Skip to content

911 Nurse Triage Line

911 Nurse Triage Line Randomized Controlled Trial

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05589168
Enrollment
6053
Registered
2022-10-21
Start date
2018-04-19
Completion date
2019-03-01
Last updated
2022-10-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Emergencies

Brief summary

Each year, millions of Americans call 911 for time-sensitive issues that don't require Emergency Medical Services (EMS). In need of medical help, these callers may treat 911 as an entry point into the healthcare system, yet an ambulance to the emergency department can harm both their own long-term health and the health of others. In a field experiment in Washington, DC, the investigators randomly assign nurses directly into 911 calls in order to triage low-acuity calls. While other 911 reforms have denied callers access to alternative resources, this effort reforms 911 by offering appropriate care.

Interventions

BEHAVIORALTriage nurse

Triage nurse joins 911 call

BEHAVIORALNo triage nurse

Triage nurse does not join 911 call (business as usual)

Sponsors

The Lab @ DC
Lead SponsorOTHER_GOV

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
Yes

Inclusion criteria

* Low-acuity call

Exclusion criteria

* Incarcerated

Design outcomes

Primary

MeasureTime frameDescription
Ambulance dispatchDuring or immediately subsequent to callAmbulance is dispatched in response to the 911 call
Ambulance transportDuring or immediately subsequent to callCaller is transported in dispatched ambulance
ED visit, 24 hours24 hoursEmergency department visit within 24 hours
ED visit, 6 months6 monthsEmergency department visit with 6 months
Primary care visit, 24 hours24 hoursPrimary care visit within 24 hours
Primary care visit, 6 months6 monthsPrimary care visit within 6 months
911 use, 24 hours24 hoursWhether caller made subsequent calls to 911 within 24 hours
911 use, 6 months6 monthsWhether caller made subsequent calls to 911 within 6 months
Health expenditures6 monthsTotal dollars and log-transformed dollars of Medicaid health expenditures

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026