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An T, Zhang W. Mendelian randomization analysis reveals a protective association between genetically predicted systemic lupus erythematosus and renal cell carcinoma. Medicine (Baltimore) 2024; 103:e37545. [PMID: 38489690 PMCID: PMC10939681 DOI: 10.1097/md.0000000000037545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 02/04/2024] [Accepted: 02/19/2024] [Indexed: 03/17/2024] Open
Abstract
Observational studies have suggested that there may be a connection between systemic lupus erythematosus (SLE) and a higher likelihood of developing urological cancers, although the exact cause-effect relationship is still unclear. This study therefore investigated the causal relationship between SLE and urological cancers using the Mendelian randomization (MR) approach. Our primary MR analysis involved using the inverse variance weighted method, which employed an inverse-variance-weighted approach, to examine the causal relationship between SLE and urological conditions. In addition, we performed various sensitivity analyses, such as MR-Egger regression, tests for heterogeneity, and leave-one-out sensitivity tests, to assess the reliability of our results. The findings from our analysis using Two-Sample MR showed that genetically predicted SLE was linked to a reduced likelihood of developing renal cell carcinoma (RCC) (odds ratio = 0.9996, 95% confidence interval = 0.9993-0.9999, P value = .0159). These results suggest a possible protective impact of SLE against RCC. Nevertheless, no substantial correlation was detected between SLE and the likelihood of developing bladder cancer or prostate cancer. Collectively, these findings offer significant fresh perspectives on the possible correlation between SLE and genitourinary malignancies, specifically RCC, which will provide ideas and basis for the treatment of RCC.
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Affiliation(s)
- Tian An
- Department of Dermatology and Plastic Surgery, The Second Affiliated Hospital of Shaanxi University of Traditional Chinese Medicine, Xianyang, China
| | - Wenzhi Zhang
- Department of Dermatology and Plastic Surgery, The Second Affiliated Hospital of Shaanxi University of Traditional Chinese Medicine, Xianyang, China
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Chong KM, Jiang H, Lo EAG, Hong WZ, Wong ETY, Chan GC, Cho J. Therapeutic Drug Monitoring in Patients with Systemic Lupus Erythematosus: Utility and Gaps. J Clin Med 2024; 13:451. [PMID: 38256585 PMCID: PMC10816431 DOI: 10.3390/jcm13020451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/09/2024] [Accepted: 01/12/2024] [Indexed: 01/24/2024] Open
Abstract
Despite advances in the treatment of patients with systemic lupus erythematous (SLE), outcomes have remained suboptimal. Persistent disease activity, patient comorbidities and drug toxicities contribute to the accrual of progressive irreversible damage and high rates of morbidity and mortality. Currently, similar drug doses and regimens are promulgated in the treatment guidelines for all SLE patients, despite the vast differences in patient and environmental factors that affect the drugs' metabolism and blood concentrations. This causes a disconnect between drug dosing and drug blood concentrations, which can then result in unpredictability in drug toxicities and therapeutic effects. In this review, we discuss commonly used oral immunosuppressive medications in SLE, their pharmacogenomics, and factors affecting their metabolism and blood concentrations. Further, we highlight the role of therapeutic drug monitoring in SLE, which is the first accessible step to individualising therapy.
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Affiliation(s)
- Kar Mun Chong
- Division of Rheumatology, Department of Medicine, National University Hospital, Singapore 119074, Singapore;
| | - He Jiang
- Department of Pharmacy, National University Hospital, Singapore 119074, Singapore; (H.J.); (E.A.G.L.)
| | - Elaine Ah Gi Lo
- Department of Pharmacy, National University Hospital, Singapore 119074, Singapore; (H.J.); (E.A.G.L.)
| | - Wei-Zhen Hong
- Division of Nephrology, Department of Medicine, National University Hospital, Singapore 119074, Singapore; (W.-Z.H.); (E.T.-Y.W.); (G.C.C.)
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore
| | - Emmett Tsz-Yeung Wong
- Division of Nephrology, Department of Medicine, National University Hospital, Singapore 119074, Singapore; (W.-Z.H.); (E.T.-Y.W.); (G.C.C.)
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore
- National University Centre for Organ Transplantation, National University Hospital, Singapore 119074, Singapore
| | - Gek Cher Chan
- Division of Nephrology, Department of Medicine, National University Hospital, Singapore 119074, Singapore; (W.-Z.H.); (E.T.-Y.W.); (G.C.C.)
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore
| | - Jiacai Cho
- Division of Rheumatology, Department of Medicine, National University Hospital, Singapore 119074, Singapore;
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117597, Singapore
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Parodis I, Depascale R, Doria A, Anders HJ. When should targeted therapies be used in the treatment of lupus nephritis: Early in the disease course or in refractory patients? Autoimmun Rev 2024; 23:103418. [PMID: 37625673 DOI: 10.1016/j.autrev.2023.103418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 08/21/2023] [Indexed: 08/27/2023]
Abstract
Although the prognosis of lupus nephritis (LN) has improved over the last few decades, 5-20% of patients still progress to kidney failure. Hence, there is an unmet need to improve the management of LN. Two novel drugs, belimumab and voclosporin, have been recently approved for LN and obinutuzumab is in the late stage of development. In randomised controlled trials (RCTs), all these drugs, added to the standard-of-care, were more effective than standard-of-care alone in achieving renal response. Now the question is: should these new drugs be used early in the disease course or just in refractory patients? The main reasons supporting the early use are based on the RCTs that demonstrated benefits when combinatory regimen was initiated early in incident and relapsing patients leading to a higher proportion of patients to achieve renal response, hence reducing nephron loss and the risk of kidney failure. The main reasons supporting the use of the combinatory regimens primarily in relapsing/refractory patients acknowledge that many patients responded well even without add-on medications, allowing a more economic use of innovative and costly drugs. However, good predictors of renal response to standard-of-care are lacking and, thus, the decision of adding new treatments early or just in refractory or relapsing patients has to consider drug access, risks of over or undertreatment, and preservation of kidney function in high-risk individuals.
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Affiliation(s)
- Ioannis Parodis
- Division of Rheumatology, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden; Department of Gastroenterology, Dermatology, and Rheumatology, Karolinska University Hospital, Stockholm, Sweden; Department of Rheumatology, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Roberto Depascale
- Deparment of Medicine DIMED, Division of Rheumatology, University of Padua, Padua, Italy
| | - Andrea Doria
- Deparment of Medicine DIMED, Division of Rheumatology, University of Padua, Padua, Italy.
| | - Hans-Joachim Anders
- Division of Nephrology, Department of Medicine IV, Hospital of the Ludwig-Maximilians-University, Munich, Germany
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