Trial reportClinical and vaccine immunology : CVI2015
Efficacy of human papillomavirus 16 and 18 (HPV-16/18) AS04-adjuvanted vaccine against cervical infection and precancer in young women: final event-driven analysis of the randomized, double-blind PATRICIA trial.
Trial report in Clinical and vaccine immunology : CVI, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 57 papers, 3 of them syntheses that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
57 citing papers in PubMed, 3 syntheses or guidelines pooled it.
- Human papillomavirus (HPV) vaccination for the prevention of cervical cancer and other HPV-related diseases: a network meta-analysis.The Cochrane database of systematic reviews · 2025Pooled it
- Comprehensive evaluation of prophylactic HPV vaccines: a systematic review and meta-analysis of efficacy, safety, and immunogenicity in males and females.Frontiers in immunology · 2025Pooled it
- The effectiveness of vaccination to prevent the papillomavirus infection: a systematic review and meta-analysis.Epidemiology and infection · 2019Pooled it
- A ten-year study of immunogenicity and safety of the AS04-HPV-16/18 vaccine in adolescent girls aged 10-14 years.Human vaccines & immunotherapeutics · 2019Trial
- Trial
- Efficacy, immunogenicity, and safety of the HPV-16/18 AS04-adjuvanted vaccine in Chinese women aged 18-25 years: event-triggered analysis of a randomized controlled trial.Cancer medicine · 2017Trial
- Challenges and possible solutions towards reaching global cervical cancer elimination.EClinicalMedicine · 2026Review
- Insight and benefits from vaccine clinical trials with adaptive designs: a scoping review.Translational and clinical pharmacology · 2025Article
- Accelerating HPV-related cancer elimination - a meeting report.BMC proceedings · 2025Article
- Impact of HPV Catch-Up Vaccination on High-Grade Cervical Lesions (CIN2+) Among Women Aged 26-30 in Northern Norway.Vaccines · 2025Article
- A Review of Human Papillomavirus Vaccination and Associated Ethical Concerns.Infection & chemotherapy · 2024Review
- A Systematic Review of Human Papillomavirus Vaccination Challenges and Strategies to Enhance Uptake.Vaccines · 2024Review
- Lives Saved Through Increasing Adherence to Follow-Up After Abnormal Cervical Cancer Screening Results.O&G open · 2024Article
- Mothers' perceptions and attitudes about HPV vaccination initiation among 9- and 10-year-olds.Human vaccines & immunotherapeutics · 2023Article
- Article
- Cost-effectiveness of human papillomavirus (HPV) vaccination in Burkina Faso: a modelling study.BMC health services research · 2023Article
- Cost-effectiveness of p16/Ki-67 Dual-Stained Cytology Reflex Following Co-testing with hrHPV Genotyping for Cervical Cancer Screening.Cancer prevention research (Philadelphia, Pa.) · 2023Article
- Impact and Cost-Effectiveness of Alternative Human Papillomavirus Vaccines for Preadolescent Girls in Mozambique: A Modelling Study.Vaccines · 2023Article
- Low-Grade Cervical Intraepithelial Neoplasia (CIN1) Evolution: Analysis of Opportunistic Preventive Vaccination Role.Vaccines · 2023Article
- Vaccine Effectiveness Following Routine Immunization With Bivalent Human Papillomavirus (HPV) Vaccine: Protection Against Incident Genital HPV Infections From a Reduced-Dosing Schedule.The Journal of infectious diseases · 2022Article
Corrections and comments
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Authors and funding
28 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We report final event-driven analysis data on the immunogenicity and efficacy of the human papillomavirus 16 and 18 ((HPV-16/18) AS04-adjuvanted vaccine in young women aged 15 to 25 years from the PApilloma TRIal against Cancer In young Adults (PATRICIA). The total vaccinated cohort (TVC) included all randomized participants who received at least one vaccine dose (vaccine, n = 9,319; control, n = 9,325) at months 0, 1, and/or 6. The TVC-naive (vaccine, n = 5,822; control, n = 5,819) had no evidence of high-risk HPV infection at baseline, approximating adolescent girls targeted by most HPV vaccination programs. Mean follow-up was approximately 39 months after the first vaccine dose in each cohort. At baseline, 26% of women in the TVC had evidence of past and/or current HPV-16/18 infection. HPV-16 and HPV-18 antibody titers postvaccination tended to be higher among 15- to 17-year-olds than among 18- to 25-year-olds. In the TVC, vaccine efficacy (VE) against cervical intraepithelial neoplasia grade 1 or greater (CIN1+), CIN2+, and CIN3+ associated with HPV-16/18 was 55.5% (96.1% confidence interval [CI], 43.2, 65.3), 52.8% (37.5, 64.7), and 33.6% (-1.1, 56.9). VE against CIN1+, CIN2+, and CIN3+ irrespective of HPV DNA was 21.7% (10.7, 31.4), 30.4% (16.4, 42.1), and 33.4% (9.1, 51.5) and was consistently significant only in 15- to 17-year-old women (27.4% [10.8, 40.9], 41.8% [22.3, 56.7], and 55.8% [19.2, 76.9]). In the TVC-naive, VE against CIN1+, CIN2+, and CIN3+ associated with HPV-16/18 was 96.5% (89.0, 99.4), 98.4% (90.4, 100), and 100% (64.7, 100), and irrespective of HPV DNA it was 50.1% (35.9, 61.4), 70.2% (54.7, 80.9), and 87.0% (54.9, 97.7). VE against 12-month persistent infection with HPV-16/18 was 89.9% (84.0, 94.0), and that against HPV-31/33/45/51 was 49.0% (34.7, 60.3). In conclusion, vaccinating adolescents before sexual debut has a substantial impact on the overall incidence of high-grade cervical abnormalities, and catch-up vaccination up to 18 years of age is most likely effective. (This study has been registered at ClinicalTrials.gov under registration no. NCT001226810.).
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