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Int J STD AIDS. 2013 Sep;24(9):703-11. doi: 10.1177/0956462413480721. Epub 2013 Aug 28.

Enhanced therapy for primary and secondary syphilis: a longitudinal retrospective analysis of cure rates and associated factors.

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1
Department of Dermatology, Division of Immunology, Allergy and Infectious Diseases (DIAID), Medical University of Vienna, Vienna, Austria.

Abstract

For the treatment of early infectious syphilis, enhanced therapy with three dosages of benzathine penicillin G has been under consideration, particularly in the human immunodeficiency virus type 1 infected population (HIV-1). The serological outcome of 249 patients with primary and secondary syphilis treated with standard or enhanced therapy was analyzed retrospectively; 98% (139/142) achieved serological cure with a single dosage and 92% with enhanced therapy (P=0.033). In HIV-1 infected individuals, cure rates were 88% after a single dosage compared to 97% after three dosages (P=0.18). A fourfold decrease of Venereal Disease Research Laboratory (VDRL) titres was achieved within a median of 102 days after treatment initiation (SD=2; 95% CI=98-106). Patients aged over 40 years were 5.5 times (OR=5.52; 95% CI=1.43-21.32; P=0.013) and patients with low baseline VDRL titres (≤ 1:32) were 4 times (OR=4.25; 95% CI=1.21-14.87; P=0.024) more likely to experience serological failure.

KEYWORDS:

Europe; HIV; Syphilis (Treponema pallidum); Veneral Disease Research laboratory (VDRL) test; antibiotic; bacterial disease; benzathine penicillin G; serology; sexually transmitted infections; titre; treatment

PMID:
24026794
DOI:
10.1177/0956462413480721
[Indexed for MEDLINE]
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