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CompletedNCT05812352SLAPSUpdated Dec 13, 2023

Supporting Laypeople Addressing Prehospital Hemorrhage Study

An interventional study of Audio kit and Instructional flashcard in Hemorrhage and Laceration, sponsored by University of Michigan. Completed at 1 site in United States. Open to participants aged 18 Years to 99 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2023-12-13.

Sponsored by University of Michigan · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
205
Allocation
Randomized
Ages
18 Years to 99 Years
Sex
All
01

Study summary

It is unknown if bystanders equipped with point-of-care (POC) instruction are as effective as bystanders with in-person training for bleeding control. Therefore, POC instructional interventions were developed during this study in response to the scalability challenges associated with in-person training to measure the comparative effectiveness and skill retention of POC instructions vs in-person training using a randomized clinical trial design.

Read the detailed description

Road traffic injuries (RTIs) are the largest contributor to the global trauma burden, which disproportionately affects low- and middle-income countries (LMICs). With a lack of robust emergency medical services (EMS), there has been increasing reliance on layperson bystanders to respond to RTIs in LMICs, called lay first responders (LFRs). In prospective studies of LFR activity across three sub-Saharan African countries comprising 2,039 total patient encounters, LFRs most frequently provided hemorrhage control in 61% of patient encounters. Rapid hemorrhage control for compressible extremity hemorrhage by bystander LFRs has the potential to mitigate exsanguination, reducing mortality secondary to RTIs. Rapid hemorrhage control also has applicability to high-income country settings like the United States that sustain high rates of penetrating trauma due to gun violence. Rapid hemorrhage control using tourniquets for compressible extremity hemorrhage in patients not yet in shock is strongly associated with saved lives demonstrated in battlefield studies, decreasing preventable deaths by more than 50%. Bystanders may be trained in-person or point-of-care (POC) instruction may be provided, as exists with automated external defibrillators. However, it is unknown if bystanders equipped with POC instruction are as effective as bystanders with in-person training for tourniquet application. Therefore, the investigators developed POC instructional interventions in response to the scalability challenges associated with in-person training to measure comparative effectiveness and skill retention using a randomized controlled trial design.

02

Conditions studied

  • Hemorrhage
  • Laceration
03

In context

Hemorrhage

3,000 studies on the registry are indexed under Hemorrhage; 474 are open to participants now.

This study's enrollment of 205 is above the median of 100 across 1,985 interventional studies indexed under Hemorrhage.

Browse Hemorrhage studies →

Lead sponsor

University of Michigan is the lead sponsor of 1,475 studies on the registry; 196 are open to participants now.

Of its 162 completed or terminated interventional studies of FDA-regulated products, 128 (79%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years to 99 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • Understand spoken and written English

Exclusion criteria

Exclusion Criteria:

  • None
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Factorial assignment
Masking
Single (Outcomes assessor)
Enrollment
205 participants (actual)

Study arms

  • Experimental
    Audio recording and instructional flashcard with tourniquet ("audio kit") - 6 month follow-up

    MP3 audio files for each of 6 steps and instructional flashcard with pictures corresponding to each of the 6 steps of tourniquet application, used for tourniquet application attempt. Participants repeat the tourniquet application attempt with the audio kit at 6 month follow-up

    Behavioral: Audio kit

  • Experimental
    Instructional flashcard with tourniquet - 6 month follow-up

    Instructional flashcard with pictures corresponding to each of the 6 steps of tourniquet application, used for tourniquet application attempt. Participants repeat the tourniquet application attempt with the instructional flashcard at 6 month follow-up

    Behavioral: Instructional flashcard

  • Experimental
    In-person training with tourniquet - 6 month follow-up

    Stop the Bleed bleeding control (B-Con) course is used for instruction for tourniquet application attempt. Participants repeat the tourniquet application attempt without any POC instruction or re-training at 6 month follow-up

    Behavioral: In-person training

  • No intervention
    Control group with no in-person training and no point-of-care instruction access - 6 month follow-up

    There is no in-person training or point-of-care (POC) instructional interventions for this group for tourniquet application attempt. Participants repeat the tourniquet application attempt without any in-person training or POC instructional interventions at 6 month follow-up

Interventions

  • BehavioralAudio kit

    MP3 audio files for each of 6 steps and instructional flashcard with pictures corresponding to each of the 6 steps of tourniquet application

  • BehavioralInstructional flashcard

    Single page (instructional flashcard) with pictures corresponding to each of the 6 steps of tourniquet application

  • BehavioralIn-person training

    Stop the Bleed bleeding control (B-Con) course is used for instruction for tourniquet application attempt

06

What researchers measure

Primary outcomes

  1. Correct tourniquet application at initial encounter

    Number of participants who meet all criteria for correct application of the tourniquet

    Time frame: After initial intervention (up to 20 minutes)

  2. Correct tourniquet application at 6-month follow-up

    Number of participants who meet all criteria for correct application of the tourniquet

    Time frame: 6 months

Secondary outcomes

  1. Level of Participant Confidence initially

    Participants will self-rate on a Likert scale of 0 - 10, where 0 is no confidence and 10 is absolutely confident

    Time frame: After initial intervention (up to 20 minutes)

  2. Level of Participant Confidence at 6-month follow-up

    Participants will self-rate on a Likert scale of 0 - 10, where 0 is no confidence and 10 is absolutely confident

    Time frame: 6 months

07

Study locations

1 site
  • Washington University in St. Louis - McKelvey School of Engineering, Dept. of Biomedical Engineering
    Saint Louis, Missouri 63130, United States
08

References and documents

Individual participant data

Plan to share: Yes — Upon reasonable request to the corresponding author

Supporting information: Study protocol

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Dec 13, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT05812352
Lead sponsor
University of Michigan
Collaborators
Washington University School of Medicine, LFR International
Responsible party
Zachary Eisner (Researcher, University of Michigan) — Principal investigator
First posted
Apr 13, 2023
Start date
Jan 24, 2023
Primary completion
Dec 1, 2023
Completion
Dec 1, 2023
Last update
Dec 13, 2023

Study contacts

Zachary Eisner, BS
principal investigator · University of Michigan
Patricia Widder, MS
study director · Washington University in St. Louis - McKelvey School of Engineering

Oversight

FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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This study is completed, as verified in Dec 2023. You cannot join it, but the record below documents what was studied.

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