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Lee IWZ, Baikunje S, Tan PH, Guo W. Case report: Crescentic IgA nephropathy with anti-neutrophil cytoplasmic antibodies, in a patient on golimumab. Int J Rheum Dis 2024; 27:e15330. [PMID: 39239851 DOI: 10.1111/1756-185x.15330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Revised: 08/17/2024] [Accepted: 08/25/2024] [Indexed: 09/07/2024]
Affiliation(s)
- Ivan Wei Zhen Lee
- Department of Renal Medicine, Sengkang General Hospital, Singapore, Singapore
| | - Shashidhar Baikunje
- Department of Renal Medicine, Sengkang General Hospital, Singapore, Singapore
| | | | - Weiwen Guo
- Department of Renal Medicine, Sengkang General Hospital, Singapore, Singapore
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2
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Tamura H. IgA nephropathy associated with Crohn's disease. World J Methodol 2023; 13:67-78. [PMID: 37456980 PMCID: PMC10348078 DOI: 10.5662/wjm.v13.i3.67] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 04/16/2023] [Accepted: 05/12/2023] [Indexed: 06/20/2023] Open
Abstract
The relationship between IgA nephropathy (IgAN) and Crohn’s disease was reported. IgAN is the most common primary glomerulonephritis and one of the leading causes of chronic kidney disease and end-stage renal failure, and up to 50% of cases progressed to end-stage renal disease within 25 years after IgAN diagnosis. However, specific and effective therapeutic strategies are still lacking. In this review, we discuss the possibility of the mechanism involved in IgAN associated with Crohn’s disease based on the findings of basic and clinical studies. Although the etiology of IgAN associated with Crohn’s disease is not permanent and various factors are thought to be involved, the stabilization of the disease condition of Crohn’s disease is believed to help treat IgAN.
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Affiliation(s)
- Hiroshi Tamura
- Department of Pediatrics, Kumamoto University, Kumamoto 8608556, Japan
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Tota M, Baron V, Musial K, Derrough B, Konieczny A, Krajewska M, Turkmen K, Kusztal M. Secondary IgA Nephropathy and IgA-Associated Nephropathy: A Systematic Review of Case Reports. J Clin Med 2023; 12:jcm12072726. [PMID: 37048809 PMCID: PMC10094848 DOI: 10.3390/jcm12072726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/20/2023] [Accepted: 03/29/2023] [Indexed: 04/08/2023] Open
Abstract
Primary (pIgAN), secondary IgA nephropathy (sIgAN), and IgA-associated nephropathy can be distinguished. While pIgAN has been thoroughly studied, information about the etiology of sIgAN remains scarce. As concerns sIgAN, several studies suggest that different etiologic factors play a role and ultimately lead to a pathophysiologic process similar to that of pIgAN. In this article, we review a vast number of cases in order to determine the novel putative underlying diseases of sIgAN. Moreover, updates on the common pathophysiology of primary disorders and sIgAN are presented. We identified liver, gastrointestinal, oncological, dermatological, autoimmune, and respiratory diseases, as well as infectious, iatrogenic, and environmental factors, as triggers of sIgAN. As novel biological therapies for listed underlying diseases emerge, we suggest implementing drug-induced sIgAN as a new significant category. Clinicians should acknowledge the possibility of sIgAN progression in patients treated with TNF-α inhibitors, IL-12/IL-23-inhibitors, immune checkpoint inhibitors, CTLA-4, oral anticoagulants, thioureylene derivatives, and anti-vascular endothelial growth factor drugs.
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Affiliation(s)
- Maciej Tota
- Faculty of Medicine, Wroclaw Medical University, 50-367 Wrocław, Poland
| | - Vanessa Baron
- Faculty of Medicine, Wroclaw Medical University, 50-367 Wrocław, Poland
- Faculty of Dentistry, Wroclaw Medical University, 50-435 Wrocław, Poland
| | - Katie Musial
- Faculty of Medicine, Wroclaw Medical University, 50-367 Wrocław, Poland
| | - Bouchra Derrough
- Faculty of Medicine, Wroclaw Medical University, 50-367 Wrocław, Poland
| | - Andrzej Konieczny
- Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, 50-556 Wrocław, Poland
| | - Magdalena Krajewska
- Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, 50-556 Wrocław, Poland
| | - Kultigin Turkmen
- Division of Nephrology, Department of Internal Medicine, Meram Medical Faculty, Necmettin Erbakan University, Konya 42090, Turkey
| | - Mariusz Kusztal
- Department of Nephrology and Transplantation Medicine, Wroclaw Medical University, 50-556 Wrocław, Poland
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Ito N, Shirai T, Toyohara T, Hashimoto H, Sato H, Fujii H, Ishii T, Harigae H. "Coexistence of IgA nephropathy and renal artery stenosis in Takayasu arteritis: case report and literature review". Rheumatol Int 2023; 43:391-398. [PMID: 35013840 DOI: 10.1007/s00296-021-05066-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 12/01/2021] [Indexed: 02/07/2023]
Abstract
Although Takayasu arteritis (TAK) is a form of large vessel vasculitis, complications of glomerulonephritis have occasionally been observed, with mesangial proliferative glomerulonephritis as the most common. The aim of this work was to present a case-based review regarding the association of glomerulonephritis and IgA nephropathy (IgAN) with TAK. A literature search was carried out using the PubMed and Scopus databases for articles published in English, and the Ichu-shi Web for Japanese. A 34-year-old Japanese man was evaluated for proteinuria, and IgAN was diagnosed by renal biopsy. Simultaneously, aortic wall thickening and right renal artery stenosis confirmed a coexisting TAK. Prednisolone and methotrexate improved both diseases, and percutaneous transluminal renal angioplasty resulted in right renal artery reopening. Our case and literature review revealed that membranous proliferative glomerulonephritis and IgAN are common in eastern Asia, while focal segmental glomerulosclerosis and mesangial proliferative glomerulonephritis are common in other regions. The incidence of IgAN is higher in TAK cases and is mostly reported in Asia. Abdominal aortic involvement and renal artery stenosis are common in cases with preceding TAK. IgAN could be related to the cytokine network involving interleukin-6, suggesting the usefulness of tocilizumab in patients with TAK accompanied by IgAN. The type of glomerulonephritis complicated with TAK differs among regions, and patients with TAK are more likely to experience IgAN than the healthy population.
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Affiliation(s)
- Nono Ito
- Department of Hematology and Rheumatology, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8574, Japan
| | - Tsuyoshi Shirai
- Department of Hematology and Rheumatology, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8574, Japan.
| | - Takafumi Toyohara
- Division of Nephrology, Endocrinology and Vascular Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Hideaki Hashimoto
- Division of Nephrology and Endocrinology, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Hiroko Sato
- Department of Hematology and Rheumatology, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8574, Japan
| | - Hiroshi Fujii
- Department of Hematology and Rheumatology, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8574, Japan
| | - Tomonori Ishii
- Department of Hematology and Rheumatology, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8574, Japan
| | - Hideo Harigae
- Department of Hematology and Rheumatology, Tohoku University Graduate School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, 980-8574, Japan
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The Diagnostic and Predictive Significance of Immune-Related Genes and Immune Characteristics in the Occurrence and Progression of IgA Nephropathy. J Immunol Res 2022; 2022:9284204. [PMID: 35528619 PMCID: PMC9071862 DOI: 10.1155/2022/9284204] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 03/25/2022] [Accepted: 04/04/2022] [Indexed: 11/18/2022] Open
Abstract
Objective To investigate the potential diagnostic and predictive significance of immune-related genes in IgA nephropathy (IgAN) and discover the abnormal glomerular inflammation in IgAN. Methods GSE116626 was used as a training set to identify different immune-related genes (DIRGs) and establish machine learning models for the diagnosis of IgAN; then, a nomogram model was generated based on GSE116626, and GSE115857 was used as a test set to evaluate its clinical value. Short Time-Series Expression Miner (STEM) analysis was also performed to explore the changing trend of DIRGs with the progression of IgAN lesions. GSE141344 was used with DIRGs to establish the ceRNA network associated with IgAN progression. Finally, ssGSEA analysis was performed on the GSE141295 dataset to discover the abnormal inflammation in IgAN. Results Machine learning (ML) performed excellently in diagnosing IgAN using six DIRGs. A nomogram model was constructed to predict IgAN based on the six DIRGs. Three trends related to IgAN lesions were identified using STEM analysis. A ceRNA network associated with IgAN progression which contained 8 miRNAs, 14 lncRNAs, and 3 mRNAs was established. A higher macrophage ratio and lower CD4+ T cell ratio in IgAN compared to controls were observed, and the correlation between macrophages and monocytes in the glomeruli of IgAN patients was inverse compared to controls. Conclusion This study reveals the diagnostic and predictive significance of DIRGs in IgAN and finds that the imbalance between macrophages and CD4+ immune cells may be an important pathomechanism of IgAN. These results provide potential directions for the treatment and prevention of IgAN.
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Graziano F, Busè M, Cassata N, Lentini VL, Citrano M. IgA nephropathy in a child: Crohn's disease-associated or adalimumab induced? Curr Med Res Opin 2022; 38:139-143. [PMID: 34866503 DOI: 10.1080/03007995.2021.2015155] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
In pediatric patients with Inflammatory Bowel Disease renal parenchymal disease is infrequent. There are only two reports about the association between IgA Nephropathy and Pediatric Crohn Disease. IgA Nephropathy is a rather uncommon complication of Tumor Necrosis Factor-alpha (TNF-α) inhibition. We describe a case of IgA Nephropathy which has arisen in a 11-year-old child 2 years after Crohn disease diagnosis, during therapy with anti-TNF-α. An ileal e jejunal Crohn disease was diagnosed at 9 years old, initially treated with prednisone, followed by biological therapy with anti-TNF-α (Adalimumab) due to severe disease activity, with gradual improvement of clinical conditions until clinical remission is achieved. Two years after the diagnosis, the child suddenly presented macroscopic hematuria. Subsequent laboratory examinations showed acute renal failure. So kidney biopsy was performed and IgA Nephropathy diagnosis was made. Adalimumab was discontinued and the child has been treated with steroids for sixth months associated with angiotensin-converting enzyme inhibitor resulted in clinical improvement over the following year and remission was maintained. To our knowledge the association of IgA Nephropathy and pediatric IBD during therapy with anti-TNF-α has never been reported. Careful monitoring of renal function, proteinuria, and autoantibodies is advised in patients treated with anti-TNF-α agents.
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Affiliation(s)
| | - Martina Busè
- UOSD Medical Genetics, Villa Sofia Cervello Hospital, Palermo, Italy
| | - Nicola Cassata
- Pediatric Unit, Villa Sofia Cervello Hospital, Palermo, Italy
| | | | - Michele Citrano
- Pediatric Unit, Villa Sofia Cervello Hospital, Palermo, Italy
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Ricardo Pires J, Tavares Valadão Barcelos A. IgA Nephropathy-Ankylosing Spondylitis-Associated or Adalimumab-Induced? J Clin Rheumatol 2021; 27:S449-S450. [PMID: 31876843 DOI: 10.1097/rhu.0000000000001249] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Mertelj T, Smrekar N, Kojc N, Lindič J, Kovač D. IgA Nephropathy in a Patient Treated with Adalimumab. Case Rep Nephrol Dial 2021; 11:233-240. [PMID: 34595210 PMCID: PMC8436610 DOI: 10.1159/000515585] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 03/02/2021] [Indexed: 12/16/2022] Open
Abstract
Immunoglobulin A (IgA) nephropathy (IgAN) is the most common glomerulonephritis worldwide, characterized by IgA deposits in the glomerular mesangium. It has a progressive nature and can eventually lead to end-stage kidney failure. It can occur as a potential side effect of treatment with tumor necrosis factor alpha antagonist that has been used for numerous chronic inflammatory conditions, such as Crohn's disease. In this study, the case of a 33-year-old man with renal dysfunction, nephrotic proteinuria, and erythrocyturia is described. He had had a history of Crohn's disease for 8 years and had been treated with adalimumab for the past 7 years. The diagnosis of IgAN was confirmed by kidney biopsy. After discontinuance of adalimumab and the induction of corticosteroid therapy, he made a remarkable recovery. Four years after the first presentation of IgAN and discontinuation of adalimumab, his renal function was normal with no proteinuria and only mild erythrocyturia.
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Affiliation(s)
- Tonja Mertelj
- Department of Internal Medicine, University Medical Centre Ljubljana, University of Ljubljana, Ljubljana, Slovenia
| | - Nataša Smrekar
- Department of Gastroenterology, University Medical Centre Ljubljana, University of Ljubljana, Ljubljana, Slovenia
| | - Nika Kojc
- Institute of Pathology, Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Jelka Lindič
- Department of Nephrology, University Medical Centre Ljubljana, University of Ljubljana, Ljubljana, Slovenia
| | - Damjan Kovač
- Department of Nephrology, University Medical Centre Ljubljana, University of Ljubljana, Ljubljana, Slovenia
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Said MA, Silva LSTE, de Oliveira Rocha AM, Alves GGB, Piotto DGP, Len CA, Terreri MT. Adverse drug reactions associated with treatment in patients with chronic rheumatic diseases in childhood: a retrospective real life review of a single center cohort. Adv Rheumatol 2020; 60:53. [PMID: 33153496 DOI: 10.1186/s42358-020-00154-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 10/11/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Adverse drug reactions (ADRs) are the sixth leading causes of death worldwide; monitoring them is fundamental, especially in patients with disorders like chronic rheumatic diseases (CRDs). The study aimed to describe the ADRs investigating their severity and associated factors and resulting interventions in pediatric patients with CRDs. METHODS A retrospective, descriptive and analytical study was conducted on a cohort of children and adolescents with juvenile idiopathic arthritis (JIA), juvenile systemic lupus erythematosus (JSLE) and juvenile dermatomyositis (JDM). The study evaluated medical records of the patients to determine the causality and the management of ADRs. In order to investigate the risk factors that would increase the risk of ADRs, a logistic regression model was carried out on a group of patients treated with the main used drug. RESULTS We observed 949 ADRs in 547 patients studied. Methotrexate (MTX) was the most frequently used medication and also the cause of the most ADRs, which occurred in 63.3% of patients, followed by glucocorticoids (GCs). Comparing synthetic disease-modifying anti-rheumatic drugs (sDMARDs) vs biologic disease-modifying anti-rheumatic drugs (bDMARDs), the ADRs attributed to the former were by far higher than the latter. In general, the severity of ADRs was moderate and manageable. Drug withdrawal occurred in almost a quarter of the cases. In terms of risk factors, most patients who experienced ADRs due to MTX, were 16 years old or younger and received MTX in doses equal or higher than 0.6 mg/kg/week. Patients with JIA and JDM had a lower risk of ADRs than patients with JSLE. In the multiple regression model, the use of GCs for over 6 months led to an increase of 0.5% in the number of ADRs. CONCLUSIONS Although the ADRs highly likely affect a wide range of children and adolescents with CRDs they were considered moderate and manageable cases mostly. However, triggers of ADRs need further investigations.
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Affiliation(s)
- Manar Amanouil Said
- Division of Pediatric Rheumatology, Department of Pediatrics, Federal University Sao Paulo (Unifesp), Rua Borges Lagoa, 802, Sao Paulo, ZIP CODE: 04038-001, Brazil.
| | - Liana Soido Teixeira E Silva
- Division of Pediatric Rheumatology, Department of Pediatrics, Federal University Sao Paulo (Unifesp), Rua Borges Lagoa, 802, Sao Paulo, ZIP CODE: 04038-001, Brazil
| | - Aline Maria de Oliveira Rocha
- Division of Pediatric Rheumatology, Department of Pediatrics, Federal University Sao Paulo (Unifesp), Rua Borges Lagoa, 802, Sao Paulo, ZIP CODE: 04038-001, Brazil
| | - Gustavo Guimarães Barreto Alves
- Division of Pediatric Rheumatology, Department of Pediatrics, Federal University Sao Paulo (Unifesp), Rua Borges Lagoa, 802, Sao Paulo, ZIP CODE: 04038-001, Brazil
| | - Daniela Gerent Petry Piotto
- Division of Pediatric Rheumatology, Department of Pediatrics, Federal University Sao Paulo (Unifesp), Rua Borges Lagoa, 802, Sao Paulo, ZIP CODE: 04038-001, Brazil
| | - Claudio Arnaldo Len
- Division of Pediatric Rheumatology, Department of Pediatrics, Federal University Sao Paulo (Unifesp), Rua Borges Lagoa, 802, Sao Paulo, ZIP CODE: 04038-001, Brazil
| | - Maria Teresa Terreri
- Division of Pediatric Rheumatology, Department of Pediatrics, Federal University Sao Paulo (Unifesp), Rua Borges Lagoa, 802, Sao Paulo, ZIP CODE: 04038-001, Brazil
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IgA Nephropathy in the Setting of Anti-TNF-α Therapy for Inflammatory Bowel Disease. ACG Case Rep J 2020; 7:e00462. [PMID: 33062795 PMCID: PMC7526714 DOI: 10.14309/crj.0000000000000462] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 07/10/2020] [Indexed: 01/19/2023] Open
Abstract
Tumor necrosis factor-α (TNF-α)-inhibiting agents are a standard therapy for moderate-to-severe inflammatory bowel disease (IBD). IgA nephropathy in the setting of prolonged exposure to TNF-α inhibitors is a rare, clinically significant adverse event often overlooked by gastroenterologists but well documented in the rheumatologic literature. We present a case series of 3 patients with IBD on TNF-α inhibitors who developed biopsy-proven IgA nephropathy. Clinicians prescribing TNF-α inhibitors to patients with IBD need to be aware of this potential side effect. Therapies with alternative mechanisms of action should instead be considered.
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Segawa Y, Ishida R, Kanehisa F, Nakai K, Morimoto M, Seno M, Nakayama M, Kusaba T, Katoh N, Tamagaki K. IgA nephropathy in a patient receiving infliximab for generalized pustular psoriasis. BMC Nephrol 2020; 21:366. [PMID: 32842976 PMCID: PMC7449059 DOI: 10.1186/s12882-020-02015-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Accepted: 08/11/2020] [Indexed: 12/24/2022] Open
Abstract
Background IgA nephropathy is the most common glomerulonephritis. Secondary IgA nephropathy complicated with systemic diseases, including psoriasis, is also often reported. Generalized pustular psoriasis is a form of psoriasis characterized by sterile pustules on reddened skin and fever. Infliximab, one of the first-line therapies for severe psoriasis, has also been reported to cause systemic vasculitis and IgA nephropathy. We herein report a case of IgA nephropathy activated during infliximab treatment for generalized pustular psoriasis. Case presentation A 28-year-old woman presented with episodic gross hematuria, increasing proteinuria, and renal dysfunction. She had been receiving anti-TNFα therapy with infliximab because of generalized pustular psoriasis for 3 years, but her skin symptoms worsened following withdrawal during pregnancy. After delivery, her skin symptoms improved with the resumption of infliximab, but clinical signs suggested glomerulonephritis, and renal biopsy showed active IgA nephropathy. Infliximab was discontinued, and the combination of corticosteroids, tonsillectomy, and secukinumab, an IL-17A inhibitor, improved both the skin symptoms and the glomerulonephritis. Conclusions In our case, the activity of IgA nephropathy was exacerbated by anti-TNFα therapy but was improved by the combination of corticosteroids, tonsillectomy, and an IL-17A inhibitor against the original disease. Autoimmune diseases may underlie the development of secondary IgA nephropathy associated with anti-TNFα therapy, and so further studies are needed to better understand the association between molecular-targeted drugs and IgA nephropathy.
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Affiliation(s)
- Yuka Segawa
- Division of Nephrology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Ryo Ishida
- Division of Nephrology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Fuminao Kanehisa
- Department of Dermatology, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Kunihiro Nakai
- Division of Nephrology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Mari Morimoto
- Department of Dermatology, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Masafumi Seno
- Division of Nephrology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Mayuka Nakayama
- Division of Nephrology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Tetsuro Kusaba
- Division of Nephrology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Norito Katoh
- Department of Dermatology, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Keiichi Tamagaki
- Division of Nephrology, Department of Medicine, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto, 602-8566, Japan.
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