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Intern Med. 2003 Jan;42(1):41-3.

Single low-dose treatment with praziquantel for Diphyllobothrium nihonkaiense infections.

Author information

1
Department of Infectious Diseases, Tokyo Metropolitan Bokutoh General Hospital, 4-23-15 Kohtohbashi, Sumida City, Tokyo 130-8575.

Abstract

OBJECTIVE:

To investigate whether praziquantel is effective against diphyllobothriasis nihonkaiense at doses less than the conventional dose.

PATIENTS AND METHODS:

Fourteen Japanese men with diphyllobopthriasis nihonkaiense were treated with a single administration of praziquantel at 5-10 mg/kg.

RESULTS:

Twelve patients expelled a complete integrated Diphyllobothrium nihonkaiense with its scolex. One patient expelled an integrated D. nihonkaiense without its scolex, and one patient expelled 2 complete integrated D. nihonkaiense with their scolex, and an integrated D. nihonkaiense without its scolex. The lack of eggs in stool samples was confirmed in these 2 patients after the end of therapy. All patients had not expelled proglottides after the end of therapy for more than 1 year. No side effects were identified in any of the patients.

CONCLUSION:

All patients were considered to be cured. Our results indicate that the oral administration of a single dose of praziquantel at 5-10 mg/kg is effective and safe against D. nihonkaiense infections.

PMID:
12583616
DOI:
10.2169/internalmedicine.42.41
[Indexed for MEDLINE]
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