Recombinant human interferon- for condylomata acuminata: a randomized, double-blind, placebo-controlled study of intralesional therapy

Author:

Bornstein Jacob,Pascal Bruno,Zarfati Doron,Goldschmid Nimrod,Abramovici Haim

Abstract

To assess the efficacy of a novel glycosylated mammalian cell derived recombinant human interferon- (r-hIFN--1a) in the intralesional treatment of genital condylomata acuminata. The study was randomized, double-blind and placebo-controlled. Patients ( n =60) with up to 8 distinct condylomata acuminata were randomized to receive either one million international units (IU) of r-hIFN--1a or placebo intralesionally into each lesion, 3 times a week, for a total of 9 occasions. Biopsies were taken from each patient before enrolment to allow human papillomavirus (HPV) testing, and patients were tested for the development of anti-IFN- antibodies. Efficacy was assessed by measuring the complete response rate 3 months after treatment. The complete response rate was not significantly better with r-hIFN--1a than with placebo. However, after 3 months, 73.3% of patients treated with r-hIFN--1a had experienced at least a partial response to treatment, compared with 33.3% of placebo-treated patients. At 19 days and 6 weeks, r-hIFN--1a produced a significantly larger reduction in the area of condylomata. Lesions with detectable HPV 6 or 11 showed a trend towards a better response rate to treatment with rhIFN--1a than lesions where no HPV DNA was detected. The treatment was well tolerated. In the 5 patients who developed non-neutralizing anti-IFN- antibodies, therapeutic efficacy was not compromised. Intralesional r-hIFN--1a was effective in the reduction of the size of genital condylomata acuminata.

Publisher

SAGE Publications

Subject

Infectious Diseases,Pharmacology (medical),Public Health, Environmental and Occupational Health,Dermatology

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