Publications by authors named "Philippe Gerhardt"

Two major Treponema pallidum subtypes, 14 d/g and 14 d/f, were identified in a population of 119 patients with syphilis in Paris, France, characterized by a high proportion of men who have sex with men. A new subtype named 11 q/j was characterized, and a reinfection case was determined in 1 patient having consecuitve syphilis infection at 19-month interval.

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There is a lack of large studies appraising the effect of the human immunodeficiency virus (HIV) on the course of syphilis since the advent of highly active antiretroviral therapy (HAART). We aimed to appraise the effect of HIV on clinical and serologic features of syphilis at baseline and during follow-up in the post-HAART era.We designed a retrospective cohort study of consecutive syphilis cases, diagnosed between 2000 and 2007, in an academic venereal disease center.

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Quinolone-resistant Neisseria gonorrhoeae rates have increased worldwide since 1994. The objective of this study was to appraise: (i) the antimicrobial susceptibility of Neisseria gonorrhoeae in a venereology clinic in Paris, between 2005 and 2007; and (ii) the factors associated with quinolone-resistant N. gonorrhoeae.

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Since 2000, the incidence of syphilis has risen in developed countries. An updated knowledge of syphilis features is the key for early diagnosis and treatment. Our objective was to appraise the clinical and epidemiological presentation of syphilis in Paris, France.

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Epidemiological aspects of syphilis in Western countries have undergone a significant change with respect to the number of cases. Detection of Treponema pallidum is difficult, and the correct diagnosis of secondary syphilis can be critical. In this study, biopsy samples from skin lesions of 12 patients with secondary syphilis were used.

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Detection and quantification of Mycoplasma genitalium were evaluated in 83 patients with urethritis (group 1), 60 patients with urethral symptoms but no urethritis (group 2), and 50 asymptomatic men (group 3). Quantification of M. genitalium was carried out using real-time polymerase chain reaction (PCR) analysis of first-pass urine samples.

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