CI

At a glance

ClinicalIndex Comparison Record
N/AActive· 2,500,000 target
Drug / intervention
Treatment by ambulance or helicopter services with response timesprocedure
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT06666647
NCT06666647N/AActiveMonitorUpdated 6mo ago · Completion was 3mo ago
Slow Enrollment

Ambulance and Helicopter Response Times in Danish Emergency Medical Services: Protocol for an Epidemiological Study. The AHRTEMIS Study

Peter Martin Hansen·observational·Posted Oct 30, 2024·Updated Dec 30, 2025

In Brief

An observational study evaluating Treatment by ambulance or helicopter services with response times for Emergency Medical Services and 5 related conditions. Active but no longer recruiting, targeting 2,500,000 participants across 1 site.

Signals

Enrolling slower than its timeline implies

Detailed Summary

The overall aim of this retrospective observational study is to investigate the association of emergency medical services response time with patient survival and treatment outcomes. The main question it aims to answer is: What is the association between response time and patient survival? The investigators will collect data for all patients who were treated by ambulance and/or helicopter services in Denmark and follow the patient's path from illness or injury to discharge from hospital with a focus on the significance of ambulance and helicopter response time.

Study Details

Study Typeobservational
Allocation--
Masking--
Primary Purpose--
CountriesDenmark

Timeline

N/AActive
202520262027
First PostedOct 30, 2024
Enrollment StartMay 1, 2025
Primary CompletionMar 30, 2026
Study CompletionDec 31, 2026
TodayJul 2, 2026
Enrollment to primary: 11 monthsPosted 1.7 years ago

Interventions

Treatment by ambulance or helicopter services with response timesprocedure

Prehospital treatment by ambulance and/or helicopter services personnel of patients in acute conditions