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https://www.readbyqxmd.com/read/27900961/efficacy-and-safety-of-calcium-acetate-magnesium-carbonate-in-the-treatment-of-hyperphosphatemia-in-dialysis-patients
#1
Imed Helal, Hanene Elkateb, Hafedh Hedri, Malika Hajri, Fethi Ben Hamida
A phosphate binder combining calcium and magnesium offers an interesting therapeutic option to control hyperphosphatemia in dialysis patients. We investigated the effectiveness and tolerance of calcium acetate-magnesium carbonate (Ca-Mg). This is a 16-week prospective study including 16 dialysis patients. After an initial two-week washout period, serum phosphorus (sPho) ≥1.8 mmol/L, serum calcium (sCa) ≤2.6 mmol/L, and serum magnesium ≤1.5 mmol/L were the main inclusion criteria. The initial dose of Ca-Mg depended on sPho level and was titrated for every two weeks to have a sPho ≤ 1...
November 2016: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/27896908/bixalomer-in-hyperphosphatemic-patients-with-chronic-kidney-disease-not-on-dialysis-phase-3-randomized-trial
#2
Tadao Akizawa, Hideki Origasa, Chisato Kameoka, Junko Tsukada, Kentarou Kuroishi, Yusuke Yamaguchi
Currently, calcium- or metal-containing phosphate binders are available to treat hyperphosphatemia in predialysis patients with chronic kidney disease. Bixalomer, a non-calcium, metal-free phosphate binder, has not been studied in these patients. We evaluated the efficacy and safety of bixalomer versus placebo for treatment of hyperphosphatemia in Japanese predialysis patients with chronic kidney disease. This multicenter, randomized, double-blind, phase 3 trial, randomized eligible patients 1:1 to receive bixalomer or placebo for 12 weeks...
November 29, 2016: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/27880946/2md-dp001-a-single-agent-in-the-management-of-hemodialysis-patients-a-randomized-trial
#3
Ravi Thadhani, Julia B Zella, Danielle C Knutson, William J Blaser, Lori A Plum, Margaret Clagett-Dame, Raymond D Buck, Hector F DeLuca
BACKGROUND: Vitamin D analogs and calcimimetics are used to manage secondary hyperparathyroidism (SHPT) in dialysis patients. DP001 is an oral vitamin D analog that suppresses parathyroid hormone (PTH) in uremic rats, osteopenic women, and hemodialysis patients. The safety and effectiveness of DP001 suppressing PTH in dialysis patients previously managed with active vitamin D with or without a calcimimetic are presented. METHODS: A multicenter, randomized, double-blind study compared DP001 to placebo in hemodialysis patients with serum-intact PTH (iPTH) ≥300 pg/ml...
November 24, 2016: American Journal of Nephrology
https://www.readbyqxmd.com/read/27865973/hypertension-and-other-cardiovascular-risk-factors-are-associated-with-vitamin-d-deficiency-in-an-urban-chinese-population-a-short-report
#4
REVIEW
Liang Ke, Rebecca S Mason, Elias Mpofu, Jakob L Vingren, Yan Li, Barry I Graubard, Kaye Brock
There is debate concerning the association of 25-hydroxyvitamin D (25OHD) and parathyroid hormone (PTH) with cardiovascular disease (CVD) risk factors. As both hypertension and vitamin D deficiency are increasingly important public health concerns in China, we investigated these associations in 566 Macao residents. The aim was to investigate the association of serum 25OHD and PTH concentrations with CVD risk factors (hypertension, high pulse rate, abnormal blood lipids). The data were stratified by age, sex, and blood pressure (BP) medication use...
November 16, 2016: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27845598/efficacy-of-microwave-ablation-for-severe-secondary-hyperparathyroidism-in-subjects-undergoing-hemodialysis
#5
Zongli Diao, Liyan Wang, Dishan Li, Wenhu Liu
Severe secondary hyperparathyroidism (SHPT) is a serious problem in patients undergoing hemodialysis. The efficacy and safety of microwave ablation (MWA), a minimally invasive treatment, for severe SHPT are as yet unclear. To clarify the role of MWA, we administered it to patients with severe SHPT and assessed its efficacy and safety. This was a prospective, single-center, single-arm, clinical trial. We enrolled patients with severe SHPT attending our hemodialysis center who met the inclusion and exclusion criteria...
November 15, 2016: Renal Failure
https://www.readbyqxmd.com/read/27806355/effects-of-lowering-dialysate-calcium-concentration-on-carotid-intima-media-thickness-and-aortic-stiffness-in-patients-undergoing-maintenance-hemodialysis-a-prospective-study
#6
Zhangxiu He, Lei Cui, Chunyuan Ma, Hong Yan, Tanyong Ma, Lirong Hao
BACKGROUND AND AIM: The study aimed to prospectively evaluate the effects of lowering the dialysate calcium concentration (DCa) to 1.25 mmol/l on Chinese patients undergoing maintenance hemodialysis (MHD), which are largely unknown to date. METHODS: A singer-center, prospective, randomized trial was conducted for 2 years. The DCa in one group was decreased from 1.5 to 1.25 mmol/l but there was no change in the other group. The clinical outcomes, biochemical parameters, medicine treatments and markers of vascular change were compared among the 2 groups at different time intervals...
November 2, 2016: Blood Purification
https://www.readbyqxmd.com/read/27786155/impact-of-tenofovir-disoproxil-fumarate-on-bone-metabolism-and-bone-mass-among-perinatally-hiv-infected-asian-adolescents
#7
Tavitiya Sudjaritruk, Torsak Bunupuradah, Linda Aurpibul, Pope Kosalaraksa, Nia Kurniati, Jiratchaya Sophonphan, Jintanat Ananworanich, Thanyawee Puthanakit
BACKGROUND: This study aimed to determine the effect of tenofovir disoproxil fumarate (TDF) on bone metabolism and bone mass in HIV-infected adolescents. METHODS: This was a sub-study of a cross-sectional multicenter bone health trial that enrolled perinatally HIV-infected Thai and Indonesian adolescents (10-18 years) with viral suppression on antiretroviral therapy. Participants were classified into 2 groups as TDF users and non-users. Bone metabolism-related markers [25-hydroxyvitamin D (25-OHD), intact parathyroid hormone (iPTH), bone turnover biomarkers], and lumbar spine dual-energy X-ray absorptiometry were assessed...
October 27, 2016: Antiviral Therapy
https://www.readbyqxmd.com/read/27772640/intensive-hemodialysis-mineral-and-bone-disorder-and-phosphate-binder-use
#8
Michael Copland, Paul Komenda, Eric D Weinhandl, Peter A McCullough, Jose A Morfin
Mineral and bone disorder is a common complication of end-stage renal disease. Notably, hyperphosphatemia likely promotes calcification of the myocardium, valves, and arteries. Hyperphosphatemia is associated with higher risk for cardiovascular mortality and morbidity along a gradient beginning at 5.0mg/dL. Among contemporary hemodialysis (HD) patients, mean serum phosphorus level is 5.2mg/dL, although 25% of patients have serum phosphorus levels of 5.5 to 6.9mg/dL; and 13%, >7.0mg/dL. Treatment of hyperphosphatemia is burdensome...
November 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27768857/effects-of-genetic-and-non-genetic-factors-on-total-and-bioavailable-25-oh-d-responses-to-vitamin-d-supplementation
#9
Pang Yao, Liang Sun, Ling Lu, Hong Ding, Xiafei Chen, Lixin Tang, Xinming Xu, Gang Liu, Yao Hu, Yiwei Ma, Feijie Wang, Qianlu Jin, He Zheng, Huiyong Yin, Rong Zeng, Yan Chen, Frank B Hu, Huaixing Li, Xu Lin
CONTEXT: Little is known how genetic and non-genetic factors modify responses of vitamin D supplementation in nonwhite populations. OBJECTIVE: To investigate factors modifying 25-hydroxyvitamin D (25[OH]D) and bioavailable 25(OH)D (25[OH]DBio) responses after vitamin D3 supplementation. Design, Setting, Participants, and Intervention: In this randomized, double-blinded, placebo-controlled trial, 448 Chinese with vitamin D deficiency (25[OH]D<50 nmol/L) received 2000 IU/d vitamin D3 or placebo for 20 weeks...
October 21, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27754290/br-08-2-cardiovascular-risk-assessment-in-hypertensives-with-ckd
#10
Jongha Park
Cardiovascular (CV) risk assessment is not easy in chronic kidney disease (CKD) patients. Age, male sex, race, family history of CV disease, smoking status and diabetes should be considered as CV risk factors as the general population. It is also accepted that hypertension (HTN) is associated with the greater risk of CV complications in this population. However, there are some concerns in this issue.First, supporting evidence for specific blood pressure (BP) targets in CKD is scarce. Many observational studies reported a J-shaped association between BP level and CV mortality unlike a linear association in the general population...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27743449/fracture-healing-physiology-and-the-quest-for-therapies-for-delayed-healing-and-nonunion
#11
Paul Kostenuik, Faisal M Mirza
Delayed healing and nonunion of fractures represent enormous burdens to patients and healthcare systems. There are currently no approved pharmacological agents for the treatment of established nonunions, or for the acceleration of fracture healing, and no pharmacological agents are approved for promoting the healing of closed fractures. Yet several pharmacologic agents have the potential to enhance some aspects of fracture healing. In preclinical studies, various agents working across a broad spectrum of molecular pathways can produce larger, denser and stronger fracture calluses...
October 15, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27741217/efficacy-of-high-dose-vitamin-d-supplements-for-elite-athletes
#12
Daniel J Owens, Jonathan C Y Tang, Warren J Bradley, S Andy Sparks, William D Fraser, James P Morton, Graeme L Close
PURPOSE: Supplementation with dietary forms of vitamin D is commonplace in clinical medicine, elite athletic cohorts and the general population, yet the response of all major vitamin D metabolites to high doses of vitamin D is poorly characterized. We aimed to identify the responses of all major vitamin D metabolites to moderate and high dose supplemental vitamin D3. METHODS: A repeated measures design was implemented in which 46 elite professional European athletes were block randomized based on their basal 25[OH]D concentration into two treatment groups...
October 13, 2016: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/27741007/total-parathyroidectomy-with-routine-thymectomy-and-autotransplantation-versus-total-parathyroidectomy-alone-for-secondary-hyperparathyroidism-results-of-a-nonconfirmatory-multicenter-prospective-randomized-controlled-pilot-trial
#13
Katja Schlosser, Detlef K Bartsch, Markus K Diener, Christoph M Seiler, Tom Bruckner, Christoph Nies, Moritz Meyer, Jens Neudecker, Peter E Goretzki, Gabriel Glockzin, Ralf Konopke, Matthias Rothmund
OBJECTIVE: This randomized controlled multicenter pilot trial was conducted to find robust estimates for the rates of recurrence of 2 surgical strategies for secondary hyperparathyroidism (SHPT) within 36 months of follow-up. BACKGROUND: SHPT is a frequent consequence of chronic renal failure. Total parathyroidectomy with autotransplantation (TPTX+AT) and subtotal parathyroidectomy (SPTX) are the standard surgical procedures. Total parathyroidectomy alone (TPTX) might be a good alternative, as morbidity and recurrence rates are low according to small-scale retrospective studies...
November 2016: Annals of Surgery
https://www.readbyqxmd.com/read/27737388/effectiveness-and-safety-of-a-6-month-treatment-with-paricalcitol-in-patients-on-hemodialysis-with-secondary-hyperparathyroidism
#14
Inés Olaizola, Hena Caorsi, Laura Fajardo, Alejandro Ferreiro, Nieves Campistrus, Deyanira Dolinsky, Alicia Petraglia, Pablo Ambrosoni
Introduction: The mineral bone disorder, particularly secondary hyperparathyroidism, in chronic kidney disease (CKD) has a systemic impact affecting not only bone metabolism. Therefore its correction is important to prevent cardiovascular, inflammatory and immune diseases. Objective: To assess the effectiveness and safety of intravenous paricalcitol administered over a 6 month period for the treatment of secondary hyperparathyroidism (SHPT) in patients undergoing conventional hemodialysis, with close follow-up of treatment response...
July 2016: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/27724992/vitamin-d3-supplementation-in-healthy-adults-a-comparison-between-capsule-and-oral-spray-solution-as-a-method-of-delivery-in-a-wintertime-randomised-open-label-cross-over-study
#15
Joshua J Todd, Emeir M McSorley, L Kirsty Pourshahidi, Sharon M Madigan, Eamon Laird, Martin Healy, Pamela J Magee
Vitamin D is typically supplied in capsule form, both in trials and in clinical practice. However, little is known regarding the efficacy of vitamin D administered via oral sprays - a method that primarily bypasses the gastrointestinal absorption route. This study aimed to compare the efficacy of vitamin D3 liquid capsules and oral spray solution in increasing wintertime total 25-hydroxyvitamin D (25(OH)D) concentrations. In this randomised, open-label, cross-over trial, healthy adults (n 22) received 3000 IU (75 µg) vitamin D3 daily for 4 weeks in either capsule or oral spray form...
October 2016: British Journal of Nutrition
https://www.readbyqxmd.com/read/27716304/appropriate-vitamin-d-loading-regimen-for-patients-with-advanced-lung-cancer
#16
L John Hoffer, Line Robitaille, Nelda Swinton, Jason Agulnik, Victor Cohen, David Small, Carmela Pepe, Shaun Eintracht
BACKGROUND: Most patients attending cancer clinics have hypovitaminosis D. Correcting or preventing this abnormal condition could mitigate the emotional and physical complications of their disease, but clinical trials of vitamin D therapy in this setting are hindered by the unavailability of safe, effective and practical loading dose regimens. METHODS: In this single arm open-label pharmacokinetic trial, outpatients with advanced lung cancer consumed 20,000 IU vitamin D daily with the largest meal of the day for 14 days followed by 10,000 IU per day for a further 7 days...
October 6, 2016: Nutrition Journal
https://www.readbyqxmd.com/read/27683185/association-between-single-gene-polymorphisms-and-bone-biomarkers-and-response-to-calcium-and-vitamin-d-supplementation-in-young-adults-undergoing-military-training
#17
E Gaffney-Stomberg, L J Lutz, A Shcherbina, D O Ricke, M Petrovick, T L Cropper, S J Cable, J P McClung
Initial military training (IMT) is associated with increased stress fracture risk. In prior studies, supplemental calcium (Ca) and vitamin D provided daily throughout IMT reduced stress fracture incidence, suppressed PTH, and improved measures of bone health compared to placebo. Data were analyzed from a randomized, double-blind, placebo-controlled trial to determine whether SNPs in Ca and vitamin D related genes were associated with circulating biomarkers of bone metabolism in young adults entering IMT, and whether responses to Ca and vitamin D supplementation were modulated by genotype...
September 28, 2016: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/27676398/the-relationship-between-calciotropic-hormones-igf1-and-bone-mass-across-pubertal-stages
#18
Maria Matar, Laila Al-Shaar, Joyce Maalouf, Mona Nabulsi, Asma Arabi, Mahmoud Choucair, Hani Tamim, Ghada El-Hajj Fuleihan
BACKGROUND: Little is known about the changes in calciotropic hormones during puberty and their relationship to bone mass during this critical period for skeletal accretion. OBJECTIVES: Investigate changes in calciotropic hormones, IGF1, body composition and their associations with bone metabolism in adolescents. METHODS: Post-hoc analyses from data on 335 healthy school children, ages 10-17 years, with hypovitaminosis D, who participated in a vitamin D randomized controlled trial...
September 27, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27662240/american-association-of-clinical-endocrinologists-and-american-college-of-endocrinology-clinical-practice-guidelines-for-the-diagnosis-and-treatment-of-postmenopausal-osteoporosis-2016
#19
Pauline M Camacho, Steven M Petak, Neil Binkley, Bart L Clarke, Steven T Harris, Daniel L Hurley, Michael Kleerekoper, E Michael Lewiecki, Paul D Miller, Harmeet S Narula, Rachel Pessah-Pollack, Vin Tangpricha, Sunil J Wimalawansa, Nelson B Watts
AACE = American Association of Clinical Endocrinologists AFF = atypical femur fracture ASBMR = American Society for Bone and Mineral Research BEL = best evidence level BMD = bone mineral density BTM = bone turnover marker CBC = complete blood count CI = confidence interval DXA = dual-energy X-ray absorptiometry EL = evidence level FDA = U.S. Food and Drug Administration FLEX = Fracture Intervention Trial (FIT) Long-term Extension FRAX(®) = Fracture Risk Assessment Tool GFR = glomerular filtration rate GI = gastrointestinal HORIZON = Health Outcomes and Reduced Incidence with Zoledronic Acid Once Yearly IOF = International Osteoporosis Foundation ISCD = International Society for Clinical Densitometry IU = international units IV = intravenous LSC = least significant change NBHA = National Bone Health Alliance NOF = National Osteoporosis Foundation 25(OH)D = 25-hydroxy vitamin D ONJ = osteonecrosis of the jaw PINP = serum carboxy-terminal propeptide of type I collagen PTH = parathyroid hormone R = recommendation RANK = receptor activator of nuclear factor kappa-B RANKL = receptor activator of nuclear factor kappa-B ligand RCT = randomized controlled trial RR = relative risk S-CTX = serum C-terminal telopeptide SQ = subcutaneous VFA = vertebral fracture assessment WHO = World Health Organization...
September 2, 2016: Endocrine Practice
https://www.readbyqxmd.com/read/27651467/the-efficacy-and-safety-of-sevelamer-and-lanthanum-versus-calcium-containing-and-iron-based-binders-in-treating-hyperphosphatemia-in-patients-with-chronic-kidney-disease-a-systematic-review-and-meta-analysis
#20
Steven Habbous, Sebastian Przech, Rey Acedillo, Sisira Sarma, Amit X Garg, Janet Martin
BACKGROUND: It remains unclear which phosphate binders should be preferred for hyperphosphatemia management in chronic kidney disease (CKD). METHODS: We performed a systematic review and meta-analysis of randomized trials comparing sevelamer or lanthanum with other phosphate binders in CKD. RESULTS: Fifty-one trials (8829 patients) were reviewed. Compared with calcium-based binders, all-cause mortality was nonsignificantly lower with sevelamer {risk ratio [RR] 0...
September 20, 2016: Nephrology, Dialysis, Transplantation
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