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Autor Leon, S. R. |
Documentos disponibles escritos por este autor (7)
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Kojima, N. ; Siebert, J. C. ; Maecker, H. ; Rosenberg-Hasson, Y. ; Leon, S. R. ; Vargas, S. K. ; Konda, K. A. ; Caceres, C. F. ; Klausner, J. D. | BMC | 2019-12-06T20:57:50ZBACKGROUND: Current syphilis tests cannot distinguish between active and past syphilis among patients with serofast rapid plasma reagin (RPR) titers. We investigated whether cytokine profiles might provide insight in the differentiation of activ[...]texto impreso
Kojima, N. ; Siebert, J. C. ; Maecker, H. ; Rosenberg-Hasson, Y. ; Leon, S. R. ; Vargas, S. K. ; Konda, K. A. ; Caceres, C. F. ; Klausner, J. D. | BMC | 2019-07-04T16:59:27ZBackground. Current syphilis tests cannot distinguish between active and past syphilis among patients with serofast rapid plasma reagin (RPR) titers. We investigated whether cytokine profiles might provide insight in the differentiation of activ[...]texto impreso
Herrera, M. C. ; Konda, K. A. ; Leon, S. R. ; Brown, B. ; Calvo, G. M. ; Salvatierra, H. J. ; Caceres, C. F. ; Klausner, J. D. ; Deiss, R. | Springer | 2019-01-25T15:18:33ZAlcohol abuse can influence sexual risk behavior; however, its measurement is not straightforward. This study compared self-reported alcohol use, via the AUDIT and CAGE, with levels of phosphatidylethanol (Peth), a phospholipid biomarker that fo[...]texto impreso
Herrera, M. C. ; Konda, K. A. ; Leon, S. R. ; Deiss, R. ; Brown, B. ; Calvo, G. M. ; Salvatierra, H. J. ; Caceres, C. F. ; Klausner, J. D. | Elsevier | 2019-02-06T14:45:35ZBACKGROUND: Alcohol use disorders (AUDs) may enhance the likelihood of risky sexual behaviors and the acquisition of sexually transmitted infections (STIs). Associations between AUDs with condomless anal intercourse (CAI) and STI/HIV prevalence [...]texto impreso
Laboratory Evaluation of a Dual-Path Platform Assay for Rapid Point-of-Care HIV and Syphilis Testing
Leon, S. R. ; Ramos, L. B. ; Vargas, S. K. ; Kojima, N. ; Perez, D. G. ; Caceres, C. F. ; Klausner, J. D. | American Society for Microbiology | 2019-02-06T14:52:38ZWe assessed the laboratory performance of the Chembio dual-path platformtexto impreso
Kojima, N. ; Siebert, J. C. ; Maecker, H. ; Rosenberg-Hasson, Y. ; Leon, S. R. ; Vargas, S. K. ; Konda, K. A. ; Caceres, C. F. ; Klausner, J. D. | Oxford University Press | 2020-07-14T00:02:30ZTo investigate the role of serum cytokine assays to distinguish between active from treated syphilis among serofast patients, we recruited individuals into a prospective cohort study. Participants underwent routine syphilis screening. We selecte[...]texto impreso
Vargas, S. K. ; Konda, K. A. ; Leon, S. R. ; Brown, B. ; Klausner, J. D. ; Lindan, C. ; Caceres, C. F. | Springer | 2018-11-30T23:41:30ZHIV infections in Peru are concentrated among men who have sex with men (MSM) and transgender women (TW). HIV testing rates among them remain low, delaying entrance into care. We assessed the prevalence of frequent HIV testing (at least every 6 [...]