PMID- 35429289 OWN - NLM STAT- MEDLINE DCOM- 20220524 LR - 20220602 IS - 1437-160X (Electronic) IS - 0172-8172 (Linking) VI - 42 IP - 6 DP - 2022 Jun TI - TNFalpha inhibitor biosimilars associated with alopecia areata. Case-based review. PG - 1113-1117 LID - 10.1007/s00296-022-05129-w [doi] AB - Alopecia areata (AA) is a common non-scaring hair loss associated with many inflammatory and autoimmune disorders. Anti-tumor necrosis factor alpha (TNFalpha) therapy is used to treat many chronic inflammatory disorders and has been proven to be effective and relatively safe. However, several immune-mediated skin reactions have been described with the use of TNFalpha inhibitors, among them AA. In this report, we describe two patients, a 32-year-old woman with ankylosing spondylitis and a 48-year-old man with rheumatoid arthritis who were both treated with SB4 (Benepali((R))), an etanercept biosimilar, and developed AA, 6 and 12 months respectively after the initiation of TNFalpha blocker biosimilar. These, are the first two cases of AA development during TNFalpha inhibitors biosimilar. Thus, physicians when dealing with patients treated with these agents, should be aware of possible immune skin reactions, among them AA. To this end, a close follow-up and monitoring is mandatory. CI - (c) 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature. FAU - Pelechas, E AU - Pelechas E AUID- ORCID: 0000-0002-9383-5722 AD - Rheumatology Clinic, Department of Internal Medicine, Medical School, University of Ioannina, 45110, Ioannina, Greece. FAU - Voulgari, P V AU - Voulgari PV AUID- ORCID: 0000-0002-5193-2284 AD - Rheumatology Clinic, Department of Internal Medicine, Medical School, University of Ioannina, 45110, Ioannina, Greece. FAU - Drosos, A A AU - Drosos AA AUID- ORCID: 0000-0002-2232-0326 AD - Rheumatology Clinic, Department of Internal Medicine, Medical School, University of Ioannina, 45110, Ioannina, Greece. adrosos@uoi.gr. LA - eng PT - Case Reports PT - Journal Article PT - Review DEP - 20220416 PL - Germany TA - Rheumatol Int JT - Rheumatology international JID - 8206885 RN - 0 (Biosimilar Pharmaceuticals) RN - 0 (Immunologic Factors) RN - 0 (Tumor Necrosis Factor-alpha) RN - OP401G7OJC (Etanercept) RN - Diffuse alopecia SB - IM MH - Adult MH - *Alopecia Areata/chemically induced/drug therapy MH - *Biosimilar Pharmaceuticals/adverse effects MH - Etanercept/adverse effects MH - Female MH - Humans MH - Immunologic Factors MH - Male MH - Middle Aged MH - Tumor Necrosis Factor-alpha OTO - NOTNLM OT - AS OT - Alopecia areata OT - Autoimmune skin reaction OT - RA OT - SB4 (Benepali) OT - TNFalpha inhibitors OT - TNFalpha inhibitors biosimilar EDAT- 2022/04/17 06:00 MHDA- 2022/05/25 06:00 CRDT- 2022/04/16 12:02 PHST- 2022/03/03 00:00 [received] PHST- 2022/03/29 00:00 [accepted] PHST- 2022/04/17 06:00 [pubmed] PHST- 2022/05/25 06:00 [medline] PHST- 2022/04/16 12:02 [entrez] AID - 10.1007/s00296-022-05129-w [pii] AID - 10.1007/s00296-022-05129-w [doi] PST - ppublish SO - Rheumatol Int. 2022 Jun;42(6):1113-1117. doi: 10.1007/s00296-022-05129-w. Epub 2022 Apr 16.