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Keywords:

  • canine;
  • chemotherapy;
  • lymphoma;
  • melphalan;
  • rescue

Abstract

Eighty-eight dogs with relapsed lymphoma were treated with the MOMP (mechlorethamine, vincristine, melphalan and prednisone) protocol on a 28-day treatment cycle. The overall response rate (ORR) to the MOMP protocol was 51.1% for a median of 56 days (range 7–858 days). Twelve percent of dogs experienced a complete response for a median of 81 days (range 42–274 days) and 38.6% experienced a partial response for a median of 49 days (range 7–858 days). Dogs with T-cell lymphoma had an ORR of 55% for a median of 60 days (range 49–858 days) while those with B-cell lymphoma had an ORR of 57% for a median of 81 days (range 7–274 days) (P = 0.783). The overall survival time for all dogs was 183 days (range 17–974 days). Fifty-four percent of dogs experienced toxicity with the majority classified as grade I. The MOMP protocol seems well-tolerated and is an option for dogs with relapsed lymphoma.