Cryptosporidiosis in children with acute lymphoblastic leukemia on maintenance chemotherapy

Carine Domenech1, Meja Rabodonirina, Nathalie Bleyzac

  • 1Service d'immuno-hématologie pédiatrique, Institut d'Hématologie et Oncologie Pédiatrique, Université Claude Bernard Lyon1, France. carine.halfon-domenech@chu-lyon.fr

Insights

Cryptosporidium causes severe diarrhea and high mortality in immunocompromised patients. This report details two pediatric cases of cryptosporidiosis during leukemia treatment, successfully managed by stopping immunosuppression and antiparasitic therapy.

Area of Science:

  • Pediatric Infectious Diseases
  • Onco-immunology

Background:

  • Cryptosporidium is a significant pathogen causing severe diarrhea and high mortality in immunocompromised individuals.
  • Patients undergoing chemotherapy for acute lymphoblastic leukemia (ALL) are particularly vulnerable due to profound immunosuppression.

Observation:

  • Two pediatric patients with ALL on maintenance chemotherapy developed severe cryptosporidiosis.
  • One patient also experienced cholangitis, a serious liver complication.

Findings:

  • Prompt withdrawal of immunosuppressive therapy combined with appropriate antiparasitic treatment led to the successful resolution of Cryptosporidium infection in both cases.
  • This highlights the importance of early diagnosis and intervention.

Implications:

  • Managing opportunistic infections like cryptosporidiosis is crucial in pediatric cancer patients undergoing chemotherapy.
  • Tailored treatment strategies involving immunosuppression management and antiparasitic drugs can improve outcomes.

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