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Cost-effectiveness analysis of HPV extended versus partial genotyping for cervical cancer screening in Singapore

Chua, Brandon, Lim, Li Min, Ng, Joseph Soon Yau, Ma, Yan, Wee, Hwee Lin and Caro, J. Jaime (2023) Cost-effectiveness analysis of HPV extended versus partial genotyping for cervical cancer screening in Singapore. Cancers, 15 (6). ISSN 2072-6694

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Identification Number: 10.3390/cancers15061812

Abstract

Human papillomavirus (HPV) partial genotyping (PGT) identifies HPV16 and HPV18 individually, alongside 12 other high-risk HPV genotypes (hrHPV) collectively. HPV extended genotyping (XGT) identifies four additional hrHPV individually (HPV31, 45, 51, and 52), and reports the remaining eight in three groups (HPV33|58; 56|59|66; 35|39|68). Quality-adjusted life years (QALY), health care resource use, and costs of XGT were compared to PGT for cervical cancer screening in Singapore using DICE simulation. Women with one of the three hrHPV identified by XGT (HPV35|39|68; 56|59|66; 51), and atypical squamous cells of undetermined significance (ASCUS) on cytology, are recalled for a repeat screening in one year, instead of undergoing an immediate colposcopy with PGT. At the repeat screening, the colposcopy is performed only for persistent same-genotype infections in XGT, while with PGT, all the women with persistent HPV have a colposcopy. Screening 500,122 women, aged 30–69, with XGT, provided an incremental cost-effectiveness ratio (ICER) versus PGT of SGD 16,370/QALY, with 7130 (19.4%) fewer colposcopies, 6027 (7.0%) fewer cytology tests, 9787 (1.6%) fewer clinic consultations, yet 2446 (0.5%) more HPV tests. The XGT ICER remains well below SGD 100,000 in sensitivity analyses, (-SGD 17,736/QALY to SGD 50,474/QALY). XGT is cost-effective compared to PGT, utilizes fewer resources, and provides a risk-based approach as the primary cervical cancer screening method.

Item Type: Article
Official URL: https://www.mdpi.com/journal/cancers
Additional Information: © 2023 The Authors
Divisions: Hellenic Observatory
Subjects: R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
R Medicine > RG Gynecology and obstetrics
Date Deposited: 18 Apr 2023 14:27
Last Modified: 15 Jul 2024 02:21
URI: http://eprints.lse.ac.uk/id/eprint/118662

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