Cutaneous Mucormycosis Following a Bullous Pemphigoid Flare in a Chronic Lymphocytic Leukemia Patient on Ibrutinib

Matthew K. Stein, Saradasri Karri, Jackson Reynolds, Jeff Owsley, Austin Wise, Mike G. Martin, Fereshteh Zare

Abstract


While the recent development of novel therapeutics in oncology, such as small molecule kinase inhibitors (SMKIs), has enabled our ability to target disease-specific molecular pathways, the prolonged impact of these agents on the immune system and infectious risk remains to be seen. We present a 68-year-old male with refractory chronic lymphocytic leukemia (CLL) on ibrutinib monotherapy for 3 years who developed extensive cutaneous mucormycosis following a severe bullous pemphigoid (BP) flare. He received amphotericin B for 4 weeks and was continued on posaconazole with resolution of his mucormycosis infection. Consistent with a growing evidence of literature identifying opportunistic fungal infections in patients on ibrutinib therapy, providers should be cognizant of medical comorbidities that may predispose to such infections and explore methods of prevention before starting ibrutinib and other SMKIs.




World J Oncol. 2018;9(2):62-65
doi: https://doi.org/10.14740/wjon1099w


Keywords


Ibrutinib; CLL; Mucormycosis; Small molecular kinase inhibitors; Fungal infection; Bullous pemphigoid

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