Gefitinib induced Pemphigus Vulgaris with PRIDE complex.

Introduction: Pemphigus Vulgaris is a rare, noncommunicable, non-hereditary fatal autoimmune dermatological manifestation in which a painful blister initiates from the oral cavity. PRIDE complex stands for Papulopustules or paronychia, regulatory abnormality of hair and nails, itching, and dryness due to inhibition of EGFR. Both of these mucocutaneous manifestations are rare and are often caused by drugs. Case report: Our case reports 53-year-old patient presented with multiple crusted plaques, multiple hyperpigmented macules to patches, Solitary fluid-filled lesions on several parts of the body, and numerous erosions positive over buccal mucosa on initial follow up which was diagnosed as Pemphigus Vulgaris with PRIDE complex induced by Gefitinib. Management and outcome: The patient was treated with almost all possible treatment options, i.e., both steroids plus adjuvant therapy for pemphigus and antihistaminic, antibiotics, moisturizer, and lotions for PRIDE complex. The patient was initially admitted for infusion of the first dose of rituximab and later for management of flare-up condition and infusion of the second dose of rituximab infusion. Discussion: The complexity of the management of Pemphigus Vulgaris and PRIDE complex demands adequate monitoring of the patient's anti-cancerous therapy by clinical pharmacists, which can impact the clinical outcomes by providing pharmaceutical care and minimize the economic burden.

Citation

Raushan Kumar Chaudhary, Ramesh Bhandari, Bhavana Doshi, Satish S Karoli, Sowmya Spoorthi Marripalli, M S Ganachari. Gefitinib induced Pemphigus Vulgaris with PRIDE complex. Journal of oncology pharmacy practice : official publication of the International Society of Oncology Pharmacy Practitioners. 2022 Sep;28(6):1465-1473

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PMID: 35102778

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