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Related Experiment Videos

Is syphilis an incurable disease?

R C Ghinsberg1, Y Nitzan

  • 1Rappaport National Reference Center for Treponematoses and Sexually Transmitted Diseases, Public Health Laboratory, Tel Aviv, Israel.

Medical Hypotheses
|September 1, 1992
PubMed
Summary

Treponeme-like structures persist after syphilis treatment, questioning complete cure. This suggests slowly dividing bacteria may survive penicillin, potentially leading to relapse and CNS damage.

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Area of Science:

  • Infectious Diseases
  • Microbiology
  • Neurology

Background:

  • Morphologically treponeme-like structures are observed in patients with latent or late latent syphilis, including those previously treated.
  • These structures are detected in blood and spinal fluid (SF) of asymptomatic individuals, irrespective of serological test results.
  • Treponemes are found in the eye, both in active disease and quiescent states ('quiet eye').

Purpose of the Study:

  • To investigate the persistence of treponemes after penicillin treatment for syphilis.
  • To determine if surviving treponemes are viable and virulent.
  • To address the question of whether syphilis is completely curable with penicillin treatment.

Main Methods:

  • Morphological examination of treponeme-like structures in patient samples (blood, SF, eye).
  • Analysis of serological test results and clinical observations in treated syphilis cases.
  • Review of experimental evidence on antibody production and antigen persistence post-treatment.

Main Results:

  • Treponeme-like structures are found in various patient groups, including those treated for syphilis.
  • Persistence of treponemes post-treatment raises questions about complete eradication.
  • Recent reports describe relapsing neurosyphilis after penicillin therapy.

Conclusions:

  • Slowly dividing treponemes may evade penicillin's effects, persisting in the body.
  • The persistence of living treponemes challenges the notion of complete syphilis cure with penicillin.
  • Early detection and prompt penicillin administration are crucial to prevent neurosyphilis relapse and CNS damage.

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