2021
DOI: 10.1111/1346-8138.16061
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Dipeptidyl peptidase 4 inhibitor‐associated mucous membrane pemphigoid

Abstract: Dipeptidyl peptidase 4 inhibitors (DPP-4i) are associated with an increased risk of developing bullous pemphigoid (BP) in patients with diabetes. Autoantibodies targeting epitopes on the processed BP180, 120-kDa (LAD-1), and 97-kDa (LABD97) linear immunoglobulin (Ig)A dermatosis antigens are the major autoantibodies in DPP-4i-associated BP. However, no case of mucous membrane pemphigoid (MMP) developing during treatment with DPP-4i has been reported. We report a case of MMP associated with DPP-4i.

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Cited by 9 publications
(10 citation statements)
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“…MMP and BP both share the same immunity and are differentiated by clinical features such as more frequent mucous membrane lesions and scarring lesions in MMP. To the best of our knowledge, two cases of MMP induced by DPP-4 inhibitors have been reported, but no cases of gliptin-induced LABD could be found in the literature [ 12 , 14 ]. Vildagliptin seems to be the most probable gliptin to induce BP among DPP-4 inhibitors.…”
Section: Discussionmentioning
confidence: 99%
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“…MMP and BP both share the same immunity and are differentiated by clinical features such as more frequent mucous membrane lesions and scarring lesions in MMP. To the best of our knowledge, two cases of MMP induced by DPP-4 inhibitors have been reported, but no cases of gliptin-induced LABD could be found in the literature [ 12 , 14 ]. Vildagliptin seems to be the most probable gliptin to induce BP among DPP-4 inhibitors.…”
Section: Discussionmentioning
confidence: 99%
“…Autoantibodies mainly target the NC16a domain of BP180 in conventional BP. However, in BP and its subtypes that are induced by DPP-4 inhibitors, it is different, and autoantibodies also work against other domains of BP (e.g., LAD1) [ 14 , 15 ].…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The first cases of BP associated with DPP4is were reported in 2011, since then evidence supporting their association has increased [3,4,14,15,[25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40][41][42]. Although the pathophysiology is not fully yet understood, it is hypothesized that DPP4 is modify the immune response and/or alter the antigenic properties of the epidermal basement membrane resulting in bullous pemphigoid [43].…”
Section: Case Descriptionmentioning
confidence: 99%
“…In addition, the DPP-4i would decrease chemotaxis and T cell immunity that might trigger the autoimmune disease occurrence [ 49 ]. Nonetheless, we should be aware of the potential risk of DPP-4 inhibitors causing autoimmune diseases such as RA or bullous pemphigoid because there are case reports or incidents as mentioned above [ 51 , 52 , 53 ].…”
Section: Diabetes and Autoimmunity: Is There A Link Through Dpp-4?mentioning
confidence: 99%