MSM : Ignoring design and continuing to shine.

 

 

BMC Infect Dis. 2013 Sep 10;13:426. doi: 10.1186/1471-2334-13-426.
Characterizing the syphilis epidemic among men who have sex with men in Lima, Peru to identify new treatment and control strategies.
Deiss RG1, Leon SR, Konda KA, Brown B, Segura ER, Galea JT, Caceres CF, Klausner JD.
Author information
Abstract
BACKGROUND:
Syphilis is an important sexually transmitted infection (STI) with serious public health consequences. Among men who have sex with men (MSM) in Lima, the prevalence and incidence are extraordinarily high. Current syndromic approaches, however, fail to identify asymptomatic cases, and in settings where large proportions of individuals test positive again after treatment, it is frequently difficult to distinguish treatment failure from re-infection. Thus, new approaches are needed to improve treatment strategies and public health control efforts.
METHODS/DESIGN:
Study participants will undergo baseline testing for syphilis infection along with a behavioral survey covering demographics, sexual behavior, drug and alcohol abuse and health-care seeking behavior. The cohort will be followed for 18 months at three-month intervals. Blood and earlobe scrapings will also be collected for T. pallidum DNA testing, to create molecular markers for subtyping. We will also perform cytokine testing on collected samples in order to create host immunologic profiles associated with recurrence, re-infection, treatment failure and success.
DISCUSSION:
Advances in social epidemiology, molecular typing and characterization of host immune responses will offer promise in developing new understandings of syphilis management. We will share our findings with the Peruvian Ministry of Health and other public health organizations, to identify new approaches of case detection and successful treatment.

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