- Amsterdam UMC, Radboud University Medical Center, University Medical Center Groningen, Maastricht University Medical Center, UMC Utrecht, Zoll Medical Corporation, Stichting Vermeer14, Leiden University Medical Center
- Responsible party
- Sponsor-investigator, Matthijs de Hoog, Erasmus Medical Center
- Investigators
- Corinne Buysse, MD PhD, Principal investigator, Erasmus Medical Center
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06938009
- Sponsor's protocol ID
- MEC-2023-0133
- Acronym
- PROGNOSE
- Status last verified
- Apr 2025
- First submitted
- 7 Apr 2025
- Last updated
- 22 Apr 2025
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes: Individual participant data (IPD) that underlie results reported in publications from the PROGNOSE registry will be shared. This includes de-identified clinical data and outcome measures, along with the data dictionary and statistical analysis plan. IPD will be shared to support transparency and enable reproducibility of analyses described in the protocol paper.
Publications
Albrecht M, Hunfeld M, Arkesteijn-Muit A, Dulfer K, de Hoog M, de Jong G, de Jonge R, Lamore A, Nadkarni V, Buysse C; PROGNOSE Group Collaborative Investigators. A Dutch nationwide pediatric cardiac arrest registry with long-term follow-up - towards an international prognostication guideline. Resusc Plus. 2025 May 9;24:100976. doi: 10.1016/j.resplu.2025.100976. eCollection 2025 Jul.
PubMed 40491775
Study at a glance
From the registry record, last updated by the sponsor on 22 Apr 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Pediatric Resuscitation Neuroprognostication and Outcomes Registry
- ClinicalTrials.gov ID
- NCT06938009
- Acronym / sponsor ID
- PROGNOSE / MEC-2023-0133
- Conditions
- Cardiac Arrest (CA), Pediatric ALL
- Keywords
- Pediatric cardiac arrest, Neuroprognostication, Long-term outcomes, Observational registry
- Study type
- Observational
- Recruitment status
- Recruiting
- Enrolment
- 500 participants (estimated)
- Lead sponsor
- Matthijs de HoogUniversity, hospital or other
- Collaborators
- Amsterdam UMC, Radboud University Medical Center, University Medical Center Groningen, Maastricht University Medical Center, UMC Utrecht, Zoll Medical Corporation, Stichting Vermeer14, Leiden University Medical Center
- Study start
- 14 Jun 2023 (actual)
- Primary completion
- Jan 2030 (estimated)
- Study completion
- Jan 2030 (estimated)
- First posted
- 22 Apr 2025 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The goal of this observational study is to understand the long-term outcomes of children in the Netherlands who experience cardiac arrest, either in or outside of the hospital. The main questions it aims to answer are:
What are the survival rates and neurological outcomes in children after cardiac arrest?
What types of emergency and post-resuscitation care are provided, and how do they impact long-term recovery?
How do children and their families function over time after the event?
Researchers will analyze data from routine medical records and follow patients through standard outpatient visits. No extra procedures will be required beyond normal care. For those who survive to hospital discharge, additional follow-up data will be collected with consent.
Participants will:
Be children under 18 years old who have had a cardiac arrest and were treated in one of the seven participating academic hospitals
Have their routine medical care data collected anonymously
Be invited (if surviving) for follow-up visits at 3, 12, and 24 months post-arrest and at specific ages (5, 8, 12, and 17 years) to assess physical and psychological recovery
Detailed description
The PROGNOSE study (Pediatric Resuscitation Neuroprognostication and Outcomes Registry) is a prospective, multicenter, observational patient registry established to improve understanding of short- and long-term outcomes following pediatric cardiac arrest (CA) in the Netherlands. The study focuses on both out-of-hospital (OHCA) and in-hospital cardiac arrest (IHCA) in children under 18 years of age.
Given the rarity yet severity of pediatric CA, the registry aims to collect a large dataset to identify patterns in care, outcomes, and recovery trajectories to ultimately improve treatment strategies and prognosis. The study is considered non-WMO (not subject to the Dutch Medical Research Involving Human Subjects Act), as it involves no additional interventions beyond standard clinical care.
Registry Objectives and Scope The primary objective is to evaluate diagnostic practices and long-term functional and neuropsychological outcomes in pediatric patients post-cardiac arrest. Key secondary objectives include determining the incidence and etiology of pediatric CA in the Netherlands, analyzing survival to discharge, and characterizing post-Return of Circulation (ROC) care.
Data will be collected longitudinally during standard outpatient follow-up visits at specified intervals (3, 12, and 24 months post-arrest; and at the ages of 5, 8, 12, and 17 years, depending on the age at CA event). No study-specific interventions will be performed.
Data Collection and Source Verification
All data collected in this registry will be sourced from routine clinical care and medical records from seven Dutch academic (pediatric) hospitals. Data will be abstracted from:
Emergency services records
Inpatient hospital and ICU documentation
Follow-up outpatient clinic assessments
Neuropsychological and functional evaluations using validated tools (e.g., PCPC, POPC, FSS)
The data will be pseudo-anonymized using unique study IDs. Only site-specific investigators will have access to the link between study ID and patient identity.
Quality Assurance and Monitoring
A robust quality assurance framework has been put in place to ensure data integrity, including:
Data validation procedures: Data entries will be checked against predefined rules for logic, consistency, and range validation in the electronic data capture (EDC) system (Castor EDC).
Source data verification (SDV): Periodic audits by local site PIs will compare registry entries against source data (e.g., EHRs) for completeness and accuracy.
Site monitoring: The coordinating center (Erasmus MC) will provide oversight and perform routine cross-site reviews to ensure harmonized data collection.
Data dictionary: A detailed data dictionary defines all collected variables, including their source, coding schemes (e.g., ICD, MedDRA where applicable), and interpretation ranges.
Standard Operating Procedures (SOPs)
Standard operating procedures have been established to guide the entire registry lifecycle, including:
Site initiation and training
Patient screening and enrollment processes
Data entry and validation procedures
Procedures for obtaining (delayed) informed consent at follow-up
Change management and version control of registry forms
Procedures for data sharing and publication
Statistical Analysis Plan Given its quality improvement nature, no formal sample size calculation was performed. Instead, the registry aims to enroll all eligible pediatric CA cases nationwide, allowing the creation of a comprehensive, hypothesis-generating dataset.
Descriptive statistics will summarize demographics, event characteristics, interventions, and outcomes.
Longitudinal analysis of neuropsychological function and functional status will be performed using repeated-measures ANOVA or mixed-effects modeling.
Comparative statistics (e.g., logistic regression) will be used to identify predictors of survival and favorable neurological outcome. Covariates will be selected based on literature and tested for collinearity. Multivariate models will report odds ratios with 95% confidence intervals.
Missing data will be addressed using appropriate imputation techniques, depending on the mechanism of missingness (e.g., multiple imputation for random missing data).
Plan for Missing Data
To manage incomplete records and potential attrition in follow-up:
All missing values will be coded according to reason (e.g., not applicable, patient deceased, declined follow-up).
Patterns of missingness will be explored. If data are missing at random, multiple imputation may be used in analysis.
Data collection tools prompt required fields and flag missing values to reduce omissions during entry.
Informed Consent and Ethics Due to the emergent nature of CA and the high mortality rate, an exception from consent procedure is employed for initial data collection. For survivors, informed consent is sought at follow-up outpatient visits, as part of standard care. Data are de-identified and used solely for research purposes. No images or human materials are collected.
The study complies with the General Data Protection Regulation (GDPR), the Dutch "Code Goed Gedrag," and the Declaration of Helsinki.
Data Storage and Access Pseudo-anonymized data are stored securely in Castor EDC, managed by Erasmus MC.
Each center has access only to its own data.
A Data Transfer Agreement (DTA) governs anonymized data sharing for multicenter publications.
Data will not be shared outside the EU.
No end date is set for the registry; it will remain open for ongoing data entry and hypothesis generation.
Dissemination Plan Findings from the registry will be disseminated through peer-reviewed publications, with a goal of generating multicenter analyses and contributing to national and international guideline development. A first multicenter manuscript is expected within approximately five years from the start of the registry.
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
- Target follow-up
- 12 Years
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Pediatric cardiac arrest patient | – | –The study cohort consists of pediatric patients under the age of 18 who have experienced a cardiac arrest-either in-hospital (IHCA) or out-of-hospital (OHCA)-in the Netherlands. Eligible patients must have received care from emergency medical services (EMS) or been admitted to one of the seven participating academic pediatric hospitals following the arrest. Cardiac arrest is defined as the absence of a palpable pulse or the need for chest compressions lasting at least one minute, in line with European Resuscitation Council guidelines. Both basic life support (BLS) and advanced pediatric life support (APLS) protocols apply. |
Who may qualify
- Ages
- 24 hours to 18 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult
- Study population
- Pediatric patients under 18 years of age who experienced a cardiac arrest, either in-hospital or out-of-hospital, in the Netherlands. Eligible patients must have received chest compressions for at least one minute and been treated by emergency medical services or admitted to one of seven participating Dutch academic pediatric hospitals. Neonates under 24 hours old and NICU arrests are excluded.
Key inclusion criteria (5 listed)
- Pediatric patients under the age of 18
- Experienced in-hospital or out-of-hospital cardiac arrest in the Netherlands
- Attended by emergency medical services or admitted to one of the seven participating Dutch academic pediatric hospitals
- Cardiac arrest defined as absence of palpable pulse or need for chest compressions lasting ≥1 minute
- Arrest managed under European Resuscitation Council guidelines (BLS/APLS)
Key exclusion criteria (2 listed)
- Cardiac arrest occurring in neonates younger than 24 hours of age
- Cardiac arrest occurring in a neonatal intensive care unit (NICU) setting
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Long-term Neurological Outcome (PCPC)
Time frame: At 3, 12, and 24 months post-cardiac arrest; and at ages 8, 12, and 17 years, depending on age at event
Neurological outcome will be assessed using the Pediatric Cerebral Performance Category (PCPC) scale, a validated functional outcome measure ranging from 1 to 6. A score of 1 indicates normal age-appropriate cerebral performance, while higher scores reflect increasing levels of neurological impairment: mild (2), moderate (3), severe (4), coma or vegetative state (5), and death (6). Lower scores indicate better neurological function. The highest available follow-up score will be used as the primary neurological outcome measure.
Long-term Neurological Outcome (POPC)
Time frame: At 3, 12, and 24 months post-cardiac arrest; and at ages 8, 12, and 17 years, depending on age at event
Overall functional outcome will be assessed using the Pediatric Overall Performance Category (POPC) scale, a validated tool measuring global functional status in children following critical illness or injury. Scores range from 1 (normal) to 6 (death), with higher scores indicating greater overall disability. POPC complements the PCPC by evaluating broader aspects of daily functioning.
Long-term Neurological Outcome (FSS)
Time frame: At 3, 12, and 24 months post-cardiac arrest; and at ages 8, 12, and 17 years, depending on age at event
Functional outcome will also be measured using the Functional Status Scale (FSS), a detailed, domain-specific assessment covering six areas: mental status, sensory, communication, motor function, feeding, and respiratory status. Each domain is scored from 1 (normal) to 5 (very severe dysfunction), with a total score ranging from 6 to 30. Lower total scores indicate better overall function.
Neuropsychological Functioning in Pediatric Survivors (composite IQ)
Time frame: At 12 and 24 months after cardiac arrest
Neuropsychological outcomes will be assessed using standardized, age-appropriate cognitive and behavioral tests administered during follow-up. The assessment includes: Wechsler Intelligence Scale for Children (WISC-V) or Bayley Scales of Infant Development (Bayley-III) depending on age: Composite IQ or developmental index (range varies by age, mean = 100, SD = 15). Unit of Measure: Standardized test scores (mean ± SD) and proportion of patients with clinically significant impairment (%)
Neuropsychological Functioning in Pediatric Survivors (BRIEF-2 or BRIEF-P)
Time frame: At 12 and 24 months after cardiac arrest
Neuropsychological outcomes will be assessed using standardized, age-appropriate cognitive and behavioral tests administered during follow-up. The assessment includes: Behavior Rating Inventory of Executive Function (BRIEF-2 or BRIEF-P): T-scores, where higher scores indicate more executive dysfunction (mean = 50, SD = 10). Unit of Measure: Standardized test scores (mean ± SD) and proportion of patients with clinically significant impairment (%)
Neuropsychological Functioning in Pediatric Survivors (CBCL)
Time frame: At 12 and 24 months after cardiac arrest
Neuropsychological outcomes will be assessed using standardized, age-appropriate cognitive and behavioral tests administered during follow-up. The assessment includes: Child Behavior Checklist (CBCL): Total problem score, higher scores indicate more behavioral/emotional problems (T-score, mean = 50, SD = 10). Unit of Measure: Standardized test scores (mean ± SD) and proportion of patients with clinically significant impairment (%)
Neuropsychological Functioning in Pediatric Survivors (PedsQL)
Time frame: At 12 and 24 months after cardiac arrest
Neuropsychological outcomes will be assessed using standardized, age-appropriate cognitive and behavioral tests administered during follow-up. The assessment includes: Pediatric Quality of Life Inventory (PedsQL): Total score from 0 to 100; higher scores reflect better quality of life. Unit of Measure: Standardized test scores (mean ± SD) and proportion of patients with clinically significant impairment (%)
11 secondary outcomes
Incidence and Cause of Cardiac Arrest
Time frame: At the time of in-hospital or out-of-hospital cardiac arrest, during initial hospital evaluation
Pre-hospital Interventions Performed (Composite)
Time frame: At time of cardiac arrest event, as documented during emergency response and initial hospital admission
Duration of Cardiopulmonary Resuscitation (CPR)
Time frame: At the time of the cardiac arrest event, as documented during emergency medical response and initial hospital admission.
Return of Circulation (ROC)
Time frame: Time Frame: During initial hospital admission following cardiac arrest
Survival to Hospital Discharge
Time frame: Time Frame: During initial hospital admission following cardiac arrest
In-Hospital Mortality
Time frame: During initial hospital admission following cardiac arrest
Brain Magnetic Resonance Imaging (MRI) Findings
Time frame: During initial hospital admission following cardiac arrest. Within 7 days after cardiac arrest.
Electroencephalography (EEG) Background Assessment
Time frame: At 24 hours after return of circulation following cardiac arrest.
Blood Biomarker Analysis
Time frame: Within the first 72 hours after cardiac arrest
Family/Caregiver Outcomes PedsQL-FIM
Time frame: At 3, 12, and 24 months after the cardiac arrest event
Family/Caregiver Outcomes HADS
Time frame: At 3, 12, and 24 months after the cardiac arrest event
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 22 Apr 2025.
- Derived from this study: PubMed 40491775Albrecht M, Hunfeld M, Arkesteijn-Muit A, Dulfer K, de Hoog M, de Jong G, de Jonge R, Lamore A, Nadkarni V, Buysse C; PROGNOSE Group Collaborative Investigators. A Dutch nationwide pediatric cardiac arrest registry with long-term follow-up - towards an international prognostication guideline. Resusc Plus. 2025 May 9;24:100976. doi: 10.1016/j.resplu.2025.100976. eCollection 2025 Jul.
- Individual participant dataSharing planned: Yes. Individual participant data (IPD) that underlie results reported in publications from the PROGNOSE registry will be shared. This includes de-identified clinical data and outcome measures, along with the data dictionary and statistical analysis plan. IPD will be shared to support transparency and enable reproducibility of analyses described in the protocol paper.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
Corinne Buysse, MD PhD principal investigator
Erasmus Medical Center
7 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Cardiac Arrest (CA) and Pediatric ALL, run by Matthijs de Hoog at 7 sites in Netherlands.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 5 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 22 Apr 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 7 sites in Netherlands. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Gabry De Jong (0031107040704, gabry.dejong@erasmusmc.nl), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Long-term Neurological Outcome (PCPC) (time frame: At 3, 12, and 24 months post-cardiac arrest; and at ages 8, 12, and 17 years, depending on age at event). The study lists 7 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT06938009, which also lists 1 linked publication.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Apr 2025.