NCT07508774

Brief Summary

Background: Survival after out-of-hospital cardiac arrest (OHCA) depends heavily on early defibrillation. Reducing the time from cardiac arrest to defibrillation is a key factor in improving survival. In recent years, many countries have promoted early defibrillation through public automated external defibrillator (AED) networks. However, in practice, public access to and use of AEDs remain limited because of insufficient accessibility, uneven distribution, difficulties in locating devices, and delays in retrieval. With the development of drone technology, rapid drone-based AED delivery has been considered a potentially promising solution. Drones may bypass ground traffic congestion and reach the scene more quickly via aerial routes, allowing bystanders to use an AED under remote guidance. Although simulation studies, system optimization studies, and preliminary real-world applications of drone-delivered AEDs have been reported in other countries, this field remains exploratory in China. At present, most Chinese cities still rely mainly on conventional ambulance dispatch systems and fixed AED networks, both of which may be limited by urban traffic congestion, high population density, and uneven spatial distribution of AEDs. Objective: This prospective quasi-real-world simulation study in Wuhu, Anhui Province, China, aims to compare the time efficiency of a drone-based AED delivery pathway with that of a standard ground ambulance response pathway in simulated OHCA scenarios. The study will also evaluate the effects of geographic setting, traffic period, and different aerial delivery modes on delivery performance, in order to provide preliminary evidence for the deployment of drone-assisted emergency response networks in Chinese cities. Methods: This is an open-label, non-randomized, exploratory pilot feasibility study. The drone launch site will be located at a designated takeoff and landing area near the Emergency Department building of the Second Affiliated Hospital of Wannan Medical College. Simulated task endpoints will be selected within a 30-km one-way mission radius from the launch site. The study includes three sub-studies: (1) comparison of response efficiency between the drone pathway and the ground ambulance pathway in urban versus suburban locations; (2) comparison of response efficiency between the drone pathway and the ground ambulance pathway during peak versus off-peak traffic periods; and (3) comparison of operational time and success rate among three drone AED delivery modes, including winch lowering, low-altitude compartment retrieval, and direct landing. A total of 24 healthy volunteers will participate in the simulation tasks, and 1 to 3 professional drone operators will conduct flight operations. For each simulated task, a unified start command will be issued by the study coordinator, and the volunteer will receive the AED and complete electrode pad placement on the manikin. Primary Outcome: The primary outcome is the time from the unified simulated task start to completion of AED pad placement on the manikin chest.

Trial Health

63
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
24

participants targeted

Target at below P25 for not_applicable

Timeline
6mo left

Started Apr 2026

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress21%
Apr 2026Dec 2026

First Submitted

Initial submission to the registry

March 13, 2026

Completed
19 days until next milestone

Study Start

First participant enrolled

April 1, 2026

Completed
1 day until next milestone

First Posted

Study publicly available on registry

April 2, 2026

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

October 1, 2026

Expected
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2026

Last Updated

April 2, 2026

Status Verified

March 1, 2026

Enrollment Period

6 months

First QC Date

March 13, 2026

Last Update Submit

March 30, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Time From Unified Simulated Task Start to AED Pad Placement on the Manikin Chest

    Defined as the elapsed time from issuance of the unified simulated task start command by the study coordinator to completion of standard placement of both AED pads on the manikin chest. Time points will be recorded by the lead timekeeper using a standardized timing tool.

    Up to 30 minutes

Secondary Outcomes (8)

  • Difference in Call-to-Pad-Placement Time Between Urban and Suburban Settings

    Up to 30 minutes

  • Difference in Call-to-Pad-Placement Time Between Peak and Off-Peak Traffic Periods

    Up to 30 minutes

  • Successful AED Delivery Rate by Drone Delivery Mode

    Up to 30 minutes

  • AED Retrieval Time by Drone Delivery Mode

    Up to 10 minutes

  • Stage-Specific Time Measures in the Drone Pathway

    Up to 30 minutes

  • +3 more secondary outcomes

Study Arms (2)

Drone-Based AED Delivery Pathway

EXPERIMENTAL

A simulated emergency response pathway in which a drone carries and delivers an AED training device from a designated launch site to a simulated OHCA location. Depending on the sub-study, delivery may be performed by winch lowering, low-altitude compartment retrieval, or direct landing.

Device: Drone-Based AED Delivery System

Standard Ground Ambulance Response Pathway Simulation

ACTIVE COMPARATOR

A simulated emergency response pathway modeled on the local standard prehospital ambulance workflow. After receiving the unified simulated task start command, a standard ambulance with a fixed crew travels along a predetermined route to the simulated endpoint, and the on-site volunteer retrieves the AED training device from the ambulance and completes electrode pad placement on the manikin.

Other: Standard Ground Ambulance Response Pathway Simulation

Interventions

The drone platform is a DJI M400 operating along pre-specified flight routes and carrying a lightweight AED training device. The AED device used in this study is a Mindray BeneHeart series AED trainer, which is a simulation device rather than a live AED. Depending on the sub-study, one of three delivery modes will be used: winch lowering, low-altitude compartment retrieval, or direct landing. The mission will primarily be executed automatically based on preset flight routes, while the drone operator will monitor the mission and take over when necessary for safety or contingency management.

Drone-Based AED Delivery Pathway

The control pathway will be simulated using a standard ambulance, a fixed ambulance crew, and a predefined operational workflow modeled on the local standard prehospital emergency response process.

Standard Ground Ambulance Response Pathway Simulation

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age 18 to 65 years
  • Able to understand the study purpose and simulation procedures and provide informed consent
  • Able to communicate adequately and cooperate with outdoor simulation tasks
  • Able to walk independently and perform basic upper-limb operations
  • Able to complete standardized training and pass a basic AED simulation skills assessment before participation

You may not qualify if:

  • History of severe cardiovascular, respiratory, or neurological disease that, in the investigator's judgment, makes participation in outdoor simulation tasks unsuitable
  • Significant musculoskeletal disease or injury affecting mobility, object retrieval, or pad placement
  • Significant visual, auditory, or cognitive impairment that may interfere with task performance
  • Marked fear of, discomfort with, or unwillingness to participate in low-altitude drone-related activities
  • Any other condition judged by the investigator to make participation inappropriate

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The Second Affiliated Hospital of Wannan Medical College

Wuhu, Anhui, China

Location

MeSH Terms

Conditions

Out-of-Hospital Cardiac Arrest

Condition Hierarchy (Ancestors)

Heart ArrestHeart DiseasesCardiovascular Diseases

Study Officials

  • Sheng Ye

    The Second Affiliated Hospital of Wannan Medical College

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Yanguoer Zhang

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
HEALTH SERVICES RESEARCH
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Chief Physician, Associate Professor & Director of Emergency Medicine Department, Second Affiliated Hospital of Wannan Medical College

Study Record Dates

First Submitted

March 13, 2026

First Posted

April 2, 2026

Study Start

April 1, 2026

Primary Completion (Estimated)

October 1, 2026

Study Completion (Estimated)

December 1, 2026

Last Updated

April 2, 2026

Record last verified: 2026-03

Data Sharing

IPD Sharing
Will not share

Locations