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Prime-boost vaccination strategy in women with high-grade, noncervical anogenital intraepithelial neoplasia: clinical results from a multicenter phase II trial

Fiander, Alison Nina, Tristram, Amanda Jane, Davidson, E. J., Tomlinson, A. E., Man, Stephen Tzekwung, Baldwin, P. J., Sterling, J. C. and Kitchener, H. C. 2006. Prime-boost vaccination strategy in women with high-grade, noncervical anogenital intraepithelial neoplasia: clinical results from a multicenter phase II trial. International Journal of Gynecological Cancer 16 (3) , pp. 1075-1081. 10.1111/j.1525-1438.2006.00598.x

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Abstract

The objective of this study was to determine the clinical effectiveness of a prime-boost human papillomavirus (HPV) vaccine regimen. A nonrandomized phase II prime-boost vaccine trial was conducted. Women with biopsy-proven anogenital intraepithelial neoplasia (AGIN) 3 were vaccinated with three doses of a recombinant fusion protein comprising HPV 16, E6/E7/L2 (TA-CIN) followed by one dose of a recombinant vaccinia virus encoding HPV 16 and 18 E6/E7 (TA-HPV). Clinical responses were evaluated by serial photographs, symptomatology, and biopsies before and after vaccination. Twenty-nine women were vaccinated; 27 with vulval intraepithelial neoplasia 3 and 2 with vaginal intraepithelial neoplasia grade 3. Clinical responses were seen in five women (17%), with one complete and five partial responses. Fifteen women (62%) had symptomatic improvement. No serious adverse effects were recorded. This is the first trial of a prime-boost vaccination regimen using heterologous HPV vaccines (TA-CIN followed by TA-HPV) in the management of AGIN. Since the prime-boost approach in this cohort offered no significant advantages over single TA-HPV vaccination, there are no further studies planned using this protocol. Future studies are warranted to define responders to immunotherapy.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Subjects: R Medicine > R Medicine (General)
R Medicine > RZ Other systems of medicine
Publisher: Lippincott, Williams & Wilkins
ISSN: 1048-891X
Last Modified: 31 Jan 2020 06:48
URI: http://orca.cf.ac.uk/id/eprint/67552

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