1
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Simonini M, Bologna A, Vezzoli G. Is denosumab an efficient and safe drug for osteoporosis in dialysis patients? Considerations and state of the art about its use in this setting. Int Urol Nephrol 2024; 56:3285-3293. [PMID: 38856936 DOI: 10.1007/s11255-024-04110-9] [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: 04/09/2024] [Accepted: 06/02/2024] [Indexed: 06/11/2024]
Abstract
PURPOSE In patients with chronic kidney disease (CKD), renal osteodystrophy may be associated with a progressive bone mass loss that increases fracture risk. Denosumab, a monoclonal antibody inhibiting osteoclast activity, is an antiresorptive medication used for the treatment osteoporosis. METHODS Its efficacy and safety were initially established in the FREEDOM study, showing a significant reduction in incident fractures in osteoporotic women treated with denosumab. Subsequent post hoc analyses showed its efficacy in patients stratified by kidney function, but these analyses did not include patients with advanced stages of CKD. The capability of denosumab in improving bone mineral density in uremic patients was evaluated in 12 studies including 461 dialysis patients with low bone mineral density. The improvement of bone mineral density was the final end point in these studies assessed during a follow-up of 6-60 months. Nine of these studies did not have hyperparathyroidism among criteria for patient inclusion and their participants may have low-turnover bone disease. Despite current recommendations, no patients underwent bone biopsy before denosumab therapy. RESULTS Overall, findings in these studies suggest that denosumab is a viable option for promoting bone mass recovery in patients with advanced stages of CKD having either high or low serum levels of PTH. However, the increase of bone mineral density was lower in patients with low serum markers of bone turnover at baseline. These studies also highlighted the need for calcium and vitamin D supplementation to prevent hypocalcemia that remains a serious concern. CONCLUSIONS Denosumab emerges as a potentially safe and effective option for enhancing bone health in CKD patients.
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Affiliation(s)
- Marco Simonini
- IRCCS San Raffaele Scientific Institute, Nephrology and Dialysis Unit, Milan, Italy
| | - Arianna Bologna
- IRCCS San Raffaele Scientific Institute, Nephrology and Dialysis Unit, Milan, Italy
- Università Vita Salute San Raffaele, Milan, Italy
| | - Giuseppe Vezzoli
- IRCCS San Raffaele Scientific Institute, Nephrology and Dialysis Unit, Milan, Italy.
- Università Vita Salute San Raffaele, Milan, Italy.
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2
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Choi JW, Kong SH, Kim YJ, Chung HS, Yu JM, Park JS, Lee CH, Park JH, Kim DS, Oh CM, Moon S. Effect of low muscle mass on total mortality related to metabolic disease in chronic kidney disease patients. Sci Rep 2024; 14:22837. [PMID: 39354032 PMCID: PMC11445479 DOI: 10.1038/s41598-024-73903-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Accepted: 09/23/2024] [Indexed: 10/03/2024] Open
Abstract
Low muscle mass is a risk factor for mortality in patients with chronic kidney disease (CKD). However, it is not clear to what extent low muscle mass contributes to this risk, either independently or in combination with metabolic abnormalities and frailty. This study used data from the National Health and Nutrition Examination Survey 1999-2006 and 2011-2018. Low muscle mass was defined as Appendicular Skeletal Mass Index < 7 kg/m2 in men or < 5.5 kg/m2 in women. The follow-up duration was from the first anthropometric and clinical measurements to death or the last follow-up. This study enrolled 2072 patients with CKD. Low muscle mass was associated with a lower risk of metabolic abnormalities, but was associated with an elevated mortality risk. Conversely, central obesity was associated with a higher likelihood of metabolic abnormalities and frailty, yet showed no significant association with mortality risk. Subsequently conducted mediation analysis indicated that the effect of low muscle mass on mortality was direct, not mediated by frailty and metabolic abnormalities. In spite of the inverse relationship between low muscle mass and metabolic abnormalities, low muscle mass are directly associated with an increased risk of all-cause mortality. Low muscle mass may directly contribute to mortality in patients with CKD, independent of metabolic abnormalities and frailty in these patients.
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Affiliation(s)
- Jong Wook Choi
- Department of Internal Medicine, Hanyang University College of Medicine, 222-1 Wangsimni- ro, Seongdong-gu, Seoul, 04763, Korea
| | - Sung Hye Kong
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, 13620, Korea
| | - Yoon Jung Kim
- Department of Internal Medicine, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, 07441, Korea
| | - Hye Soo Chung
- Department of Internal Medicine, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, 07441, Korea
| | - Jae Myung Yu
- Department of Internal Medicine, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, 07441, Korea
| | - Joon-Sung Park
- Department of Internal Medicine, Hanyang University College of Medicine, 222-1 Wangsimni- ro, Seongdong-gu, Seoul, 04763, Korea
| | - Chang Hwa Lee
- Department of Internal Medicine, Hanyang University College of Medicine, 222-1 Wangsimni- ro, Seongdong-gu, Seoul, 04763, Korea
| | - Jung Hwan Park
- Department of Internal Medicine, Hanyang University College of Medicine, 222-1 Wangsimni- ro, Seongdong-gu, Seoul, 04763, Korea
| | - Dong Sun Kim
- Department of Internal Medicine, Hanyang University College of Medicine, 222-1 Wangsimni- ro, Seongdong-gu, Seoul, 04763, Korea
| | - Chang-Myung Oh
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju, 61005, Korea.
| | - Shinje Moon
- Department of Internal Medicine, Hanyang University College of Medicine, 222-1 Wangsimni- ro, Seongdong-gu, Seoul, 04763, Korea.
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3
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Pethő ÁG, Tapolyai M, Csongrádi É, Orosz P. Management of chronic kidney disease: The current novel and forgotten therapies. J Clin Transl Endocrinol 2024; 36:100354. [PMID: 38828402 PMCID: PMC11143912 DOI: 10.1016/j.jcte.2024.100354] [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: 04/18/2024] [Revised: 05/16/2024] [Accepted: 05/21/2024] [Indexed: 06/05/2024] Open
Abstract
Chronic kidney disease (CKD) is a progressive and incurable condition that imposes a significant burden on an aging society. Although the exact prevalence of this disease is unknown, it is estimated to affect at least 800 million people worldwide. Patients with diabetes or hypertension are at a higher risk of developing chronic kidney damage. As the kidneys play a crucial role in vital physiological processes, damage to these organs can disrupt the balance of water and electrolytes, regulation of blood pressure, elimination of toxins, and metabolism of vitamin D. Early diagnosis is paramount to prevent potential complications. Treatment options such as dietary modifications and medications can help slow disease progression. In our narrative review, we have summarized the available therapeutic options to slow the progression of chronic kidney disease. Many new drug treatments have recently become available, offering a beacon of hope and optimism in CKD management. Nonetheless, disease prevention remains the most critical step in disease management. Given the significant impact of CKD on public health, there is a pressing need for further research. With the development of new technologies and advancements in medical knowledge, we hope to find more effective diagnostic tools and treatments for CKD patients.
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Affiliation(s)
- Ákos Géza Pethő
- Faculty of Medicine, Semmelweis University, Department of Internal
Medicine and Oncology, Budapest, Hungary
| | - Mihály Tapolyai
- Medicine Service, Ralph H. Johnson VA Medical Center, Charleston, SC,
USA
- Department of Nephrology, Szent Margit Kórhaz, Budapest,
Hungary
| | - Éva Csongrádi
- Faculty of Medicine, University of Debrecen, Debrecen,
Hungary
| | - Petronella Orosz
- Bethesda Children’s Hospital, 1146 Budapest, Hungary
- Department of Pediatrics, Faculty of Medicine, University of Debrecen,
4032 Debrecen, Hungary
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4
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Jørgensen HS, Moe S, Nickolas TL. Diagnosis and therapeutic decisions of osteoporosis in chronic kidney disease. J Bone Miner Res 2024; 39:531-535. [PMID: 38630872 DOI: 10.1093/jbmr/zjae062] [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: 02/05/2024] [Revised: 04/02/2024] [Accepted: 04/15/2024] [Indexed: 04/19/2024]
Abstract
A 63-yr-old woman with end-stage CKD secondary to glomerulonephritis, on hemodialysis therapy, presented with scoliosis, back pain, and progressive loss of physical function for which corrective surgery was planned. Optimization of bone health was requested by the surgeon as a DXA scan had revealed osteoporosis at spine, hip, and forearm. Due to previous subtotal parathyroidectomy and normal parathyroid hormone and bone-specific alkaline phosphatase levels, a low bone turnover state was suspected. An iliac bone biopsy was performed and revealed low bone turnover, a mineralization defect, and severe osteoporosis. The patient was treated with calcium and intensified vitamin D supplementation, followed by a 2-yr course of teriparatide. Monitoring of bone turnover markers indicated a bone anabolic response to therapy, and a repeat DXA showed increases in BMD at spine and hip. A repeat biopsy at end of treatment showed normal bone turnover and mineralization. This case demonstrates the complicated bone health of patients with advanced CKD. As there are no randomized trials for fracture pretention in patients with CKD, care must be individualized and is often based on expert opinion. The use of bone biopsy is safe and informative in guiding therapy.
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Affiliation(s)
- Hanne Skou Jørgensen
- Institute of Clinical Medicine, University of Aarhus, Aarhus, 8200, Denmark
- Department of Nephrology, Aalborg University Hospital, Aalborg, 9000, Denmark
| | - Sharon Moe
- Division of Nephrology and Hypertension, Indiana University School of Medicine, Indianapolis, IN 46202, United States
| | - Thomas L Nickolas
- Department of Medicine, Division of Nephrology, Columbia University Irving Medical Center, New York, NY 10032, United States
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5
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Provenzano M, Hu L, Tringali E, Senatore M, Talarico R, Di Dio M, Ruotolo C, La Manna G, Garofalo C, Zaza G. Improving Kidney Disease Care: One Giant Leap for Nephrology. Biomedicines 2024; 12:828. [PMID: 38672183 PMCID: PMC11048002 DOI: 10.3390/biomedicines12040828] [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: 02/18/2024] [Revised: 03/24/2024] [Accepted: 03/27/2024] [Indexed: 04/28/2024] Open
Abstract
Nephrology is an ever-evolving field of medicine. The importance of such a discipline is related to the high clinical impact of kidney disease. In fact, abnormalities of kidney function and/or structure are common in the general population, reaching an overall prevalence of about 10%. More importantly, the onset of kidney damage is related to a strikingly high risk of cardiovascular events, mortality, and progression to kidney failure which, in turn, compromises quality and duration of life. Attempts to comprehend the pathogenesis and molecular mechanisms involved in kidney disease occurrence have prompted the development and implementation of novel drugs in clinical practice with the aim of treating the 'specific cause' of kidney disease (including chronic kidney disease, glomerular disease, and genetic kidney disorders) and the main immunological complications following kidney transplantation. Herein, we provide an overview of the principal emerging drug classes with proved efficacy in the context of the aforementioned clinical conditions. This can represent a simplified guide for clinical nephrologists to remind them of the vast and heterogeneous armamentarium of drugs that should be used in the present and the future to improve the management of patients suffering from kidney disease.
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Affiliation(s)
- Michele Provenzano
- Department of Pharmacy Health and Nutritional Sciences, University of Calabria, 87036 Rende, Italy; (M.S.); (R.T.)
| | - Lilio Hu
- Nephrology, Dialysis and Kidney Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (L.H.); (E.T.); (G.L.M.)
- Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, 40138 Bologna, Italy
| | - Edoardo Tringali
- Nephrology, Dialysis and Kidney Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (L.H.); (E.T.); (G.L.M.)
- Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, 40138 Bologna, Italy
| | - Massimo Senatore
- Department of Pharmacy Health and Nutritional Sciences, University of Calabria, 87036 Rende, Italy; (M.S.); (R.T.)
| | - Roberta Talarico
- Department of Pharmacy Health and Nutritional Sciences, University of Calabria, 87036 Rende, Italy; (M.S.); (R.T.)
| | - Michele Di Dio
- Division of Urology, Department of Surgery, SS Annunziata Hospital, 87100 Cosenza, Italy;
| | - Chiara Ruotolo
- Unit of Nephrology, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 81100 Caserta, Italy; (C.R.); (C.G.)
| | - Gaetano La Manna
- Nephrology, Dialysis and Kidney Transplant Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy; (L.H.); (E.T.); (G.L.M.)
- Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum University of Bologna, 40138 Bologna, Italy
| | - Carlo Garofalo
- Unit of Nephrology, Department of Advanced Medical and Surgical Sciences, University of Campania “Luigi Vanvitelli”, 81100 Caserta, Italy; (C.R.); (C.G.)
| | - Gianluigi Zaza
- Department of Pharmacy Health and Nutritional Sciences, University of Calabria, 87036 Rende, Italy; (M.S.); (R.T.)
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6
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Hong WK, Kim S, Gong HS. Fracture Management in Chronic Kidney Disease: Challenges and Considerations for Orthopedic Surgeons. Clin Orthop Surg 2024; 16:173-183. [PMID: 38562627 PMCID: PMC10973623 DOI: 10.4055/cios23244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 10/29/2023] [Accepted: 11/24/2023] [Indexed: 04/04/2024] Open
Abstract
Orthopedic surgeons treating fractures need to consider comorbidities, including chronic kidney disease (CKD), which affects millions worldwide. CKD patients are at elevated risk of fractures due to osteoporosis, especially in advanced stages. In addition, fractures in CKD patients pose challenges due to impaired bone healing and increased post-fracture complications including surgical site infection and nonunion. In this article, we will discuss factors that must be considered when treating fractures in CKD patients. Perioperative management includes careful adjustment of hemodialysis schedules, selection of anesthetic methods, and addressing bleeding tendencies. Tourniquet usage for fractures in limbs with arteriovenous fistulae should be cautious. Pain medication should be administered carefully, with opioids like hydromorphone preferred over nonsteroidal anti-inflammatory drugs. Medical management after fractures should address underlying factors and include physical rehabilitation to reduce the risk of subsequent fractures. A comprehensive approach to fracture management in CKD patients can improve outcomes.
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Affiliation(s)
- Wan Kee Hong
- Department of Orthopedic Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Sejoong Kim
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Hyun Sik Gong
- Department of Orthopedic Surgery, Seoul National University Bundang Hospital, Seongnam, Korea
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7
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Kim H, Lee EJ, Woo S, Rho S, Jung JY. Effect of Denosumab on Bone Health, Vascular Calcification, and Health-Related Quality of Life in Hemodialysis Patients with Osteoporosis: A Prospective Observational Study. J Clin Med 2024; 13:1462. [PMID: 38592300 PMCID: PMC10934499 DOI: 10.3390/jcm13051462] [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: 01/29/2024] [Revised: 02/26/2024] [Accepted: 02/29/2024] [Indexed: 04/10/2024] Open
Abstract
Background: Osteoporosis is common in hemodialysis (HD) patients, contributing to cardiovascular risks. Limited research exists on denosumab's efficacy in this group. Our study explores denosumab's effects on bone turnover markers (BTMs) and vascular calcification in chronic kidney disease-mineral bone disorder (CKD-MBD) patients. Methods: In a prospective single-center study, we investigated the effects of denosumab over 2 years on 30 HD patients from a cohort of 185. Annual assessments of bone mineral density (BMD), vascular calcification, and health-related quality of life (HRQL) were conducted and compared with an untreated group. Mineral and bone parameters were analyzed at specific intervals in the treatment group. Results: Denosumab notably raised femoral BMD in the initial year. Most bone turnover markers (BTMs) decreased, except for osteocalcin. Changes in T50 correlated with BTMs. Pre-denosumab supplementation of calcium and vitamin D helped manage mineral imbalances. Post denosumab, parathyroid hormone (PTH) levels increased initially, stabilizing after 3 months. No significant changes occurred in vascular calcification or HRQL. Conclusions: Denosumab exhibited varying effects on BMD improvement, with a stronger impact in the first year that diminished in the second year. Early PTH monitoring was crucial, and extending the administrative period may enhance BMD outcomes compared to the general population.
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Affiliation(s)
- Hyunsook Kim
- Department of Health Sciences and Technology, Gachon University, Incheon 21565, Republic of Korea;
| | - Eun Ju Lee
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon 21565, Republic of Korea; (E.J.L.); (S.W.)
| | - Siyun Woo
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon 21565, Republic of Korea; (E.J.L.); (S.W.)
| | - Sohee Rho
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon 21565, Republic of Korea; (E.J.L.); (S.W.)
| | - Ji Yong Jung
- Department of Health Sciences and Technology, Gachon University, Incheon 21565, Republic of Korea;
- Division of Nephrology, Department of Internal Medicine, Gachon University Gil Medical Center, Incheon 21565, Republic of Korea; (E.J.L.); (S.W.)
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8
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Khairallah P, Nickolas TL. Managing Osteoporosis in Dialysis-A Medical Catch-22. JAMA 2024; 331:477-479. [PMID: 38241040 DOI: 10.1001/jama.2023.24072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Affiliation(s)
| | - Thomas L Nickolas
- Department of Medicine, Columbia University Irving Medical Center, New York, New York
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9
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Altunok M, Miloğlu Ö, Doğan H, Yılmaz AB, Uyanık A, Çankaya E. Fractal characteristics of the trabecular pattern of the mandible in patients with renal transplantation. Clin Transplant 2024; 38:e15236. [PMID: 38289886 DOI: 10.1111/ctr.15236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 11/10/2023] [Accepted: 12/26/2023] [Indexed: 02/01/2024]
Abstract
OBJECTIVE In this study, we examined the mandibular trabecular bone structures by performing fractal dimension (FD) analysis in patients who underwent renal transplantation (RTx). METHODS Our study is an observational study with 69 RTx patients and 35 control group patients. The mean FD values of the patient and control groups were calculated and compared. In addition, biochemical parathyroid hormone (PTH), serum calcium, phosphorus, alkaline phosphatase (ALP), and vitamin-D parameters and FD values of both groups were analyzed. RESULTS FD values were significantly lower in the patient group than in the healthy group (p < .05). In the RTx group compared to the control group, ALP (90.71 ± 34.25-66.54 ± 16.8, respectively) (p < .001) and PTH (75.76 ± 38.01-38.17 ± 12.39, respectively) (p < .001) values were higher. There was a positive correlation between the FD values and ALP (rspearman = .305, p = .011) and a negative correlation between FD values and vitamin-D (rspearman = .287, p = .017) of patients with RTx. CONCLUSION FD values were found to be lower in patients who underwent RTx compared to the control group. It should be considered that FD analysis can be a method that can be used to evaluate trabecular bone structure in patients undergoing RTx.
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Affiliation(s)
- Murat Altunok
- Department of Nephrology, Faculty of Medicine, Atatürk University, Erzurum, Turkey
| | - Özkan Miloğlu
- Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Atatürk University, Erzurum, Turkey
| | - Hasan Doğan
- Department of Medical Biology Genetics, Faculty of Medicine, Atatürk University, Erzurum, Turkey
| | - Ahmet Berhan Yılmaz
- Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Atatürk University, Erzurum, Turkey
| | - Abdullah Uyanık
- Department of Nephrology, Faculty of Medicine, Atatürk University, Erzurum, Turkey
| | - Erdem Çankaya
- Department of Nephrology, Faculty of Medicine, Atatürk University, Erzurum, Turkey
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10
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Xiong Y, Huang CW, Shi C, Peng L, Cheng YT, Hong W, Liao J. Quercetin suppresses ovariectomy-induced osteoporosis in rat mandibles by regulating autophagy and the NLRP3 pathway. Exp Biol Med (Maywood) 2023; 248:2363-2380. [PMID: 38240215 PMCID: PMC10903250 DOI: 10.1177/15353702231211977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Accepted: 08/29/2023] [Indexed: 01/23/2024] Open
Abstract
With the aging population and the popularity of implant prostheses, an increasing number of postmenopausal osteoporosis (PMOP) patients require implant restorations; however, poor bone condition affects the long-term stability of implant prostheses. This study aimed to investigate the therapeutic effect of quercetin (QR) compared with alendronate (ALN), the primary treatment for PMOP, on mandibular osteoporosis (OP) induced by ovariectomy (OVX) in female rats. Adult female rats were treated with QR (50 mg/kg/day), ALN (6.25 mg/kg/week) by gavage for 8 weeks, chloroquine (CQ, 10 mg/kg/twice a week), and cytokine release inhibitory drug 3 (MCC950, 10 mg/kg/three times a week) by intraperitoneal injection for 8 weeks after bilateral OVX. Blood samples were collected prior to euthanasia; the mandibles were harvested and subjected to micro-computed tomography (micro-CT) and pathological analysis. QR administration controlled weight gain and significantly improved the bone microstructure in OVX rats, increasing bone mass, and bone mineral density (BMD), reducing bone trabecular spacing, and decreasing osteoclast numbers. Western blotting, real-time quantitative PCR (RT-qPCR), and serum markers confirmed that QR inhibited interleukin- 1β (IL-1β) and interleukin-18 (IL-18) on the nucleotide-binding oligomerization domain (NOD)-like receptor (NLR) protein 3 (NLRP3) pathway thereby inhibiting osteoclast differentiation, immunofluorescence and western blotting also confirmed that QR inhibited autophagy in OVX rats and suppressed the number of tartrate-resistant acid phosphatase (TRAP)-stained positive osteoclasts. The findings suggest that QR may protect the bone structure and prevent bone loss in osteoporotic rats by inhibiting the NLRP3 pathway and autophagy in osteoclasts with comparable effects to ALN, thus QR may have the potential to be a promising alternative supplement for the preventive and therapeutic treatment of PMOP.
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Affiliation(s)
- Yue Xiong
- Department of Prosthodontics and Implantology, School/Hospital of Stomatology, Guizhou Medical University, Guiyang 550004, P.R. China
| | | | - Chao Shi
- Guizhou Medical University, Guiyang 550004, P.R. China
| | - Liang Peng
- Guizhou Medical University, Guiyang 550004, P.R. China
| | - Yu-Ting Cheng
- Department of Prosthodontics and Implantology, School/Hospital of Stomatology, Guizhou Medical University, Guiyang 550004, P.R. China
| | - Wei Hong
- Guizhou Medical University, Guiyang 550004, P.R. China
| | - Jian Liao
- Department of Prosthodontics and Implantology, School/Hospital of Stomatology, Guizhou Medical University, Guiyang 550004, P.R. China
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11
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Tiwari JP. Osteoporosis in Renal Disease. Indian J Orthop 2023; 57:192-199. [PMID: 38107809 PMCID: PMC10721758 DOI: 10.1007/s43465-023-01021-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2023] [Accepted: 10/09/2023] [Indexed: 12/19/2023]
Abstract
Introduction Osteoporosis is a disorder characterized by decreased bone mass and skeletal fragility with increased fracture risk. Chronic kidney disease presents with wide range of bone metabolic disorders, including osteoporosis. Osteoporosis prevalence is high in early stages of CKD; whereas in late stages, it coexists with renal osteodystrophy. Risk factors Risk factors for osteoporosis include advancing age, low bone mineral density (BMD), glucocorticoid therapy, smoking, alcohol intake, etc. Diagnosis The diagnosis of osteoporosis in renal disease is made after assessment of BMD, in addition to exclusion of chronic kidney disease-mineral bone disorder (CKD-MBD), eliciting history of prior fragility fractures and relevant laboratory investigations. Management The treatment of osteoporosis varies with the different stages of CKD, with management in stages 1-3 being similar to the general population. Special emphasis must be laid on prevention of fractures as well.
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Affiliation(s)
- Jai Prakash Tiwari
- Department of Nephrology, Goa Medical College, Bambolim, Goa 403202 India
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12
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Khairallah P, Cherasard J, Sung J, Agarwal S, Aponte MA, Bucovsky M, Fusaro M, Silberzweig J, Frumkin GN, El Hachem K, Schulman L, McMahon D, Allen MR, Metzger CE, Surowiec RK, Wallace J, Nickolas TL. Changes in Bone Quality after Treatment with Etelcalcetide. Clin J Am Soc Nephrol 2023; 18:1456-1465. [PMID: 37574661 PMCID: PMC10637456 DOI: 10.2215/cjn.0000000000000254] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 07/31/2023] [Indexed: 08/15/2023]
Abstract
INTRODUCTION Secondary hyperparathyroidism is associated with osteoporosis and fractures. Etelcalcetide is an intravenous calcimimetic for the control of hyperparathyroidism in patients on hemodialysis. Effects of etelcalcetide on the skeleton are unknown. METHODS In a single-arm, open-label, 36-week prospective trial, we hypothesized that etelcalcetide improves bone quality and strength without damaging bone-tissue quality. Participants were 18 years or older, on hemodialysis ≥1 year, without calcimimetic exposure within 12 weeks of enrollment. We measured pretreatment and post-treatment areal bone mineral density by dual-energy X-ray absorptiometry, central skeleton trabecular microarchitecture by trabecular bone score, and peripheral skeleton volumetric bone density, geometry, microarchitecture, and estimated strength by high-resolution peripheral quantitative computed tomography. Bone-tissue quality was assessed using quadruple-label bone biopsy in a subset of patients. Paired t tests were used in our analysis. RESULTS Twenty-two participants were enrolled; 13 completed follow-up (mean±SD age 51±14 years, 53% male, and 15% White). Five underwent bone biopsy (mean±SD age 52±16 years and 80% female). Over 36 weeks, parathyroid hormone levels declined 67%±9% ( P < 0.001); areal bone mineral density at the spine, femoral neck, and total hip increased 3%±1%, 7%±2%, and 3%±1%, respectively ( P < 0.05); spine trabecular bone score increased 10%±2% ( P < 0.001); and radius stiffness and failure load trended to a 7%±4% ( P = 0.05) and 6%±4% increase ( P = 0.06), respectively. Bone biopsy demonstrated a decreased bone formation rate (mean difference -25±4 µ m 3 / µ m 2 per year; P < 0.01). CONCLUSIONS Treatment with etelcalcetide for 36 weeks was associated with improvements in central skeleton areal bone mineral density and trabecular quality and lowered bone turnover without affecting bone material properties. CLINICAL TRIAL REGISTRY NAME AND REGISTRATION NUMBER The Effect of Etelcalcetide on CKD-MBD (Parsabiv-MBD), NCT03960437.
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Affiliation(s)
| | - Jenna Cherasard
- City University of New York School of Medicine, New York, New York
| | - Joshua Sung
- Columbia University Irving Medical Center, New York, New York
| | | | | | | | | | | | - Gail N. Frumkin
- Rogosin Institute, NewYork-Presbyterian Hospital, New York, New York
| | - Karim El Hachem
- Rogosin Institute, NewYork-Presbyterian Hospital, New York, New York
| | - Linda Schulman
- Rogosin Institute, NewYork-Presbyterian Hospital, New York, New York
| | - Donald McMahon
- Columbia University Irving Medical Center, New York, New York
| | | | | | | | - Joseph Wallace
- Indiana University School of Medicine, Indianapolis, Indiana
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Fusaro M, Pereira L, Bover J. Current and Emerging Markers and Tools Used in the Diagnosis and Management of Chronic Kidney Disease-Mineral and Bone Disorder in Non-Dialysis Adult Patients. J Clin Med 2023; 12:6306. [PMID: 37834950 PMCID: PMC10573159 DOI: 10.3390/jcm12196306] [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: 08/02/2023] [Revised: 09/19/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
Chronic kidney disease (CKD) is a significant public health concern associated with significant morbidity and has become one of the foremost global causes of death in recent years. A frequent comorbidity of CKD is secondary hyperparathyroidism (SHPT), exemplified by high serum parathyroid hormone (PTH) levels. The mineral metabolism disturbances resulting from CKD and progression to SHPT are currently considered part of the definition of chronic kidney disease-mineral and bone disorder (CKD-MBD). However, CKD-MBD does not only include abnormalities in laboratory-measured parameters; it is a complex condition characterized by dysregulation of bone turnover, mineralization, growth and strength, accompanied by vascular or another soft-tissue calcification. Together, this increases the risk of bone fractures, cardiovascular disease, and overall mortality in CKD-MBD patients. Monitoring serum markers is essential in diagnosing SHPT and CKD-MBD, and there are several recognized indicators for prognosis, optimal clinical management and treatment response in late-stage kidney disease patients receiving dialysis. However, far fewer markers have been established for patients with non-dialysis CKD. This review provides an overview of current and emerging markers and tools used in the diagnosis and management of CKD-MBD in non-dialysis adult patients.
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Affiliation(s)
- Maria Fusaro
- National Research Council (CNR)—Institute of Clinical Physiology (IFC), Via G. Moruzzi 1, 56124 Pisa, Italy
- Department of Medicine, University of Padova, Via Giustiniani, 2, 35128 Padova, Italy
| | - Luciano Pereira
- Institute of Investigation and Innovation in Health, University of Porto, 4200-135 Porto, Portugal
- INEB—National Institute of Biomedical Engineering, University of Porto, 4150-180 Porto, Portugal
- DaVita Kidney Care, 4200-448 Porto, Portugal
- Faculty of Medicine, University of Porto, 4200-250 Porto, Portugal
| | - Jordi Bover
- Nephrology Department, University Hospital Germans Trias i Pujol (HGiTP), 08916 Barcelona, Spain
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Abduelkarem AR, Guella A, Hamrouni AM, Hassanein MM, Nasr A, Rana O. Denosumab Use in Chronic Kidney Disease Associated Osteoporosis: A Narrative Review. Risk Manag Healthc Policy 2023; 16:1809-1813. [PMID: 37719685 PMCID: PMC10503558 DOI: 10.2147/rmhp.s426869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 09/06/2023] [Indexed: 09/19/2023] Open
Abstract
Chronic kidney disease (CKD) and hemodialysis (HD) patients have a high incidence of bone disease and increased fracture risk, making effective management of their bone health a clinical challenge. Denosumab, a human monoclonal antibody, has been investigated as a therapeutic option in this patient population. In this review, we summarize the current evidence on the efficacy and safety of denosumab in CKD and HD patients. A comprehensive search of the relevant literature was conducted, including randomized controlled trials, observational studies, and meta-analyses. The findings suggest that denosumab reduces the risk of fractures and improves bone mineral density in all stages of CKD. The results of this review support the use of denosumab as a promising option for managing bone disease in CKD and HD patients.
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Affiliation(s)
- Abduelmula R Abduelkarem
- Department of Pharmacy Practice and Pharmacotherapeutics, College of Pharmacy, University of Sharjah, Sharjah, United Arab Emirates
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Adnane Guella
- Department of Nephrology, University Hospital Sharjah, Sharjah, United Arab Emirates
| | - Amar M Hamrouni
- Department of Pharmaceutical Sciences, College of Pharmacy, Al Ain University, Al Ain, United Arab Emirates
| | - Mohammed M Hassanein
- Department of Pharmacy Practice and Pharmacotherapeutics, College of Pharmacy, University of Sharjah, Sharjah, United Arab Emirates
| | - Ahmed Nasr
- Pharmacy Department, University Hospital Sharjah, Sharjah, United Arab Emirates
| | - Owais Rana
- Department of Internal Medicine, University Hospital Sharjah, Sharjah, United Arab Emirates
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Nickolas TL. Treating Osteoporosis with Denosumab in Patients on Hemodialysis: The Good, the Bad, and the Ugly. Clin J Am Soc Nephrol 2023; 18:1116-1118. [PMID: 37533153 PMCID: PMC10564342 DOI: 10.2215/cjn.0000000000000260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2023]
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16
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Torregrosa JV, Bover J, Rodríguez Portillo M, González Parra E, Dolores Arenas M, Caravaca F, González Casaus ML, Martín-Malo A, Navarro-González JF, Lorenzo V, Molina P, Rodríguez M, Cannata Andia J. Recommendations of the Spanish Society of Nephrology for the management of mineral and bone metabolism disorders in patients with chronic kidney disease: 2021 (SEN-MM). Nefrologia 2023; 43 Suppl 1:1-36. [PMID: 37202281 DOI: 10.1016/j.nefroe.2023.03.003] [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: 02/17/2022] [Accepted: 03/26/2022] [Indexed: 05/20/2023] Open
Abstract
As in 2011, when the Spanish Society of Nephrology (SEN) published the Spanish adaptation to the Kidney Disease: Improving Global Outcomes (KDIGO) universal Guideline on Chronic Kidney Disease-Mineral and Bone Disorder (CKD-MBD), this document contains an update and an adaptation of the 2017 KDIGO guidelines to our setting. In this field, as in many other areas of nephrology, it has been impossible to irrefutably answer many questions, which remain pending. However, there is no doubt that the close relationship between the CKD-MBD/cardiovascular disease/morbidity and mortality complex and new randomised clinical trials in some areas and the development of new drugs have yielded significant advances in this field and created the need for this update. We would therefore highlight the slight divergences that we propose in the ideal objectives for biochemical abnormalities in the CKD-MBD complex compared to the KDIGO suggestions (for example, in relation to parathyroid hormone or phosphate), the role of native vitamin D and analogues in the control of secondary hyperparathyroidism and the contribution of new phosphate binders and calcimimetics. Attention should also be drawn to the adoption of important new developments in the diagnosis of bone abnormalities in patients with kidney disease and to the need to be more proactive in treating them. In any event, the current speed at which innovations are taking place, while perhaps slower than we might like, globally drives the need for more frequent updates (for example, through Nefrología al día).
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Affiliation(s)
| | - Jordi Bover
- Hospital Germans Trias i Pujol, Badalona, Spain
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Hasegawa T, Tokunaga S, Yamamoto T, Sakai M, Hongo H, Kawata T, Amizuka N. Evocalcet Rescues Secondary Hyperparathyroidism-driven Cortical Porosity in CKD Male Rats. Endocrinology 2023; 164:7013989. [PMID: 36718587 PMCID: PMC9939342 DOI: 10.1210/endocr/bqad022] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 01/09/2023] [Accepted: 01/27/2023] [Indexed: 02/01/2023]
Abstract
To elucidate the effect of evocalcet, a new oral calcimimetic to bone of secondary hyperparathyroidism (SHPT) with chronic kidney disease (CKD), the rats were 5/6 nephrectomized and fed on a high-phosphate diet. The treated rats were then divided into vehicle groups and evocalcet administered groups. The rats in the vehicle groups exhibited increased levels of serum PTH and inorganic phosphate (Pi) levels, high bone turnover, and severe cortical porosity, mimicking SHPT (CKD-SHPT rats). The cortical bone of the CKD-SHPT rats showed broad demineralization around the osteocytes, suppression of Phex/small integrin-binding ligand N-linked glycoprotein-mediated mineralization in the periphery of the osteocytic lacunae, and increased levels of osteocytic cell death, all of which were considered as the first steps of cortical porosity. In contrast, evocalcet ameliorated the increased serum PTH levels, the enlarged osteocytic lacunae, and the cortical porosity of the CKD-SHPT rats. Osteocytes of CKD-SHPT rats strongly expressed PTH receptor and Pit1/Pit2, which sense extracellular Pi, indicating that PTH and Pi affected these osteocytes. Cell death of cultured osteocytes increased in a Pi concentration-dependent manner, and PTH administration rapidly elevated Pit1 expression and enhanced osteocytic death, indicating the possibility that the highly concentrated serum PTH and Pi cause severe perilacunar osteolysis and osteocytic cell death. It is likely therefore that evocalcet not only decreases serum PTH but also reduces the exacerbation combined with PTH and Pi to the demineralization of osteocytic lacunae and osteocytic cell death, thereby protecting cortical porosity in CKD-SHPT rats.
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Affiliation(s)
- Tomoka Hasegawa
- Developmental Biology of Hard Tissue, Graduate School of Dental Medicine, and Faculty of Dental Medicine, Hokkaido University,Sapporo, Japan
| | - Shin Tokunaga
- Medical Affairs Department, Kyowa Kirin Co., Ltd.,Tokyo, Japan
- Biomedical Science Research Laboratories 1, Research Unit, R&D Division, Kyowa Kirin Co., Ltd.,Shizuoka, Japan
| | - Tomomaya Yamamoto
- Developmental Biology of Hard Tissue, Graduate School of Dental Medicine, and Faculty of Dental Medicine, Hokkaido University,Sapporo, Japan
| | - Mariko Sakai
- Biomedical Science Research Laboratories 1, Research Unit, R&D Division, Kyowa Kirin Co., Ltd.,Shizuoka, Japan
| | - Hiromi Hongo
- Developmental Biology of Hard Tissue, Graduate School of Dental Medicine, and Faculty of Dental Medicine, Hokkaido University,Sapporo, Japan
| | - Takehisa Kawata
- Medical Affairs Department, Kyowa Kirin Co., Ltd.,Tokyo, Japan
| | - Norio Amizuka
- Correspondence: Norio Amizuka, DDS, PhD, Developmental Biology of Hard Tissue, Graduate School of Dental Medicine, and Faculty of Dental Medicine, Hokkaido University, Kita 13 Nishi 7 Kita-ku, Sapporo, 060-8586, Japan. E-mail:
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Nagy E, Sobh MM, Abdalbary M, Elnagar S, Elrefaey R, Shabaka S, Elshabrawy N, Shemies R, Tawfik M, Santos CGS, Barreto FC, El-Husseini A. Is Adynamic Bone Always a Disease? Lessons from Patients with Chronic Kidney Disease. J Clin Med 2022; 11:jcm11237130. [PMID: 36498703 PMCID: PMC9736225 DOI: 10.3390/jcm11237130] [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: 11/10/2022] [Accepted: 11/28/2022] [Indexed: 12/04/2022] Open
Abstract
Renal osteodystrophy (ROD) is a common complication of end-stage kidney disease that often starts early with loss of kidney function, and it is considered an integral part in management of patients with chronic kidney disease (CKD). Adynamic bone (ADB) is characterized by suppressed bone formation, low cellularity, and thin osteoid seams. There is accumulating evidence supporting increasing prevalence of ADB, particularly in early CKD. Contemporarily, it is not very clear whether it represents a true disease, an adaptive mechanism to prevent bone resorption, or just a transitional stage. Several co-players are incriminated in its pathogenesis, such as age, diabetes mellitus, malnutrition, uremic milieu, and iatrogenic factors. In the present review, we will discuss the up-to-date knowledge of the ADB and focus on its impact on bone health, fracture risk, vascular calcification, and long-term survival. Moreover, we will emphasize the proper preventive and management strategies of ADB that are pivotal issues in managing patients with CKD. It is still unclear whether ADB is always a pathologic condition or whether it can represent an adaptive process to suppress bone resorption and further bone loss. In this article, we tried to discuss this hard topic based on the available limited information in patients with CKD. More studies are needed to be able to clearly address this frequent ROD finding.
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Affiliation(s)
- Eman Nagy
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt
| | - Mahmoud M. Sobh
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt
| | - Mohamed Abdalbary
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt
| | - Sherouk Elnagar
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt
| | - Rabab Elrefaey
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt
| | - Shimaa Shabaka
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt
| | - Nehal Elshabrawy
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt
| | - Rasha Shemies
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt
| | - Mona Tawfik
- Mansoura Nephrology and Dialysis Unit, Mansoura University, Mansoura 35516, Egypt
| | - Cássia Gomes S. Santos
- Department of Internal Medicine, Division of Nephrology, Federal University of Paraná, Curitiba 80060-00, PR, Brazil
| | - Fellype C. Barreto
- Department of Internal Medicine, Division of Nephrology, Federal University of Paraná, Curitiba 80060-00, PR, Brazil
| | - Amr El-Husseini
- Division of Nephrology & Bone and Mineral Metabolism, University of Kentucky, Lexington, KY 40536-0298, USA
- Correspondence: ; Tel.: +1-859-218-0934; Fax: +1-859-323-0232
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Pediatric CKD-MBD: existing and emerging treatment approaches. Pediatr Nephrol 2022; 37:2599-2614. [PMID: 35038008 DOI: 10.1007/s00467-021-05265-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 07/08/2021] [Accepted: 07/08/2021] [Indexed: 12/13/2022]
Abstract
The effects of bone and mineral metabolism on skeletal formation, as well as vascular and soft tissue calcifications, define chronic kidney disease-metabolic bone disease (CKD-MBD). Treatment recommendations center on establishing adequate vitamin D status, phosphate control through diet restriction and phosphate binders, and the use of vitamin D analogs for specific indications. Several emerging bone-promoting therapies have now been studied in adults with CKD, including bisphosphonates and denosumab. These approaches are associated with improved bone mass and, in some cases, decreased fracture rates in adults with CKD-MBD and are of potential interest for some children with CKD-MBD. In children with CKD and immobilization and/or muscle weakness, bisphosphonates appear to be an effective treatment to increase bone mass; baseline assessment and careful monitoring of bone density and/or bone biopsy findings are important in consideration of any new bone therapies for children with CKD-MBD.
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El Miedany Y, Gadallah NA, Sarhan E, Toth M, Hasab El Naby MM, Elwy M, Ganeb S, El Gaafary M, Mortada M, Nasef SI, Mohannad N, Mahran SA, Abu-Zaid MH, Eissa M, Hassan W, Medhat BM, Ghaleb R, Tabra SA, Saber HG, Ibrahim RA, Saber S, Galal S. Consensus Evidence-Based Clinical Practice Recommendations for the Diagnosis and Treat-To-Target Management of Osteoporosis in Chronic Kidney Disease Stages G4-G5D and Post-transplantation: An Initiative of Egyptian Academy of Bone Health. KIDNEY DISEASES (BASEL, SWITZERLAND) 2022; 8:392-407. [PMID: 36466074 PMCID: PMC9710482 DOI: 10.1159/000526492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 07/22/2022] [Indexed: 09/10/2024]
Abstract
Objective The aim of this study was to reach a consensus on an updated version of the recommendations for the diagnosis and Treat-to-Target management of osteoporosis that is effective and safe for individuals with chronic kidney disease (CKD) G4-G5D/kidney transplant. Methods Delphi process was implemented (3 rounds) to establish a consensus on 10 clinical domains: (1) study targets, (2) risk factors, (3) diagnosis, (4) case stratification, (5) treatment targets, (6) investigations, (7) medical management, (8) monitoring, (9) management of special groups, (10) fracture liaison service. After each round, statements were retired, modified, or added in view of the experts' suggestions, and the percent agreement was calculated. Statements receiving rates of 7-9 by more than 75% of experts' votes were considered as achieving consensus. Results The surveys were sent to an expert panel (n = 26), of whom 23 participated in the three rounds (2 were international experts and 21 were national). Most of the participants were rheumatologists (87%), followed by nephrologists (8.7%), and geriatric physicians (4.3%). Eighteen recommendations, categorized into 10 domains, were obtained. Agreement with the recommendations (rank 7-9) ranged from 80 to 100%. Consensus was reached on the wording of all 10 clinical domains identified by the scientific committee. An algorithm for the management of osteoporosis in CKD has been suggested. Conclusion A panel of international and national experts established a consensus regarding the management of osteoporosis in CKD patients. The developed recommendations provide a comprehensive approach to assessing and managing osteoporosis for all healthcare professionals involved in its management.
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Affiliation(s)
| | - Naglaa Ali Gadallah
- Rheumatology, and Rehabilitation, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Eman Sarhan
- Nephrology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Mathias Toth
- Rheumatology, Darent Vally Hospital, Dartford, UK
| | | | - Mohamed Elwy
- Rheumatology, and Rehabilitation, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sahar Ganeb
- Rheumatology, Faculty of Medicine, Benha University, Benha, Egypt
| | - Maha El Gaafary
- Community Medicine, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Mohamed Mortada
- Rheumatology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Samah Ismail Nasef
- Rheumatology, and Rehabilitation, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - Nevine Mohannad
- Internal Medicine and Rheumatology, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - Safaa Ali Mahran
- Rheumatology and Rehabilitation, Faculty of Medicine, Assiut University, Assiut, Egypt
| | | | - Mervat Eissa
- Rheumatology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Waleed Hassan
- Rheumatology, Faculty of Medicine, Benha University, Benha, Egypt
| | - Basma M Medhat
- Rheumatology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Rasha Ghaleb
- Rheumatology, and Rehabilitation, Faculty of Medicine, Minia University, Minia, Egypt
| | | | - Heba Gamal Saber
- Geriatric Medicine, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Rehab Ali Ibrahim
- Rheumatology, and Rehabilitation, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sally Saber
- Rheumatology, and Rehabilitation, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Salwa Galal
- Rheumatology, and Rehabilitation, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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Definition, Assessment, and Management of Vitamin D Inadequacy: Suggestions, Recommendations, and Warnings from the Italian Society for Osteoporosis, Mineral Metabolism and Bone Diseases (SIOMMMS). Nutrients 2022; 14:nu14194148. [PMID: 36235800 PMCID: PMC9573415 DOI: 10.3390/nu14194148] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 09/23/2022] [Accepted: 09/30/2022] [Indexed: 11/07/2022] Open
Abstract
In the recent years, both the prescriptions of serum 25(OH)D levels assay, and vitamin D supplementation are constantly increasing, as well as the costs to be incurred relating to these specific aspects. As in many other countries, the risk of vitamin D deficiency is particularly high in Italy, as recently confirmed by cohort studies in the general population as well as in patients with metabolic bone disorder. Results confirmed the North-South gradient of vitamin D levels described among European countries, despite the wide use of supplements. Although vitamin D supplementation is also recommended by the Italian Medicine Agency for patients at risk for fragility fracture or for initiating osteoporotic medication, the therapeutic gap for osteoporosis in Italy is very high. There is a consistent proportion of osteoporotic patients not receiving specific therapy for osteoporosis following a fragility fracture, with a poor adherence to the recommendations provided by national guidelines and position paper documents. The failure or inadequate supplementation with vitamin D in patients on antiresorptive or anabolic treatment for osteoporosis is thought to further amplify the problem and exposes patients to a high risk of re-fracture and mortality. Therefore, it is important that attention to its possible clinical consequences must be given. Thus, in light of new evidence from the literature, the SIOMMMS board felt the need to revise and update, by a GRADE/PICO system approach, its previous original recommendations about the definition, prevention, and treatment of vitamin D deficiency in adults, released in 2011. Several key points have been here addressed, such as the definition of the vitamin D status: normality values and optimal values; who are the subjects considered at risk of hypovitaminosis D; opportunity or not of performing the biochemical assessment of serum 25(OH)D levels in general population and in subjects at risk of hypovitaminosis D; the need or not to evaluate baseline serum 25(OH)D in candidate subjects for pharmacological treatment for osteoporosis; how and whether to supplement vitamin D subjects with hypovitaminosis D or candidates for pharmacological treatment with bone active agents, and the general population; how and whether to supplement vitamin D in chronic kidney disease and/or chronic liver diseases or under treatment with drugs interfering with hepatic metabolism; and finally, if vitamin D may have toxic effects in the subject in need of supplementation.
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Ketteler M, Bover J, Mazzaferro S. Treatment of secondary hyperparathyroidism in non-dialysis CKD: an appraisal 2022s. Nephrol Dial Transplant 2022; 38:1397-1404. [PMID: 35977397 DOI: 10.1093/ndt/gfac236] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Indexed: 11/12/2022] Open
Abstract
The situation of secondary hyperparathyroidism (sHPT) in CKD patients not on dialysis (ND-CKD) is probably best characterised by the KDIGO CKD-MBD Update 2017 guideline 4.2.1 stating that the optimal PTH levels is not known in these stages. Furthermore, new caution became recommended with regard to the routine use of active vitamin D analogues in early CKD stages and moderate sHPT phenotypes, due to their potential risks for hypercalcaemia and hyperphosphataemia aggravation. Nevertheless, there is still a substantial clinical need to prevent the development of parathyroid gland autonomy with its associated consequences of bone and vascular damage including fracture risks and cardiovascular events. Therefore, we now attempt to review the current guideline-based and clinical practice management of sHPT in ND-CKD including their strengths and weaknesses, favouring individualised approaches respecting calcium and phosphate homeostasis. We further comment on extended-release calcifediol (ERC) as a new differential therapeutic option now also available in Europe, and on a potentially novel understanding of a required vitamin D saturation in more advanced CKD stages. There is no doubt, however, that knowledge gaps will remain in this issue unless powerful RCTs with hard and meaningful endpoints are performed.
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Affiliation(s)
- Markus Ketteler
- Department of General Internal Medicine and Nephrology, Robert-Bosch-Krankenhaus, Stuttgart, Germany
| | - Jordi Bover
- Nephrology Department, University Hospital Germans Trias i Pujol (HGiTP), Badalona (Barcelona), Catalonia, Spain.,REMAR-IGTP Group, Germans Trias i Pujol Research Institute (IGTP), Can Ruti Campus, Badalona (Barcelona), Catalonia, Spain
| | - Sandro Mazzaferro
- Department of Translational and Precision Medicine, Sapienza University of Rome, Italy
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Kaka N, Sethi Y, Patel N, Kaiwan O, Al-Inaya Y, Manchanda K, Uniyal N. Endocrine manifestations of chronic kidney disease and their evolving management: A systematic review. Dis Mon 2022; 68:101466. [PMID: 35965104 DOI: 10.1016/j.disamonth.2022.101466] [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: 11/16/2022]
Abstract
BACKGROUND Chronic Kidney Disease (CKD) shows a wide range of renal abnormalities including the excretory, metabolic, endocrine, and homeostatic function of the kidney. The prognostic impact of the 'endocrine manifestations' which are often overlooked by clinicians cannot be overstated. METHODS AND OBJECTIVES A systematic review was attempted to provide a comprehensive overview of all endocrine abnormalities of CKD and their evolving principles of management, searching databases of PubMed, Embase, and Scopus and covering the literature between 2002 and 2022. RESULTS The endocrine derangements in CKD can be attributed to a myriad of pathologic processes, in particular decreased clearance, impaired endogenous hormone production, uremia-induced cellular dysfunction, and activation of systemic inflammatory pathways. The major disorders include anemia, hyperprolactinemia, insulin resistance, reproductive hormone deficiency, thyroid hormone deficiency, and serum FGF (Fibroblast Growth Factor) alteration. Long-term effects of CKD also include malnutrition and increased cardiovascular risk. The recent times have unveiled their detailed pathogenesis and have seen an evolution in the principles of management which necessitates a revision of current guidelines. CONCLUSION Increased advertence regarding the pathology, impact, and management of these endocrine derangements can help in reducing morbidity as well as mortality in the CKD patients by allowing prompt individualized treatment. Moreover, with timely and appropriate intervention, a long-term reduction in complications, as well as an enhanced quality of life, can be achieved in patients with CKD.
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Affiliation(s)
- Nirja Kaka
- GMERS Medical College, Himmatnagar, Gujarat 382007, India
| | - Yashendra Sethi
- Department of Medicine, Government Doon Medical College, Dehradun, Uttarakhand, India
| | - Neil Patel
- GMERS Medical College, Himmatnagar, Gujarat 382007, India.
| | | | | | | | - Nidhi Uniyal
- Department of Medicine, Government Doon Medical College, Dehradun, Uttarakhand, India
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Miller PD, Adachi JD, Albergaria BH, Cheung AM, Chines AA, Gielen E, Langdahl BL, Miyauchi A, Oates M, Reid IR, Santiago NR, Vanderkelen M, Wang Z, Yu Z. Efficacy and Safety of Romosozumab Among Postmenopausal Women With Osteoporosis and Mild-to-Moderate Chronic Kidney Disease. J Bone Miner Res 2022; 37:1437-1445. [PMID: 35466448 PMCID: PMC9544335 DOI: 10.1002/jbmr.4563] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 03/23/2022] [Accepted: 04/21/2022] [Indexed: 11/06/2022]
Abstract
Patients with osteoporosis and chronic kidney disease (CKD) are at increased risk of fracture and associated negative outcomes, including increased mortality. The present post hoc analysis of two randomized, multicenter, phase 3 clinical trials-Fracture Study in Postmenopausal Women with Osteoporosis (FRAME) and Active-Controlled Fracture Study in Postmenopausal Women with Osteoporosis at High Risk (ARCH)-investigated the efficacy and safety of romosozumab in postmenopausal women with osteoporosis and mild-to-moderate CKD. The analysis included data from 7147 patients from FRAME and 4077 from ARCH. Eighty-one percent of patients from FRAME and 85% from ARCH had mild or moderate reduction in estimated glomerular filtration rate (eGFR) at baseline, and part of this reduction is likely age related. During the 1-year double-blind phases of the trials, patients received romosozumab 210 mg sc or placebo monthly in FRAME and romosozumab 210 mg sc monthly or alendronate 70 mg po weekly in ARCH. Bone mineral density (BMD) at the lumbar spine, total hip, and femoral neck and vertebral and nonvertebral fractures were assessed at baseline and month 12. In both trials, the least-square mean percent change from baseline BMD was significantly greater in the romosozumab groups versus controls across all kidney function categories at month 12. Romosozumab reduced the relative risk of new vertebral fractures at month 12 among patients with eGFR of 30-59, 60-89, and ≥90 mL/min by 72% (95% confidence interval [CI] 14-91; p = 0.017), 70% (40-85; p < 0.001), and 84% (30-96; p = 0.005), respectively, in FRAME versus placebo, and by 51% (5-75; p = 0.04), 19% (-28 to 49; p = 0.39), and 57% (1-81, p = 0.04), respectively, in ARCH versus alendronate. Incidences of adverse events, asymptomatic decreases in serum calcium, and evolution of kidney function during the studies were similar across all baseline kidney function groups. Romosozumab is an effective treatment option for postmenopausal women with osteoporosis and mild-to-moderate reduction in kidney function, with a similar safety profile across different levels of kidney function. © 2022 The Authors. Journal of Bone and Mineral Research published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
| | - Jonathan D Adachi
- St. Joseph's Healthcare Hamilton, McMaster University, Hamilton, Canada
| | - Ben-Hur Albergaria
- Federal University of Espirito Santo, Espirito Santo Research and Osteoporosis Center, Vitória, Brazil
| | - Angela M Cheung
- Department of Medicine, University Health Network, University of Toronto, Toronto, Canada
| | | | - Evelien Gielen
- Gerontology and Geriatrics, Department of Public Health and Primary Care, KU Leuven & Center for Metabolic Bone Diseases, UZ Leuven, Leuven, Belgium
| | | | | | | | - Ian R Reid
- University of Auckland, Auckland, New Zealand
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Smout D, Jørgensen HS, Cavalier E, Evenepoel P. Clinical utility of bone turnover markers in patients with chronic kidney disease. Curr Opin Nephrol Hypertens 2022; 31:332-338. [PMID: 35703216 DOI: 10.1097/mnh.0000000000000798] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
PURPOSE OF REVIEW The burden of fractures is very high in patients with chronic kidney disease (CKD). It is increasingly recognized that knowledge of bone turnover is of paramount importance in guiding mineral metabolism and osteoporosis therapy in CKD. Bone histomorphometry is the gold standard to assess bone turnover, but is seldomly performed in clinical practice. Bone turnover markers (BTMs) may be the long awaited noninvasive diagnostic that may help to close the therapeutic gap in patients with advanced CKD presenting with bone fragility. RECENT FINDINGS Mounting evidence indicates that BTMs may be useful in skeletal and nonskeletal risk stratification, in guiding mineral metabolism and osteoporosis therapy, and in monitoring the therapeutic response. SUMMARY BTMs provide information that is complementary to other clinical tests. It may be envisioned that in the near future, the assessment of nonkidney cleared BTMs may become part of routine clinical evaluation and monitoring of bone health in CKD patients, integrated with clinical risk factors, imaging data and, eventually, bone histomorphometry. Panels of BTMs will likely be more informative than single markers, and the same might hold true for trends as opposed to single time point data.
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Affiliation(s)
- Dieter Smout
- Department of Microbiology, Immunology and Transplantation, Nephrology and Renal Transplantation Research Group, KU Leuven
- Department of Nephrology and Renal Transplantation, University Hospitals Leuven, Leuven, Belgium
| | - Hanne S Jørgensen
- Department of Microbiology, Immunology and Transplantation, Nephrology and Renal Transplantation Research Group, KU Leuven
- Department of Kidney Diseases, Aarhus University Hospital, Aarhus, Denmark
| | - Etienne Cavalier
- Department of Clinical Chemistry, University of Liege, CHU de Liege, Liege, Belgium
| | - Pieter Evenepoel
- Department of Microbiology, Immunology and Transplantation, Nephrology and Renal Transplantation Research Group, KU Leuven
- Department of Nephrology and Renal Transplantation, University Hospitals Leuven, Leuven, Belgium
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Mitsuboshi S, Kaseda R, Narita I. Association between Anti-Osteoporotic Drugs and Risk of Acute Kidney Injury: A Cross-Sectional Study Using Disproportional Analysis and a Pharmacovigilance Database. J Clin Pharmacol 2022; 62:1419-1425. [PMID: 35665942 DOI: 10.1002/jcph.2091] [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: 03/18/2022] [Accepted: 05/31/2022] [Indexed: 11/10/2022]
Abstract
The number of fractures related to osteoporosis is expected to increase. Therefore, clarifying the risk of acute kidney injury (AKI) associated with each type of anti-osteoporotic drug may avoid discontinuation of osteoporosis pharmacotherapy due to onset of AKI. This cross-sectional study using disproportional analysis and a pharmacovigilance database assessed the risk of AKI with various anti-osteoporotic drugs by analyzing data entered into the US Food and Drug Administration's Adverse Event Reporting System (FAERS) from April 2014 to March 2021 and the Medical Data Vision (MDV) database in Japan in November 2021. All anti-osteoporotic drugs were investigated, including bisphosphonates, selective estrogen receptor modulators, denosumab, romosozumab, abaloparatide, and teriparatide. In the analysis of FAERS data, disproportionality for decreasing AKI was observed for oral ibandronate [reporting odds ratios (ROR) 0.22, 95% confidence interval (CI) 0.09-0.45, P < 0.01], bazedoxifene (ROR 0.26, 95% CI 0.05-0.77, P = 0.01), and intravenous ibandronate (ROR 0.39, 95% CI 0.14-0.86, P = 0.01). In the analysis of the MDV data, the incidence of AKI was lower in patients taking intravenous ibandronate [odds ratio (OR) 0.22, 95% CI 0.06-0.89, P = 0.03], and the incidence of AKI was higher in patients taking oral alendronate (OR 2.40, 95% CI 2.08-2.77, P < 0.01). Risk of AKI may differ even among oral anti-osteoporotic drugs, and the evidence of this association should be assessed further in future drug safety studies. This article is protected by copyright. All rights reserved.
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Affiliation(s)
| | - Ryohei Kaseda
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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Kuppachi S, Cheungpasitporn W, Li R, Caliskan Y, Schnitzler MA, McAdams-DeMarco M, Ahn JB, Bae S, Hess GP, Segev DL, Lentine KL, Axelrod DA. Kidney Transplantation, Immunosuppression and the Risk of Fracture: Clinical and Economic Implications. Kidney Med 2022; 4:100474. [PMID: 35669410 PMCID: PMC9166366 DOI: 10.1016/j.xkme.2022.100474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Rationale & Objective Disorders of bone and mineral metabolism frequently develop with advanced kidney disease, may be exacerbated by immunosuppression after kidney transplantation, and increase the risk of fractures. Study Design Retrospective database study. Setting & Participants Kidney-only transplant recipients aged ≥18 years from 2005 to 2016 in the United States captured in US Renal Data System records, which integrate Organ Procurement and Transplantation Network/United Network for Organ Sharing records with Medicare billing claims. Exposures Various immunosuppression regimens in the first 3 months after kidney transplantation. Outcomes The development of fractures, as ascertained using diagnostic codes on Medicare billing claims. Analytical Approach We used multivariable Cox regression with inverse propensity weighting to compare the incidence of fractures >3 months-to-3 years after kidney transplantation associated with various immunosuppression regimens compared to a reference regimen of antithymocyte globulin (TMG) or alemtuzumab (ALEM) with tacrolimus + mycophenolic acid + prednisone using inverse probability treatment weighting. Results Overall, fractures were identified in 7.5% of kidney transplant recipients (women, 8.8%; men, 6.7%; age < 55 years, 5.9%; age ≥ 55 years, 9.3%). In time-varying regression, experiencing a fracture was associated with a substantially increased risk of subsequent death within 3 months (adjusted hazard ratio [aHR], 3.06; 95% confidence interval [CI], 2.45-3.81). Fractures were also associated with increased Medicare spending (first year: $5,122; second year: $10,890; third year: $11,083; [P < 0.001]). Induction with TMG or ALEM and the avoidance or early withdrawal of steroids significantly reduced the risk of fractures in younger (aHR, 0.63; 95% CI, 0.54-0.73) and older (aHR, 0.83; 95% CI, 0.74-0.94) patients. The avoidance or early withdrawal of steroids with any induction was associated with a reduced risk of fractures in women. Limitations This was a retrospective study which lacked data on immunosuppression levels. Conclusions Fractures after kidney transplantation are associated with significantly increased mortality risk and costs. The early avoidance or early withdrawal of steroids after induction with TMG or ALEM reduces the risk of fractures after kidney transplantation and should be considered for patients at high-risk of this complication, including older adults and women.
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Affiliation(s)
- Sarat Kuppachi
- Organ Transplant Center, University of Iowa, Iowa City, IA
| | | | - Ruixin Li
- Saint Louis University Transplant Center, Saint Louis University, St. Louis, MO
| | - Yasar Caliskan
- Saint Louis University Transplant Center, Saint Louis University, St. Louis, MO
| | - Mark A. Schnitzler
- Saint Louis University Transplant Center, Saint Louis University, St. Louis, MO
| | | | - JiYoon B. Ahn
- Department of Surgery, Johns Hopkins School of Medicine, Baltimore, MD
| | - Sunjae Bae
- Department of Surgery, Johns Hopkins School of Medicine, Baltimore, MD
| | - Gregory P. Hess
- Jefferson College of Population Health, Thomas Jefferson University, Philadelphia, PA
- Department of Clinical Epidemiology, Aarhus University, Aarhus, Denmark
| | - Dorry L. Segev
- Department of Surgery, Johns Hopkins School of Medicine, Baltimore, MD
| | - Krista L. Lentine
- Saint Louis University Transplant Center, Saint Louis University, St. Louis, MO
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Alkaline Phosphatase: An Old Friend as Treatment Target for Cardiovascular and Mineral Bone Disorders in Chronic Kidney Disease. Nutrients 2022; 14:nu14102124. [PMID: 35631265 PMCID: PMC9144546 DOI: 10.3390/nu14102124] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 05/12/2022] [Accepted: 05/17/2022] [Indexed: 11/17/2022] Open
Abstract
Alkaline phosphatase (ALP) is an evolutionary conserved enzyme and widely used biomarker in clinical practice. Tissue-nonspecific alkaline phosphatase (TNALP) is one of four human isozymes that are expressed as distinct TNALP isoforms after posttranslational modifications, mainly in bone, liver, and kidney tissues. Beyond the well-known effects on bone mineralization, the bone ALP (BALP) isoforms (B/I, B1, B1x, and B2) are also involved in the pathogenesis of ectopic calcification. This narrative review summarizes the recent clinical investigations and mechanisms that link ALP and BALP to inflammation, metabolic syndrome, vascular calcification, endothelial dysfunction, fibrosis, cardiovascular disease, and mortality. The association between ALP, vitamin K, bone metabolism, and fracture risk in patients with chronic kidney disease (CKD) is also discussed. Recent advances in different pharmacological strategies are highlighted, with the potential to modulate the expression of ALP directly and indirectly in CKD–mineral and bone disorder (CKD-MBD), e.g., epigenetic modulation, phosphate binders, calcimimetics, vitamin D, and other anti-fracture treatments. We conclude that the significant evidence for ALP as a pathogenic factor and risk marker in CKD-MBD supports the inclusion of concrete treatment targets for ALP in clinical guidelines. While a target value below 120 U/L is associated with improved survival, further experimental and clinical research should explore interventional strategies with optimal risk–benefit profiles. The future holds great promise for novel drug therapies modulating ALP.
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Documento de información y consenso para la detección y manejo de la enfermedad renal crónica. Nefrologia 2022. [DOI: 10.1016/j.nefro.2021.07.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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García-Maset R, Bover J, Segura de la Morena J, Goicoechea Diezhandino M, Cebollada Del Hoyo J, Escalada San Martin J, Fácila Rubio L, Gamarra Ortiz J, García-Donaire JA, García-Matarín L, Gràcia Garcia S, Isabel Gutiérrez Pérez M, Hernández Moreno J, Mazón Ramos P, Montañés Bermudez R, Muñoz Torres M, de Pablos-Velasco P, Pérez-Maraver M, Suárez Fernández C, Tranche Iparraguirre S, Luis Górriz J. Information and consensus document for the detection and management of chronic kidney disease. Nefrologia 2022; 42:233-264. [PMID: 36210616 DOI: 10.1016/j.nefroe.2022.07.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 07/20/2021] [Indexed: 06/16/2023] Open
Abstract
Chronic kidney disease (CKD) is a major public health problem worldwide that affects more than 10% of the Spanish population. CKD is associated with high comorbidity rates, poor prognosis and major consumption of health system resources. Since the publication of the last consensus document on CKD seven years ago, little evidence has emerged and few clinical trials on new diagnostic and treatment strategies in CKD have been conducted, apart from new trials in diabetic kidney disease. Therefore, CKD international guidelines have not been recently updated. The rigidity and conservative attitude of the guidelines should not prevent the publication of updates in knowledge about certain matters that may be key in detecting CKD and managing patients with this disease. This document, also prepared by 10 scientific associations, provides an update on concepts, clarifications, diagnostic criteria, remission strategies and new treatment options. The evidence and the main studies published on these aspects of CKD have been reviewed. This should be considered more as an information document on CKD. It includes an update on CKD detection, risk factors and screening; a definition of renal progression; an update of remission criteria with new suggestions in the older population; CKD monitoring and prevention strategies; management of associated comorbidities, particularly in diabetes mellitus; roles of the Primary Care physician in CKD management; and what not to do in Nephrology. The aim of the document is to serve as an aid in the multidisciplinary management of the patient with CKD based on current recommendations and knowledge.
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Affiliation(s)
| | | | - Julián Segura de la Morena
- Sociedad Española de Hipertensión-Liga Española para la Lucha contra la Hipertensión Arterial (SEH-LELHA)
| | | | | | | | | | | | - Jose A García-Donaire
- Sociedad Española de Hipertensión-Liga Española para la Lucha contra la Hipertensión Arterial (SEH-LELHA)
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Yu H, Zhou W, Zhong Z, Qiu R, Chen G, Zhang P. High-mobility group box chromosomal protein-1 deletion alleviates osteoporosis in OVX rat model via suppressing the osteoclastogenesis and inflammation. J Orthop Surg Res 2022; 17:232. [PMID: 35414033 PMCID: PMC9004163 DOI: 10.1186/s13018-022-03110-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 03/30/2022] [Indexed: 11/23/2022] Open
Abstract
Background Osteoporosis is a skeletal metabolic disease that constitutes a great threaten to human health. However, there is currently no gold standard for its treatment. High-mobility group box chromosomal protein-1 (HMGB-1) has been reported to play an important role in various orthopedic diseases. Till now, its role in osteoporosis remains elusive. Methods Rats underwent ovariectomy (OVX) were used to construct a postmenopausal model of osteoporosis. Then, rats were divided into sham groups without OVX surgery, OVX model group, HMGB-1 knockdown (HMGB-1 KD) OVX model groups. The expression of HMGB1 was evaluated by qRT-PCR and western blotting. Subsequently, the changes of trabeculae were evaluated by micro-computed tomography (CT) assay. Skeletal necrosis and metabolism were further analyzed by hematoxylin–eosin (HE) staining, Alcian blue staining and Masson’s trichrome staining. The contents of serum alkaline phosphatase (ALP) and osteocalcin were detected by ELISA assay. Expression of osteoclast-associated receptor (OSCAR) and tartrate-resistant acid phosphatase (TRAP) were determined to investigate the effects of HMGB-1 loss on osteoclastogenesis. Results Single HMGB-1 deletion exerted no significant effect on rat trabeculae, serum ALP and osteocalcin. Noticeably, HMGB1 knockdown dramatically ameliorated OVX-induced changes in above indexes. Trabeculae structures of OVX rats were sparse with disorder arrangement, which were greatly recovered after HMGB-1 deletion. Enhanced osteoclastogenesis was observed in OVX rats by increasing number of TRAP + cells and expression of TRAP and OSCAR, and loss of HMGB1 ameliorated osteoclastogenesis in OVA rats. Moreover, HMGB-1 deletion antagonized OVX-evoked downregulation of osteoblast activity markers osterix (OSX), collagen type I alpha 1(COL1A1) and distal-less homeobox 2 (DLX2) protein. Furthermore, loss of HMGB-1 attenuated fluctuation of inflammatory factors in OVX rats. Additionally, HMGB-1 deficiency inhibited OVX-evoked activation of the Toll-like receptor (TLR) 4/NF-κB signaling pathway. Moreover, reactivating the TLR4 signaling further aggravated OVX-induced osteoporosis, which was reversed by HMGB1 knockdown. Conclusion HMGB-1 deletion alleviated OVX-triggered osteoporosis by suppressing osteoclastogenesis and inflammatory disorder via the inhibition of the TLR4 signaling. Therefore, HMGB-1 may be a promising therapeutic target for osteoporosis.
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Affiliation(s)
- Haotao Yu
- Department of Orthopedics, The Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Liwan District, Guangzhou, 510000, Guangdong, China
| | - Wei Zhou
- Department of Orthopedics, The Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Liwan District, Guangzhou, 510000, Guangdong, China
| | - Zhihong Zhong
- Department of Orthopedics, The Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Liwan District, Guangzhou, 510000, Guangdong, China
| | - Ruixin Qiu
- Department of Orthopedics, The Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Liwan District, Guangzhou, 510000, Guangdong, China
| | - Guoquan Chen
- Department of Orthopedics, The Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Liwan District, Guangzhou, 510000, Guangdong, China
| | - Ping Zhang
- Department of Orthopedics, The Third Affiliated Hospital of Guangzhou Medical University, 63 Duobao Road, Liwan District, Guangzhou, 510000, Guangdong, China.
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Jeon Y, Kim IJ. Pharmacological treatment of osteoporosis: 2022 update. JOURNAL OF THE KOREAN MEDICAL ASSOCIATION 2022. [DOI: 10.5124/jkma.2022.65.4.241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Background: Osteoporosis is a skeletal disorder characterized by compromised bone strength resulting in a predisposition to fracture. Osteoporosis-related fractures can lead to pain, disability, and increased healthcare costs. We aimed to explore the guidelines and criteria for selecting medications for osteoporosis.Current Concepts: Osteoporosis medications can be classified mainly as antiresorptive drugs and osteogenesis promoters. The former includes selective estrogen receptor modulators, bisphosphonates, and receptor activators of nuclear factor kappa-B ligand inhibitors, e.g., denosumab. The latter includes human parathyroid hormone, e.g., teriparatide, and the dual-action agent, romosozumab. Selective estrogen receptor modulators (raloxifene or bazedoxifene) can be considered suitable for younger postmenopausal women with low spine bone mineral density. It also can be used for patients with low glomerular filtration rates due to low excretion in urine and patients who need dental care. Bisphosphonate has a residual effect on bone; therefore, osteonecrosis of the jaw and atypical fractures should be considered as side effects for its long-term use. Presently, denosumab is the most potent antiresorptive agent, but its favorable skeletal effects can be reversed quickly after its cessation. Therefore, subsequent antiresorptive treatment is mandatory. Romosozumab is a dual-action agent that simultaneously stimulates bone formation and inhibits bone resorption. It also needs a subsequent antiresorptive treatment.Discussion and Conclusion: Tailored treatment is needed in a patient with osteoporosis. Even in the case of the same bone density, the risk of fracture and the fracture sites differ depending on age. After setting an achievable goal of bone density within a suitable period, the appropriate medication should be selected.
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Chen CH, Lo WC, Hu P, Chan HC, Shen WC, Wu MS, Wu MY. Efficacy of Osteoporosis Medications for Patients With Chronic Kidney Disease: An Updated Systematic Review and Network Meta-Analysis. Front Pharmacol 2022; 13:822178. [PMID: 35222037 PMCID: PMC8873386 DOI: 10.3389/fphar.2022.822178] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 01/13/2022] [Indexed: 11/13/2022] Open
Abstract
Background: Chronic kidney disease (CKD) is associated with bone and mineral metabolism. In this study we evaluated the comparative efficacies and safety of osteoporosis medications in patients with CKD or a history of kidney transplantation, and make recommendations for the best choice of osteoporosis treatment among patients with CKD or a history of kidney transplantation. Methods: We systemically searched for randomized controlled trials published in PubMed, Embase, and Cochrane databases up to June 2020. Network-meta analysis was used to compare the relative effectiveness of different treatments. A random-effects model was used when heterogeneity was expected. The safety of different treatments was also evaluated in terms of reported major adverse events. Results: A total of 17 studies with data from 10,214 patients who had stage 2-5 CKD, were receiving dialysis, or had a history of kidney transplantation were included in the network meta-analysis. Treatment with teriparatide, denosumab, alendronate, and raloxifene were all associated with a significantly reduced risk of fractures compared to treatment with placebos [teriparatide: odds ratio (OR) = 0.19, 95% confidence interval (CI): 0.10-0.35; denosumab: OR = 0.40, 95% CI: 0.27-0.58; alendronate: OR = 0.61, 95% CI: 0.40-0.92; raloxifene: OR = 0.52, 95% CI: 0.41-0.67]. The rank probability and the surface under the cumulative ranking (SUCRA) values suggested that teriparatide ranked the highest for improvement in vertebral bone mineral density (BMD) (SUCRA = 97.8%), whereas denosumab ranked the highest for improvement in femoral neck BMD (SUCRA = 88.3%). Conclusion: Teriparatide and denosumab seem to be the most effective treatments for preventing bone loss and reducing the risk of fracture in our network comparison. However, because of the limitations and potential biases in the reviewed studies, there is still some uncertainty about the best treatment options for osteoporosis in patients with CKD or a history of kidney transplantation. Systematic Review Registration: [PROSPERO], identifier [CRD42020209830].
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Affiliation(s)
- Chia-Hsien Chen
- Department of Orthopedics, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
- Department of Orthopedic Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Wei-Cheng Lo
- Master Program in Applied Epidemiology, College of Public Health, Taipei Medical University, Taipei, Taiwan
| | - Ping‐Jen Hu
- Division of Gastroenterology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
- Master’s Program in Biomedicine, College of Science and Engineering, National Taitung University, Taitung, Taiwan
| | - Hsiu-Chen Chan
- Department of Pharmacy, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Wan-Chen Shen
- Department of Pharmacy, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Mai-Szu Wu
- Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
- Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Taipei Medical University Research Center of Urology and Kidney, Taipei Medical University, Taipei, Taiwan
| | - Mei-Yi Wu
- Division of Nephrology, Department of Internal Medicine, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
- Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Taipei Medical University Research Center of Urology and Kidney, Taipei Medical University, Taipei, Taiwan
- College of Public Health, Institute of Epidemiology and Preventive Medicine, National Taiwan University, Taipei, Taiwan
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Kao CC, Wu PC, Chuang MT, Yeh SC, Lin YC, Chen HH, Fang TC, Chang WC, Wu MS, Chang TH. Effects of osteoporosis medications on bone fracture in patients with chronic kidney disease. Postgrad Med J 2022; 99:postgradmedj-2021-140341. [PMID: 35046111 DOI: 10.1136/postgradmedj-2021-140341] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 12/01/2021] [Indexed: 11/03/2022]
Abstract
PURPOSE OF THE STUDY The risk of bone fracture is high in patients with chronic kidney disease (CKD), and aggressive treatment to reduce fragility fracture risk is the major strategy. However, the outcomes of osteoporosis medications in patients with CKD remain unclear. STUDY DESIGN Patients with stage 3-5 CKD during 2011-2019 were enrolled. Patients were divided into two groups based on receiving osteoporosis medications (bisphosphonates, raloxifene, teriparatide or denosumab) or not. Two groups were matched at a 1:1 ratio by using propensity scores. The outcomes of interest were bone fractures, cardiovascular (CV) events and all-cause mortality. Cox proportional hazard regression models were applied to identify the risk factors. Additional stratified analyses by cumulative dose, treatment length and menopause condition were performed. RESULTS AND CONCLUSIONS 67 650 patients were included. After propensity score matching, 1654 patients were included in the study and control group, respectively. The mean age was 70.2±12.4 years, and 32.0% of patients were men. After a mean follow-up of 3.9 years, the incidence rates of bone fracture, CV events and all-cause mortality were 2.0, 1.7 and 6.5 per 1000 person-months, respectively. Multivariate analysis results showed that osteoporosis medications reduced the risk of CV events (HR, 0.35; 95% CI, 0.18 to 0.71; p=0.004), but did not alleviate the risks of bone fracture (HR, 1.48; 95% CI, 0.73 to 2.98; p=0.28) and all-cause mortality (HR, 0.93; 95% CI, 0.67 to 1.28; p=0.65). Stratified analysis showed that bisphosphonates users have most benefits in the reduction of CV events (HR, 0.26; 95% CI, 0.11 to 0.64; p=0.003). In conclusion, osteoporosis medications did not reduce the risk of bone fractures, or mortality, but improved CV outcomes in patients with CKD.
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Affiliation(s)
- Chih-Chin Kao
- Division of Nephrology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan.,Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Taipei Medical University-Research Center of Urology and Kidney (TMU-RCUK), Taipei Medical University, Taipei, Taiwan
| | - Pei-Chen Wu
- Division of Nephrology, Department of Internal Medicine, MacKay Memorial Hospital, Taipei, Taiwan
| | - Ming-Tsang Chuang
- Clinical Data Center, Office of Data Science, Taipei Medical University, Taipei, Taiwan
| | - Shu-Ching Yeh
- Division of Nephrology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan.,Taipei Medical University-Research Center of Urology and Kidney (TMU-RCUK), Taipei Medical University, Taipei, Taiwan
| | - Yen-Chung Lin
- Division of Nephrology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan.,Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Taipei Medical University-Research Center of Urology and Kidney (TMU-RCUK), Taipei Medical University, Taipei, Taiwan
| | - Hsi-Hsien Chen
- Division of Nephrology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan.,Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Taipei Medical University-Research Center of Urology and Kidney (TMU-RCUK), Taipei Medical University, Taipei, Taiwan
| | - Te-Chao Fang
- Division of Nephrology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan.,Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Taipei Medical University-Research Center of Urology and Kidney (TMU-RCUK), 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
| | - Mai-Szu Wu
- Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan .,Taipei Medical University-Research Center of Urology and Kidney (TMU-RCUK), Taipei Medical University, Taipei, Taiwan.,Division of Nephrology, Department of Internal Medicine, Shuang-Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
| | - Tzu-Hao Chang
- Graduate Institute of Biomedical Informatics, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan .,Clinical Big Data Research Center, Taipei Medical University Hospital, Taipei, Taiwan
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Chen YC, Hsu BG, Lin WC, Lee MC. Inverse association of serum osteocalcin and bone mineral density in renal transplant recipients. Tzu Chi Med J 2022. [DOI: 10.4103/tcmj.tcmj_55_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Mahzari M, Alibrahim A, Alghamdi N, Alsadhan M, Almoamary S, Masuadi E, Al Shahrani A. Prevalence and risk factors of osteoporosis in saudi end-stage renal disease patients on hemodialysis. SAUDI JOURNAL OF MEDICINE AND MEDICAL SCIENCES 2022; 10:259-265. [PMID: 36247063 PMCID: PMC9555032 DOI: 10.4103/sjmms.sjmms_639_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 04/01/2022] [Accepted: 06/30/2022] [Indexed: 11/04/2022] Open
Abstract
Background: Objective: Methods: Results: Conclusion:
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Sharma S, Porwal K, Kulkarni C, Pal S, Kumar S, Sihota P, Tiwari MC, Katekar R, Kumar A, Rajput S, Singh P, Guha R, Kumar N, Gayen JR, Chattopadhyay N. Diosmin, a citrus fruit-derived phlebotonic bioflavonoid protects rats from chronic kidney disease-induced loss of bone mass and strength without deteriorating renal function. Food Funct 2022; 13:2184-2199. [DOI: 10.1039/d1fo03867b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Kidney Disease: Improving Global Outcomes (KDIGO) 2017 Clinical Practice Guideline recommended treatment decisions for patients with chronic kidney disease (CKD) with osteoporosis and/or high risk of fracture. Bisphosphonates, the first-line...
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Abstract
After kidney transplantation, mineral and bone disorders are associated with higher risk of fractures and consequent morbidity and mortality. Disorders of calcium and phosphorus, vitamin D deficiency, and hyperparathyroidism are also common. The epidemiology of bone disease has evolved over the past several decades due to changes in immunosuppressive regimens, mainly glucocorticoid minimization or avoidance. The assessment of bone disease in kidney transplant recipients relies on risk factor recognition and bone mineral density assessment. Several drugs have been trialed for the treatment of post-transplant mineral and bone disorders. This review will focus on the epidemiology, effect, and treatment of metabolic and skeletal derangements in the transplant recipient.
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Affiliation(s)
- Pascale Khairallah
- Section of Nephrology and Selzman Institute for Kidney Health, Baylor College of Medicine, Houston, Texas
| | - Thomas L. Nickolas
- Division of Nephrology, Columbia University Irving Medical Center, New York, New York
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Portales-Castillo IA, Aksu C, Zhao S, Strohbehn I, Sise M, Yu EW, Nigwekar SU. Prescription Patterns of Osteoporosis Medications in Patients With Advanced CKD: A Retrospective Cohort Study. Kidney Med 2021; 3:1112-1115. [PMID: 34939026 PMCID: PMC8664743 DOI: 10.1016/j.xkme.2021.07.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Ignacio A. Portales-Castillo
- Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
- Address for Correspondence: Ignacio A. Portales-Castillo, MD, 165 Cambridge St, Ste 302, Boston, MA 02114.
| | - Cagri Aksu
- Endocrine Unit, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Sophia Zhao
- Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Ian Strohbehn
- Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Meghan Sise
- Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Elaine W. Yu
- Endocrine Unit, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Sagar U. Nigwekar
- Division of Nephrology, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA
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Bucharles SGE, Carmo LPDFD, Carvalho AB, Jorgetti V. Diagnosis of bone abnormalities in CKD-MBD (Imaging and bone biopsy). J Bras Nefrol 2021; 43:621-627. [PMID: 34910795 PMCID: PMC8823924 DOI: 10.1590/2175-8239-jbn-2021-s103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 06/11/2021] [Indexed: 12/03/2022] Open
Affiliation(s)
| | | | | | - Vanda Jorgetti
- Universidade de São Paulo, Pathophysiology Laboratory (LIM-16), Hospital das Clínicas da Faculdade de Medicina da USP, São Paulo, SP, Brazil
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Barreto FC, Bucharles SGE, Jorgetti V. Treatment of Osteoporosis in Chronic Kidney Disease. J Bras Nefrol 2021; 43:654-659. [PMID: 34910801 PMCID: PMC8823917 DOI: 10.1590/2175-8239-jbn-2021-s109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 06/18/2021] [Indexed: 11/29/2022] Open
Affiliation(s)
- Fellype Carvalho Barreto
- Universidade Federal do Paraná, Internal Medicine Department, Service of Nephrology, Curitiba, PR, Brazil.,Universidade Federal do Paraná, Hospital de Clínicas, Service of Nephrology, Curitiba, PR, Brazil
| | | | - Vanda Jorgetti
- Universidade de São Paulo, Faculdade de Medicina, Hospital das Clínicas, Pathophysiology Laboratory (LIM-16), São Paulo, SP, Brazil
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Gutiérrez OM. Recent Advances in the Role of Diet in Bone and Mineral Disorders in Chronic Kidney Disease. Curr Osteoporos Rep 2021; 19:574-579. [PMID: 34729692 PMCID: PMC8720074 DOI: 10.1007/s11914-021-00710-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: 09/07/2021] [Indexed: 10/19/2022]
Abstract
PURPOSE OF REVIEW Chronic kidney disease mineral and bone disease (CKD-MBD) is a common complication of kidney disease and is strongly influenced by diet. The purpose of this manuscript is to review recent advances in the role of diet in CKD-MBD over the last 5 years. RECENT FINDINGS Many of the recent studies examining the role of diet in CKD-MBD have focused on the adverse effects of high phosphorus consumption on bone health and metabolism. In general, the studies have shown that high phosphorus consumption worsens markers of bone and mineral metabolism but that eating a diet with a calcium to phosphorus ratio closer to 1:1 can attenuate some of these effects. Recent studies also showed that dietary counseling is efficacious for improving markers of CKD-MBD. High consumption of phosphorus aggravates CKD-MBD. Dietary counseling may ameliorate these effects, for example, by consuming diets with higher calcium to phosphorus ratios.
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Affiliation(s)
- Orlando M Gutiérrez
- Division of Nephrology, Department of Medicine, School of Medicine, University of Alabama at Birmingham, THT 647, 1720 2nd AVE S, Birmingham, AL, 35294-0006, USA.
- Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, THT 647, 1720 2nd AVE S, Birmingham, AL, 35294-0006, USA.
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Karava V, Dotis J, Christoforidis A, Kondou A, Printza N. Muscle-bone axis in children with chronic kidney disease: current knowledge and future perspectives. Pediatr Nephrol 2021; 36:3813-3827. [PMID: 33534001 DOI: 10.1007/s00467-021-04936-w] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 12/06/2020] [Accepted: 01/07/2021] [Indexed: 12/11/2022]
Abstract
Bone and muscle tissue are developed hand-in-hand during childhood and adolescence and interact through mechanical loads and biochemical pathways forming the musculoskeletal system. Chronic kidney disease (CKD) is widely considered as both a bone and muscle-weakening disease, eventually leading to frailty phenotype, with detrimental effects on overall morbidity. CKD also interferes in the biomechanical communication between two tissues. Pathogenetic mechanisms including systemic inflammation, anorexia, physical inactivity, vitamin D deficiency and secondary hyperparathyroidism, metabolic acidosis, impaired growth hormone/insulin growth factor 1 axis, insulin resistance, and activation of renin-angiotensin system are incriminated for longitudinal uncoordinated loss of bone mineral content, bone strength, muscle mass, and muscle strength, leading to mechanical impairment of the functional muscle-bone unit. At the same time, CKD may also interfere in the biochemical crosstalk between the two organs, through inhibiting or stimulating the expression of certain osteokines and myokines. This review focuses on presenting current knowledge, according to in vitro, in vivo, and clinical studies, concerning the pathogenetic pathways involved in the muscle-bone axis, and suggests approaches aimed at preventing bone loss and muscle wasting in the pediatric population. Novel therapeutic targets for preserving musculoskeletal health in the context of CKD are also discussed.
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Affiliation(s)
- Vasiliki Karava
- Pediatric Nephrology Unit, 1st Department of Pediatrics, Hippokratio General Hospital, Aristotle University of Thessaloniki, 49 Konstantinoupoleos Street, 54642, Thessaloniki, Greece.
| | - John Dotis
- Pediatric Nephrology Unit, 1st Department of Pediatrics, Hippokratio General Hospital, Aristotle University of Thessaloniki, 49 Konstantinoupoleos Street, 54642, Thessaloniki, Greece
| | - Athanasios Christoforidis
- Pediatric Endocrinology Unit, 1st Department of Pediatrics, Hippokratio General Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Antonia Kondou
- Pediatric Nephrology Unit, 1st Department of Pediatrics, Hippokratio General Hospital, Aristotle University of Thessaloniki, 49 Konstantinoupoleos Street, 54642, Thessaloniki, Greece
| | - Nikoleta Printza
- Pediatric Nephrology Unit, 1st Department of Pediatrics, Hippokratio General Hospital, Aristotle University of Thessaloniki, 49 Konstantinoupoleos Street, 54642, Thessaloniki, Greece
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Ma HY, Chen S, Lu LL, Gong W, Zhang AH. Raloxifene in the Treatment of Osteoporosis in Postmenopausal Women with End-Stage Renal Disease: A Systematic Review and Meta-Analysis. Horm Metab Res 2021; 53:730-737. [PMID: 34740274 DOI: 10.1055/a-1655-4362] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
As a selective estrogen receptor modulator (SERM), raloxifene is used in healthy postmenopausal women to prevent bone loss and reduce fractures. However, the benefit of raloxifene is uncertain in the treatment of osteoporosis among patients with end-stage renal disease (ESRD) or those who require maintenance dialysis. We assessed the safety and efficacy of raloxifene in this particular population. Studies were selected from PubMed, Springer, CNKI (Chinese National Knowledge Infrastructure) and Wanfang Database. Randomized controlled trials (RCTs) and prospective studies with control/placebo groups were included. Five studies were included with a total of 244 participants (121 patients in the raloxifene group and 123 patients in the placebo/control group). The median duration of treatment was 12 months. The incidence rate of side effects of raloxifene was 0/121 (0%). There was a significant improvement of lumbar spine bone mineral density (BMD) levels in the raloxifene group compared with the placebo group (MD: 33.88, 95% CI: 10.93, 56.84, p=0.004). There was no significant difference concerning the improvement of femoral neck BMD (MD: 8.42, 95% CI: -10.21, 27.04, p=0.38), intact parathyroid hormone (iPTH) (MD: -12.62, 95% CI: -35.36, 10.13, p=0.28), calcium (MD: -0.08, 95% CI: -0.61, 0.44, p=0.76), phosphorus (MD: 0.18, 95% CI: -0.12, 0.48, p=0.23) or bone alkaline phosphatase (BAP) (MD: -4.33, 95% CI: -14.44, 5.79, p=0.40). Raloxifene seems to be effective in improving the lumbar spine BMD in postmenopausal women with ESRD. More large RCTs are necessary to evaluate the long-term safety of raloxifene in uremic patients.
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Affiliation(s)
- Hao-Yang Ma
- Department of Geriatrics, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Shuang Chen
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Ling-Ling Lu
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Wei Gong
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, China
| | - Ai-Hua Zhang
- Jiangsu Key Laboratory of Pediatrics, Nanjing Medical University, Nanjing, China
- Nanjing Key Laboratory of Pediatrics, Children's Hospital of Nanjing Medical University, Nanjing, China
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Wakasugi M, Kazama JJ, Nitta K, Narita I. Smoking and risk of fractures requiring hospitalization in hemodialysis patients: a nationwide cohort study in Japan. Nephrol Dial Transplant 2021; 37:950-959. [PMID: 34718771 DOI: 10.1093/ndt/gfab307] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Smoking is a well-established lifestyle risk factor for fractures in the general population, but evidence specific to hemodialysis populations is lacking. This nationwide cohort study used data from the Japanese Society for Dialysis Therapy Renal Data Registry to examine the association between smoking status and fractures. METHODS A total of 154,077 patients (64.2% men; mean age, 68 years) aged ≥20 years undergoing maintenance hemodialysis thrice a week at the end of 2016 were followed for 1 year. Among these, 19,004 (12.3%) patients were current smokers. Standardized incidence rate ratios of hospitalization due to any fracture were calculated and analyzed by multivariable logistic regression analysis, controlling for potential confounders. Propensity score matching and subgroup analyses were also performed as sensitivity analyses. RESULTS During the 1-year follow-up period, 3,337 fractures requiring hospitalization (1,201 hip, 479 vertebral, and 1,657 other fractures) occurred in 3,291 patients. The age- and sex-standardized incidence ratio for current smokers was 1.24 (95% confidence interval, 1.12-1.39) relative to non-smokers. Standardized incidence ratios were similar after stratification by age group and sex. Multivariable logistic regression analysis revealed a 1.25-fold higher risk of any fracture requiring hospitalization (95% confidence interval, 1.10-1.42) in current smokers relative to non-smokers in a fully adjusted model. Propensity score matching showed similar results (odds ratio, 1.25; 95% confidence interval, 1.05-1.48). Subgroup analyses for baseline covariates revealed no significant interactions. CONCLUSIONS Smoking is a significant risk factor for any fracture requiring hospitalization in hemodialysis patients.
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Affiliation(s)
- Minako Wakasugi
- Department of Inter-Organ Communication Research, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Junichiro James Kazama
- Departments of Nephrology and Hypertension, Fukushima Medical University, Fukushima, Japan
| | - Kosaku Nitta
- Committee of Renal Data Registry, Japanese Society for Dialysis Therapy, Tokyo, Japan
| | - Ichiei Narita
- Division of Clinical Nephrology and Rheumatology, Niigata University Graduate School of Medical and Dental Science, Niigata, Japan
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Bone Biopsy for Histomorphometry in Chronic Kidney Disease (CKD): State-of-the-Art and New Perspectives. J Clin Med 2021; 10:jcm10194617. [PMID: 34640633 PMCID: PMC8509646 DOI: 10.3390/jcm10194617] [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: 09/07/2021] [Revised: 10/03/2021] [Accepted: 10/04/2021] [Indexed: 01/31/2023] Open
Abstract
The use of bone biopsy for histomorphometric analysis is a quantitative histological examination aimed at obtaining quantitative information on bone remodeling, structure and microarchitecture. The labeling with tetracycline before the procedure also allows for a dynamic analysis of the osteoblastic activity and mineralization process. In the nephrological setting, bone biopsy is indicated to confirm the diagnosis of subclinical or focal osteomalacia and to characterize the different forms of renal osteodystrophy (ROD). Even if bone biopsy is the gold standard for the diagnosis and specific classification of ROD, the use of this approach is very limited. The main reasons for this are the lack of widespread expertise in performing or interpreting bone biopsy results and the cost, invasiveness and potential pain associated with the procedure. In this regard, the sedation, in addition to local anesthesia routinely applied in Italian protocol, significantly reduces pain and ameliorates the pain perception of patients. Concerning the lack of widespread expertise, in Italy a Hub/Spokes model is proposed to standardize the analyses, optimizing the approach to CKD patients and reducing the costs of the procedure. In addition, new tools offer the possibility to evaluate the osteogenic potential or the ability to form bone under normal and pathological conditions, analyzing mesenchymal stem cells and their ability to differentiate in the osteogenic lineage. In the same way, circulating microRNAs are suggested as a tool for exploring osteogenic potential. The combination of different diagnostic approaches and the optimization of the bioptic procedure represent a concrete solution to spread the use of bone biopsy and optimize CKD patient management.
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Kim K, Song SH, Kim IJ, Jeon YK. Is dual-energy absorptiometry accurate in the assessment of bone status of patients with chronic kidney disease? Osteoporos Int 2021; 32:1859-1868. [PMID: 33598794 DOI: 10.1007/s00198-020-05670-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 10/05/2020] [Indexed: 02/06/2023]
Abstract
UNLABELLED Several patients with chronic kidney disease (CKD) have deteriorated bone status. Estimation of bone status using DXA has limitations especially in patients with CKD accompanying aortic calcifications. Quantitative CT and the trabecular bone score could be more accurate methods to estimate bone status for patients with CKD and vascular calcifications. INTRODUCTION It remains unclear whether dual-energy absorptiometry (DXA) is appropriate for the assessment of bone status in patients with chronic kidney disease (CKD), a disease that impacts bone health. The aims of this study were to compare DXA and central quantitative computed tomography (cQCT) and to evaluate bone status in patients with pre-dialysis CKD. METHODS This retrospective study included 363 healthy control subjects whose bone mineral density (BMD) was evaluated with DXA and 117 CKD patients whose BMD was evaluated using both cQCT and DXA. Diagnostic discordance was assessed between the lumbar spine (LS) and femur neck (FN) from DXA or between two modalities. The trabecular bone score (TBS) was extracted from DXA images. The volume of abdominal aortic calcification (AAC) was calculated using CT images from cQCT. RESULTS Using LS DXA T-score, osteoporosis was less common in the CKD group than in controls. Patients with normal LS BMD using DXA were reclassified into osteopenia or osteoporosis using cQCT in CKD patients. Among discordant subjects between FN and LS in DXA, a higher BMD of LS was more common in CKD patients than in controls. CKD patients had lower TBS than controls despite having the same diagnosis using DXA. AAC volume negatively correlated with BMD from cQCT and with TBS but not with BMD from DXA. CONCLUSIONS TBS and cQCT could accurately assess bone status in CKD patients since DXA may overestimate LS BMD, likely due to an increased AAC volume.
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Affiliation(s)
- K Kim
- Department of Nuclear Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
| | - S H Song
- Division of Nephrology, Department of Internal Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
| | - I-J Kim
- Department of Nuclear Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
- Division of Endocrinology and Metabolism, Department of Internal Medicine and Biomedical Research Institute, Pusan National University School of Medicine, Pusan National University Hospital, Gudeok-ro 179, Seo-gu, Busan, 602-739, South Korea
| | - Y K Jeon
- Division of Endocrinology and Metabolism, Department of Internal Medicine and Biomedical Research Institute, Pusan National University School of Medicine, Pusan National University Hospital, Gudeok-ro 179, Seo-gu, Busan, 602-739, South Korea.
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48
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Hara T, Hijikata Y, Matsubara Y, Watanabe N. Pharmacological interventions versus placebo, no treatment or usual care for osteoporosis in people with chronic kidney disease stages 3-5D. Cochrane Database Syst Rev 2021; 7:CD013424. [PMID: 34231877 PMCID: PMC8262129 DOI: 10.1002/14651858.cd013424.pub2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
BACKGROUND Chronic kidney disease (CKD) is an independent risk factor for osteoporosis and is more prevalent among people with CKD than among people who do not have CKD. Although several drugs have been used to effectively treat osteoporosis in the general population, it is unclear whether they are also effective and safe for people with CKD, who have altered systemic mineral and bone metabolism. OBJECTIVES To assess the efficacy and safety of pharmacological interventions for osteoporosis in patients with CKD stages 3-5, and those undergoing dialysis (5D). SEARCH METHODS We searched the Cochrane Kidney and Transplant Register of Studies up to 25 January 2021 through contact with the Information Specialist using search terms relevant to this review. Studies in the Register are identified through searches of CENTRAL, MEDLINE, and EMBASE, conference proceedings, the International Clinical Trials Register (ICTRP) Search Portal and ClinicalTrials.gov. SELECTION CRITERIA Randomised controlled trials comparing any anti-osteoporotic drugs with a placebo, no treatment or usual care in patients with osteoporosis and CKD stages 3 to 5D were included. DATA COLLECTION AND ANALYSIS Two review authors independently selected studies, assessed their quality using the risk of bias tool, and extracted data. The main outcomes were the incidence of fracture at any sites; mean change in the bone mineral density (BMD; measured using dual-energy radiographic absorptiometry (DXA)) of the femoral neck, total hip, lumbar spine, and distal radius; death from all causes; incidence of adverse events; and quality of life (QoL). Summary estimates of effect were obtained using a random-effects model, and results were expressed as risk ratios (RR) and their 95% confidence intervals (CI) for dichotomous outcomes, and mean difference (MD) for continuous outcomes. Confidence in the evidence was assessed using the Grading of Recommendations Assessment, Development and Evaluation (GRADE) approach. MAIN RESULTS Seven studies involving 9164 randomised participants with osteoporosis and CKD stages 3 to 5D met the inclusion criteria; all participants were postmenopausal women. Five studies included patients with CKD stages 3-4, and two studies included patients with CKD stages 5 or 5D. Five pharmacological interventions were identified (abaloparatide, alendronate, denosumab, raloxifene, and teriparatide). All studies were judged to be at an overall high risk of bias. Among patients with CKD stages 3-4, anti-osteoporotic drugs may reduce the risk of vertebral fracture (RR 0.52, 95% CI 0.39 to 0.69; low certainty evidence). Anti-osteoporotic drugs probably makes little or no difference to the risk of clinical fracture (RR 0.91, 95% CI 0.79 to 1.05; moderate certainty evidence) and adverse events (RR 0.99, 95% CI 0.98 to 1.00; moderate certainty evidence). We were unable to incorporate studies into the meta-analyses for BMD at the femoral neck, lumbar spine and total hip as they only reported the percentage change in the BMD in the intervention group. Among patients with severe CKD stages 5 or 5D, it is uncertain whether anti-osteoporotic drug reduces the risk of clinical fracture (RR 0.33, 95% CI 0.01 to 7.87; very low certainty evidence). It is uncertain whether anti-osteoporotic drug improves the BMD at the femoral neck because the certainty of this evidence is very low (MD 0.01, 95% CI 0.00 to 0.02). Anti-osteoporotic drug may slightly improve the BMD at the lumbar spine (MD 0.03, 95% CI 0.03 to 0.04, low certainty evidence). No adverse events were reported in the included studies. It is uncertain whether anti-osteoporotic drug reduces the risk of death (RR 1.00, 95% CI 0.22 to 4.56; very low certainty evidence). AUTHORS' CONCLUSIONS Among patients with CKD stages 3-4, anti-osteoporotic drugs may reduce the risk of vertebral fracture in low certainty evidence. Anti-osteoporotic drugs make little or no difference to the risk of clinical fracture and adverse events in moderate certainty evidence. Among patients with CKD stages 5 and 5D, it is uncertain whether anti-osteoporotic drug reduces the risk of clinical fracture and death because the certainty of this evidence is very low. Anti-osteoporotic drug may slightly improve the BMD at the lumbar spine in low certainty evidence. It is uncertain whether anti-osteoporotic drug improves the BMD at the femoral neck because the certainty of this evidence is very low. Larger studies including men, paediatric patients or individuals with unstable CKD-mineral and bone disorder are required to assess the effect of each anti-osteoporotic drug at each stage of CKD.
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Affiliation(s)
- Takashi Hara
- Department of Healthcare Epidemiology, Kyoto University Graduate School of Medicine/School of Public Health, Kyoto, Japan
| | - Yasukazu Hijikata
- Department of Healthcare Epidemiology, Kyoto University Graduate School of Medicine/School of Public Health, Kyoto, Japan
| | - Yukiko Matsubara
- Department of Nephrology, Hiroshima University Hospital, Hiroshima, Japan
| | - Norio Watanabe
- Department of Psychiatry, Soseikai General Hospital, Kyoto, Japan
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Alam MA, Qiu C, Shen H, Wang YP, Deng HW. A generalized kernel machine approach to identify higher-order composite effects in multi-view datasets, with application to adolescent brain development and osteoporosis. J Biomed Inform 2021; 120:103854. [PMID: 34237438 DOI: 10.1016/j.jbi.2021.103854] [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: 09/25/2020] [Revised: 05/28/2021] [Accepted: 06/28/2021] [Indexed: 10/20/2022]
Abstract
In recent years, a comprehensive study of complex disease with multi-view datasets (e.g., multi-omics and imaging scans) has been a focus and forefront in biomedical research. State-of-the-art biomedical technologies are enabling us to collect multi-view biomedical datasets for the study of complex diseases. While all the views of data tend to explore complementary information of disease, analysis of multi-view data with complex interactions is challenging for a deeper and holistic understanding of biological systems. In this paper, we propose a novel generalized kernel machine approach to identify higher-order composite effects in multi-view biomedical datasets (GKMAHCE). This generalized semi-parametric (a mixed-effect linear model) approach includes the marginal and joint Hadamard product of features from different views of data. The proposed kernel machine approach considers multi-view data as predictor variables to allow a more thorough and comprehensive modeling of a complex trait. We applied GKMAHCE approach to both synthesized datasets and real multi-view datasets from adolescent brain development and osteoporosis study. Our experiments demonstrate that the proposed method can effectively identify higher-order composite effects and suggest that corresponding features (genes, region of interests, and chemical taxonomies) function in a concerted effort. We show that the proposed method is more generalizable than existing ones. To promote reproducible research, the source code of the proposed method is available at.
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Affiliation(s)
- Md Ashad Alam
- Tulane Center for Biomedical Informatics and Genomics, Tulane University, New Orleans, LA 70112, USA; Division of Biomedical Informatics and Genomics, Deming Department of Medicine, Tulane University, New Orleans, LA 70112, USA.
| | - Chuan Qiu
- Tulane Center for Biomedical Informatics and Genomics, Tulane University, New Orleans, LA 70112, USA; Division of Biomedical Informatics and Genomics, Deming Department of Medicine, Tulane University, New Orleans, LA 70112, USA
| | - Hui Shen
- Tulane Center for Biomedical Informatics and Genomics, Tulane University, New Orleans, LA 70112, USA; Division of Biomedical Informatics and Genomics, Deming Department of Medicine, Tulane University, New Orleans, LA 70112, USA
| | - Yu-Ping Wang
- Tulane Center for Biomedical Informatics and Genomics, Tulane University, New Orleans, LA 70112, USA; Department of Biomedical Engineering, Tulane University, New Orleans, LA 70118, USA
| | - Hong-Wen Deng
- Tulane Center for Biomedical Informatics and Genomics, Tulane University, New Orleans, LA 70112, USA; Division of Biomedical Informatics and Genomics, Deming Department of Medicine, Tulane University, New Orleans, LA 70112, USA
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50
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Bover J, Ureña-Torres P, Cozzolino M, Rodríguez-García M, Gómez-Alonso C. The Non-invasive Diagnosis of Bone Disorders in CKD. Calcif Tissue Int 2021; 108:512-527. [PMID: 33398414 DOI: 10.1007/s00223-020-00781-5] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 11/17/2020] [Indexed: 12/14/2022]
Abstract
Abnormal bone metabolism is an integral part of the chronic kidney disease-mineral bone disorder (CKD-MBD). For several reasons, the difficult bone compartment was neglected for some time, but there has been renewed interest as a result of the conception of bone as a new endocrine organ, the increasing recognition of the cross-talk between bone and vessels, and, especially, the very high risk of osteoporotic fractures (and associated mortality) demonstrated in patients with CKD. Therefore, it has been acknowledged in different guidelines that action is needed in respect of fracture risk assessment and the diagnosis and treatment of osteoporosis in the context of CKD and CKD-MBD, even beyond renal osteodystrophy. These updated guidelines clearly underline the need to improve a non-invasive approach to these bone disorders in order to guide treatment decisions aimed at not only controlling CKD-MBD but also decreasing the risk of fracture. In this report, we review the current role of the most often clinically used or promising biochemical circulating biomarkers such as parathyroid hormone, alkaline phosphatases, and other biochemical markers of bone activity as alternatives to some aspects of bone histomorphometry. We also mention the potential role of classic and new imaging techniques for CKD patients. Information on many aspects is still scarce and heterogeneous, but many of us consider that it is indeed time for action, recognizing our definitely limited ability to base certain treatment decisions only on our current non-comprehensive knowledge.
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Affiliation(s)
- Jordi Bover
- Department of Nephrology, Fundació Puigvert and Universitat Autònoma, IIB Sant Pau, REDinREN, C. Cartagena 340-350, 08025, Barcelona, Catalonia, Spain.
| | - Pablo Ureña-Torres
- Department of Dialysis, AURA Nord Saint Ouen and Department of Renal Physiology, Necker Hospital, University of Paris Descartes, Paris, France
| | - Mario Cozzolino
- Renal Division, ASST Santi Paolo e Carlo, Department of Health Sciences, University of Milan, Milan, Italy
| | - Minerva Rodríguez-García
- Unidad de Gestión Clínica de Nefrología, Hospital Universitario Central de Asturias, REDinREN, Universidad de Oviedo, Oviedo, Spain
| | - Carlos Gómez-Alonso
- Unidad de Gestión Clínica de Metabolismo Óseo y Mineral, Instituto de Investigación Sanitaria del Principado de Asturias, Hospital Universitario Central de Asturias, Oviedo, Spain
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