Nineteen cats with relapsed high-grade/large-cell lymphoma were treated with dexamethasone, melphalan, actinomycin-D and cytarabine (DMAC). All cats had received Cyclophosphamide, Vincristine, Prednisolone (COP) as first-line chemotherapy and most cats had received at least 2 prior rescue agents with 14 of 19 having received both epirubicin and lomustine. Five cats (26%) exhibited a response (defined as an improvement or resolution of tumour-associated clinical signs/tumour volume, or complete/partial response) to chemotherapy though no patients received more than 2 cycles of DMAC. Most cats tolerated the protocol well though 3 patients exhibited Veterinary Cooperative Oncology Group (VCOG) grade 4 neutropenia and 1 patient exhibited grade 4 thrombocytopenia. The median progression-free survival and overall survival from starting DMAC were 14 and 17 days respectively. There is still an unmet need for successful rescue chemotherapy protocol for cats with relapsed lymphoma.

A dexamethasone, melphalan, actinomycin-D and cytarabine chemotherapy protocol as a rescue treatment for feline lymphoma

Riccardo Finotello
2018-01-01

Abstract

Nineteen cats with relapsed high-grade/large-cell lymphoma were treated with dexamethasone, melphalan, actinomycin-D and cytarabine (DMAC). All cats had received Cyclophosphamide, Vincristine, Prednisolone (COP) as first-line chemotherapy and most cats had received at least 2 prior rescue agents with 14 of 19 having received both epirubicin and lomustine. Five cats (26%) exhibited a response (defined as an improvement or resolution of tumour-associated clinical signs/tumour volume, or complete/partial response) to chemotherapy though no patients received more than 2 cycles of DMAC. Most cats tolerated the protocol well though 3 patients exhibited Veterinary Cooperative Oncology Group (VCOG) grade 4 neutropenia and 1 patient exhibited grade 4 thrombocytopenia. The median progression-free survival and overall survival from starting DMAC were 14 and 17 days respectively. There is still an unmet need for successful rescue chemotherapy protocol for cats with relapsed lymphoma.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11586/427692
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