A retrospective multicentric cohort study of checkpoint inhibitors-induced pruritus with focus on management

Limited data on immune checkpoint inhibitor (ICI)-induced pruritus per se and efficacy of different therapeutic modalities in its management exist. To study the quantitative and qualitative characteristics of ICI-induced pruritus per se and to assess the efficacy of the therapeutic modalities usuall...

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Published in:Photodermatology, photoimmunology & photomedicine photoimmunology & photomedicine, 2023-09, Vol.39 (5), p.506-511
Main Authors: Papageorgiou, Chryssoula, Lazaridou, Elizabeth, Lallas, Konstantinos, Papaioannou, Kyparissos, Nikolaou, Vasiliki, Mateeva, Valeria, Efthymiadis, Konstantinos, Koukoutzeli, Chrysanthi, Loga, Konstantia, Sogka, Eleni, Karamitrousis, Evangelos, Lazaridis, George, Dionysopoulos, Dimitrios, Lallas, Aimilios, Kemanetzi, Christina, Fotiadou, Christina, Timotheadou, Eleni, Apalla, Zoe
Format: Article
Language:English
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Summary:Limited data on immune checkpoint inhibitor (ICI)-induced pruritus per se and efficacy of different therapeutic modalities in its management exist. To study the quantitative and qualitative characteristics of ICI-induced pruritus per se and to assess the efficacy of the therapeutic modalities usually applied. We retrospectively reviewed the records of 91 patients who were under treatment with ICIs for any kind of neoplasia and developed pruritus during treatment. Twenty out of 91 individuals (22.0%) with ICI-induced pruritus had pruritus as the only symptom, while 71/91 (78.0%) presented with pruritus coexisting with an additional cutaneous toxicity. Pruritus was treated with antihistamines (18/20, 90.0%) and/or topical regimens, as first-line choice. In resistant cases, as a second therapeutic intervention, narrow-band UVB (NBUVB), oral steroids and GABA analogs were added (70.0%). Statistical analysis revealed a significant difference in mean pruritus Numerical Rating Scale (NRS) scores between baseline and sequential visits. Moreover, subgroup analysis revealed a significant reduction in mean NRS scores in those treated with phototherapy. Retrospective design, low number of patients and survivorship bias. Pruritus per se was present in a substantial portion of our cohort (22.0%). Our study confirms the efficacy of current treatment strategies and suggests NBUVB as a potential steroid-sparing therapeutic alternative.
ISSN:0905-4383
1600-0781
1600-0781
DOI:10.1111/phpp.12892