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Article Dans Une Revue British Journal of Clinical Pharmacology Année : 2023

Lactic acidosis after allogeneic haematopoietic stem cell transplantation potentially related to letermovir

Résumé

A 53-year-old woman with a history of acute myeloid leukaemia received a second allogeneic haematopoietic stem cell transplant and was prescribed, among other medications, acyclovir and letermovir (480-mg daily oral dose) for prophylaxis of, respectively, herpes simplex and cytomegalovirus infection. The patient was admitted in the intensive care unit for dyspnoea and oliguria. Laboratory investigations revealed acute kidney injury but also a severe and progressive lactic acidosis. Liver function tests were within normal range. The combination of lactic acidosis, hypoglycaemia and acylcarnitine profile in plasma raised the suspicion of mitochondrial toxicity. Letermovir therapy was interrupted, and determination of plasma letermovir pharmacokinetics revealed a prolonged terminal half-life (38.7 h) that was not significantly influenced by continuous venovenous haemofiltration. Exploration for genetic polymorphisms revealed that the patient was SLCO1B1*5/*15 (c.521T>C homozygous carrier and c.388A>G heterozygous carrier) with a predicted nonfunctional organic anion transporting polypeptide 1B1 protein. The relationship between letermovir accumulation and development of lactic acidosis requires further observations.
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Dates et versions

hal-04040757 , version 1 (24-03-2023)

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Paternité - Pas d'utilisation commerciale

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Bérénice Manczak, Marie-Clémence Verdier, Joseph P Dewulf, Florian Lemaitre, Vincent Haufroid, et al.. Lactic acidosis after allogeneic haematopoietic stem cell transplantation potentially related to letermovir. British Journal of Clinical Pharmacology, 2023, ⟨10.1111/bcp.15686⟩. ⟨hal-04040757⟩
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