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NCT04587167

HPV Vaccine Communication ECHO for Primary Care Clinics

Completed NA Results posted Last updated 24 February 2026
What this trial tests

NA trial testing Project ECHO in Human Papillomavirus Vaccines in 30 participants. Completed in 30 April 2025.

Timeline
1 May 2021
Primary endpoint
30 September 2024
30 April 2025

Quick facts

Lead sponsorMilton S. Hershey Medical Center
PhaseNA
StatusCompleted
Study typeINTERVENTIONAL
Allocationrandomized
Designparallel
Maskingnone
Primary purposehealth services research
Enrollment30
Start date1 May 2021
Primary completion30 September 2024
Estimated completion30 April 2025
Sites1 location across United States

Drugs / interventions tested

Conditions studied

Sponsor

Milton S. Hershey Medical Center

Who can join

18 and older, any sex, with Human Papillomavirus Vaccines or Adolescent Health Services. Patients with the condition only — healthy volunteers not accepted.

Results — posted to ClinicalTrials.gov

Per-arm endpoint measurements with 95% confidence intervals where reported. Source: trial results section.

HPV Vaccination (≥1 Dose), 11-14 Year Olds at 12 Months Primary · Twelve months

Coverage change from baseline to 12 months in HPV vaccine initiation (≥1 dose), among 11- to 14- year old patients, as measured by clinics' records

GroupValue95% CI
HPV ECHO3189± 2
HPV ECHO+3833± 2
Control4260± 2
HPV Vaccination (≥1 Dose), 11-14 Year Olds at 3 Months Secondary · Three months

Coverage change from baseline to 3 months in HPV vaccine initiation (≥1 dose), among 11- to 14- year old patients, as measured by clinics' records

GroupValue95% CI
HPV ECHO2483
HPV ECHO+1759
Control4083
HPV Vaccination (≥1 Dose), 11-14 Year Olds at 6 Months Secondary · Six months

Coverage change from baseline to 6 months in HPV vaccine initiation (≥1 dose), among 11- to 14- year old patients, as measured by clinics' records

GroupValue95% CI
HPV ECHO2584
HPV ECHO+1831
Control4177
HPV Vaccination (≥1 Dose), 11-14 Year Olds at 9 Months Secondary · Nine months

Coverage change from baseline to 9 months in HPV vaccine initiation (≥1 dose), among 11- to 14- year old patients, as measured by clinics' records

GroupValue95% CI
HPV ECHO2744
HPV ECHO+1888
Control4102
HPV Vaccination (Completion), 11-14 Year Olds at 3 Months Secondary · Three months

Coverage change from baseline to 3 months in HPV vaccine completion (according to the Advisory Committee on Immunization Practices (ACIP) guidelines), among 11- to 14- year-old patients, as measured by clinics' records

GroupValue95% CI
HPV ECHO1517
HPV ECHO+1063
Control3075
HPV Vaccination (Completion), 11-14 Year Olds at 6 Months Secondary · Six months

Coverage change from baseline to 6 months in HPV vaccine completion (according to the Advisory Committee on Immunization Practices (ACIP) guidelines), among 11- to 14- year-old patients, as measured by clinics' records

GroupValue95% CI
HPV ECHO1655
HPV ECHO+1156
Control3249
HPV Vaccination (Completion), 11-14 Year Olds at 9 Months Secondary · Nine months

Coverage change from baseline to 9 months in HPV vaccine completion (according to the Advisory Committee on Immunization Practices (ACIP) guidelines), among 11- to 14- year-old patients, as measured by clinics' records

GroupValue95% CI
HPV ECHO1817
HPV ECHO+1232
Control3180
HPV Vaccination (Completion), 11-14 Year Olds at 12 Months Secondary · Twelve months

Coverage change from baseline to 12 months in HPV vaccine completion (according to the Advisory Committee on Immunization Practices (ACIP) guidelines), among 11- to 14- year-old patients, as measured by clinics' records

GroupValue95% CI
HPV ECHO1984
HPV ECHO+1946
Control3432
HPV Vaccination (≥1 Dose), 15-17 Year Olds at 3 Months Secondary · Three months

Coverage change from baseline to 3 months in HPV vaccine initiation (≥1 dose), among 15- to 17- year old patients, as measured by clinics' records

GroupValue95% CI
HPV ECHO1965
HPV ECHO+1801
Control3182
HPV Vaccination (≥1 Dose), 15-17 Year Olds at 6 Months Secondary · Six months

Coverage change from baseline to 6 months in HPV vaccine initiation (≥1 dose), among 15- to 17- year old patients, as measured by clinics' records

GroupValue95% CI
HPV ECHO1976
HPV ECHO+1805
Control3158
HPV Vaccination (≥1 Dose), 15-17 Year Olds at 9 Months Secondary · Nine months

Coverage change from baseline to 9 months in HPV vaccine initiation (≥1 dose), among 15- to 17- year old patients, as measured by clinics' records

GroupValue95% CI
HPV ECHO1997
HPV ECHO+1812
Control3185
HPV Vaccination (≥1 Dose), 15-17 Year Olds at 12 Months Secondary · Twelve months

Coverage change from baseline to 12 months in HPV vaccine initiation (≥1 dose), among 15- to 17- year old patients, as measured by clinics' records

GroupValue95% CI
HPV ECHO2397
HPV ECHO+3684
Control3176

Sponsor's own description

The safe, highly-effective human papillomavirus (HPV) vaccine remains underused in the US; only 51% of 13- to 17-year-old girls and boys were up-to-date by 2018. The Announcement Approach Training is effective in increasing HPV vaccine uptake during the clinic visit by training providers to make strong vaccine recommendations and answer parents' common questions. Systems communication like recall notifications also improve vaccination by reducing missed clinical opportunities. Although never tested to support HPV vaccination, the ECHO (Extension for Community Healthcare Outcomes) Model is a proven implementation strategy to promote capacity exchange between health care experts at academic centers and primary care providers at the front line of rural community health care. The trial will test the effectiveness of two ECHO-delivered HPV vaccination communication interventions versus control: HPV ECHO will provide Announcement Approach training, and HPV ECHO+ will provide training plus recall notices to communicate with parents who initially decline vaccination.

Publications & conference data

1 peer-reviewed publication reference this trial (live from Europe PMC):

  1. Increasing the adoption of evidence-based communication practices for HPV vaccination in primary care clinics: The HPV ECHO study protocol for a cluster randomized controlled trial.
    Calo WA, Shah PD, Fogel BN, Ruffin Iv MT, et al · · 2023 · cited 6× · PMID 37301468 · DOI 10.1016/j.cct.2023.107266

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Other trials of Project ECHO

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Data sources for this page

Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04587167.

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing