Contemporary clinical trials · 2026
A multilevel clinic- and community-based intervention to increase COVID-19 vaccination among Latinos in San Diego County: Protocol description of the vaccine promotion program.
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Crespo Noe C, Elder John, Oren Eyal, Arredondo Elva, Lin Chii-Dean Joey, Godino Job, Madanat Hala, Cervantes Griselda, Patron Amanda, Fraga Kiria, Vargas-Tequida Bianca, Ramers Christian B
Аннотация
BACKGROUND: COVID-19 has disproportionately affected minority groups, including Latinos. Since the development of COVID-19 vaccines, effective implementation faced challenges due to multiple factors, necessitating multi-level and multi-sector approaches. This study describes the Vaccine Promotion Program (VPP), a multi-level intervention to increase COVID-19 vaccine uptake among Latinos in clinical and community settings.
METHODS: VPP is a double-blind, pragmatic, 12-month cluster-randomized trial in collaboration with a large Federally Qualified Health Center (FQHC) in San Diego, CA. Ten clinics will be randomized to a Multilevel Intervention involving activities at the interpersonal, clinic, and community levels (VPP) or Standard Clinical Practice (SCP) (n = 5 clinics, respectively). Patients in VPP clinics will receive tailored clinic-originated messages about COVID-19 vaccination and motivational interviews (MI) (15-30-min telephone/telehealth encounters) from Health Educators (HE) to encourage COVID-19 vaccination. HEs will send emails and/or text message-based information to encourage vaccination. The community-level intervention involves targeted and tailored activities to promote COVID-19 vaccine uptake in neighborhoods surrounding the five VPP clinics. A cohort of 200 patients will be enrolled to participate in comprehensive surveys and follow-up for 24 months to assess longer-term outcomes. The primary outcome (COVID-19 aggregated vaccination rates) will be compared at baseline, 6, and 12 months between VPP and SCP clinics and neighborhoods, respectively.
DISCUSSION: VPP directly addresses the most prominent COVID-19 vaccination barriers, including health literacy, community trust, and vaccine access, through a multi-level approach in collaboration with an FQHC. This approach has the potential to be an effective and scalable public health approach to vaccination among underserved communities.
METHODS: VPP is a double-blind, pragmatic, 12-month cluster-randomized trial in collaboration with a large Federally Qualified Health Center (FQHC) in San Diego, CA. Ten clinics will be randomized to a Multilevel Intervention involving activities at the interpersonal, clinic, and community levels (VPP) or Standard Clinical Practice (SCP) (n = 5 clinics, respectively). Patients in VPP clinics will receive tailored clinic-originated messages about COVID-19 vaccination and motivational interviews (MI) (15-30-min telephone/telehealth encounters) from Health Educators (HE) to encourage COVID-19 vaccination. HEs will send emails and/or text message-based information to encourage vaccination. The community-level intervention involves targeted and tailored activities to promote COVID-19 vaccine uptake in neighborhoods surrounding the five VPP clinics. A cohort of 200 patients will be enrolled to participate in comprehensive surveys and follow-up for 24 months to assess longer-term outcomes. The primary outcome (COVID-19 aggregated vaccination rates) will be compared at baseline, 6, and 12 months between VPP and SCP clinics and neighborhoods, respectively.
DISCUSSION: VPP directly addresses the most prominent COVID-19 vaccination barriers, including health literacy, community trust, and vaccine access, through a multi-level approach in collaboration with an FQHC. This approach has the potential to be an effective and scalable public health approach to vaccination among underserved communities.