Implementation and Evaluation of Tailored Interventions to Increase MMR and/or HPV Vaccine (RIVER-EU)


University Medical Center Groningen (UMCG)


Not yet enrolling


Knowledge, Attitudes, Practice
Health Systems


Behavioral: multicomponent intervention on vaccination awareness

Study type


Funder types




Details and patient eligibility


The goal of the study is to monitor and evaluate the implementation of interventions that aim to increase HPV & MMR vaccines among underserved communities across four European countries: Greece, Netherlands, Poland, and Slovakia. The interventions will target identified health systems barriers in an earlier phase of the project. The interventions that will be implemented employ trusted community members as health promotors whom will provide educational sessions on HPV and MMR vaccination to the target groups. In addition, the cost-effectiveness of vaccine uptake strategies for the target groups is being evaluated. The main research question is: to what extent is the multicomponent tailored intervention effective to increase MMR/HPV intention and vaccine uptake in the target population in Greece, Netherlands, Poland and Slovakia?

Full description

The general objective of the study is to improve access to vaccination by addressing relevant system level barriers to increase HPV and MMR (where applicable) vaccine intention and uptake among the target groups. The investigators expect that the intervention will address health system barriers to improve increase in access to information on vaccination and vaccination services. A prospective multicomponent intervention study will be performed between 1st of April 2024 and 31st of July 2025 that will be evaluated using a pre and post design as well as a participatory approach during the implementation. As part of the multicomponent intervention a preparatory phase is taken place before this period of time. The multicomponent intervention consists of training of health promotors and healthcare professionals, and of educational sessions to community members and navigation. The educational sessions will be offered at suitable and accessible locations for the target population. The five communities targeted in are the following: The migrant community in Greece (HPV and MMR) Turkish and Moroccan women in the Netherlands (HPV) The Ukrainian community in Poland (HPV and MMR) The Roma community in Slovakia (HPV)


1,000 estimated patients




12 to 100 years old


Accepts Healthy Volunteers

Inclusion criteria

parents of children eligible for MMR and/or HPV vaccination according to country guidelines on those specific vaccines

Exclusion criteria

respondents not willing or able to fill out questionnaires

Trial design

Primary purpose

Health Services Research



Interventional model

Single Group Assignment


None (Open label)

1,000 participants in 4 patient groups

Educational sessions delivered by health promotors in Greece
Experimental group
In this approach, medical professionals and health promoters-trusted members of the community-will educate refugee and migrant parents. The focus is on enhancing awareness of HPV/MMR and fostering a greater willingness to vaccinate their children/adolescents. Multicultural schools and migrant associations are the locations where the educational sessions will be provided.
Behavioral: multicomponent intervention on vaccination awareness
Educational sessions delivered by health promotors and healthcare professionals in the Netherlands
Experimental group
Trusted community health members will be trained and will act as health promotors in the intervention. Together with health care professionals they will offer educational sessions on HPV vaccination at locations close to where people live (in the neighborhoods) and locations communities are familiar with, such as community centers, schools, health centers, religious places or offices of foundations/non-governmental organizations. Together with local stakeholders it will be verified that locations are also acceptable for the target communities. A navigation component is also included and participants will be contacted 1 week and 3 months after the educational sessions and reminded to get vaccinated and will be asked if they still have questions or need help to find their way to get vaccinated.
Behavioral: multicomponent intervention on vaccination awareness
Educational sessions delivered by health promotors in Poland
Experimental group
This intervention is based on the principle of face-to-face and online health education, where Ukrainian parents are educated by general practitioners to raise HPV/MMR awareness and increase willingness to child/adolescent vaccination.
Behavioral: multicomponent intervention on vaccination awareness
Educational sessions delivered by health promotors in Slovakia
Experimental group
Roma health mediators will be trained on HPV vaccination and thereafter will offer educational sessions to the underserved communities. Educational sessions take place at either municipalities, schools, community centers, local health care providers and public health authorities.
Behavioral: multicomponent intervention on vaccination awareness

Trial contacts and locations



Central trial contact

Pania Karnaki; Janine De Zeeuw, PhD

Data sourced from

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