{"entity":{"id":"idea-prev-hpv-self-sampling-mailed-default","kind":"idea","name":"Post every woman an HPV self-test kit instead of asking her to book a smear","aka":[],"tldr":"Women who never book a smear test are missed by invitation-based screening. Posting an HPV self-sampling kit as the default invitation, as the Netherlands and Australia do, reaches them, and PCR-based self-samples match clinician samples for detecting high-grade precancer.","summary":"HPV self-sampling has equivalent sensitivity to clinician-collected samples for CIN2+ with PCR-based tests. Propose opt-out mailed kits as the default invitation for all eligible women, with clinician sampling as an alternative, and triage of positives by extended genotyping or methylation to avoid unnecessary colposcopy.","asOf":"2026-09-08","links":[{"label":"Bottleneck evidence (Prevention we already have is not deployed): Islami et al., Proportion of cancer attributable to modifiable risk factors (CA 2018)","url":"https://doi.org/10.3322/caac.21440"}],"tags":[],"related":[],"cancers":["cervical"],"sections":["prevention","early-detection"],"technologies":["methylation-profiling"],"targets":[],"drugs":[],"companies":[],"institutions":[],"pathways":[],"terms":[],"trials":[],"people":[],"bottlenecks":["b-prevention-adoption"],"keyPapers":["paper-islami-ca-cancer-j-clin"],"journals":[],"dependsOn":[],"notes":[],"hypothesis":"Mailed default self-sampling raises screening coverage by at least 10 percentage points overall and 15 points in the most deprived quintile.","rationale":"Dutch, Australian and Swedish experience; removes clinic access barriers and embarrassment.","test":"Switch the national programme with a stepped-wedge evaluation.","maturity":"being-tested-at-scale","actor":"policy","cost":"medium","horizonYears":3},"route":"/ideas/idea-prev-hpv-self-sampling-mailed-default/","neighbours":{"cancer":[{"id":"cervical","kind":"cancer","name":"Cervical cancer","route":"/cancers/cervical/"}],"section":[{"id":"early-detection","kind":"section","name":"Early Detection & Screening","route":"/fronts/early-detection/"},{"id":"prevention","kind":"section","name":"Prevention & Risk","route":"/fronts/prevention/"}],"technology":[{"id":"methylation-profiling","kind":"technology","name":"DNA methylation profiling","route":"/technologies/methylation-profiling/"}],"bottleneck":[{"id":"b-prevention-adoption","kind":"bottleneck","name":"Prevention we already have is not deployed","route":"/bottlenecks/b-prevention-adoption/"}],"paper":[{"id":"paper-islami-ca-cancer-j-clin","kind":"paper","name":"Proportion and number of cancer cases and deaths attributable to potentially modifiable risk factors in the United States","route":"/key-papers/paper-islami-ca-cancer-j-clin/"},{"id":"paper-hpv-self-sampling-bmj-2018","kind":"paper","name":"Self-collected HPV samples are as accurate as clinician samples and reach women who never attend screening","route":"/key-papers/paper-hpv-self-sampling-bmj-2018/"}],"roadmap":[{"id":"prevention-roadmap","kind":"roadmap","name":"Cancer prevention roadmap: tobacco control and vaccines → biomarker-guided chemoprevention → interception in carriers","route":"/roadmaps/prevention-roadmap/"}]}}