Metronidazole treatment for acute phase amoebic liver abscess in patients co-infected with HIV

K Ohnishi1, F Uchiyama-Nakamura

  • 1Department of Infectious Diseases, Tokyo Metropolitan Bokutoh General Hospital, Sumida City, Tokyo 130-8575, Japan. infection@bokutoh-hp.metro.tokyo.jp

Insights

Metronidazole effectively treats invasive amoebiasis in HIV-positive patients. Standard doses showed no adverse effects, and treatment success was independent of CD4 count or viral load.

Area of Science:

  • Infectious Diseases
  • Hepatology
  • HIV Medicine

Background:

  • Invasive amoebiasis requires prompt treatment, with metronidazole as the primary agent.
  • The optimal use of metronidazole in human immunodeficiency virus (HIV)-infected individuals with invasive amoebiasis remains unclear.
  • HIV infection can alter drug metabolism and treatment responses, necessitating specific considerations.

Purpose of the Study:

  • To evaluate the efficacy and safety of standard metronidazole dosing for invasive amoebiasis in HIV-positive patients.
  • To determine if HIV disease parameters, such as CD4 cell count or viral load, impact metronidazole treatment outcomes.

Main Methods:

  • A cohort of seven HIV-positive patients with acute amoebic liver abscess was studied.
  • Patients received oral metronidazole at 1500 mg daily for 10 days.
  • Clinical outcomes, need for abscess drainage, side effects, CD4 counts, and HIV viral loads were monitored.

Main Results:

  • Metronidazole treatment was successful in all seven patients.
  • No patients required surgical drainage of the liver abscess.
  • Metronidazole was well-tolerated, with no serious adverse events reported.
  • Treatment efficacy was not influenced by baseline CD4 cell counts or HIV viral load.

Conclusions:

  • Standard oral metronidazole therapy is effective and safe for treating invasive amoebiasis in HIV-positive individuals.
  • Dosage or duration adjustments for metronidazole are not necessary in this patient population.
  • HIV disease severity, as indicated by CD4 count or viral load, does not appear to affect treatment outcomes.

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