Ileus induced by the combination of vinca alkaloids and posaconazole in a patient with acute lymphoblastic leukemia: a case report and literature review.

Vinca alkaloid (VA)-induced ileus, a rare but severe autonomic neuropathy, can be enhanced by concomitant use of antifungal triazole agents. We herein present a case of VA-induced ileus in a 17-year-old girl who was diagnosed with B-cell acute lymphoblastic leukemia. On day 1, the patient received cyclophosphamide, vincristine, and methylprednisolone. On day 2, she began treatment with posaconazole oral suspension at 200 mg three times daily for prophylaxis against invasive fungal infection. On day 5, she began induction therapy consisting of vindesine, methylprednisolone, daunorubicin, and cyclophosphamide. The patient developed severe abdominal pain with marked constipation on day 11 and was diagnosed with incomplete ileus. After switching the antifungal agent to micafungin, performing gastrointestinal decompression, administering parenteral nutrition, and omitting the fourth dose of vindesine, the ileus symptoms were relieved. This case emphasizes the potential interaction between VAs and posaconazole. We also herein present a review of the literature on ileus caused by the combination of VAs and antifungal triazole agents. In clinical practice, physicians and pharmacists should be aware of the possibility of ileus caused by the use of VAs in combination with posaconazole. It is important to reduce complications during chemotherapy to improve patients' prognosis.

Citation

Yue Li, Yin-Hua Gong, Ming-Feng Zhao, Xia Xiao, Xiao-Chen Wei. Ileus induced by the combination of vinca alkaloids and posaconazole in a patient with acute lymphoblastic leukemia: a case report and literature review. The Journal of international medical research. 2023 Aug;51(8):3000605231193823

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PMID: 37622457

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