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Data-Driven Lay First Responder Program in Cameroon (K-LFR Project)

5. mai 2026 oppdatert av: Sabrinah Christie

Implementation of a Data-Driven Pre-Hospital Lay First Responder Program in Cameroon

Cameroon experiences a high burden of injury-related morbidity and mortality and currently lacks a formal pre-hospital care system. Lay First Responder (LFR) programs have been implemented in several low-and middle-income countries to improve early injury care by training non-medical community members with high exposure to injury, such as commercial drivers, in basic first aid and safe transport of injured patients.

The study aims to implement and evaluate a data-driven, context-adapted LFR program in Cameroon using an implementation science approach. Quantitative trauma registry data and qualitative stakeholder interviews will be used to adapt the LFR curriculum to local injury patterns and care gaps. LFR program implementation will be associated with increased chances of survival on presentation and improved trauma outcomes.

The study is an interrupted time series evaluation of an LFR intervention where prehospital care rates and clinical patterns in the Cameroon Trauma Registry (CTR) patients at Limbe Regional hospital will be compared between historical pre-implementation controls and post-implementation of a data-driven lay first responder training program (the intervention).

Studieoversikt

Status

Har ikke rekruttert ennå

Forhold

Intervensjon / Behandling

Detaljert beskrivelse

Injury accounts for a substantial proportion of preventable mortality in Cameroon, where no organized prehospital emergency medical system currently exists. Evidence suggests that effective prehospital care could prevent up to 45% of injury-related deaths. Lay First Responder (LFR) programs represent a pragmatic strategy for improving early trauma care in resource-limited settings by training lay persons who are frequently present at injury scenes.

Despite promising early results in other settings, rigorous evaluation of LFR programs has been limited, particularly regarding their impact on patient-level outcomes. This study aim to test the contextual feasibility of the lay first responder program in Cameroon, after it has been successful in other Sub-Saharan nations.

This study seeks to address these gaps by implementing a data-driven LFR program informed by trauma registry analysis and stakeholder engagement, and by evaluating feasibility, acceptability, and effectiveness within Cameroonian context.

The Cameroon Trauma Registry (CTR) gathers prospective data on patient demographics, injury characteristics, receipt of prehospital care, clinical findings and management, disposition and outcomes on patients admitted for injuries at ten trauma hospitals in Cameroon. Each hospital has a full-time research assistant overseen by an MPH-level field supervisor. Patients are followed from presentation through hospital discharge. This study will be implemented in Limbe municipality, Cameroon and will utilize data from the Limbe Regional Hospital site of the CTR.

The LFR intervention: An LFR curriculum adapted for the Cameroon context using a two-stage, mixed-methods approach (quantitative analysis of prospective CTR data and qualitative semi-structured interviews of target stakeholders) will be used to train LFR providers (commercial drivers and community members) over a 3-month training and transition period.

The primary metric of program feasibility will be percent change in the proportion of trauma patients receiving prehospital care in the post-intervention cohort compared to pre-intervention historical controls. The secondary outcomes for program effectiveness will be injury severity-stratified percentage change in the proportion of CTR patients presenting with normal vital signs (systolic blood pressure, heart rate, respiratory rate) in the post-intervention cohort compared to the pre-intervention cohort.

Studietype

Intervensjonell

Registrering (Antatt)

1812

Fase

  • Ikke aktuelt

Kontakter og plasseringer

Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.

Studiekontakt

Studer Kontakt Backup

Studiesteder

    • Southwest
      • Limbe, Southwest, Kamerun
        • Limbe Health District
        • Ta kontakt med:

Deltakelseskriterier

Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.

Kvalifikasjonskriterier

Alder som er kvalifisert for studier

  • Barn
  • Voksen
  • Eldre voksen

Tar imot friske frivillige

Nei

Beskrivelse

Inclusion Criteria:

- Trauma patients presenting to Limbe Regional Hospital and enrolled in the Cameroon Trauma Registry

Exclusion Criteria

- Trauma patients not included in the Cameroon trauma registry at Limbe regional hospital.

Studieplan

Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.

Hvordan er studiet utformet?

Designdetaljer

  • Primært formål: Helsetjenesteforskning
  • Tildeling: Ikke-randomisert
  • Intervensjonsmodell: Sekvensiell tildeling
  • Masking: Ingen (Open Label)

Våpen og intervensjoner

Deltakergruppe / Arm
Intervensjon / Behandling
Ingen inngripen: Pre-LFR implementation CTR cohort
Historic data of trauma patients enrolled during an 18-month pre-implementation period in Limbe Regional Hospital before the LFR training program commences.
Eksperimentell: Post-LFR implementation CTR cohort
Trauma patients enrolled in the 18- month post-implementation period in Limbe Regional Hospital after the 3-month LFR provider training program and transition period has ended.
Training of LFR providers using a data driven, pretested curriculum adapted for the Cameroon context over a 3-month training and transition period.

Hva måler studien?

Primære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Prehospital care rate
Tidsramme: From enrollment through the 18-month post implementation period.
Proportion of hospitalized trauma patients who received prehospital care prior to arrival at participating hospitals, compared between pre- and post implementation LFR cohorts.
From enrollment through the 18-month post implementation period.

Sekundære resultatmål

Resultatmål
Tiltaksbeskrivelse
Tidsramme
Systolic blood pressure at presentation
Tidsramme: From enrollment through the 18-month post implementation period.
Median systolic blood pressure (mmHg) measured at hospital presentation among injured patients, compared between pre- and post implementation LFR cohorts
From enrollment through the 18-month post implementation period.
Respiratory rate greater than 8 and less than 20 breaths per minute
Tidsramme: From enrollment through the 18-month post-implementation period
Percentage change in the proportion of CTR patients presenting with respiratory rate greater than 8 and less than 20 breaths per minute compared between pre- and post implementation LFR cohorts.
From enrollment through the 18-month post-implementation period
Proportion of trauma patients with heart rate between 60 and 100 beats per minute
Tidsramme: From enrollment through the 18-month post implementation period.
Percent change in the proportion of trauma patients with heart rate between 60 and 100 beats per minute compared between pre- and post implementation LFR cohorts.
From enrollment through the 18-month post implementation period.
In-hospital mortality
Tidsramme: From enrollment through the 18-month post-implementation period.
All-cause in-hospital mortality among injured patients, compared between pre- and post implementation LFR cohorts.
From enrollment through the 18-month post-implementation period.
24-hour mortality
Tidsramme: From enrollment through the 18-month post implementation period.
All-cause mortality within 24 hours of hospital presentation among injured patients, compared between pre- and post implementation LFR cohorts.
From enrollment through the 18-month post implementation period.
Blood transfusion
Tidsramme: From enrollment through 18-month post implementation period.
Proportion of injured patients receiving blood transfusion during hospitalization, compared between pre- and post implementation LFR cohorts.
From enrollment through 18-month post implementation period.
Operative intervention
Tidsramme: From enrollment through 18-month post implementation period.
Proportion of injured patients requiring surgical intervention during hospitalization, compared between pre- and post implementation LFR cohorts.
From enrollment through 18-month post implementation period.

Samarbeidspartnere og etterforskere

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Sponsor

Samarbeidspartnere

Studierekorddatoer

Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.

Studer hoveddatoer

Studiestart (Antatt)

1. september 2026

Primær fullføring (Antatt)

1. juni 2028

Studiet fullført (Antatt)

1. september 2028

Datoer for studieregistrering

Først innsendt

15. april 2026

Først innsendt som oppfylte QC-kriteriene

5. mai 2026

Først lagt ut (Faktiske)

12. mai 2026

Oppdateringer av studieposter

Sist oppdatering lagt ut (Faktiske)

12. mai 2026

Siste oppdatering sendt inn som oppfylte QC-kriteriene

5. mai 2026

Sist bekreftet

1. mai 2026

Mer informasjon

Begreper knyttet til denne studien

Ytterligere relevante MeSH-vilkår

Andre studie-ID-numre

  • K01TW012689 (U.S. NIH-stipend/kontrakt)

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