Successful treatment of relapsed acute promyelocytic leukemia with arsenic trioxide in a hemodialysis-dependent patient: A case report.
World J Clin Cases. 2020 Nov 06;8(21):5347-5352
Authors: Lee HJ, Park SG
Abstract
BACKGROUND: Arsenic trioxide (ATO) is recommended for patients who do not achieve molecular remission or who have molecular or morphologic relapse. However, there are no guidelines for adjusting ATO dosage in patients with severe renal failure or on dialysis. Herein, we report the successful treatment of relapsed acute promyelocytic leukemia (APL) in a patient on hemodialysis with ATO single agent and review the cases in literature.
CASE SUMMARY: A 46-year-old woman who has been on hemodialysis to chronic glomerulone-phritis for 15 years visited our hospital for pancytopenia. She had been seen for pancytopenia 3 years ago and had been diagnosed with APL. She also received chemotherapy for APL but unfortunately was lost to follow-up after her second consolidation chemotherapy. She was noted to have pancytopenia by her nephrologist during hemodialysis 1 mo ago. Bone marrow biopsy and reverse transcriptase-polymerase chain reaction (RT-PCR) tests revealed a diagnosis of relapsed APL. Treatment for relapsed APL with ATO single agent was started and she achieved molecular remission after administering 24 doses of ATO. Thus far, four consolidation therapies have been performed with the ATO single agent, and, to date, the molecular remission has been maintained as negative promyelocytic leukemia/retinoic acid receptor-α fusion gene as confirmed by RT-PCR testing for two years.
CONCLUSION: This is a rare case of relapsed APL successfully treated with the single agent ATO in a patient on hemodialysis.
PMID: 33269269 [PubMed]
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