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Evidence-Based Medicine 2007;12:168; doi:10.1136/ebm.12.6.168
Copyright © 2007 by the BMJ Publishing Group Ltd.

THERAPEUTICS

Review: vaccines against human papillomavirus prevent cervical cancer precursors in young women for at least 3 years

Do vaccines against human papillomavirus (HPV) prevent HPV 16/18 related cervical intraepithelial neoplasia grade 2 or 3 (CIN 2/3) and adenocarcinoma in situ (AIS) in young women?

The first 150 words of the full text of this article appear below.

Ault KA, for the Future II Study Group. Effect of prophylactic human papillomavirus L1 virus-like-particle vaccine on risk of cervical intraepithelial neoplasia grade 2, grade 3, and adenocarcinoma in situ: a combined analysis of four randomised clinical trials. Lancet 2007;369:1861–8.

Clinical impact ratings GP/FP/Primary care ******* Gynaecology ******* Public health *******


METHODS

Formula Design:

prespecified combined analysis of 4 randomised controlled trials.

Formula Allocation:

concealed.*

Formula Blinding:

blinded (clinicians, participants, outcome assessors, and adjudication committee).*

Formula Follow-up period:

mean 3 years (maximum 4 y). Follow-up started on day 1 in the intention-to-treat and susceptible populations and 1 month after the third dose of vaccine in the per protocol population.

Formula Setting:

clinics in North America, Latin America, Europe, and the Asia Pacific region.

Formula Participants:

20 583 healthy, non-pregnant women 16–26 years of age (mean 20 y) with no history of abnormal results on cervical cytological testing. Women with >4–5 lifetime sex partners were excluded.

Formula Intervention:

monovalent HPV 16 (n = 1204) or quadrivalent HPV 6/11/16/18 . . . [Full text of this article]

Joy Melnikow, MD MPH

University of California, Davis, Sacramento, California, USA


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