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Okumi M, Inoue Y, Miyashita M, Ueda T, Fujihara A, Hongo F, Ukimua O. Genitourinary malignancies in kidney transplant recipients. Int J Urol 2024. [PMID: 39316503 DOI: 10.1111/iju.15588] [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: 07/15/2023] [Accepted: 09/09/2024] [Indexed: 09/26/2024]
Abstract
Advances in immunosuppressive therapy and postoperative management have greatly improved the graft and patient survival rates after kidney transplantation; however, the incidence of post-transplant malignant tumors is increasing. Post-renal transplantation malignant tumors are associated with renal failure, immunosuppression, and viral infections. Moreover, the risk of developing cancer is higher in kidney transplant recipients than in the general population, and the tendency to develop cancer is affected by the background and environment of each patient. Recently, cancer after kidney transplantation has become the leading cause of death in Japan. Owing to the aggressive nature and poor prognosis of genitourinary malignancies, it is crucial to understand their epidemiology, risk factors, and best practices in kidney transplant recipients. This review has a special emphasis on the epidemiology, risk factors, and treatment protocols of genitourinary malignancies in kidney transplant recipients to enhance our understanding of the appropriate management strategies. Optimal immunosuppressive therapy and cancer management for these patients remain controversial, but adherence to the general guidelines is recommended.
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Affiliation(s)
- Masayoshi Okumi
- Department of Urology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yuta Inoue
- Department of Urology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Masatsugu Miyashita
- Department of Urology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Takashi Ueda
- Department of Urology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Atsuko Fujihara
- Department of Urology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Fumiya Hongo
- Department of Urology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Osamu Ukimua
- Department of Urology, Kyoto Prefectural University of Medicine, Kyoto, Japan
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2
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Laowalert S, Naitook N, Boonnim K, Prungrit U, Aekkachaipitak N, Lamjantuek P, Liwlompaisan W, Khunprakant R, Techawathanawanna N, Mavichak V, Udomkarnjananun S. Report on post-transplantation cancer in southeast Asia from the Thai kidney transplantation cohort. Sci Rep 2024; 14:20154. [PMID: 39215076 PMCID: PMC11364626 DOI: 10.1038/s41598-024-71041-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Accepted: 08/23/2024] [Indexed: 09/04/2024] Open
Abstract
Post-transplantation cancer is a significant cause of mortality among kidney transplant recipients (KTR). The incidence of post-transplantation cancer varies based on geographic region and ethnicity. However, data on KTR from South East Asia, where characteristics differ from other parts of Asia, is lacking. We conducted a retrospective cohort study at a transplant center in Thailand to investigate the incidence of post-transplantation cancer and mortality rates. Factors associated with post-transplantation cancer and patient outcomes were analyzed using competing-risks regression. The study included 1156 KTR with a post-transplant follow-up duration of 5.1 (2.7-9.4) years. The age- and sex-adjusted incidence rate of post-transplant cancer was highest for urothelial cancer (6.9 per 1000 person-years), which also resulted in the highest standardized incidence ratio (SIR) of 42.5 when compared to the general population. Kidney cancer had the second-highest SIR of 24.4. Increasing age was the factor associated with an increased risk of post-transplant cancer (SHR 1.03; 95% CI 1.01-1.05). Human leukocyte antigen (HLA) DR mismatch was associated with a decreased risk of post-transplant cancer (SHR 0.72; 95% CI 0.52-0.98). Post-transplantation cancer was significantly associated with patient mortality (HR 3.16; 95% CI 2.21-4.52). Cancer significantly contributes to KTR mortality, and the risk profile for cancer development in Thai KTRs differs from that of Western and most Asian counterparts. Further research is essential to explore appropriate screening protocols for countries with high rates of urothelial and kidney cancer, including Thailand.
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Affiliation(s)
| | - Nattakan Naitook
- Kidney Transplant Institute, Praram 9 Hospital, Bangkok, Thailand
| | - Kesawan Boonnim
- Kidney Transplant Institute, Praram 9 Hospital, Bangkok, Thailand
| | - Uayporn Prungrit
- Kidney Transplant Institute, Praram 9 Hospital, Bangkok, Thailand
| | | | | | | | | | | | - Viroon Mavichak
- Kidney Transplant Institute, Praram 9 Hospital, Bangkok, Thailand
| | - Suwasin Udomkarnjananun
- Division of Nephrology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, 1873, Rama 4 Road, Pathumwan, 10330, Bangkok, Thailand.
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Al-Qudimat AR, Altahtamoun SB, Kilic F, Al-Zoubi RM, Al Zoubi MS. The risk of solid organ tumors in patients with chronic kidney disease: A narrative review of literature. Heliyon 2024; 10:e32822. [PMID: 39035535 PMCID: PMC11259794 DOI: 10.1016/j.heliyon.2024.e32822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 06/02/2024] [Accepted: 06/10/2024] [Indexed: 07/23/2024] Open
Abstract
Chronic kidney disease (CKD) has been correlated with certain pathological conditions such as cardiovascular diseases and other renal-related dysfunctions. Some other reports suggested an association between CKD and the development of certain solid cancers. Therefore, we aimed to generate this narrative review to present the available literature on the risk of solid cancer development in CKD patient populations. We explored the associations between CKD, organ transplantation, and the development of specific solid organ tumors such as kidney, thyroid, lung, breast, bladder, gastric, and prostate cancers. In conclusion, the previous reports showed an increase in the risk of certain solid cancers such as kidney, lung, bladder, and possibly breast cancer in CKD patients and transplant recipients. On the other hand, thyroid, gastric, and prostate cancers showed unclear association with CKD. Despite the suggested impact of smoking and immunosuppression on the development of cancers in CKD patients, more studies are needed to elucidate the mechanism and the risk factors that might be related to the development of cancer in CKD patients.
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Affiliation(s)
- Ahmad R. Al-Qudimat
- Surgical Research Section, Department of Surgery, Hamad Medical Corporation, Doha, Qatar
| | - Saif B. Altahtamoun
- Surgical Research Section, Department of Surgery, Hamad Medical Corporation, Doha, Qatar
| | - Fatma Kilic
- Surgical Research Section, Department of Surgery, Hamad Medical Corporation, Doha, Qatar
- Department of Biomedical Sciences, QU-Health, College of Health Sciences, Qatar University, Doha, 2713, Qatar
- Department of Chemistry, Jordan University of Science and Technology, P.O.Box 3030, Irbid, 22110, Jordan
| | - Raed M. Al-Zoubi
- Surgical Research Section, Department of Surgery, Hamad Medical Corporation, Doha, Qatar
- Department of Biomedical Sciences, QU-Health, College of Health Sciences, Qatar University, Doha, 2713, Qatar
- Department of Chemistry, Jordan University of Science and Technology, P.O.Box 3030, Irbid, 22110, Jordan
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Lee HJ, Lim EJ, Woo SJQ, Aslim EJ, Ng LG, Gan VHL. De Novo Urological Malignancies After Renal Transplantation: An Asian 30-Year Experience. Clin Transplant 2024; 38:e15415. [PMID: 39049619 DOI: 10.1111/ctr.15415] [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: 05/02/2024] [Revised: 06/19/2024] [Accepted: 07/08/2024] [Indexed: 07/27/2024]
Abstract
BACKGROUND As the incidence of urological malignancies after renal transplantation (RT) is observed to be greater than in the general population, a better understanding of them is important. We present our experience with urological tumors in RT recipients at our transplant center, and analyze their incidence, management and outcomes. MATERIALS AND METHODS A retrospective analysis of 2177 RT recipients on follow-up at our center between 1990 and 2022 was conducted for de novo genitourinary malignancy. Patients diagnosed with malignancy before transplantation were excluded. Clinicopathological data at diagnosis and follow-up were collected and analyzed. Kaplan-Meier estimates were used to evaluate overall survival (OS) and cancer-specific survival (CSS). Statistical analysis was performed using IBM SPSS v.24 (IBM Corp., Armonk, NY, USA). RESULTS The overall incidence of Urological malignancies was 3.9%, with 89 cancers diagnosed in 85 patients. Renal cell carcinoma was most common (n = 61, 68.5%), followed by prostate cancer (n = 10, 11.2%), urothelial carcinoma (n = 10, 11.2%), squamous cell carcinoma of the penis/scrotum (n = 7, 7.9%), and testicular cancer (n = 1, 1.1%). Mean duration between transplantation and diagnosis of malignancy was 9.9 (0.4-20.7) years. At a median follow-up of 4.6 (018.2) years, 27 deaths were seen; 7(25.9%) were due to urological malignancy. CSS rates were 86% and 78% at five and ten years, respectively, after diagnosis. CONCLUSION We present one of the largest series of de novo urological malignancies observed over an extended 30-year follow-up of RT recipients, demonstrating an elevated risk in line with other studies. Regular surveillance for malignancies is advised, in order to ensure early diagnosis and management.
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Affiliation(s)
- Han Jie Lee
- Department of Urology, Singapore General Hospital, Singapore, Singapore
| | - Ee Jean Lim
- Department of Urology, Singapore General Hospital, Singapore, Singapore
| | | | - Edwin J Aslim
- Department of Urology, Singapore General Hospital, Singapore, Singapore
| | - Lay Guat Ng
- Department of Urology, Singapore General Hospital, Singapore, Singapore
| | - Valerie Huei Li Gan
- Department of Urology, Singapore General Hospital, Singapore, Singapore
- Singhealth Duke-NUS Transplant Centre, Singapore, Singapore
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Chukwu CA, Wu HH, Pullerits K, Garland S, Middleton R, Chinnadurai R, Kalra PA. Incidence, Risk Factors, and Outcomes of De Novo Malignancy following Kidney Transplantation. J Clin Med 2024; 13:1872. [PMID: 38610636 PMCID: PMC11012944 DOI: 10.3390/jcm13071872] [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: 02/15/2024] [Revised: 03/17/2024] [Accepted: 03/21/2024] [Indexed: 04/14/2024] Open
Abstract
Introduction: Post-transplant malignancy is a significant cause of morbidity and mortality following kidney transplantation often emerging after medium- to long-term follow-up. To understand the risk factors for the development of de novo post-transplant malignancy (DPTM), this study aimed to assess the incidence, risk factors, and outcomes of DPTM at a single nephrology centre over two decades. Methods: This retrospective cohort study included 963 kidney transplant recipients who underwent kidney transplantation between January 2000 and December 2020 and followed up over a median follow-up of 7.1 years (IQR 3.9-11.4). Cox regression models were used to identify the significant risk factors of DPTM development, the association of DPTM with graft survival, and mortality with a functioning graft. Results: In total, 8.1% of transplant recipients developed DPTM, and the DPTM incidence rate was 14.7 per 100 patient-years. There was a higher mean age observed in the DPTM group (53 vs. 47 years, p < 0.001). The most affected organ systems were genitourinary (32.1%), gastrointestinal (24.4%), and lymphoproliferative (20.5%). Multivariate Cox analysis identified older age at transplant (aHR 9.51, 95%CI: 2.60-34.87, p < 0.001) and pre-existing glomerulonephritis (aHR 3.27, 95%CI: 1.10-9.77, p = 0.03) as significant risk factors for DPTM. Older age was significantly associated with poorer graft survival (aHR 8.71, 95%CI: 3.77-20.20, p < 0.001). When age was excluded from the multivariate Cox model, DPTM emerged as a significant risk factor for poor survival (aHR 1.76, 95%CI: 1.17-2.63, p = 0.006). Conclusion: These findings underscore the need for tailored screening, prevention, and management strategies to address DPTM in an aging and immunosuppressed kidney transplant population.
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Affiliation(s)
- Chukwuma A. Chukwu
- Department of Renal Medicine, Northern Care Alliance NHS Foundation Trust, Salford M6 8HD, UK; (C.A.C.); (R.M.); (P.A.K.)
| | - Henry H.L. Wu
- Renal Research Laboratory, Kolling Institute of Medical Research, Royal North Shore Hospital, The University of Sydney, Sydney, NSW 2065, Australia;
| | - Kairi Pullerits
- Faculty of Biology, Medicine & Health, The University of Manchester, Manchester M1 7HR, UK; (K.P.); (S.G.)
| | - Shona Garland
- Faculty of Biology, Medicine & Health, The University of Manchester, Manchester M1 7HR, UK; (K.P.); (S.G.)
| | - Rachel Middleton
- Department of Renal Medicine, Northern Care Alliance NHS Foundation Trust, Salford M6 8HD, UK; (C.A.C.); (R.M.); (P.A.K.)
| | - Rajkumar Chinnadurai
- Department of Renal Medicine, Northern Care Alliance NHS Foundation Trust, Salford M6 8HD, UK; (C.A.C.); (R.M.); (P.A.K.)
- Faculty of Biology, Medicine & Health, The University of Manchester, Manchester M1 7HR, UK; (K.P.); (S.G.)
| | - Philip A. Kalra
- Department of Renal Medicine, Northern Care Alliance NHS Foundation Trust, Salford M6 8HD, UK; (C.A.C.); (R.M.); (P.A.K.)
- Faculty of Biology, Medicine & Health, The University of Manchester, Manchester M1 7HR, UK; (K.P.); (S.G.)
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Chang NW, Huang YH, Sung WW, Chen SL. Adjuvant Chemotherapy in Patients with Locally Advanced Upper Tract Urothelial Carcinoma with or without Kidney Transplantation. J Clin Med 2024; 13:1831. [PMID: 38610596 PMCID: PMC11012329 DOI: 10.3390/jcm13071831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 03/11/2024] [Accepted: 03/18/2024] [Indexed: 04/14/2024] Open
Abstract
Background: The incidence of upper tract urothelial carcinoma (UTUC) is uniquely high in kidney transplant (KT) recipients in Taiwan. The evidence of adjuvant chemotherapy (AC) in UTUC is contradictory. We have sought to determine whether AC is associated with potential benefits related to locally advanced UTUC after KT. Methods: We retrospectively analyzed 134 patients with locally advanced UTUC (at least stage T2) and patients who were administrated AC after unilateral or bilateral nephroureterectomy with bladder cuff excision. Of these 134 patients, 57 patients fulfilled our inclusion criteria. We used 23 KT and 34 non-KT locally advanced UTUC patients for comparison. Results: The mean follow-up time was 52.35 ± 34.56 and 64.71 ± 42.29 months for the KT and non-KT groups, respectively. The five-year disease-free survival (DFS) and overall survival (OS) rates were 45.7% vs. 70.2% and 62.8% vs. 77.6%, for the KT and non-KT groups. The Kaplan-Meier curve and the log rank test revealed significant differences in the DFS and OS rates between the two groups, p = 0.015 and 0.036. The influence of chemotherapy on graft kidney function was mild. Only three in the KT group and two in the non-KT group developed > grade 2 nephrotoxicity. Conclusions: Our study suggested that KT patients with locally advanced UTUC who had been administered AC after surgery presented worse OS and DFS than non-KT patients. KT patients tolerated the AC course well, and their nephrotoxicity levels were mild and acceptable.
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Affiliation(s)
- Nai-Wen Chang
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan; (N.-W.C.); (W.-W.S.)
| | - Yu-Hui Huang
- Department of Physical Medicine and Rehabilitation, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Wen-Wei Sung
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan; (N.-W.C.); (W.-W.S.)
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Sung-Lang Chen
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan; (N.-W.C.); (W.-W.S.)
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
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Massicotte-Azarniouch D, Noel JA, Knoll GA. Epidemiology of Cancer in Kidney Transplant Recipients. Semin Nephrol 2024; 44:151494. [PMID: 38538455 DOI: 10.1016/j.semnephrol.2024.151494] [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] [Indexed: 06/30/2024]
Abstract
Kidney transplantation is the ideal treatment modality for patients with end-stage kidney disease, with excellent outcomes post-transplant compared with dialysis. However, kidney transplant recipients are at increased risk of infections and cancer because of the need for immunosuppression. Kidney transplant recipients have approximately two to three times greater risk of developing cancer than the general population, and cancer is a major contributor to morbidity and mortality. Most of the increased risk is driven by viral-mediated cancers such as post-transplant lymphoproliferative disorder, anogenital cancers, and Kaposi sarcoma. Nonmelanoma skin cancer is the most frequent type of cancer in kidney transplant recipients, likely due to an interaction between ultraviolet radiation exposure and decreased immune surveillance. Occurrence of the more common types of solid organ cancers seen in the general population, such as breast, prostate, lung, and colorectal cancers, is not, or is only mildly, increased post-transplant. Clinical care and future research should focus on prevention and on improving outcomes for important immunosuppression-related malignancies, and treatment options for other cancers occurring in the transplant setting.
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Affiliation(s)
- David Massicotte-Azarniouch
- Division of Nephrology, Department of Medicine and Kidney Research Centre, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada
| | - J Ariana Noel
- Department of Medicine, University of Ottawa, Ottawa, Canada
| | - Greg A Knoll
- Division of Nephrology, Department of Medicine and Kidney Research Centre, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Canada.
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Yadav R, El Kossi M, Belal D, Sharma A, Halawa A. Post-transplant malignancy: Focusing on virus-associated etiologies, pathogenesis, evidence-based management algorithms, present status of adoptive immunotherapy and future directions. World J Meta-Anal 2023; 11:317-339. [DOI: 10.13105/wjma.v11.i7.317] [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: 05/18/2023] [Revised: 08/23/2023] [Accepted: 10/08/2023] [Indexed: 12/14/2023] Open
Abstract
Modern immunosuppression has led to a decrease in rejection rates and improved survival rates after solid organ transplantation. Increasing the potency of immunosuppression promotes post-transplant viral infections and associated cancers by impairing immune response against viruses and cancer immunoediting. This review reflects the magnitude, etiology and immunological characteristics of various virus-related post-transplant malignancies, emphasizing the need for future research. A multidisciplinary and strategic approach may serve best but overall literature evidence targeting it is sparse. However, the authors attempted to provide a more detailed update of the literature consensus for the prevention, diagnosis, management and surveillance of post-transplant viral infections and associated malignancies, with a focus on the current role of adoptive immunotherapy and the way forward. In order to achieve long-term patient and graft survival as well as superior post-transplant outcomes, collaborative research on holistic care of organ recipients is imperative.
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Affiliation(s)
- Rahul Yadav
- Department of Urology, Kidney Transplant and Robotic Uro-oncology, Tender Palm Super Speciality Hospital, Lucknow 226010, Uttar Pradesh, India
- Department of Urology and Kidney Transplant, Charak Hospital and Research Centre, Lucknow 226003, Uttar Pradesh, India
| | - Mohsen El Kossi
- Department of Nephrology, Doncaster Royal Infirmary, Doncaster DN2 5LT, United Kingdom
| | - Dawlat Belal
- Department of Nephrology and Medicine, Kasr El-Ainy School of Medicine, Cairo University, Cairo 11562, Egypt
| | - Ajay Sharma
- Department of Transplant Surgery, Royal Liverpool University Hospitals, Liverpool L7 8XP, United Kingdom
| | - Ahmed Halawa
- Department of Transplantation, Sheffield Teaching Hospitals, Sheffield S57AU, United Kingdom
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Lu K, Chiu KY. Temporal trends of de novo urological malignancy in renal transplant recipients without a cancer history: A longitudinal cohort study. Clin Transplant 2023; 37:e15047. [PMID: 37306943 DOI: 10.1111/ctr.15047] [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: 03/29/2023] [Revised: 05/30/2023] [Accepted: 05/31/2023] [Indexed: 06/13/2023]
Abstract
BACKGROUND The incidence of malignancies after successful kidney transplantation has historically been higher than in the general population, with adverse impact on clinical outcomes. However, uncertainty remains as to which cancers occur at what time points after kidney transplantation. METHODS We conducted a longitudinal cohort study to investigate the temporal trends and topographic patterns of de novo malignancies to optimize surveillance protocols and improve transplant outcome in renal transplant recipients. Measurement of death and cancer events was performed to calculate the cumulative risk of events of interest. RESULTS Between 2000 and 2013, 3169 renal transplant recipients were retrospectively screened; 3035 (96%) of them met eligibility criteria and were evaluated with a follow-up of 27612 person-years. There was suboptimal overall survival and malignancy-free survival in renal transplant recipients compared to reference groups (HR: 1.65; 95% CI: 1.50-1.82; p < .001; HR: 2.33; 95% CI: 2.04-2.66; p < .001, respectively). Among renal transplant recipients, urological malignancies were predominant (57.5%), followed by digestive tract malignancies (21.4%). The cancer risks of the urinary bladder and upper urinary tract were lower in male subjects (HR: .48; 95% CI: .33-.72; p < .001; HR: .34; 95% CI: .20-.59; p < .001, respectively). The temporal trends of urological malignancies among renal transplant recipients were expressed in a bimodal pattern, with M-shaped peaks at 3 and 9 years, with gender disparity. CONCLUSIONS In renal transplant recipients, cancer occurrences are shown as M-shaped twin peaks. Our study highlights that specific customized 'targeted' strategies for cancer surveillance programs are required to optimize posttransplant care.
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Affiliation(s)
- Kevin Lu
- Department of Urology, Taichung Veterans General Hospital, Taichung, Taiwan
- School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
| | - Kun-Yuan Chiu
- Department of Urology, Taichung Veterans General Hospital, Taichung, Taiwan
- School of Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
- Department of Applied Chemistry, National Chi Nan University, Puli, Nantou, Taiwan
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10
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Al-Qudimat AR, Al Darwish MB, Altahtamouni SB, Singh K, Al-Zoubi RM, Aboumarzouk OM, Al-Ansari A. Chronic kidney diseases and the risk of colorectal cancer: A systematic review and meta-analysis. Arab J Urol 2023; 21:258-266. [PMID: 38178950 PMCID: PMC10763595 DOI: 10.1080/2090598x.2023.2225315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 06/11/2023] [Indexed: 01/06/2024] Open
Abstract
Objective We conducted this review to offer a comprehensive search and up-to-date overview of the currently available information about the probability risk of colorectal cancer among chronic kidney disease patients. Method We performed a systematic review and meta-analysis following Preferred Reporting Items for Systematic Reviews (PRISMA) and meta-analysis guidelines. We identified, reviewed, and extracted from Scopus, PubMed, EMBASE, and Komaki Databases for research publications on chronic kidney disease and colorectal cancer published between February 2016 and January 2023. We meta-analyzed the prevalence of colorectal cancer with chronic kidney disease. We ran a random effect meta-regression. Risk-of-bias assessment was evaluated using the Newcastle-Ottawa Scale. The systematic review was registered with PROSPERO (CRD42023400983). Results The risk of CRC in chronic kidney diseases was reported in 50 research studies, which included 4,337,966 people from 16 different countries. SIR of CRC was obtained from 14 studies and showed a significant relationship between CRC with CKD patients, with a pooled SIR of 1.33; 95% CI (1.30-1.36), with higher heterogeneity (Q = 121.82, P < 0.001, and I2 = 86.9%). Metaregression showed that there was no significant correlation between the risk of CRC and the proportion of males or age. Conclusion Overall, this study shows that patients with chronic kidney disease have a significantly increased risk of colorectal cancer. More studies with larger sample sizes, and robust surveillance are needed.
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Affiliation(s)
- Ahmad R. Al-Qudimat
- Surgical Research Section, Department of Surgery, Hamad Medical Corporation, Doha, Qatar
- Department of Public Health, QU-Health, College of Health Sciences, Qatar University, Doha, Qata
| | - Mohamed B. Al Darwish
- Surgical Research Section, Department of Surgery, Hamad Medical Corporation, Doha, Qatar
| | - Saif B. Altahtamouni
- Surgical Research Section, Department of Surgery, Hamad Medical Corporation, Doha, Qatar
| | - Kalapan Singh
- Department of Nursing, Hamad Medical Corporation, Doha, Qatar
| | - Raed M. Al-Zoubi
- Surgical Research Section, Department of Surgery, Hamad Medical Corporation, Doha, Qatar
- College of Pharmacy, QU Health, Qatar University, Doha, Qata
- Department of Chemistry, Jordan University of Science and Technology, Irbid, Jordan
| | - Omar M. Aboumarzouk
- Surgical Research Section, Department of Surgery, Hamad Medical Corporation, Doha, Qatar
- College of Medicine, Qatar University, Doha, Qatar
- School of Medicine, Dentistry and Nursing, The University of Glasgow, Glasgow, UK
| | - Abdulla Al-Ansari
- Surgical Research Section, Department of Surgery, Hamad Medical Corporation, Doha, Qatar
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Ho CJ, Huang YH, Hsieh TY, Yang MH, Wang SC, Chen WJ, Sung WW, Chen SL. New Hydronephrosis in the Native Kidney Is Associated with the Development of De Novo Urinary Bladder Urothelial Carcinoma in Patients with Post-Kidney Transplantation. Healthcare (Basel) 2023; 11:healthcare11091209. [PMID: 37174750 PMCID: PMC10178461 DOI: 10.3390/healthcare11091209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/18/2023] [Accepted: 04/20/2023] [Indexed: 05/15/2023] Open
Abstract
Increased malignancy after kidney transplantation (KT) is by far the most troublesome issue. Among these malignancies, urothelial carcinoma (UC) incidence is uniquely high in Taiwan. We want to know whether routine sonography to detect native hydronephrosis is associated with the development of de novo urinary bladder urothelial carcinoma (UBUC) in post-KT recipients. From 2003 to 2018, we retrospectively analyzed 1005 KT patients, 58 of whom were subsequently diagnosed with UBUC. The association between new native hydronephrosis and post-KT UBUC was analyzed with univariate and multivariate logistic regression analyses and a Kaplan-Meier plot. We excluded cases of people who had upper urinary tract urothelial carcinoma (UTUC) and were diagnosed prior to UBUC. There were 612 males (60.9%) and 393 females (39.1%), with a mean age of 48.2 ± 12.0 years old at KT. The mean follow-up period was 118.6 ± 70.2 months, and the diagnosis of UBUC from KT to UBUC was 7.0 ± 5.1 years. New native kidney hydronephrosis occurred more frequently in the UBUC group (56.4% versus 6.4%, p < 0.001) than the non-UBUC group. Multivariate analysis disclosed that native hydronephrosis is the only statistically significant factor for UBUC, with an odds ratio of 16.03 (95% CI, 8.66-29.68; p < 0.001). UBUC in post-KT patients with native hydronephrosis also showed a tendency toward multifocal lesions upon presentation (47.8%). Post-KT UBUC is characterized by pathologically aggressive and multiple foci lesions. Native kidney hydronephrosis may be a deciding factor of post-KT UBUC.
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Affiliation(s)
- Cheng-Ju Ho
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Yu-Hui Huang
- Department of Physical Medicine and Rehabilitation, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Tzuo-Yi Hsieh
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Min-Hsin Yang
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Shao-Chuan Wang
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Wen-Jung Chen
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Wen-Wei Sung
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Sung-Lang Chen
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
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12
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De novo upper tract urothelial carcinoma after renal transplantation: a single-center experience in China. BMC Urol 2023; 23:23. [PMID: 36803451 PMCID: PMC9940364 DOI: 10.1186/s12894-023-01190-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 02/14/2023] [Indexed: 02/22/2023] Open
Abstract
BACKGROUND Long-term prognosis and risk factors of de novo upper tract urothelial carcinoma after renal transplantation were rarely studied. Thus, the aim of this study was to investigate the clinical features, risk factors, and long-term prognosis of de novo upper tract urothelial carcinoma after renal transplantation, especially the impact of aristolochic acid on tumor, using a large sample. METHODS 106 patients were enrolled in retrospective study. The endpoints included overall survival, cancer-specific survival, bladder or contralateral upper tract recurrence-free survival. Patients were grouped according to aristolochic acid exposure. Survival analysis was performed using Kaplan-Meier curve. Log-rank test was used to compare the difference. Multivariable cox regression was conducted to evaluate the prognostic significance. RESULTS Median time from transplantation to development of upper tract urothelial carcinoma was 91.5 months. Cancer-specific survival rate at 1, 5, 10 years was 89.2%, 73.2%, 61.6%. Tumor staging (≥ T2), lymph node status (N +) were independent risk factors for cancer-specific death. Contralateral upper tract recurrence-free survival rate at 1, 3, 5 years was 80.4%, 68.5%, 50.9%. Aristolochic acid exposure was independent risk factor for contralateral upper tract recurrence. The patients exposed to aristolochic acid had more multifocal tumors and higher incidence of contralateral upper tract recurrence. CONCLUSION Both higher tumor staging and positive lymph node status were associated with a worse cancer-specific survival in patients with post-transplant de novo upper tract urothelial carcinoma, which highlighted the importance of early diagnosis. Aristolochic acid was associated with multifocality of tumors and higher incidence of contralateral upper tract recurrence. Thus, prophylactic contralateral resection was suggested for post-transplant upper tract urothelial carcinoma, especially for patients with aristolochic acid exposure.
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13
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Multifactorial Diseases of the Heart, Kidneys, Lungs, and Liver and Incident Cancer: Epidemiology and Shared Mechanisms. Cancers (Basel) 2023; 15:cancers15030729. [PMID: 36765688 PMCID: PMC9913123 DOI: 10.3390/cancers15030729] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/05/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
Within the aging population, the frequency of cancer is increasing dramatically. In addition, multiple genetic and environmental factors lead to common multifactorial diseases, including cardiovascular disease, chronic kidney disease, chronic obstructive pulmonary disease, and metabolic-associated fatty liver disease. In recent years, there has been a growing awareness of the connection between cancer and multifactorial diseases, as well as how one can affect the other, resulting in a vicious cycle. Although the exact mechanistic explanations behind this remain to be fully explored, some progress has been made in uncovering the common pathologic mechanisms. In this review, we focus on the nature of the link between cancer and common multifactorial conditions, as well as specific shared mechanisms, some of which may represent either preventive or therapeutic targets. Rather than organ-specific interactions, we herein focus on the shared mechanisms among the multifactorial diseases, which may explain the increased cancer risk. More research on this subject will highlight the significance of developing new drugs that target multiple systems rather than just one disease.
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14
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Garcia-Covarrubias L, Fernández-Ángel D, Román SG, Marines KM, Quintero-Arias L, Brito DC. Retroperitoneal Teratoma in a Transplanted Patient: Case Report and Review. Transplant Proc 2022; 54:2730-2734. [DOI: 10.1016/j.transproceed.2022.08.050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/05/2022] [Accepted: 08/02/2022] [Indexed: 11/15/2022]
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15
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Serkies K, Dębska-Ślisień A, Kowalczyk A, Lizakowski S, Małyszko J. Malignancies in adult kidney transplant candidates and recipients: current status. Nephrol Dial Transplant 2022:6674222. [PMID: 35998321 DOI: 10.1093/ndt/gfac239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Posttransplant malignancies, particularly recurrent and de novo, in solid organs including kidney transplant recipients (KTRs) are a significant complication associated with substantial mortality, largely attributed to long-term immunosuppression necessary to maintain allograft tolerance. Older age at transplantation and oncogenic virus infection along with pretransplant malignancies are among the main factors contributing to the risk of cancer in this population. As the mean age of transplant candidates rises, the rate of transplant recipients with pretransplant malignancies also increases. The eligibility criteria for transplantation in patients with prior cancer have recently changed. The overall risk of posttransplant malignancies is at least double after transplantation including KTRs relative to the general population, most pronounced for skin cancers associated with UV radiation and virally-mediated tumors. The risk of renal cell carcinoma is specifically increased in the kidney transplant population. The therapy of cancer in transplant patients is associated with risk of higher toxicity, and graft rejection and/or impairment, which poses a unique challenge in the management. Reduction of immunosuppression and the use of mTOR inhibitors are common after cancer diagnosis, although optimal immunosuppression for transplant recipients with cancer remains undefined. Suboptimal cancer treatment contributing to a worse prognosis has been reported for malignancies in this population. In this article, we focus on the prevalence and outcomes of posttransplant malignancies, cancer therapy including a short overview of immunotherapy, cancer screening and prevention strategies, and immunosuppression as a cancer risk factor. The 2020/2021 recommendations of the Kidney Diseases Improving Global Outcome (KDIGO) and American Society of Transplantation (AST) for transplant candidates with a history of cancer are presented.
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Affiliation(s)
- Krystyna Serkies
- Department of Oncology and Radiotherapy, Medical University of Gdańsk, Poland
| | - Alicja Dębska-Ślisień
- Department of Nephrology, Transplantology and Internal Medicine, Medical University of Gdańsk, Poland
| | - Anna Kowalczyk
- Department of Oncology and Radiotherapy, Medical University of Gdańsk, Poland
| | - Sławomir Lizakowski
- Department of Nephrology, Transplantology and Internal Medicine, Medical University of Gdańsk, Poland
| | - Jolanta Małyszko
- Department of Nephrology, Dialysis and Internal Medicine, Warsaw Medical University, Poland
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16
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Lim LM, Chung WY, Hwang DY, Yu CC, Ke HL, Liang PI, Lin TW, Cheng SM, Huang AM, Kuo HT. Whole-exome sequencing identified mutational profiles of urothelial carcinoma post kidney transplantation. J Transl Med 2022; 20:324. [PMID: 35864526 PMCID: PMC9301867 DOI: 10.1186/s12967-022-03522-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 07/08/2022] [Indexed: 11/10/2022] Open
Abstract
Kidney transplantation is a lifesaving option for patients with end-stage kidney disease. In Taiwan, urothelial carcinoma (UC) is the most common de novo cancer after kidney transplantation (KT). UC has a greater degree of molecular heterogeneity than do other solid tumors. Few studies have explored genomic alterations in UC after KT. We performed whole-exome sequencing to compare the genetic alterations in UC developed after kidney transplantation (UCKT) and in UC in patients on hemodialysis (UCHD). After mapping and variant calling, 18,733 and 11,093 variants were identified in patients with UCKT and UCHD, respectively. We excluded known single-nucleotide polymorphisms (SNPs) and retained genes that were annotated in the Catalogue of Somatic Mutations in Cancer (COSMIC), in the Integrative Onco Genomic cancer mutations browser (IntOGen), and in the Cancer Genome Atlas (TCGA) database of genes associated with bladder cancer. A total of 14 UCKT-specific genes with SNPs identified in more than two patients were included in further analyses. The single-base substitution (SBS) profile and signatures showed a relative high T > A pattern compared to COMSIC UC mutations. Ingenuity pathway analysis was used to explore the connections among these genes. GNAQ, IKZF1, and NTRK3 were identified as potentially involved in the signaling network of UCKT. The genetic analysis of posttransplant malignancies may elucidate a fundamental aspect of the molecular pathogenesis of UCKT.
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Affiliation(s)
- Lee-Moay Lim
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Wen-Yu Chung
- Department of Computer Science and Information Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, Taiwan
| | - Daw-Yang Hwang
- National Institute of Cancer Research, National Health Research Institute, Tainan, Taiwan
| | - Chih-Chuan Yu
- National Institute of Cancer Research, National Health Research Institute, Tainan, Taiwan
| | - Hung-Lung Ke
- Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Urology, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Urology, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung, Taiwan.,Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Peir-In Liang
- Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ting-Wei Lin
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Siao Muk Cheng
- National Institute of Cancer Research, National Health Research Institute, Tainan, Taiwan
| | - A-Mei Huang
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan. .,Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan. .,Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan. .,Ph.D. Program in Toxicology, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan. .,Department of Biochemistry, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
| | - Hung-Tien Kuo
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan. .,School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
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17
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Tong SH, Huang YJ, Yang YC, Lin HC, Jou YC. Hepatic Angiosarcoma Post-Renal Transplantation: A Case Report. Transplant Proc 2022; 54:1597-1600. [PMID: 35868873 DOI: 10.1016/j.transproceed.2022.05.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/05/2022] [Accepted: 05/21/2022] [Indexed: 01/20/2023]
Abstract
BACKGROUND DNA damage and oncogenic viruses increase the risk of cancer post-kidney transplantation, including skin cancer, Kaposi's sarcoma, oral cancer, and non-Hodgkin lymphoma. Here we report an uncommon case of liver angiosarcoma that occurred 8 years after kidney transplantation. This study strictly complied with the Helsinki Congress and the Istanbul Declaration regarding donor source. CASE REPORT A 57-year-old female patient received a cadaver kidney transplantation 8 years ago. She followed a long-term regimen of tacrolimus, mycophenolate sodium, and everolimus, with good renal function. She received annual regular abdominal ultrasound examinations after kidney transplantation, which showed no findings. The patient suffered from several symptoms for approximately 2 weeks before a scheduled abdominal ultrasound: diarrhea, epigastric pain, abdominal fullness, tea-colored urine, and little stool passage. The abdominal computerized tomography showed multiple hepatic tumors in both the hepatic lobes with engorged vasculatures and mild hemoperitoneum. A liver biopsy revealed the histopathology of angiosarcoma. The patient suffered multiple organ failure within one month of treatment. CONCLUSIONS Various post-transplant malignancies are not uncommon after transplantation, warranting periodic screenings for any symptoms in these patients.
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Affiliation(s)
- Show-Hwa Tong
- Department of Pharmacy, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi, Taiwan
| | - Yen-Ju Huang
- Department of Pathology, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi, Taiwan
| | - Yung-Cheng Yang
- Department of Surgery, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi, Taiwan
| | - Hui-Chuan Lin
- Department of Pharmacy, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chia-Yi, Taiwan
| | - Yeong-Chin Jou
- Department of Food Nutrition and Health Biotechnology, Asia University, Taichung, Taiwan; Division of Urology, Department of Surgery, St. Martin De Porres Hospital, Chia-Yi City, Taiwan.
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18
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Liu D, Quan X, Ji H, Xing X, Zhou C, Jing F. Risk Factors and Incidence of Malignancy After Kidney Transplant in Mainland China: A Single-Center Analysis. EXP CLIN TRANSPLANT 2022; 20:558-563. [DOI: 10.6002/ect.2022.0087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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19
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Jung SW, Lee H, Cha JM. Risk of malignancy in kidney transplant recipients: a nationwide population-based cohort study. BMC Nephrol 2022; 23:160. [PMID: 35484531 PMCID: PMC9047256 DOI: 10.1186/s12882-022-02796-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 04/18/2022] [Indexed: 11/21/2022] Open
Abstract
Background Post-transplant malignancy is major morbidity complicated in kidney transplantation (KT). In Korea, a few studies have investigated the sex- and age-dependent risk for post-transplant malignancy among KT recipients on a large scale. Methods We utilized a national health insurance database in Korea to investigate the relative risk of post-transplant malignancy in 12,634 KT recipients between 2007 and 2017. The same number of patients with acute appendicitis was included as a control group. The relative risk of malignancy was estimated using a multivariable-adjusted Cox model, and interaction analysis was performed to investigate age- and sex-predominant patterns. Results KT recipients had an overall 1.8-fold higher risk for post-transplant malignancy with an increased risk for 14 of 29 cancer types, among which Kaposi’s sarcoma, non-Hodgkin’s lymphoma, kidney, uterus, and bladder/urinary tract cancers were most prominent. Although the overall risk for post-transplant malignancy was similar between male and female KT recipients, head and neck cancer had a higher risk among male KT recipients, whereas non-Hodgkin’s lymphoma and bladder/urinary tract cancer had a higher risk among female KT recipients. Overall, the young (< 50 years) KT recipients had a higher risk for post-transplant malignancy than older ones (≥ 50 years), whose pattern was most prominent in non-Hodgkin’s lymphoma. In contrast, breast and nonmelanoma skin cancer showed a higher risk among older KT recipients. Conclusion KT recipients had an increased risk for a wide range of cancer types, some of which showed differential risk patterns with age and sex. Our result suggests that focused screening for predominant post-transplant malignancies may be an effective strategy for selected KT recipients. Supplementary Information The online version contains supplementary material available at 10.1186/s12882-022-02796-6.
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Affiliation(s)
- Su Woong Jung
- Division of Nephrology, Department of Internal Medicine, Kyung Hee University Hospital at Gangdong, Seoul, Republic of Korea
| | - Hyemi Lee
- Department of Bigdata and Bioinformatics, Kyung Hee University Hospital at Gangdong, Seoul, Republic of Korea
| | - Jae Myung Cha
- Department of Bigdata and Bioinformatics, Kyung Hee University Hospital at Gangdong, Seoul, Republic of Korea.
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20
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Abstract
Cancer is an important outcome after kidney transplantation because it is the second leading cause of death in most Western countries. The excess risk of cancer after transplantation is approximately two to three times higher than the age- and sex-matched general population, driven largely by viral- and immune-related cancers. Once cancer develops, outcomes are generally poor, particularly for those with melanoma, renal cell carcinoma, and post-transplant lymphoproliferative disease. More importantly, effective screening and treatment strategies are limited in this high-risk population. In this review, we begin with a patient's journey that maps the experience of living with a kidney transplant and understand the patient's knowledge, education, and experience of cancer in the context of transplantation. The epidemiology and burden of cancer in recipients of kidney transplants, along with the up-to-date screening and treatment strategies, are discussed. We also focus on the current understanding of optimal care for recipients of kidney transplants who are living with cancer from the patients' perspectives.
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Affiliation(s)
- David Al-Adra
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Talal Al-Qaoud
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin
| | - Kevin Fowler
- The Voice of the Patient, Inc., Columbia, Missouri
| | - Germaine Wong
- Sydney School of Public Health, University of Sydney, Sydney, New South Wales, Australia
- Centre for Kidney Research, Kids Research Institute, The Children’s Hospital at Westmead, Westmead, New South Wales, Australia
- Centre for Transplant and Renal Research, Westmead Hospital, Westmead, New South Wales, Australia
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21
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Abstract
Cancer remains a significant cause of morbidity and mortality in kidney transplant recipients, due to long-term immunosuppression. Salient issues to consider in decreasing the burden of malignancy among kidney transplant recipients include pretransplant recipient evaluation, post-transplant screening and monitoring, and optimal treatment strategies for the kidney transplant recipients with cancer. In this review, we address cancer incidence and outcomes, approaches to cancer screening and monitoring pretransplant and post-transplant, as well as treatment strategies, immunosuppressive management, and multidisciplinary approaches in the kidney transplant recipients with cancer.
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22
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Tang CH, Chen YC, Hsieh WT, Sue YM. Gender and Age Differences of Genitourinary Cancers Among Chronic Dialysis Patients in Taiwan. Clin Genitourin Cancer 2021; 20:e126-e134. [PMID: 34953755 DOI: 10.1016/j.clgc.2021.11.013] [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: 06/16/2021] [Revised: 11/20/2021] [Accepted: 11/26/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND To investigate the age and gender differences among chronic dialysis patients who developed genitourinary cancers in Taiwan. PATIENTS AND METHODS Incident hemodialysis patients aged 20 years or older were selected for retrospective cohort study from the National Health Insurance Research Database between 2002 and 2015, and the Taiwan Cancer Registry Database between 2007 and 2015. A two-step approach was employed to find the respective matched controls of non-dialysis patients. Finally, 65,450 dialysis patients and 261,800 non-dialysis patients were matched for further analysis. New diagnosis of genitourinary cancers during follow-up was the primary outcome of interest. RESULTS Dialysis was significantly associated with increased risk of all types of genitourinary cancers (P < .001), substantially within the first two years after dialysis initiation. Cox proportional hazard analysis showed a significantly increased hazard ratio (HR 6.58, 95% CI 6.05-7.16) among dialysis patients after multivariate adjustment, and the highest risk was bladder cancer (HR 7.85, 95% CI 6.97-8.84). Subgroup analysis showed younger dialysis patients (20-49 years old) had the highest risk of genitourinary cancer, especially females, in this subgroup with the highest risk of bladder cancer (HR 58.08, 95% CI 13.88-243.06). CONCLUSION The risks of all site-specific genitourinary cancers were increased in chronic dialysis patients, especially in younger females. Developing different screening strategies for these high-risk patients is necessary. MICRO ABSTRACT This study compared the effect of sex, age and dialysis duration on the susceptibility to develop genitourinary cancers in dialysis patients through the national health database linkage in Taiwan. We matched 65,450 dialysis patients and 261,800 non-dialysis patients for further analysis. Younger and female dialysis patients were at higher risk of kidney and bladder cancers.
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Affiliation(s)
- Chao-Hsiun Tang
- School of Health Care Administration, College of Management, Taipei Medical University, Taipei, Taiwan
| | - Yen-Cheng Chen
- Division of Nephrology, Department of Internal Medicine, Wan Fang Hospital; Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine; and Research Center of Urology and Kidney, Taipei Medical University, Taipei, Taiwan
| | - Wen-Ting Hsieh
- School of Health Care Administration, College of Management, Taipei Medical University, Taipei, Taiwan
| | - Yuh-Mou Sue
- Division of Nephrology, Department of Internal Medicine, Wan Fang Hospital; Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine; and Research Center of Urology and Kidney, Taipei Medical University, Taipei, Taiwan.
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23
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Rossi E, Schinzari G, Maiorano BA, Esposito I, Acampora A, Romagnoli J, Stefani AD, Regno LD, Lancellotta V, Fionda B, Tagliaferri L, Peris K, Tortora G. Immune-checkpoint inhibitors in renal transplanted patients affected by melanoma: a systematic review. Immunotherapy 2021; 14:65-75. [PMID: 34751039 DOI: 10.2217/imt-2021-0195] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Kidney transplantation leads to an increased risk of cancer. Melanoma is one of the most frequent neoplasms in kidney transplant recipients. Transplanted patients were excluded from trials with checkpoint inhibitors in melanoma. The authors performed a systematic review regarding the use of anti-PD1 and anti-CTLA4 agents in renal transplanted patients with melanoma. Thirty-four cases were included (24 progressive disease, eight partial responses and one stable disease) but no complete response were reported. Fourteen graft rejections were observed, especially with anti-PD1 agent. The median time from the start of immune-checkpoint inhibitor and rejection was 21 days. Response rate was similar between patients with rejection and patients without rejection. The benefit of immune-checkpoint inhibitors versus the risk of allograft rejection should be carefully weighted for each patient. A multidisciplinary approach should be considered to discuss the most appropriate treatment for every case, given the aggressiveness of melanoma in these subsets of patients.
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Affiliation(s)
- Ernesto Rossi
- Oncologia Medica, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, 00168, Italia
| | - Giovanni Schinzari
- Oncologia Medica, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, 00168, Italia.,Oncologia Medica, Università Cattolica del Sacro Cuore, Roma, 00168, Italia
| | - Brigida Anna Maiorano
- Unità di Oncologia, Fondazione Casa Sollievo della Sofferenza IRCCS, San Giovanni Rotondo (FG), 71013, Italia
| | - Ilaria Esposito
- Dermatologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, 00168, Italia
| | - Anna Acampora
- Sezione di Igiene, Dipartimento Universitario di Scienze della Vita e Sanità Pubblica, Università Cattolica del Sacro Cuore, Roma, Italia
| | - Jacopo Romagnoli
- Trapianti di Rene, Dipartimento di Scienze Mediche e Chirurgiche, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, 00168, Italia.,Dipartimento di Medicina e Chirurgia Traslazionale, Università Cattolica del Sacro Cuore, Roma, 00168, Italia
| | - Alessandro Di Stefani
- Dermatologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, 00168, Italia
| | - Laura Del Regno
- Dermatologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, 00168, Italia
| | - Valentina Lancellotta
- Radioterapia Oncologica, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, 00168, Italia
| | - Bruno Fionda
- Radioterapia Oncologica, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, 00168, Italia
| | - Luca Tagliaferri
- Radioterapia Oncologica, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, 00168, Italia
| | - Ketty Peris
- Dermatologia, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, 00168, Italia.,Dermatologia, Università Cattolica del Sacro Cuore, Roma, 00168, Italia
| | - Giampaolo Tortora
- Oncologia Medica, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, 00168, Italia.,Oncologia Medica, Università Cattolica del Sacro Cuore, Roma, 00168, Italia
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24
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Ho CJ, Huang YH, Hsieh TY, Yang MH, Wang SC, Chen WJ, Lee TH, Sung WW, Chen SL. Native Kidney Hydronephrosis Is Associated with Upper Urinary Tract Urothelial Carcinoma in Post-Kidney Transplantation Patients. J Clin Med 2021; 10:jcm10194474. [PMID: 34640492 PMCID: PMC8509333 DOI: 10.3390/jcm10194474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 09/27/2021] [Accepted: 09/27/2021] [Indexed: 11/16/2022] Open
Abstract
Background: Upper urinary tract urothelial carcinoma (UTUC) is the most common malignancy occurring after kidney transplantation (KT) in Taiwan. The aim of this study was to investigate the association between native kidney hydronephrosis and UTUC in post-KT patients. Methods: From 2003 to 2018, we conducted a retrospective cohort study that enrolled 1005 post-KT patients, 67 of whom were subsequently diagnosed with UTUC. We divided patients into two groups based on whether or not they had UTUC. Multivariate analysis and Kaplan-Meier plot were used to evaluate if native kidney hydronephrosis was associated with post-KT UTUC. Results: The total cohort consisted of 612 men (60.9%) and 393 women (39.1%) with a mean age of 48.2 ± 12.0 at KT. The mean follow-up time was 118.6 ± 70.2 months, and mean time from KT to UTUC was 7.53 years. There was a significant gender difference with a female predominance among the UTUC patients (73.1% versus 26.9%, p < 0.001). Native kidney hydronephrosis occurred more frequently in the UTUC group (68.7% versus 4.8%, p < 0.001). Multivariate analysis showed that native kidney hydronephrosis and female gender were significantly associated with UTUC with odds ratios of 35.32 (95% CI, 17.99–69.36; p < 0.001) and 3.37 (95% CI, 1.55–7.29; p = 0.002), respectively. UTUC in the post-KT patients also showed aggressive pathological characteristics and a tendency toward bilateral lesions (41.8%). Conclusions: Native kidney hydronephrosis is significantly associated with post-KT UTUC patients in Taiwan. Native kidney hydronephrosis may be a deciding factor for standard nephroureterectomy and bladder cuff excision in selected patients. Nevertheless, almost half of the patients with kidney hydronephrosis do not present with UTUC at the end of our study.
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Affiliation(s)
- Cheng-Ju Ho
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan; (C.-J.H.); (T.-Y.H.); (M.-H.Y.); (S.-C.W.); (W.-J.C.); (W.-W.S.)
- Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan;
| | - Yu-Hui Huang
- Department of Physical Medicine and Rehabilitation, Chung Shan Medical University Hospital, Taichung 402, Taiwan;
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Tzuo-Yi Hsieh
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan; (C.-J.H.); (T.-Y.H.); (M.-H.Y.); (S.-C.W.); (W.-J.C.); (W.-W.S.)
- Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan;
| | - Min-Hsin Yang
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan; (C.-J.H.); (T.-Y.H.); (M.-H.Y.); (S.-C.W.); (W.-J.C.); (W.-W.S.)
- Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan;
| | - Shao-Chuan Wang
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan; (C.-J.H.); (T.-Y.H.); (M.-H.Y.); (S.-C.W.); (W.-J.C.); (W.-W.S.)
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Wen-Jung Chen
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan; (C.-J.H.); (T.-Y.H.); (M.-H.Y.); (S.-C.W.); (W.-J.C.); (W.-W.S.)
- Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan;
| | - Tsung-Hsien Lee
- Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan;
- Department of Obstetrics and Gynecology, Chung Shan Medical University Hospital, Taichung 402, Taiwan
| | - Wen-Wei Sung
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan; (C.-J.H.); (T.-Y.H.); (M.-H.Y.); (S.-C.W.); (W.-J.C.); (W.-W.S.)
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
| | - Sung-Lang Chen
- Department of Urology, Chung Shan Medical University Hospital, Taichung 402, Taiwan; (C.-J.H.); (T.-Y.H.); (M.-H.Y.); (S.-C.W.); (W.-J.C.); (W.-W.S.)
- School of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
- Correspondence: ; Tel.: +886-4-2473-9595 (ext. 34808); Fax: +886-4-2472-8098
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Cancer After Pediatric Kidney Transplantation: A Long-term Single-center Experience in Japan. Transplant Direct 2021; 7:e687. [PMID: 34549085 PMCID: PMC8440015 DOI: 10.1097/txd.0000000000001137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 01/21/2021] [Indexed: 01/17/2023] Open
Abstract
Background The cancer incidence, types, and risk factors after pediatric kidney transplantation (KT) have been reported in the United States, Canada, Europe, Australia, and New Zealand. However, no information is available about cancer in pediatric KT recipients in Asian countries. Methods Children aged <20 y who underwent initial KT from 1983 to 2016 were analyzed. We compared the cancer incidence with that in the general Japanese population using standardized incidence ratio and examined posttransplant cancer risk using Cox proportional hazards models. Results A total of 356 children (median age, 11.7 y; interquartile range, 5.0-17.6) received KT with a follow-up period of 4466 person-years. The median age of cancer onset was 18.5 y (interquartile range, 8.0-32.3), and 13 cancers occurred in 12 patients (3.4%). Two patients died from cancer. The most common cancers were posttransplant lymphoproliferative disorders (PTLDs) (38.5%). The median time to PTLD and non-PTLD diagnosis after KT was 0.6 and 16.4 y, respectively. There was no occurrence of skin cancer. The posttransplant cancer incidence was 9.9 times higher than that in the general age-matched population (standardized incidence ratio = 9.9; 95% confidence interval, 4.80-18.39). The cumulative cancer incidence was 5.3% in 20 y after KT, which is lower than that reported in previous studies. We could not identify any risk factors for all cancer after KT in all patients, whereas subgroup analysis in 264 patients with available data of recipient Epstein-Barr virus serological status showed that recipient Epstein-Barr virus-negative serology was an independent risk factor for cancer development. Conclusions The incidence of cancer is higher in Japanese pediatric KT recipients than in the general population. The cumulative incidence of cancer after KT was lower in our population than that previously reported. This may be because there was no skin cancer observed in the Japanese pediatric KT recipients in our study.
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Kim B, Kang M, Kim Y, Lee HS, Kim B, Lee JJ, Park Y, Lee KA. De Novo Cancer Incidence after Kidney Transplantation in South Korea from 2002 to 2017. J Clin Med 2021; 10:jcm10163530. [PMID: 34441826 PMCID: PMC8396914 DOI: 10.3390/jcm10163530] [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: 07/12/2021] [Revised: 08/05/2021] [Accepted: 08/10/2021] [Indexed: 12/26/2022] Open
Abstract
Advances in patient care and immunosuppressive drugs have improved graft survival, resulting in an increase in kidney transplantation (KT); however, persistent immunosuppression is thought to cause late occurrence of cancer. This population-based study consisted of a total of 14,842 patients whose data from the years 2002 to 2017 were collected from the National Health Information Database in South Korea. Malignancies occurred in 7.6% of the total KT patients. Prostate and thyroid cancers were the most common in males and females, respectively. From the age-adjusted incidence analysis, Kaposi’s sarcoma showed the highest standardized incidence ratio in both male and female patients. According to the linear regression model, cancer incidence in KT recipients under immunosuppressive conditions increased by approximately 0.1% each month. Patients’ age over 39 and the use of prednisolone as an initial steroid regimen were associated with increased risk of cancer development after KT. Our regression and proportional hazards models will help clinicians to predict the approximate cancer incidence risk when monitoring KT recipients. Based on the largest available national database, screening or monitoring methods for cancer detection and prevention can be established for KT patients by considering the factors involved in cancer development.
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Affiliation(s)
- Boyeon Kim
- Department of Laboratory Medicine, National Health Insurance Service Ilsan Hospital, Goyang-si 10444, Korea; (B.K.); (B.K.)
- Department of Laboratory Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Korea; (Y.K.); (K.-A.L.)
| | - Minjin Kang
- Research Institute, National Health Insurance Service Ilsan Hospital, Goyang 10444, Korea;
| | - Yoonjung Kim
- Department of Laboratory Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Korea; (Y.K.); (K.-A.L.)
| | - Hyung Soon Lee
- Department of Surgery, National Health Insurance Service Ilsan Hospital, Goyang 10444, Korea;
| | - Banseok Kim
- Department of Laboratory Medicine, National Health Insurance Service Ilsan Hospital, Goyang-si 10444, Korea; (B.K.); (B.K.)
| | - Jung Jun Lee
- Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Korea
- Correspondence: (J.J.L.); (Y.P.); Tel.: +82-2-2019-3533 (Y.P.)
| | - Yongjung Park
- Department of Laboratory Medicine, National Health Insurance Service Ilsan Hospital, Goyang-si 10444, Korea; (B.K.); (B.K.)
- Department of Laboratory Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Korea; (Y.K.); (K.-A.L.)
- Correspondence: (J.J.L.); (Y.P.); Tel.: +82-2-2019-3533 (Y.P.)
| | - Kyung-A Lee
- Department of Laboratory Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Korea; (Y.K.); (K.-A.L.)
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Jue JS, Alameddine M, Gonzále J, Cianci G. Risk factors, management, and survival of bladder cancer after kidney transplantation. Actas Urol Esp 2021; 45:427-438. [PMID: 34147429 DOI: 10.1016/j.acuroe.2020.09.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Accepted: 09/22/2020] [Indexed: 12/14/2022]
Abstract
INTRODUCTION AND OBJECTIVES Kidney transplantation is associated with an increased risk of bladder cancer; however guidelines have not been established on the management of bladder cancer after kidney transplantation. MATERIALS AND METHODS A systematic literature review using PubMed was performed in accordance with the PRISMA statement to identify studies concerning the prevalence and survival of bladder cancer after kidney transplantation. The risk factors and management of bladder cancer after kidney transplantation were also reviewed and discussed. RESULTS A total of 41 studies, published between 1996 and 2018, reporting primary data on bladder cancer after kidney transplantation were identified. Marked heterogeneity in bladder cancer prevalence, time to diagnosis, non-muscle invasive/muscle-invasive bladder cancer prevalence, and survival was noted. Four studies, published between 2003 and 2017, reporting primary data on bladder cancer treated with Bacillus Calmette-Guérin (BCG) after kidney transplantation were identified. Disease-free survival, cancer-specific survival, and overall survival were similar between BCG studies (75-100%). CONCLUSIONS Carcinogen exposure that led to ESRD, BKV, HPV, immunosuppressive agents, and the immunosuppressed state likely contribute to the increased risk of bladder cancer after renal transplantation. Non-muscle invasive disease should be treated with transurethral resection. BCG can be safely used in transplant recipients and likely improves the disease course. Muscle-invasive disease should be treated with radical cystectomy, with special consideration to the dissection and urinary diversion choice. Chemotherapy and immune checkpoint inhibitors can be safely used in regionally advanced bladder cancer with potential benefit. mTOR inhibitors may reduce the risk of developing bladder cancer, and immunosuppression medications should be reduced if malignancy develops.
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Affiliation(s)
- J S Jue
- Department of Urology, Lenox Hill Hospital, Northwell Health, Zucker School of Medicine at Hofstra/Northwell, New York, United States; Department of Urology, Hospital General Universitario Gregorio Marañón, Madrid, Spain.
| | - M Alameddine
- Department of Surgery, Jackson Memorial Hospital, University of Miami Miller School of Medicine, Miami, United States; Miami Transplant Institute, Jackson Memorial Hospital, University of Miami Miller School of Medicine, Miami, United States; Department of Urology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - J Gonzále
- Department of Surgery, Jackson Memorial Hospital, University of Miami Miller School of Medicine, Miami, United States; Department of Urology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - G Cianci
- Department of Surgery, Jackson Memorial Hospital, University of Miami Miller School of Medicine, Miami, United States; Department of Urology, Jackson Memorial Hospital, University of Miami Miller School of Medicine, Miami, United States; Miami Transplant Institute, Jackson Memorial Hospital, University of Miami Miller School of Medicine, Miami, United States; Department of Urology, Hospital General Universitario Gregorio Marañón, Madrid, Spain
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Huang ST, Yu TM, Chuang YW, Chen CH, Wu MJ, Wang IK, Li CY, Lin CL, Kao CH. Pneumococcal pneumonia in adult hospitalised solid organ transplant recipients: Nationwide, population-based surveillance. Int J Clin Pract 2021; 75:e14126. [PMID: 33638887 DOI: 10.1111/ijcp.14126] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 02/26/2021] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Pneumococcal disease poses a burden to the community in high risk population. Most early studies focused on invasive pneumococcal disease. However, the epidemiology of pneumococcal pneumonia (PP) requiring hospitalisation in solid organ transplant recipients (SOTRs) is poorly defined. METHODS We conducted a retrospective cohort study (January 1, 2000 and December 31, 2012) to evaluate the risk of PP requiring hospitalisation in SOTRs. SOTRs and non-SOT cohorts, propensity score-matched at a 1:1 ratio for age, sex, index date and underlying comorbidities, were identified from the National Health Insurance Research Database. RESULTS Each cohort consisted of 7507 patients. In the SOT cohort, 26 episodes of PP requiring hospitalisation were identified (incidence rate of 52.4 per 100,000 person-years). The risk of PP requiring hospitalisation in the SOT cohort was 1.50 times greater than in the non-SOT cohort [adjusted hazard ratio: 1.50, 95% confidence interval = 1.31-1.71, P < .001]. The nested case control study identified older age, kidney transplant, and concomitant chronic obstructive pulmonary disease, chronic kidney disease and heart failure as predictors of PP requiring hospitalisation in the SOT cohort. The highest risk period for PP requiring hospitalisation occurred within the first year of transplantation (36.47 per 1000 patients). Amongst kidney transplant recipients, patients with PP requiring hospitalisation exhibited higher cumulative incidences of graft failure than those without PP (log-rank test: P value = .004). CONCLUSIONS SOTRs are at risk of PP requiring hospitalisation with its attendant morbidity. Strategies to reduce risk of PP requiring hospitalisation using preventive vaccinations warrant further study.
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Affiliation(s)
- Shih-Ting Huang
- Division of Nephrology, Taichung Veterans General Hospital, Taichung, Taiwan
- Graduate Institute of Public Health, China Medical University, Taichung, Taiwan
| | - Tung-Min Yu
- Division of Nephrology, Taichung Veterans General Hospital, Taichung, Taiwan
- Graduate Institute of Biomedical Sciences, College of Medicine, China Medical University, Taichung, Taiwan
| | - Ya-Wen Chuang
- Division of Nephrology, Taichung Veterans General Hospital, Taichung, Taiwan
- Graduate Institute of Public Health, China Medical University, Taichung, Taiwan
| | - Cheng-Hsu Chen
- Division of Nephrology, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Ming-Ju Wu
- Division of Nephrology, Taichung Veterans General Hospital, Taichung, Taiwan
| | - I-Kuan Wang
- Graduate Institute of Biomedical Sciences, College of Medicine, China Medical University, Taichung, Taiwan
- Division of Nephrology, China Medical University Hospital, Taichung, Taiwan
| | - Chi-Yuan Li
- Graduate Institute of Biomedical Sciences, College of Medicine, China Medical University, Taichung, Taiwan
- Division of Anesthesiology, China Medical University Hospital, Taichung, Taiwan
| | - Cheng-Li Lin
- Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan
- College of Medicine, China Medical University, Taichung, Taiwan
| | - Chia-Hung Kao
- Graduate Institute of Biomedical Sciences, College of Medicine, China Medical University, Taichung, Taiwan
- Department of Nuclear Medicine and PET Center, China Medical University, Taichung, Taiwan
- Department of Bioinformatics and Medical Engineering, Asia University, Taichung, Taiwan
- Center of Augmented Intelligence in Healthcare, China Medical University Hospital, Taichung, Taiwan
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Renal cell carcinoma in native nephrectomy specimens of autosomal dominant polycystic kidney disease (ADPKD) patients with end-stage renal disease: Findings from an Australian transplant center. JOURNAL OF CLINICAL UROLOGY 2021. [DOI: 10.1177/20514158211010653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Objectives: The aim of this study was to present a contemporary review of renal cell carcinoma (RCC) in native nephrectomy (NN) specimens of patients with autosomal dominant polycystic kidney disease (ADPKD) and end-stage renal disease (ESRD). Materials (patients) and methods: A retrospective review of all ADPKD patients who underwent NN from 1 October 2010 to 31 July 2019 was performed. Data was collected on demographics, length of time on renal replacement therapy, indications for surgery, perioperative details, and histology. Results: In total, 32 NNs were performed in our study period with 12.5% ( n=4) histologically diagnosed with RCC, consisting of 75% ( n=3) Type 1 papillary RCC (p RCC) and 25% ( n=1) clear cell RCC. Average age of ADPKD patients with ESRD diagnosed with RCC was 67±5.9 years. Average time on dialysis for RCC and non-RCC patients was 35.75±46.28 and 22.04±24.33 months, respectively. We did not find a significant correlation between the diagnosis of RCC and time on dialysis. Conclusion: Our contemporary series shows a significant proportion of ADPKD patients with ESRD undergoing NN have RCC. Compared to previously published datasets, our patients are older, and selective to those with very large kidneys and lesions suspicious for RCC. While there may be a role in imaging native kidneys with ADPKD to rule out suspicious lesions, it must be balanced against the cost, radiation exposure, and potential harm from an increased rate of nephrectomy that may ensue for suspicious lesions found on screening. Level of evidence: Not applicable for this multicentre audit.
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30
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Buxeda A, Redondo-Pachón D, Pérez-Sáez MJ, Crespo M, Pascual J. Sex differences in cancer risk and outcomes after kidney transplantation. Transplant Rev (Orlando) 2021; 35:100625. [PMID: 34020178 DOI: 10.1016/j.trre.2021.100625] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 04/27/2021] [Accepted: 04/28/2021] [Indexed: 02/06/2023]
Abstract
Kidney transplant recipients (KTRs) experience a two- to four-fold increased risk of developing and dying from cancer compared with the general population. High cancer risk results from the interaction of both modifiable and non-modifiable factors. This mapping review explores the impact of sex disparity on cancer's increased incidence and mortality after kidney transplantation (KT). In terms of age, population-based studies indicate that younger recipients of both sexes experience a higher risk of cancer, but this is more pronounced in young women. On the contrary, older men are more likely to be diagnosed with cancer, although their increased risk is not statistically significant compared with the general population. Regarding cancer type, studies show an increased risk of Kaposi sarcoma, gynecologic and lung cancer in women, and bladder and kidney cancer in men. Immune-related cancers such as pos-transplant lymphoproliferative disorders and melanoma are increased in both sexes. Mortality also shows differences between sexes. Although cancer is the second cause of death in both male and female KTRs, studies show higher overall mortality in men and elderly recipients. However, the relative risk of cancer mortality compared with the general population is higher at a younger age, with disparate results regarding sex. Female KTRs appear to die at a younger age than males when compared with the general population. Differences in cancer rates by sex after renal transplantation need further studies. A better understanding of sex-specific differences in cancer epidemiology after KT could help nephrologists to better address pre-transplant counseling, to establish early surveillance programs, and to plan modifiable risk factors such as immunosuppression.
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Affiliation(s)
- Anna Buxeda
- Department of Nephrology, Hospital del Mar, Barcelona, Spain.
| | | | | | - Marta Crespo
- Department of Nephrology, Hospital del Mar, Barcelona, Spain
| | - Julio Pascual
- Department of Nephrology, Hospital del Mar, Barcelona, Spain
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31
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Jue J, Alameddine M, González J, Ciancio G. Risk factors, management, and survival of bladder cancer after kidney transplantation. Actas Urol Esp 2021. [PMID: 33994047 DOI: 10.1016/j.acuro.2020.09.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
INTRODUCTION AND OBJECTIVES Kidney transplantation is associated with an increased risk of bladder cancer; however guidelines have not been established on the management of bladder cancer after kidney transplantation. MATERIALS AND METHODS A systematic literature review using PubMed was performed in accordance with the PRISMA statement to identify studies concerning the prevalence and survival of bladder cancer after kidney transplantation. The risk factors and management of bladder cancer after kidney transplantation were also reviewed and discussed. RESULTS A total of 41 studies, published between 1996 and 2018, reporting primary data on bladder cancer after kidney transplantation were identified. Marked heterogeneity in bladder cancer prevalence, time to diagnosis, non-muscle invasive/muscle-invasive bladder cancer prevalence, and survival was noted. Four studies, published between 2003 and 2017, reporting primary data on bladder cancer treated with Bacillus Calmette-Guérin (BCG) after kidney transplantation were identified. Disease-free survival, cancer-specific survival, and overall survival were similar between BCG studies (75-100%). CONCLUSIONS Carcinogen exposure that led to ESRD, BKV, HPV, immunosuppressive agents, and the immunosuppressed state likely contribute to the increased risk of bladder cancer after renal transplantation. Non-muscle invasive disease should be treated with transurethral resection. BCG can be safely used in transplant recipients and likely improves the disease course. Muscle-invasive disease should be treated with radical cystectomy, with special consideration to the dissection and urinary diversion choice. Chemotherapy and immune checkpoint inhibitors can be safely used in regionally advanced bladder cancer with potential benefit. mTOR inhibitors may reduce the risk of developing bladder cancer, and immunosuppression medications should be reduced if malignancy develops.
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32
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Li YJ, Wu HH, Chen CH, Wang HH, Chiang YJ, Hsu HH, Pang ST, Wang RYL, Tian YC. High Incidence and Early Onset of Urinary Tract Cancers in Patients with BK Polyomavirus Associated Nephropathy. Viruses 2021; 13:v13030476. [PMID: 33799453 PMCID: PMC8001968 DOI: 10.3390/v13030476] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 03/06/2021] [Accepted: 03/09/2021] [Indexed: 12/27/2022] Open
Abstract
Over-immunosuppressed kidney transplant recipients are susceptible to malignancies and BK polyomavirus (BKPyV)-associated nephropathy (BKPyVAN). This study aimed to verify the association between BKPyV infection and urinary tract cancers (UTC). A total of 244 kidney transplant recipients were enrolled at Chang Gung Memorial Hospital from June 2000 to February 2020. Biopsy-proven BKPyVAN patients (n = 17) had worse kidney function (eGFR: 26 ± 13.7 vs. 47.8 ± 31.0 mL/min/1.73 m2). The 5-year allograft survival rates for patients with and without BKPyVAN were 67% and 93%, respectively (p = 0.0002), while the 10-year patient survival was not different between the two groups. BKPyVAN patients had a significantly higher incidence of UTC compared to the non-BKPyVAN group (29.4% vs. 6.6%). Kaplan-Meier analysis showed that the UTC-free survival rate was significantly lower in BKPyVAN patients, and the onset of UTC was significantly shorter in BKPyVAN patients (53.4 vs. 108.9 months). The multivariate logistic regression analysis demonstrated that age (RR = 1.062) and BKVAN (RR = 6.459) were the most significant risk factors for the development of UTC. Our study demonstrates that BKPyVAN patients have greater allograft losses, higher incidence, a lower cancer-free survival rate, and an earlier onset with a higher relative risk of developing UTC compared to non-BKPyVAN patients.
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Affiliation(s)
- Yi-Jung Li
- Kidney Research Center and Department of Nephrology, Linkou Chang Gung Memorial Hospital, Taoyuan 333, Taiwan; (Y.-J.L.); (H.-H.W.); (H.-H.H.)
- Department of Medicine, Chang Gung University, Taoyuan 333, Taiwan; (H.-H.W.); (S.-T.P.)
| | - Hsin-Hsu Wu
- Kidney Research Center and Department of Nephrology, Linkou Chang Gung Memorial Hospital, Taoyuan 333, Taiwan; (Y.-J.L.); (H.-H.W.); (H.-H.H.)
- Department of Medicine, Chang Gung University, Taoyuan 333, Taiwan; (H.-H.W.); (S.-T.P.)
| | - Cheng-Hsu Chen
- Division of Nephrology, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung 407, Taiwan;
| | - Hsu-Han Wang
- Department of Medicine, Chang Gung University, Taoyuan 333, Taiwan; (H.-H.W.); (S.-T.P.)
- Department of Urology, Linkou Chang Gung Memorial Hospital, Taoyuan 333, Taiwan;
| | - Yang-Jen Chiang
- Department of Urology, Linkou Chang Gung Memorial Hospital, Taoyuan 333, Taiwan;
| | - Hsiang-Hao Hsu
- Kidney Research Center and Department of Nephrology, Linkou Chang Gung Memorial Hospital, Taoyuan 333, Taiwan; (Y.-J.L.); (H.-H.W.); (H.-H.H.)
- Department of Medicine, Chang Gung University, Taoyuan 333, Taiwan; (H.-H.W.); (S.-T.P.)
| | - See-Tong Pang
- Department of Medicine, Chang Gung University, Taoyuan 333, Taiwan; (H.-H.W.); (S.-T.P.)
- Department of Urology, Linkou Chang Gung Memorial Hospital, Taoyuan 333, Taiwan;
| | - Robert Y. L. Wang
- Department of Biomedical Sciences, College of Medicine, Chang Gung University, Taoyuan 333, Taiwan;
| | - Ya-Chung Tian
- Kidney Research Center and Department of Nephrology, Linkou Chang Gung Memorial Hospital, Taoyuan 333, Taiwan; (Y.-J.L.); (H.-H.W.); (H.-H.H.)
- Department of Medicine, Chang Gung University, Taoyuan 333, Taiwan; (H.-H.W.); (S.-T.P.)
- Correspondence: ; Tel.: +886-328-1200 (ext. 8181); Fax: +886-328-2173
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33
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van Oosten MJM, Logtenberg SJJ, Edens MA, Hemmelder MH, Jager KJ, Bilo HJG, Stel VS. Health claims databases used for kidney research around the world. Clin Kidney J 2021; 14:84-97. [PMID: 33564408 PMCID: PMC7857833 DOI: 10.1093/ckj/sfaa076] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 04/07/2020] [Indexed: 12/16/2022] Open
Abstract
Health claims databases offer opportunities for studies on large populations of patients with kidney disease and health outcomes in a non-experimental setting. Among others, their unique features enable studies on healthcare costs or on longitudinal, epidemiological data with nationwide coverage. However, health claims databases also have several limitations. Because clinical data and information on renal function are often lacking, the identification of patients with kidney disease depends on the actual presence of diagnosis codes only. Investigating the validity of these data is therefore crucial to assess whether outcomes derived from health claims data are truly meaningful. Also, one should take into account the coverage and content of a health claims database, especially when making international comparisons. In this article, an overview is provided of international health claims databases and their main publications in the area of nephrology. The structure and contents of the Dutch health claims database will be described, as well as an initiative to use the outcomes for research and the development of the Dutch Kidney Atlas. Finally, we will discuss to what extent one might be able to identify patients with kidney disease using health claims databases, as well as their strengths and limitations.
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Affiliation(s)
- Manon J M van Oosten
- Department of Medical Informatics, Amsterdam UMC, Amsterdam Public Health Research Institute, University of Amsterdam, Amsterdam, The Netherlands
| | | | - Mireille A Edens
- Diabetes Research Center and Department of Epidemiology and Statistics, Isala Hospital, Zwolle, The Netherlands
| | - Marc H Hemmelder
- Dutch Renal Registry (Renine), Nefrovisie Foundation, Utrecht, The Netherlands
- Department of Internal Medicine, Medical Center Leeuwarden, Leeuwarden, The Netherlands
| | - Kitty J Jager
- Department of Medical Informatics, Amsterdam UMC, Amsterdam Public Health Research Institute, University of Amsterdam, Amsterdam, The Netherlands
| | - Henk J G Bilo
- Diabetes Research Center and Department of Epidemiology and Statistics, Isala Hospital, Zwolle, The Netherlands
- Department of Internal Medicine, University Medical Center, Groningen, The Netherlands
- Faculty of Medicine, Groningen University, Groningen, The Netherlands
| | - Vianda S Stel
- Department of Medical Informatics, Amsterdam UMC, Amsterdam Public Health Research Institute, University of Amsterdam, Amsterdam, The Netherlands
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34
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Lim LM, Kung LF, Kuo MC, Huang AM, Kuo HT. Timing of mTORI usage and outcomes in kidney transplant recipients. Int J Med Sci 2021; 18:1179-1184. [PMID: 33526978 PMCID: PMC7847621 DOI: 10.7150/ijms.53655] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 12/18/2020] [Indexed: 12/17/2022] Open
Abstract
The introduction of mammalian target of rapamycin inhibitors (mTORi) as immunosuppressive agents has changed the landscape of calcineurin inhibitor-based immunosuppressive regimens. However, the timing of mTORi conversion and its associated outcomes in kidney transplantation have conflicting results. This study investigated the effect of early or late mTORi post-transplant initiation on major transplant outcomes, including post-transplant malignancy, in kidney transplant recipients in our center. We enrolled 201 kidney transplant recipients with surviving function grafts of >3 months between 1983 and 2016. Patients were divided into three groups: early mTORi (initiated within 6 months of kidney transplantation), late mTORi, (mTORi initiation >6 months after kidney transplantation) and no mTORi. The mean creatinine at conversion was 1.46 ± 0.48 mg/dL and 1.30 ± 0.53 mg/dL for the early and late mTORi groups, respectively. During the study period, 10.5% of mTORi users and 19.2% of mTORi nonusers developed malignancy, mainly urothelial carcinoma. After adjustment for confounding factors, mTORi users were found to have a lower incidence of post-transplant malignancy than did nonusers (adjusted OR: 0.28, P = 0.04). No significant difference was observed between early and late mTORi users. Our results verified the potential advantages of mTORi usage in reducing cancer incidence after kidney transplantation. However, no significant result was found related to the timing of mTORi introduction. Future studies should include a longer observation period with a larger cohort.
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Affiliation(s)
- Lee-Moay Lim
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Lan-Fang Kung
- Department of Nursing, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Mei-Chuan Kuo
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Faculty of Renal Care, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - A-Mei Huang
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Biochemistry, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Hung-Tien Kuo
- Division of Nephrology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Faculty of Renal Care, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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Imamura R, Nakazawa S, Yamanaka K, Kakuta Y, Tsutahara K, Taniguchi A, Kawamura M, Kato T, Abe T, Uemura M, Takao T, Kishikawa H, Nonomura N. Cumulative cancer incidence and mortality after kidney transplantation in Japan: A long-term multicenter cohort study. Cancer Med 2020; 10:2205-2215. [PMID: 33314709 PMCID: PMC7982608 DOI: 10.1002/cam4.3636] [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: 07/27/2020] [Revised: 11/04/2020] [Accepted: 11/15/2020] [Indexed: 12/11/2022] Open
Abstract
Kidney transplantation is the most promising treatment to improve mortality and life quality in end‐stage kidney disease; however, cancer remains a leading cause of death. Several factors including immunosuppressants might be associated with a gradual increase in cumulative cancer incidence after kidney transplantation. Risk factors for cancer and overall and cancer‐specific survival were analyzed in 1973 kidney transplant recipients from three study institutions in Japan. The 5‐, 10‐, 20‐, and 30‐year overall and cancer‐specific survival rates were 93.3%, 88.4%, 78.0%, and 63.6% and 99.4%, 98.0%, 95.3%, and 91.7%, respectively. The overall survival rate was significantly higher and the graft survival rate was significantly lower in recipients without cancer than in those with cancer. Older recipient age, longer dialysis duration before kidney transplantation, and history of transfusion were significant predictors of cancer. Dialysis duration before kidney transplantation was a prognostic factor of overall survival rate. Regarding cancer‐specific survival rates, older recipient age and dialysis duration before kidney transplantation were prognostic factors of worse cancer‐specific survival rates. The type of immunosuppressant was not associated with an increased cancer rate. Aggressiveness of immunosuppressant regimens or potent immunosuppressants might improve graft survival rate while inducing de novo cancer after kidney transplantation. Older age and longer dialysis duration before kidney transplantation were risk factors of cancer‐specific survival rate.
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Affiliation(s)
- Ryoichi Imamura
- Department of Urology, Osaka University Graduate School of Medicine, Suita Osaka, Japan
| | - Shigeaki Nakazawa
- Department of Urology, Osaka University Graduate School of Medicine, Suita Osaka, Japan
| | - Kazuaki Yamanaka
- Department of Urology, Hyogo Prefectural Nishinomiya Hospital, Nishinomiya Hyogo, Japan
| | - Yoichi Kakuta
- Department of Urology, Osaka General Medical Center, Osaka, Japan
| | - Koichi Tsutahara
- Department of Urology, Osaka General Medical Center, Osaka, Japan
| | - Ayumu Taniguchi
- Department of Urology, Osaka University Graduate School of Medicine, Suita Osaka, Japan
| | - Masataka Kawamura
- Department of Urology, Osaka University Graduate School of Medicine, Suita Osaka, Japan
| | - Taigo Kato
- Department of Urology, Osaka University Graduate School of Medicine, Suita Osaka, Japan
| | - Toyofumi Abe
- Department of Urology, Osaka University Graduate School of Medicine, Suita Osaka, Japan
| | - Motohide Uemura
- Department of Urology, Osaka University Graduate School of Medicine, Suita Osaka, Japan
| | - Tetsuya Takao
- Department of Urology, Osaka General Medical Center, Osaka, Japan
| | - Hidefumi Kishikawa
- Department of Urology, Hyogo Prefectural Nishinomiya Hospital, Nishinomiya Hyogo, Japan
| | - Norio Nonomura
- Department of Urology, Osaka University Graduate School of Medicine, Suita Osaka, Japan
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36
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Incidence of malignancy and related mortality after kidney transplantation: a nationwide, population-based cohort study in Korea. Sci Rep 2020; 10:21398. [PMID: 33293655 PMCID: PMC7722878 DOI: 10.1038/s41598-020-78283-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 11/05/2020] [Indexed: 01/01/2023] Open
Abstract
Post-transplant malignancy (PTM) is a leading cause of premature mortality among kidney transplantation recipients. However, population-based cohort studies that cover incidence, mortality, and risk factors for PTM are rarely reported, especially in East Asia. We designed a retrospective cohort study using a national population-based database. A total of 9915 kidney recipients between 2003 and 2016 were included. During this period, 598 cases (6.0%) of de novo PTM occurred. The most common PTM was thyroid cancer (14.2%), followed by colorectal (11.2%), kidney (10.7%), and stomach cancers (8.9%). The standardised incidence ratio for all-site cancer was 3.9. The risks of Kaposi sarcoma (192.9) and kidney cancer (21.1) were more than 10 times those of the general population. Cancer-related deaths were 89 (14.9%) with liver cancer being the highest (14.6%), followed by lung cancer (13.5%), non-Hodgkin lymphoma (NHL) (12.4%), stomach cancer (9.0%), and colorectal cancer (7.9%). The standardised mortality ratio (SMR) was slightly elevated (1.4). A notable increase in SMR was observed for lymphoma (9.3 for Hodgkin lymphoma and 5.5 for NHL). Older age and graft failure were significantly related to PTM. These findings reflecting geographical variation have implications for the development of strategies for fatal cancers to prevent premature deaths from PTM.
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Huo Z, Li C, Xu X, Ge F, Wang R, Wen Y, Peng H, Wu X, Liang H, Peng G, Li R, Huang D, Chen Y, Zhong R, Cheng B, Xiong S, Lin W, He J, Liang W. Cancer Risks in Solid Organ Transplant Recipients: Results from a Comprehensive Analysis of 72 Cohort Studies. Oncoimmunology 2020; 9:1848068. [PMID: 33299661 PMCID: PMC7714465 DOI: 10.1080/2162402x.2020.1848068] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Accepted: 11/06/2020] [Indexed: 02/06/2023] Open
Abstract
Understanding the cancer risks in different transplant recipients helps early detection, evaluation, and treatment of post-transplant malignancies. Therefore, we performed a meta-analysis to determine the cancer risks at multiple sites for solid organ transplant recipients and their associations with tumor mutation burden (TMB), which reflects the immunogenicity. A comprehensive search of PubMed, Web of Science, EMBASE, Medline, and Cochrane Library was conducted. Random effects models were used to calculate the standardized incidence ratios (SIRs) versus the general population and determine the risks of different cancers. Linear regression (LR) was used to analyze the association between the SIRs and TMBs. Finally, seventy-two articles met our criteria, involving 2,105,122 solid organ transplant recipients. Compared with the general population, solid organ transplant recipients displayed a 2.68-fold cancer risk (SIR 2.68; 2.48-2.89; P <.001), renal transplant recipients displayed a 2.56-fold cancer risk (SIR 2.56; 2.31-2.84; P <.001), liver transplant recipients displayed a 2.45-fold cancer risk (SIR 2.45; 2.22-2.70; P <.001), heart and/or lung transplant recipients displayed a 3.72-fold cancer risk (SIR 3.72; 3.04-4.54; P <.001). The correlation coefficients between SIRs and TMBs were 0.68, 0.64, 0.59, 0.79 in solid organ recipients, renal recipients, liver recipients, heart and/or lung recipients, respectively. In conclusion, our study demonstrated that solid organ transplant recipients displayed a higher risk of some site-specific cancers, providing individualized guidance for clinicians to early detect, evaluate, and treat cancer among solid organ transplantation recipients. In addition, the increased cancer risk of solid organ transplant recipients is associated with TMB, suggesting that iatrogenic immunosuppression may contribute to the increased cancer risk in transplant recipients. (PROSPERO ID CRD42020160409).
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Affiliation(s)
- Zhenyu Huo
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Nanshan School, Guangzhou Medical University, Guangzhou, China
| | - Caichen Li
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xin Xu
- Department of Transplantation, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Fan Ge
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- First Clinical School, Guangzhou Medical University, Guangzhou, China
| | - Runchen Wang
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Nanshan School, Guangzhou Medical University, Guangzhou, China
| | - Yaokai Wen
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Nanshan School, Guangzhou Medical University, Guangzhou, China
| | - Haoxin Peng
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Nanshan School, Guangzhou Medical University, Guangzhou, China
| | - Xiangrong Wu
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Nanshan School, Guangzhou Medical University, Guangzhou, China
| | - Hengrui Liang
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Guilin Peng
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Department of Transplantation, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Run Li
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Department of Transplantation, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Danxia Huang
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Department of Transplantation, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Ying Chen
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Department of Transplantation, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Ran Zhong
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Bo Cheng
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Shan Xiong
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Weiyi Lin
- First Clinical School, Guangzhou Medical University, Guangzhou, China
| | - Jianxing He
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Wenhua Liang
- Department of Thoracic Surgery and Oncology, China State Key Laboratory of Respiratory Disease & National Clinical Research Center for Respiratory Disease, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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Benoni H, Eloranta S, Dahle DO, Svensson MHS, Nordin A, Carstens J, Mjøen G, Helanterä I, Hellström V, Enblad G, Pukkala E, Sørensen SS, Lempinen M, Smedby KE. Relative and absolute cancer risks among Nordic kidney transplant recipients-a population-based study. Transpl Int 2020; 33:1700-1710. [PMID: 32896035 PMCID: PMC7756726 DOI: 10.1111/tri.13734] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 04/06/2020] [Accepted: 08/31/2020] [Indexed: 12/24/2022]
Abstract
Kidney transplant recipients (KTRs) have an increased cancer risk compared to the general population, but absolute risks that better reflect the clinical impact of cancer are seldom estimated. All KTRs in Sweden, Norway, Denmark, and Finland, with a first transplantation between 1995 and 2011, were identified through national registries. Post‐transplantation cancer occurrence was assessed through linkage with cancer registries. We estimated standardized incidence ratios (SIR), absolute excess risks (AER), and cumulative incidence of cancer in the presence of competing risks. Overall, 12 984 KTRs developed 2215 cancers. The incidence rate of cancer overall was threefold increased (SIR 3.3, 95% confidence interval [CI]: 3.2–3.4). The AER of any cancer was 1560 cases (95% CI: 1468–1656) per 100 000 person‐years. The highest AERs were observed for nonmelanoma skin cancer (838, 95% CI: 778–901), non‐Hodgkin lymphoma (145, 95% CI: 119–174), lung cancer (126, 95% CI: 98.2–149), and kidney cancer (122, 95% CI: 98.0–149). The five‐ and ten‐year cumulative incidence of any cancer was 8.1% (95% CI: 7.6–8.6%) and 16.8% (95% CI: 16.0–17.6%), respectively. Excess cancer risks were observed among Nordic KTRs for a wide range of cancers. Overall, 1 in 6 patients developed cancer within ten years, supporting extensive post‐transplantation cancer vigilance.
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Affiliation(s)
- Henrik Benoni
- Department of Surgery, Akademiska University Hospital, Uppsala, Sweden.,Clinical Epidemiology Division, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Sandra Eloranta
- Clinical Epidemiology Division, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden
| | - Dag O Dahle
- Department of Transplantation Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - My H S Svensson
- Department of Nephrology, Aarhus University Hospital, Aarhus, Denmark.,Department of Nephrology, Medical Division, Akershus University Hospital, Lørenskog, Norway
| | - Arno Nordin
- Transplantation and Liver Surgery Clinic, Helsinki University Hospital, Helsinki, Finland
| | - Jan Carstens
- Department of Nephrology, Odense University Hospital, Odense, Denmark
| | - Geir Mjøen
- Department of Transplantation Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Ilkka Helanterä
- Transplantation and Liver Surgery Clinic, Helsinki University Hospital, Helsinki, Finland
| | - Vivan Hellström
- Department of Surgery, Akademiska University Hospital, Uppsala, Sweden
| | - Gunilla Enblad
- Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden
| | - Eero Pukkala
- Finnish Cancer Registry - Institute for Statistical and Epidemiological Cancer Research, Helsinki, Finland.,Faculty of Social Sciences, Tampere University, Tampere, Finland
| | - Søren S Sørensen
- Department of Nephrology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
| | - Marko Lempinen
- Transplantation and Liver Surgery Clinic, Helsinki University Hospital, Helsinki, Finland
| | - Karin E Smedby
- Clinical Epidemiology Division, Department of Medicine Solna, Karolinska Institutet, Stockholm, Sweden.,Center for Hematology, Karolinska University Hospital, Stockholm, Sweden
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39
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Yeh CC, Khan A, Muo CH, Yang HR, Li PC, Chang CH, Chen TL, Jeng LB, Liao CC. De Novo Malignancy After Heart, Kidney, and Liver Transplant: A Nationwide Study in Taiwan. EXP CLIN TRANSPLANT 2020; 18:224-233. [PMID: 32133940 DOI: 10.6002/ect.2019.0210] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVES In the Asian population, patterns and risk factors for de novo malignancies after solid-organ transplant are not well understood. MATERIALS AND METHODS Insurance claims from Taiwan's National Health Institute Research Database from 1997 to 2011 revealed 687 deceased-donor heart transplant recipients, 5038 kidney transplant recipients (50% living related-donor, 50% deceased-donor transplants), and 2127 liver transplant recipients (mainly living related-donor transplants, 30% deceased-donor transplants). During the follow-up period, rates of malignancy incidence were calculated with standardization based on national age, sex, and year-specific incidence. We used multivariate regression analyses to determine risk factors of posttransplant de novo malignancies. RESULTS Compared with the general population, several de novo cancers were more common posttransplant (P < .05): lung cancer (2.6-fold), non-melanoma skin cancer (5.8-fold), and non-Hodgkin lymphoma (5.4-fold) in heart recipients; transitional cell carcinoma (31.4-fold), renal cell carcinoma (37.3-fold), and non-Hodgkin lymphoma (3.6-fold) in kidney recipients; and gastric cancer (3.0-fold) and lymphatic-hematopoietic malignancy (4.5-fold) in liver recipients. Independent risk factors for posttransplant malignancy in kidney transplant recipients were increased age, female, hepatitis B virus, and mycophenolate use (adjusted hazard ratio 1.5; 95% confidence interval, 1.2-1.8; P < .001). In liver transplant recipients, old age was an independent risk factor. Kidney transplant recipients without diabetes or hypertension had higher risk of transitional cell carcinoma (adjusted hazard ratio 3.0; 95% confidence interval, 2.1-4.4; P < .001) and renal cell carcinoma (adjusted hazard ratio 1.9; 95% confidence interval, 1.1-3.3; P < .05). CONCLUSIONS Regional endemic epidemiologic factors play significant roles in the development of de novo cancers, particularly in kidney transplant recipients due to causes of renal failure other than diabetes and hypertension. Each regional organ transplant program should tailor and establish its surveillance protocol based on epidemiologic data. However, the type and intensity of surveillance require further and long-term investigations in this patient cohort.
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Affiliation(s)
- Chun-Chieh Yeh
- From the School of Medicine, China Medical University, Taichung, Taiwan
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40
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Leon-Rodriguez E, Armengol-Alonso A, Rivera-Franco MM, Alberú-Gómez J, Merchan-Alvear P. Malignancies after renal transplantation: experience of a Mexican referral center. Clin Transl Oncol 2020; 22:1796-1801. [PMID: 32076993 DOI: 10.1007/s12094-020-02318-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 02/05/2020] [Indexed: 11/25/2022]
Abstract
OBJECTIVE To report the incidence of cancer after renal transplantation at a referral center in a developing country. MATERIALS AND METHODS Consecutive patients receiving renal transplantations during a 48-year period at Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran were analyzed. The standardized incidence ratio (SIR) was calculated based on data from GLOBOCAN 2012. RESULTS From 1257 patients, 98 (8%) developed 143 malignancies. The SIR of all the cohort was 4.1 (95% CI 3.2-5.1). The relative risks of male and female transplant recipients were 4.6 and 3.5 times greater than the risk of cancer of the general population, respectively. The most common malignancy was non-melanoma skin cancer (52%). The malignancy that associated with the greater relative risk was Kaposi sarcoma (SIR: 200), followed by lymphomas (SIR: 30). A multivariate analysis comparing patients with cancer and controls confirmed that receiving a three-drug regimen as final treatment, prolonged immunosuppression, and patients undergoing a second renal transplantation were factors associated with increased cancer development. CONCLUSION To date, there is paucity of data from developing countries. We reported the results from a National Health Institute in Mexico including a large cohort with a long follow-up, demonstrating differences within frequencies and risks compared to other regions of the world.
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Affiliation(s)
- E Leon-Rodriguez
- Hematology and Oncology Department, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Vasco de Quiroga 15 Belisario Dominguez Seccion XVI, 14080, Mexico City, Mexico.
| | - A Armengol-Alonso
- Hematology and Oncology Department, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Vasco de Quiroga 15 Belisario Dominguez Seccion XVI, 14080, Mexico City, Mexico
| | - M M Rivera-Franco
- Hematology and Oncology Department, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Vasco de Quiroga 15 Belisario Dominguez Seccion XVI, 14080, Mexico City, Mexico
| | - J Alberú-Gómez
- Transplantation Department, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Vasco de Quiroga 15 Belisario Dominguez Seccion XVI, 14080, Mexico City, Mexico
| | - P Merchan-Alvear
- Hematology and Oncology Department, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Vasco de Quiroga 15 Belisario Dominguez Seccion XVI, 14080, Mexico City, Mexico
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41
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Ban TH, Park WY, Jin K, Han S, Chung BH, Park SC, Choi BS, Park CW, Yun SS, Kim YS, Yang CW. Changing pattern and safety of pretransplant malignancy in kidney transplant recipients. Kidney Res Clin Pract 2019; 38:509-516. [PMID: 31640307 PMCID: PMC6913595 DOI: 10.23876/j.krcp.19.047] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 08/14/2019] [Accepted: 08/23/2019] [Indexed: 12/13/2022] Open
Abstract
Background Cancer rates are increasing not only in the general population but also in patients with end-stage renal disease. We investigated the changing pattern of pretransplant malignancy in kidney transplant recipients over 5 decades. Methods We reviewed 3,748 kidney transplant recipients between 1969 and 2016. We divided patients into three groups (1969-1998, 1999-2006, 2007-2016) based on the era of the cancer screening system used throughout the nation. We analyzed the incidence and pattern of pretransplant malignancy among the three groups. We also evaluated recurrent and de novo malignancy in these patients compared to patients without pretransplant malignancy. Results A total of 72 patients exhibited pretransplant malignancy (1.9%). There were no cases of pretransplant cancer until 1998, but the rate of pretransplant malignancy gradually increased to 1.1% during 1999-2006 and further increased to 4.3% thereafter. The most frequent types of pretransplant malignancy changed from the bladder, liver, and stomach cancers to thyroid cancer and renal cell carcinoma. There were no de novo cases, but there were three cases of recurrent cancer in patients with pretransplant malignancy; the recurrence rate among kidney transplant recipients with pretransplant malignancy was not significantly different from the incidence rate of de novo malignancy among kidney transplant recipients without pretransplant malignancy (4.2% vs. 6.9%, P = 0.48). Conclusion The incidence of pretransplant malignancy in kidney transplantation candidates is gradually increasing, and recent increases were accompanied by changes in cancer types. Pretransplant malignancy may not be a hindrance to kidney transplantation because of the low incidence of posttransplant recurrence and de novo malignancy.
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Affiliation(s)
- Tae Hyun Ban
- Transplant Research Center, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Division of Nephrology, Department of Internal Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Woo Yeong Park
- Division of Nephrology, Department of Internal Medicine, Keimyung University School of Medicine, Keimyung University Kidney Institute, Daegu, Republic of Korea
| | - Kyubok Jin
- Division of Nephrology, Department of Internal Medicine, Keimyung University School of Medicine, Keimyung University Kidney Institute, Daegu, Republic of Korea
| | - Seungyeup Han
- Division of Nephrology, Department of Internal Medicine, Keimyung University School of Medicine, Keimyung University Kidney Institute, Daegu, Republic of Korea
| | - Byung Ha Chung
- Transplant Research Center, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Division of Nephrology, Department of Internal Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sun Cheol Park
- Transplant Research Center, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Department of General Surgery, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Bum Soon Choi
- Transplant Research Center, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Division of Nephrology, Department of Internal Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Cheol Whee Park
- Transplant Research Center, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Division of Nephrology, Department of Internal Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sang-Seob Yun
- Transplant Research Center, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Department of General Surgery, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Yong-Soo Kim
- Transplant Research Center, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Division of Nephrology, Department of Internal Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Chul Woo Yang
- Transplant Research Center, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.,Division of Nephrology, Department of Internal Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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42
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Park B, Yoon J, Choi D, Kim HJ, Jung YK, Kwon OJ, Lee KG. De novo cancer incidence after kidney and liver transplantation: Results from a nationwide population based data. Sci Rep 2019; 9:17202. [PMID: 31748582 PMCID: PMC6868238 DOI: 10.1038/s41598-019-53163-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 10/16/2019] [Indexed: 12/20/2022] Open
Abstract
The cancer risk among solid organ transplantation recipients in East-Asia has been insufficiently studied. This study estimated de novo cancer incidence in kidney and liver recipients 2008-2015, compared with the general population in Korea using nationwide data. This is a retrospective cohort study using nationwide health insurance claims data. The study population was comprised of cancer-free 10,085 kidney recipients and 3,822 liver recipients. Standardized incidence ratio (SIR) of cancer using indirect standardization was calculated. Compared with the general population, the cancer risk increased by 3.19-fold in male and 2.56-fold in female kidney recipients. By cancer type, a notably increased SIR was observed for Kaposi sarcoma, renal cancer, skin cancer, and non-Hodgkin's lymphoma in male and for bladder cancer, renal cancer, and non-Hodgkin's lymphoma in female kidney recipients. In liver recipients, the SIR of all cancers was 3.43 in males and 2.30 in females. In male liver recipients, the SIRs for Kaposi sarcoma, non-Hodgkin's lymphoma, myeloid leukemia, and skin cancer and in female recipients those for non-Hodgkin's lymphoma and liver cancer were prominent. A greatly higher SIRs for overall cancer and non-Hodgkin's lymphoma in kidney and liver recipients aged 0-19 were observed, compared with recipients in other age group. The incidence of de novo cancer in kidney and liver recipients was higher than the general population and common types were different. Strategies of cancer prevention and screening after kidney and liver transplantation should be developed in response to the incidence of common types of de novo cancers.
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Affiliation(s)
- Boyoung Park
- Department of Medicine, College of Medicine, Hanyang University, Seoul, South Korea
| | - Junghyun Yoon
- Graduate School of Public Health, Hanyang University, Seoul, South Korea
| | - Dongho Choi
- Department of Surgery, College of Medicine, Hanyang University, Seoul, South Korea. .,Hanyang ICT fusion medical research center, Seoul, South Korea.
| | - Han Joon Kim
- Department of Surgery, College of Medicine, Hanyang University, Seoul, South Korea
| | - Yun Kyung Jung
- Department of Surgery, College of Medicine, Hanyang University, Seoul, South Korea.,Hanyang ICT fusion medical research center, Seoul, South Korea
| | - Oh Jung Kwon
- Department of Surgery, College of Medicine, Hanyang University, Seoul, South Korea
| | - Kyeong Geun Lee
- Department of Surgery, College of Medicine, Hanyang University, Seoul, South Korea
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Fu Y, Liao C, Cui K, Liu X, Fang W. Antitumor pharmacotherapy of colorectal cancer in kidney transplant recipients. Ther Adv Med Oncol 2019; 11:1758835919876196. [PMID: 31579127 PMCID: PMC6759705 DOI: 10.1177/1758835919876196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 08/19/2019] [Indexed: 11/15/2022] Open
Abstract
Renal transplantation has become the sole most preferred therapy modality for end-stage renal disease patients. The growing tendency for renal transplants, and prolonged survival of renal recipients, have resulted in a certain number of post-transplant colorectal cancer patients. Antitumor pharmacotherapy in these patients is a dilemma. Substantial impediments such as carcinogenesis of immunosuppressive drugs (ISDs), drug interaction between ISDs and anticancer drugs, and toxicity of anticancer drugs exist. However, experience of antitumor pharmacotherapy in these patients is limited, and the potential risks and benefits have not been reviewed systematically. This review evaluates the potential impediments, summarizes current experience, and provides potential antitumor strategies, including adjuvant, palliative, and subsequent regimens. Moreover, special pharmaceutical care, such as ISDs therapeutic drug monitoring, metabolic enzymes genotype, and drug interaction, are also highlighted.
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Affiliation(s)
- Yuanyuan Fu
- Department of Pharmacy, First Affiliated Hospital of Nanjing Medical University, China
| | - Chengheng Liao
- Lineberger Comprehensive Cancer Center, University of North Carolina School of Medicine, Chapel Hill, NC, USA
| | - Kai Cui
- Department of Pharmacy, Liaocheng Infectious Disease Hospital, Liaocheng, Shandong, China
| | - Xiao Liu
- Department of Pharmacy, Qinghai provincial Peoples Hospital, Xining, China
| | - Wentong Fang
- Department of Pharmacy, First Affiliated Hospital of Nanjing Medical University, No 300 Guangzhou Road, Nanjing, Jiangsu Province, 210029, China
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Abstract
Cancer is the second most common cause of mortality and morbidity in kidney transplant recipients after cardiovascular disease. Kidney transplant recipients have at least a twofold higher risk of developing or dying from cancer than the general population. The increased risk of de novo and recurrent cancer in transplant recipients is multifactorial and attributed to oncogenic viruses, immunosuppression and altered T cell immunity. Transplant candidates and potential donors should be screened for cancer as part of the assessment process. For potential recipients with a prior history of cancer, waiting periods of 2-5 years after remission - largely depending on the cancer type and stage of initial cancer diagnosis - are recommended. Post-transplantation cancer screening needs to be tailored to the individual patient, considering the cancer risk of the individual, comorbidities, overall prognosis and the screening preferences of the patient. In kidney transplant recipients diagnosed with cancer, treatment includes conventional approaches, such as radiotherapy and chemotherapy, together with consideration of altering immunosuppression. As the benefits of transplantation compared with dialysis in potential transplant candidates with a history of cancer have not been assessed, current clinical practice relies on evidence from observational studies and registry analyses.
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Affiliation(s)
- Eric Au
- Centre for Transplant and Renal Research, Westmead Hospital, Westmead, New South Wales, Australia
| | - Germaine Wong
- Centre for Transplant and Renal Research, Westmead Hospital, Westmead, New South Wales, Australia.,Sydney School of Public Health, University of Sydney, Sydney, New South Wales, Australia
| | - Jeremy R Chapman
- Centre for Transplant and Renal Research, Westmead Hospital, Westmead, New South Wales, Australia.
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Preventive Role of mTOR Inhibitor in Post-Kidney Transplant Urothelial Carcinoma. Transplant Proc 2019; 51:2731-2734. [PMID: 31447189 DOI: 10.1016/j.transproceed.2019.03.059] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 02/27/2019] [Accepted: 03/13/2019] [Indexed: 12/13/2022]
Abstract
BACKGROUND There is little evidence about whether mammalian target of rapamycin (mTOR) inhibitor could prevent post-kidney transplant (KT) urothelial carcinoma (UC) or not. The aim of this study is to analyze the role of mTOR inhibitor add-on in tacrolimus-based kidney transplant recipients. METHOD The data were obtained from the Kaohsiung Chang Gung Memorial Hospital using the Chang Gung Research Database and retrospectively reviewed from January 2000 to December 2015. Patients then were categorized into 2 groups: group FK (more than 2-year tacrolimus [FK] prescription) and group FK + mTOR inhibitor (more than 2-year tacrolimus plus at least 6-month continued sirolimus prescription). The primary end point is post-KT UC development. The secondary end point is mTOR inhibitor add-on effect on renal function deterioration episode. RESULTS There were 140 patients with tacrolimus-based immunosuppressant (group FK) and 82 patients with tacrolimus-based and add-on mTOR inhibitor regimen (group FK + mTOR inhibitor). The follow-up duration, sex distribution, and combined mycophenolate mofetil rate are similar in both groups. Younger age, lower tacrolimus trough level, lower UC incidence, and longer KT-to-UC interval were observed. Short- to intermediate-term results revealed noninferior graft outcome by creatinine level or creatinine deterioration. CONCLUSIONS In our preliminary result, mTOR inhibitor add-on in patients with tacrolimus-based regimen revealed less post-KT UC occurrence. In addition, noninferior graft outcome was also observed. In Taiwan, a high UC prevalence area, mTOR inhibitor add-on strategy can be considered as a preventive strategy for UC after KT.
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46
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Chen YT, Lee WS, Tsai CA, Fan WC, Wu PF, Wang FD. Incidence of and risk factors for cryptococcosis in kidney transplant recipients in Taiwan-A nationwide population-based study. Int J Infect Dis 2019; 88:154-158. [PMID: 31449926 DOI: 10.1016/j.ijid.2019.08.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Revised: 08/17/2019] [Accepted: 08/19/2019] [Indexed: 11/28/2022] Open
Abstract
OBJECTIVES The aim of this study was to determine the long-term incidence of cryptococcosis in kidney transplant recipients (KTRs) and to analyze its risk factors. METHODS This retrospective population-based cohort study analyzed data obtained from Taiwan's National Health Insurance Research Database for KTRs during 2000-2012 and matched cohorts. Both populations were followed until death, development of cryptococcosis, or December 2013. RESULTS A total of 4,933 KTRs and 49,930 matched patients were included. The cryptococcosis incidence rates for the KTR cohort and matched cohort were 10.59 and 0.4 per 10,000 person-years, respectively. The hazard ratio for cryptococcosis among KTRs was 26.65 (p<0.001); and 43.77 (p<0.001) for cryptococcosis affecting the central nervous system (CNS). The Kaplan-Meier method confirmed an elevated cumulative incidence of cryptococcosis among KTRs (1.00% vs. 0.04%). Predictors for cryptococcosis were advanced age (OR 1.39, 95% CI 1.02-1.89, P=0.038) and cancer (OR 2.63, 95% CI 1.22-5.67, P=0.013), but not the use of any particular class of immunosuppressants. CONCLUSIONS KTRs are at dramatically higher risk of developing cryptococcosis, especially with CNS involvement, relative to a non-KTR matched cohort. Older KTRs and those with cancer are at even higher risk of developing cryptococcosis.
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Affiliation(s)
- Yung-Tai Chen
- Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan; Department of Nephrology, Taipei City Hospital, Heping Fuyou Branch, Taipei, Taiwan
| | - Wen-Sen Lee
- Division of Infectious Disease, Department of Internal Medicine, Wan Fang Medical Center, Taipei Medical University, Taipei, Taiwan; Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Che-An Tsai
- Division of Infectious Disease, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Wen-Chien Fan
- Divisionof Infectious Diseases, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan; School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Ping-Feng Wu
- Divisionof Infectious Diseases, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan; School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Fu-Der Wang
- Divisionof Infectious Diseases, Department of Medicine, Taipei Veterans General Hospital, Taipei, Taiwan; School of Medicine, National Yang-Ming University, Taipei, Taiwan.
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Propensity-Matched Survival Analysis of Upper Urinary Tract Urothelial Carcinomas between End-Stage Renal Disease with and without Kidney Transplantation. BIOMED RESEARCH INTERNATIONAL 2019; 2019:2979142. [PMID: 31058186 PMCID: PMC6463629 DOI: 10.1155/2019/2979142] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 03/07/2019] [Indexed: 11/17/2022]
Abstract
Urothelial carcinoma is the most common cancer following kidney transplantation (KT) in Taiwan. Unusual presentation of upper urinary tract urothelial carcinoma (UTUC) is noted in Taiwan and China. As the post-KT-UTUC oncological course is not fully understood, the aim of this study is to identify postulated significant differences for the clinical cancer course of UTUC among end-stage renal disease (ESRD) patients with and without KT. From 2005 January to 2016 March, 194 ESRD patients underwent radical nephroureterectomy due to UTUC in our hospital. The parameters were obtained from the chart record and pathology report. SPSS version 21 software was used for all statistical analyses. Unequal matching created study groups wherein a 0.2 caliper width was performed for adjusting these confounding pathological factors. Propensity score-matching cohort was performed for each population first, and then for all the study patients. We observed that the average age of UTUC in ESRD patients after KT was younger than in those without KT. The pathological factors such as stage, bladder cancer history, papillary structure, lymphovascular invasion, and variant histology were equal in these two groups. However, younger onset (p<0.001), more multifocal tumors, and carcinomas in situ were observed in post-KT UTUC (p<0.001 and 0.006, respectively). After adjustment of pathological factors by propensity score-matched analysis, the 5-year systemic UTUC recurrence was significantly more in ESRD after KT compared with ESRD without KT (p=0.03). No obvious difference in 5-year cancer related death could be observed between these two groups (p=0.314). Post-kidney transplantation upper urinary tract urothelial carcinoma in Taiwan is relatively common, has younger onset, and is associated with aggressive pathological features. The oncologic outcome of UTUC after KT is poor in our observation, even after propensity scored-matched analysis. It indicates the immunosuppression status is still associated with more malignant UTUC behavior.
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Buxeda A, Redondo-Pachón D, Pérez-Sáez MJ, Bartolomé Á, Mir M, Pascual-Dapena A, Sans A, Duran X, Crespo M, Pascual J. Gender differences in cancer risk after kidney transplantation. Oncotarget 2019; 10:3114-3128. [PMID: 31139324 PMCID: PMC6517099 DOI: 10.18632/oncotarget.26859] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Accepted: 03/23/2019] [Indexed: 02/06/2023] Open
Abstract
Kidney transplant (KT) recipients are at greater risk of developing some cancers than the general population. Moreover, cancer is the only cause of death that is currently increasing after kidney transplantation. We analyzed incidence, risk factors and characteristics of post-transplant malignancies (solid organ tumors and lymphoproliferative disorders) at our center in 925 KT recipients (1979-2014). Sex differences were particularly assessed. One hundred and eight patients (11.7%) developed solid organ tumors (76.9%) or lymphoma (23.1%). Twenty-one percent of patients who reached 20 years after KT developed cancer, with a median post-KT time to diagnosis of 7.4 years. Most common solid organs affected were lung (30.1%), prostate (10.8%), bladder (9.6%), and native kidney (7.2%). When analyzing standardized incidence ratios (SIR) by gender compared to the general population, relative risk was increased in women (SIR = 1.81; 95%CI, 1.28-2.45) but not significantly increased in men (SIR = 1.22; 0.95-2.52). Regarding specific types, gynecological (SIR = 11.6; 4.2-22.7) and lung (SIR = 10.0; 4.3-18.2) in women, and bladder (SIR = 16.3; 5.9-32.1) in men were the most affected locations. Thymoglobulin, a polyclonal antibody that has been used as an immunosuppressive agent in kidney transplantation over the last decades, was a significant risk factor for developing cancer in adjusted regression analysis [IRR = 1.62, 1.02-2.57; p = 0.041], and was associated with lower patient survival. Compared with the general population, the incidence of post-KT non-skin cancer is almost two-fold higher in women but not significantly higher in men. Lung is the most common solid organ affected. Thymoglobulin induction therapy is associated with a greater risk.
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Affiliation(s)
- Anna Buxeda
- Department of Nephrology, Hospital del Mar, Barcelona, Spain
| | | | | | - Álvaro Bartolomé
- Department of Medicine, University Autonoma Barcelona, Barcelona, Spain
- Department of Experimental and Health Sciences, University Pompeu-Fabra, Barcelona, Spain
| | - Marisa Mir
- Department of Nephrology, Hospital del Mar, Barcelona, Spain
| | - Ana Pascual-Dapena
- Department of Medicine, University Autonoma Barcelona, Barcelona, Spain
- Department of Experimental and Health Sciences, University Pompeu-Fabra, Barcelona, Spain
| | - Anna Sans
- Department of Medicine, University Autonoma Barcelona, Barcelona, Spain
- Department of Experimental and Health Sciences, University Pompeu-Fabra, Barcelona, Spain
| | - Xavier Duran
- Methodology and Biostatistics Support Unit, Institute Hospital del Mar for Medical Research (IMIM), Barcelona, Spain
| | - Marta Crespo
- Department of Nephrology, Hospital del Mar, Barcelona, Spain
- Department of Medicine, University Autonoma Barcelona, Barcelona, Spain
| | - Julio Pascual
- Department of Nephrology, Hospital del Mar, Barcelona, Spain
- Department of Medicine, University Autonoma Barcelona, Barcelona, Spain
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Kao CC, Liu JS, Chang YK, Lin MH, Lin YC, Chen HH, Chang WC, Hsu CC, Wu MS. Cancer and mTOR inhibitors in kidney transplantation recipients. PeerJ 2018; 6:e5864. [PMID: 30473931 PMCID: PMC6237112 DOI: 10.7717/peerj.5864] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 10/03/2018] [Indexed: 01/19/2023] Open
Abstract
Background Previous studies show that mTOR inhibitors decrease the risk of cancer development after kidney transplantation. However, the effect of cumulative doses of mTOR inhibitors on cancer after kidney transplantation is not well known. Methods In the current study, patients were registered into a national database in Taiwan. Between year 2000 and 2013, 4,563 patients received kidney transplantation. They were divided into two groups, according to mTOR inhibitors usage. The cumulative dose of mTOR inhibitors was recorded. Patients were followed-up until de novo cancer development, death, or the end of 2014. Results Patients were divided into two groups: mTOR inhibitors users (study group, n = 828) and mTOR inhibitors non-users (control group, n = 3,735). The median follow-up duration was 7.8 years. The risk of de novo cancer (hazards ratio (HR) 0.80, 95% CI [0.60–1.09], p = 0.16) and risk of death (HR 1.14, 95% CI [0.82–1.60], p = 0.43) was not different between mTOR inhibitor user and non-user groups. Neither high- nor low-dose exposure to mTOR inhibitors was associated with increased risk of cancer or mortality. Analysis of cancer subtypes showed no influence by mTOR inhibitors. In addition, the cause of mortality was not significantly different between the two groups. Discussion We could not find the association of mTOR inhibitors use and risk of de novo cancer development or mortality in patients with kidney transplantation in Chinese patients. Cumulative exposure to mTOR inhibitors did not change the results.
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Affiliation(s)
- Chih-Chin Kao
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Division of Nephrology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan.,Department of Internal Medicine, School of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Jia-Sin Liu
- Division of Geriatrics and Gerontology, Institute of Population Health Sciences, National Health Research Institutes, Zhunan, Taiwan
| | - Yu-Kang Chang
- Department of Medical Research, Tungs' Taichung Metroharbor Hospital, Wuchi, Taichung, Taiwan
| | - Ming-Huang Lin
- Division of Geriatrics and Gerontology, Institute of Population Health Sciences, National Health Research Institutes, Zhunan, Taiwan
| | - Yen-Chung Lin
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Division of Nephrology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan.,Department of Internal Medicine, School of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Hsi-Hsien Chen
- Division of Nephrology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan.,Department of Internal Medicine, School of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Wei-Chiao Chang
- Department of Clinical Pharmacy, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Master Program for Clinical Pharmacogenomics and Pharmacoproteomics, School of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Chih-Cheng Hsu
- Division of Geriatrics and Gerontology, Institute of Population Health Sciences, National Health Research Institutes, Zhunan, Taiwan.,Department of Health Services Administration, China Medical University, Taichung, Taiwan
| | - Mai-Szu Wu
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Department of Internal Medicine, School of Medicine, Taipei Medical University, Taipei, Taiwan.,Division of Nephrology, Department of Internal Medicine, Shuang-Ho Hospital, New Taipei City, Taiwan
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50
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Heo J, Noh OK, Oh YT, Chun M, Kim L. Cancer risk after renal transplantation in South Korea: a nationwide population-based study. BMC Nephrol 2018; 19:311. [PMID: 30400877 PMCID: PMC6218979 DOI: 10.1186/s12882-018-1110-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 10/19/2018] [Indexed: 02/05/2023] Open
Abstract
Background This study aimed to evaluate patterns of posttransplant malignancies among renal transplant recipients (RTRs) in South Korea using nationwide data. Methods The nationwide cohort assessed in this study included RTRs from January 1, 2010, to December 31, 2014. We analyzed cancer incidence during the time course after renal transplantation. Additionally, we calculated standardized incidence ratios (SIRs) to evaluate the risk of malignancies in RTRs. Results A total of 1343 RTRs (871 males and 472 females, mean age 48.5 ± 11.6 years) were assessed. Among them, 104 (7.7%) developed malignancies after transplantation, most commonly in the thyroid cancer (23.1%). The SIR for all cancers was 3.54; particularly, the SIRs for renal cancer, myeloma, and non-Hodgkin lymphoma were 16.31, 24.02, and 28.64, respectively. Females showed a higher risk of malignancy than males (SIRs: 4.04 for women and 3.26 for men). The median interval between transplantation and malignancy diagnosis was 27.2 months (range 12.3–54.8 months). Conclusions RTRs in South Korea demonstrated a high risk of malignancy after transplantation compared with the general population. This indicates that close surveillance and routine screening for cancer in RTRs are needed.
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Affiliation(s)
- Jaesung Heo
- Department of Radiation Oncology, Ajou University School of Medicine, Suwon, South Korea
| | - O Kyu Noh
- Department of Radiation Oncology, Ajou University School of Medicine, Suwon, South Korea. .,Department of Biomedical Informatics, Ajou University School of Medicine, Suwon, South Korea. .,Office of Biostatistics, Ajou Research Institute for Innovative Medicine, Ajou University Medical Center, Suwon, South Korea.
| | - Young-Taek Oh
- Department of Radiation Oncology, Ajou University School of Medicine, Suwon, South Korea
| | - Mison Chun
- Department of Radiation Oncology, Ajou University School of Medicine, Suwon, South Korea
| | - Logyoung Kim
- Health Insurance Review and Assessment Service, Seoul, South Korea
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