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Antivenom therapy for snakebites in children: is there evidence?

James M Schmidt1

  • 1Division of Emergency Medicine, Department of Pediatrics, Eastern Virginia Medical School, Norfolk, Virginia 23507, USA. schmidjm@chkd.org

Current Opinion in Pediatrics
|April 1, 2005
PubMed

Insights

CroFab, a new Fab fragment antivenom, effectively treats crotaline envenomation in both adults and children. While generally safe, recurrent toxicity and hypersensitivity reactions are noted, requiring further study for optimal pediatric use.

Area of Science:

  • Toxicology
  • Pharmacology
  • Emergency Medicine

Background:

  • Crotaline envenomation is the primary cause of venomous snakebites in the U.S.
  • CroFab (Fab antivenom) was introduced in December 2000, significantly impacting snakebite management.
  • Pediatric snakebite victims present unique challenges in treatment and management.

Purpose of the Study:

  • To review the evidence supporting CroFab use in treating crotaline envenomation.
  • To specifically evaluate the efficacy and safety of CroFab in pediatric patients.
  • To assess the impact of CroFab on current snakebite management protocols.

Main Methods:

  • Systematic review of published literature on CroFab.
  • Analysis of clinical trials and case reports involving CroFab.
  • Examination of data focusing on pediatric outcomes and adverse events.

Main Results:

  • CroFab demonstrated high efficacy in resolving local and systemic effects of crotaline envenomation.
  • Recurrent or delayed toxicity was observed in a subset of patients treated with CroFab.
  • The antivenom showed a low incidence of hypersensitivity reactions and comparable safety/efficacy in pediatric populations.

Conclusions:

  • CroFab is a safe and effective antivenom for both pediatric and adult crotaline envenomation based on current data.
  • Further research is necessary to fully elucidate CroFab's indications, optimal dosing, and long-term safety profile.
  • Continued investigation into recurrent toxicity and hypersensitivity is crucial for refining treatment strategies.
Abstract

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