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Poppe MM, Tai A, Li XA, Miften M, Olch A, Marks LB, Qureshi BM, Spunt SL, Shnorhavorian M, Nelson G, Ronckers C, Kalapurakal J, Marples B, Constine LS, Liu AK. Kidney Disease in Childhood Cancer Survivors Treated With Radiation Therapy: A PENTEC Comprehensive Review. Int J Radiat Oncol Biol Phys 2024; 119:560-574. [PMID: 37452796 DOI: 10.1016/j.ijrobp.2023.02.040] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 02/11/2023] [Accepted: 02/16/2023] [Indexed: 07/18/2023]
Abstract
PURPOSE Kidney injury is a known late and potentially devastating complication of abdominal radiation therapy (RT) in pediatric patients. A comprehensive Pediatric Normal Tissue Effects in the Clinic review by the Genitourinary (GU) Task Force aimed to describe RT dose-volume relationships for GU dysfunction, including kidney, bladder, and hypertension, for pediatric malignancies. The effect of chemotherapy was also considered. METHODS AND MATERIALS We conducted a comprehensive PubMed search of peer-reviewed manuscripts published from 1990 to 2017 for investigations on RT-associated GU toxicities in children treated for cancer. We retrieved 3271 articles with 100 fulfilling criteria for full review, 24 with RT dose data and 13 adequate for modeling. Endpoints were heterogenous and grouped according to National Kidney Foundation: grade ≥1, grade ≥2, and grade ≥3. We modeled whole kidney exposure from total body irradiation (TBI) for hematopoietic stem cell transplant and whole abdominal irradiation (WAI) for patients with Wilms tumor. Partial kidney tolerance was modeled from a single publication from 2021 after the comprehensive review revealed no usable partial kidney data. Inadequate data existed for analysis of bladder RT-associated toxicities. RESULTS The 13 reports with long-term GU outcomes suitable for modeling included 4 on WAI for Wilms tumor, 8 on TBI, and 1 for partial renal RT exposure. These reports evaluated a total of 1191 pediatric patients, including: WAI 86, TBI 666, and 439 partial kidney. The age range at the time of RT was 1 month to 18 years with medians of 2 to 11 years in the various reports. In our whole kidney analysis we were unable to include chemotherapy because of the heterogeneity of regimens and paucity of data. Age-specific toxicity data were also unavailable. Wilms studies occurred from 1968 to 2011 with mean follow-ups 8 to 15 years. TBI studies occurred from 1969 to 2004 with mean follow-ups of 4 months to 16 years. We modeled risk of dysfunction by RT dose and grade of toxicity. Normal tissue complication rates ≥5%, expressed as equivalent doses, 2 Gy/fx for whole kidney exposures occurred at 8.5, 10.2, and 14.5 Gy for National Kidney Foundation grades ≥1, ≥2, and ≥3, respectively. Conventional Wilms WAI of 10.5 Gy in 6 fx had risks of ≥grade 2 toxicity 4% and ≥grade 3 toxicity 1%. For fractionated 12 Gy TBI, those risks were 8% and <3%, respectively. Data did not support whole kidney modeling with chemotherapy. Partial kidney modeling from 439 survivors who received RT (median age, 7.3 years) demonstrated 5 or 10 Gy to 100% kidney gave a <5% risk of grades 3 to 5 toxicity with 1500 mg/m2 carboplatin or no chemo. With 480 mg/m2 cisplatin, a 3% risk of ≥grade 3 toxicity occurred without RT and a 5% risk when 26% kidney received ≥10 Gy. With 63 g/m2 of ifosfamide, a 5% risk of ≥grade 3 toxicity occurred with no RT, and a 10% toxicity risk occurred when 42% kidney received ≥10 Gy. CONCLUSIONS In patients with Wilms tumor, the risk of toxicity from 10.5 Gy of WAI is low. For 12 Gy fractionated TBI with various mixtures of chemotherapy, the risk of severe toxicity is low, but low-grade toxicity is not uncommon. Partial kidney data are limited and toxicity is associated heavily with the use of nephrotoxic chemotherapeutic agents. Our efforts demonstrate the need for improved data gathering, systematic follow-up, and reporting in future clinical studies. Current radiation dose used for Wilms tumor and TBI appear to be safe; however, efforts in effective kidney-sparing TBI and WAI regimens may reduce the risks of renal injury without compromising cure.
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Affiliation(s)
- Matthew M Poppe
- Department of Radiation Oncology, Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah.
| | - An Tai
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - X Allen Li
- Department of Radiation Oncology, Medical College of Wisconsin, Milwaukee, Wisconsin
| | - Moyed Miften
- Department of Radiation Oncology, University of Colorado School of Medicine, Denver, Colorado
| | - Arthur Olch
- Department of Radiation Oncology, Keck School of Medicine, University of Southern California, and Children's Hospital Los Angeles, Los Angeles, California
| | - Lawrence B Marks
- Department of Radiation Oncology, University of North Carolina, Chapel Hill, North Carolina
| | - Bilal Mazhar Qureshi
- Radiation Oncology Section, Department of Oncology, Aga Khan University, Karachi, Pakistan
| | - Sheri L Spunt
- Stanford University School of Medicine, Department of Pediatrics, Stanford, California
| | - Margarett Shnorhavorian
- Department of Urology, Seattle Children's Hospital, University of Washington, Seattle, Washington
| | - Geoff Nelson
- Department of Radiation Oncology, Huntsman Cancer Institute, University of Utah, Salt Lake City, Utah
| | - Cecile Ronckers
- Princess Máxima Center for Paediatric Oncology, Utrecht, Netherlands; Division of Organisational Health Care Research, Departement of Health Care Research, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany
| | - John Kalapurakal
- Department of Radiation Oncology, Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Brian Marples
- Department of Radiation Oncology, University of Rochester Medical Center, Rochester, New York
| | - Louis S Constine
- Department of Radiation Oncology, University of Rochester Medical Center, Rochester, New York
| | - Arthur K Liu
- UC Health - Poudre Valley Hospital, Radiation Oncology, Fort Collins, Colorado
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Hsiao W, Denburg M, Laskin B. Hypertension in Wilms tumor. Pediatr Nephrol 2024; 39:15-24. [PMID: 37178208 DOI: 10.1007/s00467-023-06011-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 04/25/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023]
Abstract
Wilms tumor (WT) represents over 90% of all pediatric kidney tumors. Children with WT often present acutely with hypertension which resolves in the short term after nephrectomy. However, WT survivors have increased long-term risk of hypertension, primarily due to decreased nephron mass after nephrectomy, with additional insults from possible exposure to abdominal radiation and nephrotoxic therapies. The diagnosis of hypertension may be improved by ambulatory blood pressure monitoring (ABPM), as several recent single-center studies have shown a substantial proportion of WT survivors with masked hypertension. Current gaps in knowledge include determining which WT patients may benefit from routine screening with ABPM, correlation of casual and ABPM parameters with cardiac abnormalities, and longitudinal assessment of cardiovascular and kidney parameters in relation to appropriate treatment of hypertension. This review aims to summarize the most recent literature on hypertension presentation and management at the time of WT diagnosis as well as the long-term hypertension risk and impact on kidney and cardiovascular outcomes in WT survivors.
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Affiliation(s)
- Wendy Hsiao
- Division of Nephrology, Children's Hospital of Philadelphia, Philadelphia, PA, USA.
| | - Michelle Denburg
- Division of Nephrology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Benjamin Laskin
- Division of Nephrology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
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Li S, Wang J, Li M, Zhang Z, Mi T, Wu X, Wang Z, Jin L, He D. Efficacy and late kidney effects of nephron-sparing surgery in the management of unilateral Wilms tumor: a systematic review and meta-analysis. Pediatr Surg Int 2023; 40:29. [PMID: 38150145 DOI: 10.1007/s00383-023-05611-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/27/2023] [Indexed: 12/28/2023]
Abstract
To evaluate the efficiency and long-term renal function of nephron sparing surgery (NSS) in unilateral WT patients compared with radical nephrectomy (RN). The review was performed following Cochrane Handbook guidelines and Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). We searched five databases (Pubmed, Embase, Scopus, Web of Science and Cochrane) for studies reporting the efficiency and late renal function of NSS and/or RN on February 10, 2023. Comparative studies were evaluated by Risk of Bias in Non-randomized Studies of Interventions (ROBINS-I) and RoB 2.0. Assessed outcomes included survival rate, relapse rate, eGFR, renal dysfunction and hypertension. 26 studies involving 10322 unilateral WT cases underwent RN and 657 unilateral WT cases underwent NSS were enrolled. Overall effect estimates demonstrated that NSS significantly increased eGFR at follow-up (SMD, 0.38; 95% CI 0.05-0.72; p = 0.025) compared to that at diagnosis, and RN did not significantly decrease eGFR at follow-up (SMD, - 0.33; 95% CI - 0.77-0.11; p = 0.142) compared to that at diagnosis. Moreover, no significant difference was found in outcomes of survivability (OR, 1.38; 95% CI 0.82-2.32; p = 0.226), recurrence (OR, 0.62; 95% CI 0.34-1.12; p = 0.114), eGFR at follow-up (SMD, 0.16; 95% CI - 0.36-0.69; p = 0.538), renal dysfunction (OR, 0.36; 95% CI 0.07-1.73; p = 0.200) and hypertension (OR, 0.17; 95% CI 0.03-1.10; p = 0.063). Current evidence suggests that NSS is safe and effective for unilateral WT patients, because it causes better renal function and similar oncological outcomes compared with RN. Future efforts to conduct more high-quality studies and explore sources of heterogeneity is recommended.
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Affiliation(s)
- Shan Li
- Department of Urology, Children's Hospital of Chongqing Medical University, Zhongshan 2nd Road, No.136, Yuzhong District, Chongqing, 400014, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, 400014, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Jinkui Wang
- Department of Urology, Children's Hospital of Chongqing Medical University, Zhongshan 2nd Road, No.136, Yuzhong District, Chongqing, 400014, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, 400014, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Mujie Li
- Department of Urology, Children's Hospital of Chongqing Medical University, Zhongshan 2nd Road, No.136, Yuzhong District, Chongqing, 400014, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, 400014, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Zhaoxia Zhang
- Department of Urology, Children's Hospital of Chongqing Medical University, Zhongshan 2nd Road, No.136, Yuzhong District, Chongqing, 400014, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, 400014, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Tao Mi
- Department of Urology, Children's Hospital of Chongqing Medical University, Zhongshan 2nd Road, No.136, Yuzhong District, Chongqing, 400014, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, 400014, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Xin Wu
- Department of Urology, Children's Hospital of Chongqing Medical University, Zhongshan 2nd Road, No.136, Yuzhong District, Chongqing, 400014, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, 400014, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Zhang Wang
- Department of Urology, Children's Hospital of Chongqing Medical University, Zhongshan 2nd Road, No.136, Yuzhong District, Chongqing, 400014, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, 400014, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Liming Jin
- Department of Urology, Children's Hospital of Chongqing Medical University, Zhongshan 2nd Road, No.136, Yuzhong District, Chongqing, 400014, China
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, 400014, China
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China
| | - Dawei He
- Department of Urology, Children's Hospital of Chongqing Medical University, Zhongshan 2nd Road, No.136, Yuzhong District, Chongqing, 400014, China.
- Chongqing Key Laboratory of Children Urogenital Development and Tissue Engineering, Chongqing, 400014, China.
- China International Science and Technology Cooperation Base of Child Development and Critical Disorders, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, Chongqing Key Laboratory of Pediatrics, Children's Hospital of Chongqing Medical University, Chongqing, 400014, China.
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Dávila Fajardo R, Raymakers-Janssen P, van Grotel M, van Wösten-van Asperen RM, Terhaard CH, Lilien MR, van den Heuvel-Eibrink MM, Janssens GO. Long-term nephrotoxicity in irradiated pediatric kidney tumor survivors: A systematic review. Pediatr Blood Cancer 2023; 70:e30624. [PMID: 37561390 DOI: 10.1002/pbc.30624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 08/01/2023] [Accepted: 08/02/2023] [Indexed: 08/11/2023]
Abstract
OBJECTIVE Nephrotoxicity can occur as a side effect after treatment for kidney tumor in childhood. The use of radiotherapy (RT) has a potential additional effect. METHODS A systematic electronic literature search that combined childhood kidney cancer with different treatments and nephrotoxicity terms was performed in EMBASE. Studies were included based on the reporting of nephrotoxicity occurrence after treatment for kidney tumor during pediatric age, with 75% of participants being under the age of 25 years at the time of diagnosis, and having been treated with any type of kidney surgery, chemotherapy, and/or RT. RESULTS A pooled analysis did not show significant difference in estimated glomerular filtration rate between the group of patients who received RT compared with the group treated without RT (SMD -0.11 [95% CI -1.07-0.84] p = .733). CONCLUSION The current literature suggests that the use of RT does not have a significant impact on the decline of kidney function as independent factor.
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Affiliation(s)
- Raquel Dávila Fajardo
- Department of Radiation Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
| | | | | | | | - Christianus H Terhaard
- Department of Radiation Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Marc R Lilien
- Department of Pediatric Nephrology, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Geert O Janssens
- Department of Radiation Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands
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Choi SM, Shin HJ, Yoon H, Lee M, Lee YS, Han SW, Lee MJ. Renal growth slope in children with congenital and acquired solitary functioning kidneys. Ultrasonography 2020; 40:357-365. [PMID: 33249815 PMCID: PMC8217806 DOI: 10.14366/usg.20028] [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: 02/26/2020] [Accepted: 09/12/2020] [Indexed: 11/09/2022] Open
Abstract
Purpose This study aimed to analyze the renal growth slope in children with congenital and acquired solitary functioning kidneys. Methods This retrospective study included all renal ultrasonography examinations performed in children in the agenesis, multicystic dysplastic kidney (MCDK), or nephrectomy group between September 2002 and February 2019. We reviewed the images and recorded the contralateral kidney size only when there was no focal lesion. Linear mixed model or piecewise linear mixed model analyses with a time point of 24 months of age were performed. Results There were 132 patients, including 26 patients in the agenesis group, 35 in the MCDK group, and 71 in the nephrectomy group. The nephrectomy group showed the largest baseline kidney size (7.4 cm vs. 5.3 cm in the agenesis group [P<0.001] and 5.2 cm in the MCDK group [P<0.001]) and the smallest overall growth slope (0.04 cm/mo vs. 0.06 cm/mo in the agenesis group [P=0.004] and 0.07 cm/mo in the MCDK group [P<0.001]). However, considering the time point of 24 months for reaching adult renal function, there were significant changes in slope, from 0.1 cm/mo before 24 months of age to 0.03 cm/mo after 24 months of age in all three groups (P<0.001), without a significant difference among the groups. Conclusion Significant changes were found in the renal growth slope before and after 24 months of age, with no significant difference between congenital and acquired solitary functioning kidneys.
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Affiliation(s)
- Seung Myeon Choi
- Department of Radiology and Research Institute of Radiological Science, Severance Children's Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Hyun Joo Shin
- Department of Radiology and Research Institute of Radiological Science, Severance Children's Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Haesung Yoon
- Department of Radiology and Research Institute of Radiological Science, Severance Children's Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Myeongjee Lee
- Biostatistics Collaboration Unit, Department of Biomedical Systems Informatics, Yonsei University College of Medicine, Seoul, Korea
| | - Yong Seung Lee
- Department of Urology and Urological Science Institute, Severance Children's Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Sang Won Han
- Department of Urology and Urological Science Institute, Severance Children's Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Mi-Jung Lee
- Department of Radiology and Research Institute of Radiological Science, Severance Children's Hospital, Yonsei University College of Medicine, Seoul, Korea
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Guerra JVDS, Pereira BMDS, Cruz JGVD, Scherer NDM, Furtado C, Montalvão de Azevedo R, Oliveira PSLD, Faria P, Boroni M, de Camargo B, Maschietto M. Genes Controlled by DNA Methylation Are Involved in Wilms Tumor Progression. Cells 2019; 8:cells8080921. [PMID: 31426508 PMCID: PMC6721649 DOI: 10.3390/cells8080921] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 08/08/2019] [Accepted: 08/15/2019] [Indexed: 01/10/2023] Open
Abstract
To identify underlying mechanisms involved with metastasis formation in Wilms tumors (WTs), we performed comprehensive DNA methylation and gene expression analyses of matched normal kidney (NK), WT blastemal component, and metastatic tissues (MT) from patients treated under SIOP 2001 protocol. A linear Bayesian framework model identified 497 differentially methylated positions (DMPs) between groups that discriminated NK from WT, but MT samples were divided in two groups. Accordingly, methylation variance grouped NK and three MT samples tightly together and all WT with four MT samples that showed high variability. WT were hypomethylated compared to NK, and MT had a hypermethylated pattern compared to both groups. The methylation patterns were in agreement with methylases and demethylases expression. Methylation data pointed to the existence of two groups of metastases. While hierarchical clustering analysis based on the expression of all 2569 differentially expressed genes (DEGs) discriminated WT and MT from all NK samples, the hierarchical clustering based on the expression of 44 genes with a differentially methylated region (DMR) located in their promoter region revealed two groups: one containing all NKs and three MTs and one containing all WT and four MTs. Methylation changes might be controlling expression of genes associated with WT progression. The 44 genes are candidates to be further explored as a signature for metastasis formation in WT.
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Affiliation(s)
- João Victor da Silva Guerra
- Brazilian Biosciences National Laboratory (LNBio), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas 13083-970, Brazil
- Graduate Program in Biosciences and Technology of Bioactive Products, Institute of Biology, University of Campinas, Campinas 13083-862, Brazil
| | | | | | - Nicole de Miranda Scherer
- Bioinformatics an Computacional Biology Lab, Brazilian National Cancer Institute (INCa), Rio de Janeiro 20231-050, Brazil
| | - Carolina Furtado
- Brazilian National Cancer Institute (INCa), Rio de Janeiro 20231-050, Brazil
| | | | - Paulo Sergio Lopes de Oliveira
- Brazilian Biosciences National Laboratory (LNBio), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas 13083-970, Brazil
| | - Paulo Faria
- Brazilian National Cancer Institute (INCa), Rio de Janeiro 20231-050, Brazil
| | - Mariana Boroni
- Bioinformatics an Computacional Biology Lab, Brazilian National Cancer Institute (INCa), Rio de Janeiro 20231-050, Brazil
| | - Beatriz de Camargo
- Brazilian National Cancer Institute (INCa), Rio de Janeiro 20231-050, Brazil
| | - Mariana Maschietto
- Brazilian Biosciences National Laboratory (LNBio), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas 13083-970, Brazil.
- Boldrini Children's Hospital, Campinas 13083-884, Brazil.
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Wang MK, Gaither T, Phelps A, Cohen R, Baskin L. The Incidence and Durability of Compensatory Hypertrophy in Pediatric Patients with Solitary Kidneys. Urology 2019; 129:188-193. [PMID: 30986483 DOI: 10.1016/j.urology.2019.04.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 03/04/2019] [Accepted: 04/01/2019] [Indexed: 12/21/2022]
Abstract
OBJECTIVE To evaluate the incidence and durability of compensatory hypertrophy with solitary kidneys in the setting of those with multicystic dysplastic kidney (MCDK) or Wilms tumor (WT) status postnephrectomy. PATIENTS AND METHODS We conducted a retrospective cohort study of patients with MCDK and WT. MCDK patients were verified by sonographic findings prenatally. WT patients entered our study at time of nephrectomy. We compared the natural history of hypertrophy between the 2 cohorts via renal length measurement. We performed linear regression to predict creatinine clearance from renal length after adjusting for age and cohort status (MCDK versus WT). RESULTS Fifty-two patients (56%) were diagnosed with WT, and 71 patients (44%) with MCDK patients met study criteria with a median age of postnatal ultrasound at 1.6 months (interquartile range 0.5-3.6). The median (IQR) follow-up time was 7.5 years. At the time of nephrectomy, 25/52 (48%) of Wilms patients had contralateral hypertrophy, while at diagnosis 22/71 (31%) of MCDK patients had contralateral hypertrophy, P = .03. Contralateral hypertrophy was a consistent finding throughout follow-up. As renal length increases by 1 cm, glomerular filtration rate increased by 7.8 mL/min/m2 (95% confidence interval 1.8-13.8, P = .01). CONCLUSION Contralateral hypertrophy appears to be a compensatory mechanism for unilateral kidney pathology as demonstrated by MCDK and WT patients. Hypertrophy often occurs at the time of diagnosis and appears to be a permanent finding as children reach their teenage years. Additionally, in nonhydronephrotic kidneys, increases in renal length correlate with improvement in glomerular filtration rate. Overall, the majority of children with solitary kidneys demonstrate compensatory hypertrophy.
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Affiliation(s)
- Mary Katie Wang
- UCSF Benioff Children's Hospital, Department of Urology, Division of Pediatric Urology, San Francisco, CA
| | - Thomas Gaither
- UCSF Benioff Children's Hospital, Department of Urology, Division of Pediatric Urology, San Francisco, CA
| | - Andrew Phelps
- UCSF Benioff Children's Hospital, Department of Radiology and Biomedical Imaging, San Francisco, CA
| | - Ronald Cohen
- UCSF Benioff Children's Hospital Oakland, Department of Radiology, Oakland, CA
| | - Laurence Baskin
- UCSF Benioff Children's Hospital, Department of Urology, Division of Pediatric Urology, San Francisco, CA.
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Kooijmans ECM, Bökenkamp A, Tjahjadi NS, Tettero JM, van Dulmen‐den Broeder E, van der Pal HJH, Veening MA. Early and late adverse renal effects after potentially nephrotoxic treatment for childhood cancer. Cochrane Database Syst Rev 2019; 3:CD008944. [PMID: 30855726 PMCID: PMC6410614 DOI: 10.1002/14651858.cd008944.pub3] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Improvements in diagnostics and treatment for paediatric malignancies resulted in a major increase in survival. However, childhood cancer survivors (CCS) are at risk of developing adverse effects caused by multimodal treatment for their malignancy. Nephrotoxicity is a known side effect of several treatments, including cisplatin, carboplatin, ifosfamide, radiotherapy and nephrectomy, and can cause glomerular filtration rate (GFR) impairment, proteinuria, tubulopathy, and hypertension. Evidence about the long-term effects of these treatments on renal function remains inconclusive. It is important to know the risk of, and risk factors for, early and late adverse renal effects, so that ultimately treatment and screening protocols can be adjusted. This review is an update of a previously published Cochrane Review. OBJECTIVES To evaluate existing evidence on the effects of potentially nephrotoxic treatment modalities on the prevalence of renal dysfunction in survivors treated for childhood cancer with a median or mean survival of at least one year after cessation of treatment, where possible in comparison with the general population or CCS treated without potentially nephrotoxic treatment. In addition, to evaluate evidence on associated risk factors, such as follow-up duration, age at time of diagnosis and treatment combinations, as well as the effect of doses. SEARCH METHODS On 31 March 2017 we searched the following electronic databases: CENTRAL, MEDLINE and Embase. In addition, we screened reference lists of relevant studies and we searched the congress proceedings of the International Society of Pediatric Oncology (SIOP) and The American Society of Pediatric Hematology/Oncology (ASPHO) from 2010 to 2016/2017. SELECTION CRITERIA Except for case reports, case series and studies including fewer than 20 participants, we included studies with all study designs that reported on renal function (one year or longer after cessation of treatment), in CCS treated before the age of 21 years with cisplatin, carboplatin, ifosfamide, radiation involving the kidney region, a nephrectomy, or a combination of two or more of these treatments. When not all treatment modalities were described or the study group of interest was unclear, a study was not eligible for the evaluation of prevalence. We still included it for the assessment of risk factors if it had performed a multivariable analysis. DATA COLLECTION AND ANALYSIS Two review authors independently performed study selection, 'Risk of bias' assessment and data extraction using standardised data collection forms. We performed analyses according to the guidelines of the Cochrane Handbook for Systematic Reviews of Interventions. MAIN RESULTS Apart from the remaining 37 studies included from the original review, the search resulted in the inclusion of 24 new studies. In total, we included 61 studies; 46 for prevalence, six for both prevalence and risk factors, and nine not meeting the inclusion criteria, but assessing risk factors. The 52 studies evaluating the prevalence of renal dysfunction included 13,327 participants of interest, of whom at least 4499 underwent renal function testing. The prevalence of adverse renal effects ranged from 0% to 84%. This variation may be due to diversity of included malignancies, received treatments, reported outcome measures, follow-up duration and the methodological quality of available evidence.Seven out of 52 studies, including 244 participants, reported the prevalence of chronic kidney disease, which ranged from 2.4% to 32%.Of these 52 studies, 36 studied a decreased (estimated) GFR, including at least 432 CCS, and found it was present in 0% to 73.7% of participants. One eligible study reported an increased risk of glomerular dysfunction after concomitant treatment with aminoglycosides and vancomycin in CCS receiving total body irradiation (TBI). Four non-eligible studies assessing a total cohort of CCS, found nephrectomy and (high-dose (HD)) ifosfamide as risk factors for decreased GFR. The majority also reported cisplatin as a risk factor. In addition, two non-eligible studies showed an association of a longer follow-up period with glomerular dysfunction.Twenty-two out of 52 studies, including 851 participants, studied proteinuria, which was present in 3.5% to 84% of participants. Risk factors, analysed by three non-eligible studies, included HD cisplatin, (HD) ifosfamide, TBI, and a combination of nephrectomy and abdominal radiotherapy. However, studies were contradictory and incomparable.Eleven out of 52 studies assessed hypophosphataemia or tubular phosphate reabsorption (TPR), or both. Prevalence ranged between 0% and 36.8% for hypophosphataemia in 287 participants, and from 0% to 62.5% for impaired TPR in 246 participants. One non-eligible study investigated risk factors for hypophosphataemia, but could not find any association.Four out of 52 studies, including 128 CCS, assessed the prevalence of hypomagnesaemia, which ranged between 13.2% and 28.6%. Both non-eligible studies investigating risk factors identified cisplatin as a risk factor. Carboplatin, nephrectomy and follow-up time were other reported risk factors.The prevalence of hypertension ranged from 0% to 50% in 2464 participants (30/52 studies). Risk factors reported by one eligible study were older age at screening and abdominal radiotherapy. A non-eligible study also found long follow-up time as risk factor. Three non-eligible studies showed that a higher body mass index increased the risk of hypertension. Treatment-related risk factors were abdominal radiotherapy and TBI, but studies were inconsistent.Because of the profound heterogeneity of the studies, it was not possible to perform meta-analyses. Risk of bias was present in all studies. AUTHORS' CONCLUSIONS The prevalence of adverse renal effects after treatment with cisplatin, carboplatin, ifosfamide, radiation therapy involving the kidney region, nephrectomy, or any combination of these, ranged from 0% to 84% depending on the study population, received treatment combination, reported outcome measure, follow-up duration and methodological quality. With currently available evidence, it was not possible to draw solid conclusions regarding the prevalence of, and treatment-related risk factors for, specific adverse renal effects. Future studies should focus on adequate study designs and reporting, including large prospective cohort studies with adequate control groups when possible. In addition, these studies should deploy multivariable risk factor analyses to correct for possible confounding. Next to research concerning known nephrotoxic therapies, exploring nephrotoxicity after new therapeutic agents is advised for future studies. Until more evidence becomes available, CCS should preferably be enrolled into long-term follow-up programmes to monitor their renal function and blood pressure.
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Affiliation(s)
- Esmee CM Kooijmans
- Amsterdam UMC, Vrije Universiteit AmsterdamDepartment of Pediatrics, Division of Oncology/HematologyDe Boelelaan 1117AmsterdamNetherlands1081 HV
| | - Arend Bökenkamp
- Amsterdam UMC, Vrije Universiteit AmsterdamDepartment of Pediatric NephrologyPO Box 7057AmsterdamNetherlands1007 MB
| | - Nic S Tjahjadi
- Amsterdam UMC, Vrije Universiteit AmsterdamDepartment of Pediatrics, Division of Oncology/HematologyDe Boelelaan 1117AmsterdamNetherlands1081 HV
| | - Jesse M Tettero
- Amsterdam UMC, Vrije Universiteit AmsterdamDepartment of Pediatrics, Division of Oncology/HematologyDe Boelelaan 1117AmsterdamNetherlands1081 HV
| | - Eline van Dulmen‐den Broeder
- Amsterdam UMC, Vrije Universiteit AmsterdamDepartment of Pediatrics, Division of Oncology/HematologyDe Boelelaan 1117AmsterdamNetherlands1081 HV
| | - Helena JH van der Pal
- Princess Maxima Center for Pediatric Oncology, KE.01.129.2PO Box 85090UtrechtNetherlands3508 AB
| | - Margreet A Veening
- Amsterdam UMC, Vrije Universiteit AmsterdamDepartment of Pediatrics, Division of Oncology/HematologyDe Boelelaan 1117AmsterdamNetherlands1081 HV
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Prospective analysis of long-term renal function in survivors of childhood Wilms tumor. Pediatr Nephrol 2017; 32:1915-1925. [PMID: 28451896 DOI: 10.1007/s00467-017-3673-9] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Revised: 03/30/2017] [Accepted: 03/31/2017] [Indexed: 12/20/2022]
Abstract
BACKGROUND Considering the improved outcome, a better understanding of the late effects in Wilms tumor survivors (WT-S) is needed. This study was aimed at evaluating renal function and determining the prevalence of clinical and subclinical renal dysfunction in a cohort of WT-S using a multimodal diagnostic approach. METHODS Thirty-seven WT-S were included in this prospective cross-sectional single center study. To evaluate renal function, glomerular filtration rate (GFR) and urinary protein excretion were assessed. Additionally, kidney sonomorphology and blood pressure were analyzed. RESULTS All examined WT-S (mean age 28.7 years, mean follow-up 24.8 years) had been treated with a combination of surgery and chemotherapy; 59.5% had received adjuvant radiotherapy. Impaired glomerular renal function was detected in a considerable proportion of WT-S, with age-adjusted cystatin-based GFR estimation below age norm in 55.9%. A lower cystatin-based estimated GFR (eGFR) correlated with longer follow-up time and higher irradiation dose. In 5 patients (13.5%) albuminuria was identified. Analysis of sonomorphology detected compensatory contralateral renal hypertrophy in 83.3% of WT-S. Chronic kidney disease (CKD) ≥ stage II was present in 55.9% of WT-S. Blood pressure measurements revealed arterial hypertension in 15 (40.5%) WT-S (newly diagnosed n=10). In 24.3% both CKD ≥ stage II and arterial hypertension were determined. CONCLUSION Even though WT-S are believed to carry a low risk for end-stage renal disease, in this study, a remarkable number of WT-S presented with previously unidentified subclinical signs of renal function impairment and secondary morbidity. Therefore, it is important to continue regular follow-up, especially after transition into adulthood.
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