Syphilis and human immunodeficiency virus (HIV)-1 coinfection: influence on CD4 T-cell count, HIV-1 viral load, and treatment response

Kristian Kofoed, Jan Gerstoft, Lars R Mathiesen, Thomas Benfield

146 Citations (Scopus)

Abstract

OBJECTIVES: To assess the effect of human immunodeficiency virus (HIV)-1 and syphilis coinfection on HIV-ribonucleic acid (RNA) viral load, CD4 cell count, and the response in rapid plasmin reagin (RPR) to treatment of the syphilis infection.

STUDY DESIGN: Cases of syphilis diagnosed during 1 year in HIV-infected patients in Copenhagen were included. HIV-RNA, CD4 cell counts, and RPR-serology were measured before, during, and after syphilis.

RESULTS: Forty-one patients were included. CD4 cell count decreased significantly during infection in patients with primary and secondary stages of syphilis (mean 106 cells/mm, P = 0.03). Treatment of syphilis was associated with an increase in the CD4 cell count and a decrease in HIV-RNA in the overall group (mean 66 cells/mm and -0.261 RNA log10 copies/ml, P = 0.02 and 0.04). The serological response rates for 15 patients treated with penicillin and 25 treated with doxycycline were the same.

CONCLUSION: Syphilis was associated with a decrease in CD4 cell counts and an increase in HIV-RNA levels that both improved after treatment of syphilis.

Original languageEnglish
JournalSexually Transmitted Diseases
Volume33
Issue number3
Pages (from-to)143-8
Number of pages6
ISSN0148-5717
DOIs
Publication statusPublished - Mar 2006
Externally publishedYes

Keywords

  • Adult
  • Anti-Bacterial Agents/therapeutic use
  • Anti-HIV Agents/therapeutic use
  • CD4 Lymphocyte Count
  • Denmark/epidemiology
  • Doxycycline/therapeutic use
  • Female
  • HIV Infections/complications
  • HIV-1/physiology
  • Humans
  • Male
  • Middle Aged
  • Penicillins/therapeutic use
  • RNA, Viral/blood
  • Reagins/blood
  • Syphilis/complications
  • Treatment Outcome
  • Viral Load

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