Reach and effectiveness of an HPV self-sampling intervention for cervical screening amongst under- or never-screened women in Toronto, Ontario Canada

HPV self-sampling implementation strategies to engage under screened communities in cervical cancer screening: a scoping review to inform screening programs

Introduction

Human papillomavirus (HPV) testing as a method of cervical cancer screening can be performed by healthcare providers or by patients through self-sampling directly in the community, removing several barriers experienced by under screened populations. The objective of this scoping review was to determine which HPV self-sampling implementation and engagement strategies have been used to engage under screened populations (i.e., Indigenous, newcomer, and rural and remote communities) in cervical cancer screening.

Methods

A scoping review was conducted searching MEDLINE, CINAHL, EMBASE, Cochrane Library, and SocINDEX from inception to August 2023. The inclusion criteria were: (1) Indigenous, newcomer, and rural and remote communities; (2) countries identified as members of the Organization for Economic Co-operation and Development; and (3) intervention included HPV self-sampling. The review was registered prior to conducting the search (https://osf.io/zfvp9).

Results

A total of 26 studies out of 2,741 studies met the inclusion criteria. In-person engagement with trusted community leaders was the most widely used and accepted recruitment and engagement strategy across all three populations. Six out of seven studies with Indigenous communities distributed HPV self-sampling kits to eligible participants in person in a clinical setting for collection on site or at home. Similarly, nine of the identified studies that engaged newcomers recruited participants in person through the community, where eligible participants were either given a kit (n = 7) or received one in the mail (n = 2). Lastly, of the 10 identified studies engaging rural and remote participants in HPV self-sampling, six recruited eligible participants in person at various community locations and four used electronic medical records or registries to identify and mail kits to participants.

Discussion

HPV self-sampling through in person kit distribution and mail out of HPV self-sampling kits is an effective way to increase participation rates amongst under screened populations.

HPV Self-Sampling for Cervical Cancer Screening in Under-Screened Saskatchewan Populations: A Pilot Study

Of all cancers in female Canadians, the most rapidly increasing incidence is that of cervical cancer. The objective of this pilot study was to assess how HPV self-sampling might improve cervical cancer screening participation in both urban and rural settings in Saskatchewan, one of the most sparsely populated provinces in Canada. Study groups consisted of n = 250 participants to whom self-swabbing kits were mailed with instructions and n = 250 participants to whom kits were handed out in 6 urban and rural clinics. The inclusion criteria selected subjects aged 30-69 years who were Saskatchewan residents for at least 5 years with valid health coverage, had a cervix, and had no record of cervical cancer screening in 4 years. The returned samples were analyzed for specific HPV strains using the Roche Molecular Diagnostics Cobas 4800® System. The overall response rate was ~16%, with the response to the handout distribution being roughly double that of the mailout. While HPV positivity did not differ across the distribution groups, participants at a specific inner-city clinic reported significantly higher positivity to at least one HPV strain as compared to any other clinic and all mailouts combined. For this high-risk population, in-person handout of self-sampling kits may be the most effective means of improving screening.

Important and Feasible Actions to Address Cervical Screening Participation amongst South Asian Women in Ontario: A Concept Mapping Study with Service Users and Service Providers

Regular cervical screening can largely prevent the development of cervical cancer and innovative methods are needed to better engage people in screening. In Ontario, Canada, South Asian women have some of the lowest rates of screening in the province. In this study, we used concept mapping to engage two stakeholder groups-South Asian service users and service providers-to identify and prioritize points of intervention to encourage the uptake of cervical screening. After participants brainstormed a master list of statements, 45 participants rated the statements based off 'importance' and 'ease to address' in relation to encouraging cervical screening. A bivariate plot (X-Y graph) that shows the average rating values for each statement across the two rating variables (a 'go-zone' display) was produced to display priorities for implementation. Statements that were considered high priority to address reflected issues around education and awareness including understanding and communication related to cervical screening and preventative care, as well as the need for trusted sources of information. Statements that were considered high priority but challenging to implement were centered around fear, stigma, discomfort, family and personal priorities. This study highlighted that stigma, norms and social relations that impact the uptake of screening must be addressed in order for education and awareness raising to be effective and to move people from conviction around screening to action.

Epidemiology of HPV-associated cancers past, present and future: towards prevention and elimination

Cervical cancer is the first cancer deemed amenable to elimination through prevention, and thus lessons from the epidemiology and prevention of this cancer type can provide information on strategies to manage other cancers. Infection with the human papillomavirus (HPV) causes virtually all cervical cancers, and an important proportion of oropharyngeal, anal and genital cancers. Whereas 20th century prevention efforts were dominated by cytology-based screening, the present and future of HPV-associated cancer prevention relies mostly on HPV vaccination and molecular screening tests. In this Review, we provide an overview of the epidemiology of HPV-associated cancers, their disease burden, how past and contemporary preventive interventions have shaped their incidence and mortality, and the potential for elimination. We particularly focus on the cofactors that could have the greatest effect on prevention efforts, such as parity and human immunodeficiency virus infection, as well as on social determinants of health. Given that the incidence of and mortality from HPV-associated cancers remain strongly associated with the socioeconomic status of individuals and the human development index of countries, elimination efforts are unlikely to succeed unless prevention efforts focus on health equity, with a commitment to both primary and secondary prevention.

Comparison of diagnostic accuracy and acceptability of self-sampling devices for human Papillomavirus detection: A systematic review

Objective

Cervical cancer screening coverage remains low in many countries worldwide. Self-sampling approach for cervical cancer screening has a good potential to improve the screening coverage. This study aims to compare different types of HPV self-sampling devices for cervical cancer screening to identify the most accurate and acceptable device(s).

Methods

A systematic review was performed on data extracted from all studies specific to HPV self-sampling devices by searching relevant articles in PubMed, Google Scholar, Scopus, Web of Science, ScienceDirect, Cochrane Library, and EBSCO published from 2013 to October 2023. The study was registered in PROSPERO (CRD42022375682).

Results

Overall, 70 papers met the eligibility criteria for this systematic review and were included in the analysis: 22 studies reported self-sampling devices diagnostic accuracy, 32 studies reported self-sampling devices acceptability and 16 studies reported both (accuracy and acceptability). The most popular self-sampling devices were Evalyn Brush, FLOQ Swab, Cervex-Brush, and Delphi Screener. Out of overall 38 studies analyzing self-sampling devices' diagnostic accuracy, 94.7% of studies reported that self-collected specimens provided sensitivity and specificity comparable with clinician-collected samples; acceptability of Evalyn Brush, FLOQ Swab, Delphi Screener, and Colli-Pee, varied between 84.2% and 100%.

Conclusion

The self-sampling approach has a good potential to increase cervical cancer screening coverage. Evalyn Brush, Cervex-Brush, FLOQ Swab, and Delphi Screener self-sampling devices for HPV detection were the most commonly utilized and found to be the most accurate, and patient-acceptable. HPV detection accuracy using these self-sampling devices had no significant difference compared to the sampling performed by healthcare providers.

Older women's perceptions of HPV self-sampling and HPV-sampling performed by a midwife - a phenomenographic study

BACKGROUND

Cervical cancer is a global disease and it is well established that cervical cancer is caused by human papillomavirus (HPV). In Sweden self-sampling for HPV is now used as a complement to sampling performed by a midwife. However, there is a lack of knowledge on how older women perceive the self-sampling compared to the sampling performed by a midwife. Therefore, the aim of the study was to describe how women, aged 64 years and older, perceived the process of self-sampling and sampling performed by a midwife for HPV-testing.

METHODS

Eighteen women were included in a qualitative interview study, and a phenomenographic approach was used for the analysis of the interviews.

RESULTS

Three descriptive categories emerged: Confidence in sampling, Facilitating participation and Being informed. Within the categories, eight conceptions emerged describing the variation relating to how the women perceived the process of self-sampling and sampling performed by a midwife.

CONCLUSIONS

Women in this study describe confidence in self-sampling for HPV-testing and that the self-sampling was saving time and money, both for themselves and for society. Information in relation to an HPV-positive test result is of importance and it must be kept in mind that women affected by HPV may feel guilt and shame, which health care professionals should pay attention to. This knowledge can be used in education of health care staff.

TRIAL REGISTRATION

https://researchweb.org/is/fourol/project/228071 . Reg. no 228,071.

Recommandations pour des soins préventifs pour promouvoir l’équité en matière de santé

Contexte:

Malgré des investissements importants dans un système de soins de santé public qui comprend des services préventifs, on continue d’observer des disparités évitables en matière de santé au Canada. L’équipe avait pour objectif de formuler des recommandations pour des soins de santé préventifs qui puissent améliorer l’équité en matière de santé par la priorisation des interventions efficaces à l’intention des groupes défavorisés.

Méthodes:

La ligne directrice a été élaborée par un comité composé de spécialistes en soins primaires et de membres de la patientèle, avec la contribution d’un groupe de patientes-et patientspartenaires ayant vécu diverses expériences. Après avoir sélectionné les sujets à prioriser, nous avons recensé les revues systématiques, les essais randomisés et contrôlés récents sur les méthodes de dépistage et d’autres études pertinentes sur l’efficacité du dépistage et de la prise en charge. Nous avons utilisé l’approche GRADE (Grading of Recommendations, Assessment, Development and Evaluation) pour formuler les recommandations et avons suivi le guide AGREE II (Appraisal of Guidelines for Research and Evaluation) pour rédiger le rapport. Il en a été de même avec les principes du Guidelines International Network pour la gestion des intérêts concurrents. Les recommandations ont été passées en revue par un comité externe d’experts en contenu avant d’être distribuées à des intervenants à l’échelle nationale pour approbation.

Recommandations:

Nous avons formulé 15 recommandations concernant le dépistage et d’autres soins préventifs et 1 recommandation de nature politique visant à améliorer l’accès aux soins primaires. Ainsi, nous recommandons de prioriser une stratégie de communication pour le dépistage du cancer colorectal à partir de l’âge de 45 ans et pour l’évaluation du risque de maladie cardiovasculaire pour lutter contre les iniquités en matière de santé et promouvoir la santé. Les interventions particulières qui devraient être déployées pour lutter contre les iniquités comprennent l’autodépistage du virus du papillome humain (VPH) et du VIH, et le test de libération de l’interféron γ pour l’infection tuberculeuse. Le dépistage de la dépression, de la toxicomanie, de la violence conjugale et de la pauvreté devrait également permettre aux personnes touchées d’accéder plus facilement à des interventions éprouvées. Nous recommandons une prise de contact systématique avec des professionnels de la santé en soins primaires pour les personnes défavorisées.

Interprétation:

Les interventions préventives éprouvées peuvent aider à combattre les iniquités en matière de santé si la priorité est accordée aux personnes défavorisées. Les médecins, les organisations de santé et les gouvernements devraient adopter des mesures fondées sur des données probantes et en faire le suivi s’ils veulent promouvoir l’équité en matière de santé partout au Canada.

The potential benefits of "community champions" in the healthcare system

In a study to understand acceptability and uptake of Human Papilloma Virus (HPV) self-sampling, we engaged community champions to lead recruitment and other study activities. This article describes qualitative findings relevant to the role of the community champion. We found that community champions were critical to promoting awareness about and encouraging cervical screening and HPV self-sampling. They were well-connected community members who had healthcare backgrounds, which created trust in their messages. They were highly effective at encouraging screening because of their education and cultural congruency, combined with the time for thorough and clear explanations. Women had an inherent level of comfort with the community champions that often did not exist with their physician. The community champions were seen as being able to address some of the barriers that exist within the healthcare system. We encourage health leaders to consider how this role can be sustainably and meaningfully incorporated into the healthcare system.

Preventive care recommendations to promote health equity

BACKGROUND

Avoidable disparities in health outcomes persist in Canada despite substantial investments in a publicly funded health care system that includes preventive services. Our objective was to provide preventive care recommendations that promote health equity by prioritizing effective interventions for people experiencing disadvantages.

METHODS

The guideline was developed by a primary care provider-patient panel, with input from a patient-partner panel with diverse lived experiences. After selecting priority topics, we searched for systematic reviews and recent randomized controlled trials of screening and other relevant studies of screening accuracy and management efficacy. We used the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) approach to develop recommendations and followed the Appraisal of Guidelines for Research and Evaluation (AGREE II) reporting guidance. We managed competing interests using the Guideline International Network principles. The recommendations were externally reviewed by content experts and circulated for endorsement by national stakeholders.

RECOMMENDATIONS

We developed 15 screening and other preventive care recommendations and 1 policy recommendation on improving access to primary care. We recommend prioritized outreach for colorectal cancer screening starting at age 45 years and for cardiovascular disease risk assessment, to help address inequities and promote health. Specific interventions that should be rolled out in ways that address inequities include human papillomavirus (HPV) self-testing, HIV self-testing and interferon-γ release assays for tuberculosis infection. Screening for depression, substance use, intimate partner violence and poverty should help connect people experiencing specific disadvantages with proven interventions. We recommend automatic connection to primary care for people experiencing disadvantages.

INTERPRETATION

Proven preventive care interventions can address health inequities if people experiencing disadvantages are prioritized. Clinicians, health care organizations and governments should take evidence-based actions and track progress in promoting health equity across Canada.

Implementation of a Cervical Cancer Screening Intervention for Under- or Never-Screened Women in Ontario, Canada: Understanding the Acceptability of HPV Self-Sampling

With appropriate screening, cervical cancer can be prevented. In Ontario, Canada, some groups of women have low screening rates. South Asian, Middle Eastern and North African women are particularly at risk of under-screening. Currently, cytology-based screening is used in Ontario, although the growing evidence and adoption of HPV testing for cervical screening has encouraged many jurisdictions around the world to move towards HPV testing, with the option of self-sampling. We conducted an intervention beginning in June 2018, where we recruited over 100 under- or never-screened (UNS) women who identify as South or West Asian, Middle Eastern or North African from the Greater Toronto Area, to understand the uptake and acceptability of HPV self-sampling as an alternative to a Pap test. Participants self-selected if they tried the kit or not and completed both quantitative and qualitative research activities. This paper focuses on the qualitative arm of the study, where follow-ups and five focus groups were conducted with those who tried the kit (three groups) and those who did not (two groups), as well as eight key informant interviews with community champions and others who were involved in our recruitment. We used the Consolidated Framework for Implementation Research (CFIR) to guide our data collection and analysis. Major themes around convenience, privacy and comfort came from the data as important drivers of the uptake of the intervention. The role of community champions and peers in engaging and educating UNS women, as well as having self-confidence to collect the sample, also came out as factors impacting uptake and plans for continued use. Overall, the intervention showed that HPV self-sampling is an acceptable alternative to a Pap test for some but not all UNS women in Ontario.