Out of Hospital Cardiac Arrest (OHCA) Clinical Trials

10 recruitingLast updated: May 5, 2026

There are 9 actively recruiting out of hospital cardiac arrest (ohca) clinical trials across 7 countries. Studies span Not Applicable, Phase 2, Phase 3. Top locations include Amami, Kagoshima-ken, Japan, Asahikawa, Hokkaido, Japan, Bangkok Noi, Bangkok, Thailand. Updated daily from ClinicalTrials.gov.


Out of Hospital Cardiac Arrest (OHCA) Trials at a Glance

9 actively recruiting trials for out of hospital cardiac arrest (ohca) are listed on ClinicalTrialsFinder across 6 cities in 7 countries. The largest study group is Not Applicable with 4 trials, with the heaviest enrollment activity in Amami, Asahikawa, and Bangkok Noi. Lead sponsors running out of hospital cardiac arrest (ohca) studies include University Hospital, Ghent, Far Eastern Memorial Hospital, and Christian Hassager.

Browse out of hospital cardiac arrest (ohca) trials by phase

About Out of Hospital Cardiac Arrest (OHCA) Clinical Trials

Looking for clinical trials for Out of Hospital Cardiac Arrest (OHCA)? There are currently 10 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Out of Hospital Cardiac Arrest (OHCA) trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Out of Hospital Cardiac Arrest (OHCA) clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 19 of 9 trials

Recruiting
Phase 2Phase 3

Resuscitation Enhancement to Avoid Rearrest Through Evidence-based Strategies in Prehospital Post-resuscitation Care

Out of Hospital Cardiac Arrest (OHCA)
Siriraj Hospital318 enrolled1 locationNCT07239908
Recruiting

Measurement of Airway Opening Index During Out-of-hospital Cardiac Arrest: The Lazarus AOI Trial.

Out of Hospital Cardiac Arrest (OHCA)Cardiac Arrest (CA)Resuscitated Sudden Cardiac Death
University Hospital, Ghent150 enrolled1 locationNCT07438938
Recruiting

The AIR-CPR Study: AI-Guided Chest Compressions

Out of Hospital Cardiac Arrest (OHCA)Cardiopulmonary resuscitation (CPR)Aortic Valve Compression+1 more
Far Eastern Memorial Hospital255 enrolled1 locationNCT07431710
Recruiting
Phase 3

The Application of Positive End-Expiratory Pressure in Out-of-Hospital Cardiac Arrest: The Lazarus-PEEP Trial.

Out of Hospital Cardiac Arrest (OHCA)Cardiac Arrest (CA)Positive End-expiratory Pressure (PEEP)+1 more
University Hospital, Ghent132 enrolled7 locationsNCT06939335
Recruiting
Not Applicable

Hypothermia Versus Normothermia After Extracorporeal Cardiopulmonary Resuscitation for Out-of-hospital Cardiac Arrest

Out of Hospital Cardiac Arrest (OHCA)TemperatureECMO Treatment+1 more
Kagawa University468 enrolled28 locationsNCT06776549
Recruiting
Not Applicable

NEUROprotection Via optimizINg Cerebral Blood Flow afTer cArdiaC arresT (NEURO-INTACT) Study

Out of Hospital Cardiac Arrest (OHCA)
National University Hospital, Singapore49 enrolled1 locationNCT05679739
Recruiting
Not Applicable

Mean Arterial Pressure After Out-of-hospital Cardiac Arrest

Out of Hospital Cardiac Arrest (OHCA)Cardiac Arrest
Centre Hospitalier le Mans1,380 enrolled27 locationsNCT05486884
Recruiting
Not Applicable

Application of Transesophageal Echocardiography in Pre-hospital Cardiac Arrest Patients

Out of Hospital Cardiac Arrest (OHCA)
Jen-Tang Sun60 enrolled1 locationNCT06672315
Recruiting
Phase 2

Ketamine Sedation As Neuroprotective Agent Following Out-of-hospital Cardiac Arrest

Out of Hospital Cardiac Arrest (OHCA)
Christian Hassager282 enrolled2 locationsNCT06744361