Evaluation of an actinomycin-D-containing combination chemotherapy protocol with extended maintenance therapy for canine lymphoma

Cecile T. Siedlecki, Philip H Kass, Martin J. Jakubiak, Gillian Dank, Jarred Lyons, Michael S Kent

Research output: Contribution to journalArticle

29 Scopus citations

Abstract

In this retrospective study, a 6-drug (prednisone, L-asparaginase, vincristine, cyclophosphamide, doxorubicin, and actinomycin-D) chemotherapy protocol with extended maintenance for the treatment of lymphoma was evaluated for efficacy and toxicity in 39 dogs. The complete remission rate was 97%, with a median progression-free survival (PFS) of 331 d. The median overall survival (OS) was 461 d. Of the variables evaluated for prognostic significance, only immunophenotype and sex were found to be prognostic. Dogs with T-cell lymphoma had shorter PFS and OS than dogs with B-cell lymphoma. Castrated male dogs had a shorter PFS and OS than spayed female dogs. Although the majority of dogs experienced one or more episodes of chemotherapy associated toxicity, the majority of these episodes were mild and self-limiting. The results of this study warrant further investigation into the value of extended maintenance therapy and inclusion of actinomycin-D in combination chemotherapy protocols for canine lymphoma.

Original languageEnglish (US)
Pages (from-to)52-59
Number of pages8
JournalCanadian Veterinary Journal
Volume47
Issue number1
StatePublished - Jan 2006

ASJC Scopus subject areas

  • veterinary(all)

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