Key result
Cumulative multi-agent anthracycline exposure leads to dilated cardiomyopathy in a canine lymphoma case.
Why the study?
Does treatment with multiple anthracyclines cause cardiomyopathy in dogs with lymphoma?
Case Report (n=1)
Does treatment with multiple anthracyclines cause cardiomyopathy in dogs with lymphoma?
This case report highlights the risk of anthracycline-induced dilated cardiomyopathy in dogs treated with multiple anthracycline agents for lymphoma.
Sequential anthracyclines may raise cardiomyopathy risk in canine lymphoma; this Level 5 case leaves open causality and generalizability.
Background: Canine lymphoma is one of the most frequently occurring malignant neoplasms in dogs. Anthracycline-based chemotherapy for the treatment of canine lymphoma is very effective; however, there is not enough evidence for the development of cardiac toxicity using several anthracyclines as chemotherapeutic agents. Case Description: An 8-year-old, castrated, mixed-breed dog was diagnosed with multicentric lymphoma and received multi-agent chemotherapy. Complete remission was achieved, but the patient had a relapse of lymphoma. After third-line chemotherapy with epirubicin, the patient was diagnosed with dilated cardiomyopathy. The total cumulative doses of doxorubicin, mitoxantrone, and epirubicin were 125, 8, and 125 mg/m2, respectively. Although the patient was treated with cardiac drugs and clinically stabilized, the patient had a relapse of lymphoma and died shortly after the diagnosis of cardiomyopathy. Conclusion: The patient was suspected to have anthracycline-induced cardiomyopathy. Further studies are required to establish prevention and management strategies for dogs receiving potentially cardiotoxic therapies, such as anthracyclines.
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Tagawa et al. (2021) conducted a case report in Multicentric lymphoma (n=1). Anthracyclines (doxorubicin, mitoxantrone, epirubicin) was evaluated on Dilated cardiomyopathy. An 8-year-old dog with multicentric lymphoma developed dilated cardiomyopathy after receiving cumulative doses of multiple anthracyclines.
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