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https://www.readbyqxmd.com/read/28808443/angiotensin-converting-enzyme-inhibition-and-parathyroid-hormone-secretion
#1
Sarah Zaheer, Jenifer M Brown, Molly Connors, Jonathan S Williams, Gail K Adler, Anand Vaidya
BACKGROUND: Prior studies suggest that renin-angiotensin-aldosterone system (RAAS) inhibitors decrease parathyroid hormone (PTH) secretion. OBJECTIVE: To evaluate the effect of angiotensin-converting enzyme inhibitors (ACEi) on serum PTH in participants with and without primary hyperparathyroidism (P-HPT). METHODS: An open-label, single-arm, pilot study whereby participants with and without P-HPT had PTH were evaluated before and after 1 week of maximally tolerated lisinopril therapy...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28801122/deoxycholic-acid-a-metabolite-of-circulating-bile-acids-and-coronary-artery-vascular-calcification-in-ckd
#2
Anna Jovanovich, Tamara Isakova, Geoffrey Block, Jason Stubbs, Gerard Smits, Michel Chonchol, Makoto Miyazaki
BACKGROUND: Vascular calcification is common among patients with chronic kidney disease (CKD), and it is associated with all-cause and cardiovascular disease mortality. Deoxycholic acid, a metabolite of circulating bile acids, is elevated in CKD and induces vascular mineralization and osteogenic differentiation in animal models. STUDY DESIGN: Cohort analysis of clinical trial participants. SETTING & PARTICIPANTS: 112 patients with moderate to severe CKD (estimated glomerular filtration rate, 20-45mL/min/1...
August 9, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28797019/associations-of-low-vitamin-d-and-elevated-parathyroid-hormone-concentrations-with-bone-mineral-density-in-perinatally-hiv-infected-children
#3
Denise L Jacobson, Charles B Stephensen, Tracie L Miller, Kunjal Patel, Janet S Chen, Russell B Van Dyke, Ayesha Mirza, Gertrud U Schuster, Rohan Hazra, Angela Ellis, Sean S Brummel, Mitchell E Geffner, Margarita Silio, Stephen A Spector, Linda A DiMeglio
BACKGROUND: Perinatally HIV-infected (PHIV) children have, on average, lower bone mineral density (BMD) than perinatally HIV-exposed uninfected (PHEU) and healthy children. Low 25-hydroxy vitamin D [25(OH)D] and elevated parathyroid hormone (PTH) concentrations may lead to suboptimal bone accrual. METHODS: PHIV and PHEU children in the Pediatric HIV/AIDS Cohort Study had total body (TB) and lumbar spine (LS) BMD and bone mineral content (BMC) measured by dual-energy x-ray absorptiometry; BMD z-scores (BMDz) were calculated for age and sex...
September 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28795342/effect-of-cholecalciferol-therapy-on-serum-fgf23-in-vitamin-d-deficient-patients-a-randomized-clinical-trial
#4
T Kamelian, F Saki, M Jeddi, M H Dabbaghmanesh, G H R Omrani
INTRODUCTION: Fibroblast growth factor-23 plays an important role in regulating systemic phosphate homeostasis, and vitamin D metabolism. However, the effect of Cholecalciferol therapy on FGF23 serum level in patients with vitamin D deficiency has not been studied, yet. MATERIALS AND METHODS: This is a double-blind, randomized clinical trial on 119 vitamin D deficient patients in 2016. Biochemical variables of treatment and placebo groups were analyzed after 12 weeks of 50,000 IU of Cholecalciferol vs...
August 9, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28770272/effectiveness-of-anti-osteoporotic-drugs-to-prevent-secondary-fragility-fractures-systematic-review-and-meta-analysis
#5
REVIEW
T Saito, J M Sterbenz, S Malay, L Zhong, M P MacEachern, K C Chung
Patients with osteoporotic fractures have an increased risk for secondary fractures. However, a rigorous study that assesses the effectiveness of individual osteoporotic drugs in preventing subsequent fractures is lacking. The purpose of this review was to analyze the effectiveness of anti-osteoporotic drugs in preventing secondary fractures. We searched for randomized controlled trials that showed the incidence of secondary fractures while using anti-osteoporotic drugs (bisphosphonates, selective estrogen receptor modulators, parathyroid hormone (PTH), or calcitonin) in MEDLINE, Embase...
August 2, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28756709/emerging-anabolic-agents-in-the-treatment-of-osteoporosis
#6
Christina Lovato, E Michael Lewiecki
Osteoporosis is a common skeletal disease with serious consequences due to osteoporotic fractures and high costs to society for post-fracture care. Most patients at high risk for fracture are not receiving care to reduce fracture risk. The osteoporosis treatment gap has reached crisis proportions. Strategies to reduce the treatment gap include systematic methods for identifying and treating high risk patients, better education of patients and healthcare providers, better use of currently available drugs, and development of new drugs to treat osteoporosis...
July 31, 2017: Expert Opinion on Emerging Drugs
https://www.readbyqxmd.com/read/28740392/cholecalciferol-improves-glycemic-control-in-type-2-diabetic-patients-a-6-month-prospective-interventional-study
#7
Aml Mohamed Nada, Dalia A Shaheen
BACKGROUND AND PURPOSE: To investigate the effects of vitamin D supplementation on glucose homeostasis and lipid profile in type 2 diabetic patients who have vitamin D deficiency. PATIENTS AND METHODS: One hundred twenty-five type 2 diabetic patients taking oral hypoglycemic agents as mono- or combination therapy were recruited from the diabetes and endocrinology clinic. Subject demographics, duration of diabetes, antidiabetic medication, body mass index (BMI), pulse, and blood pressure (BP) were assessed...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28699886/interleukin-1-inhibition-chronic-kidney-disease-mineral-and-bone-disorder-and-physical-function%C3%A2
#8
Kristen L Nowak, Adriana Hung, Talat Alp Ikizler, Heather Farmer-Bailey, Natjalie Salas-Cruz, Sudipa Sarkar, Andrew Hoofnagle, Zhiying You, Michel Chonchol
OBJECTIVE: Epidemiologic studies have suggested a link between chronic systemic inflammation and chronic kidney disease-mineral and bone disorder (CKD-MBD). Additionally, declining renal function is associated with worsening physical and cognitive function, which may potentially be explained by systemic inflammation, CKD-MBD, or both. We hypothesized that inhibiting inflammation with an interleukin-1 (IL-1) trap would improve markers of CKD-MBD as well as physical/cognitive function in patients with moderate-to-severe CKD...
September 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28680788/profile-of-abaloparatide-and-its-potential-in-the-treatment-of-postmenopausal-osteoporosis
#9
REVIEW
Sri Harsha Tella, Anuhya Kommalapati, Ricardo Correa
Abaloparatide (previously known as BA058) is a synthetic 34-amino acid peptide and novel selective activator of parathyroid hormone receptor 1 (PTHR1) currently under development as a new anabolic agent in the management of osteoporosis. This paper reviews the profile and potential of abaloparatide in the treatment of postmenopausal osteoporosis. This paper is based on clinical trials and a PubMed search. Search terms used were "abaloparatide", "BA058", and "PTHrP". This review outlines the effects of this anabolic PTHR1 activator, which increases bone mineral density in patients at high risk for osteoporosis...
May 31, 2017: Curēus
https://www.readbyqxmd.com/read/28667579/the-impact-of-fish-oil-and-wheat-germ-oil-combination-on-mineral-bone-and-inflammatory-markers-in-maintenance-hemodialysis-patients-a-randomized-double-blind-placebo-controlled-clinical-trial
#10
Hadeer Zakaria, Tarek M Mostafa, Gamal A El-Azab, Ahmed M Abd El Wahab, Heba Elshahawy, Nagy Ah Sayed-Ahmed
PURPOSE: This study aimed to examine the impact of combined supplementation of fish oil (FO) with antioxidants like wheat germ oil (WGO) on mineral-bone and inflammatory markers in maintenance HD patients. METHODS: This randomized, double-blind, placebo-controlled trial involved 46 HD patients who were randomly assigned into two groups to receive daily 3000 mg of FO [1053 mg omega-3 fatty acids (ω-3 FAs)] plus 300 mg of WGO [0.765 mg vitamin E] or placebo for 4 months...
June 30, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28645705/acid-load-and-phosphorus-homeostasis-in-ckd
#11
Pascale Khairallah, Tamara Isakova, John Asplin, Lee Hamm, Mirela Dobre, Mahboob Rahman, Kumar Sharma, Mary Leonard, Edgar Miller, Bernard Jaar, Carolyn Brecklin, Wei Yang, Xue Wang, Harold Feldman, Myles Wolf, Julia J Scialla
BACKGROUND: The kidneys maintain acid-base homeostasis through excretion of acid as either ammonium or as titratable acids that primarily use phosphate as a buffer. In chronic kidney disease (CKD), ammoniagenesis is impaired, promoting metabolic acidosis. Metabolic acidosis stimulates phosphaturic hormones, parathyroid hormone (PTH) and fibroblast growth factor 23 (FGF-23) in vitro, possibly to increase urine titratable acid buffers, but this has not been confirmed in humans. We hypothesized that higher acid load and acidosis would associate with altered phosphorus homeostasis, including higher urinary phosphorus excretion and serum PTH and FGF-23...
June 21, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28634117/to-assess-the-effects-of-parathyroidectomy-tptx-versus-tptx-at-for-secondary-hyperparathyroidism-in-chronic-renal-failure-a-systematic-review-and-meta-analysis
#12
REVIEW
Miao-E Liu, Nian-Cun Qiu, Si-Luo Zha, Zhi-Peng Du, Yi-Fan Wang, Qiang Wang, Qi Chen, Xiao-Xia Cen, Ying Jiang, Qiong Luo, Cheng-Xiang Shan, Ming Qiu
BACKGROUND: Secondary Hyperparathyroidism (SHPT) requiring parathyroidectomy (PTX) occurs more commonly in patients with progressive chronic kidney disease and in those on long-term lithium therapy. Successful PTX often results in a dramatic drop of parathyroid hormone level, relieves the patient from clinical symptoms, and reduces mortality. However, there is an ongoing debate on the optimal surgical treatment of SHPT. Currently, no clinical guidelines or trials have definitely answered the question of whether Total Parathyroidectomy (TPTX) is superior or equal to Total Parathyroidectomy with Autotransplantation (TPTX + AT)...
June 17, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28630081/calcium-sensing-receptor-genotype-and-response-to-cinacalcet-in-patients-undergoing-hemodialysis
#13
Sharon M Moe, Leah Wetherill, Brian Scott Decker, Dongbing Lai, Safa Abdalla, Jin Long, Matteo Vatta, Tatiana M Foroud, Glenn M Chertow
BACKGROUND AND OBJECTIVES: We tested the hypothesis that single nucleotide polymorphisms (SNPs) in the calcium-sensing receptor (CASR) alter the response to the calcimimetic cinacalcet. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We analyzed DNA samples in the Evaluation of Cinacalcet HCl Therapy to Lower Cardiovascular Events (EVOLVE) trial, a randomized trial comparing cinacalcet to placebo on a background of usual care. Of the 3883 patients randomized, 1919 (49%) consented to DNA collection, and samples from 1852 participants were genotyped for 18 CASR polymorphisms...
July 7, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28628374/effects-of-a-multispecies-probiotic-supplement-on-bone-health-in-osteopenic-postmenopausal-women-a-randomized-double-blind-controlled-trial
#14
Sadegh Jafarnejad, Kurosh Djafarian, Mohammad Reza Fazeli, Mir Saeed Yekaninejad, Abdolrahman Rostamian, Seyed Ali Keshavarz
OBJECTIVE: The development of alternative approaches to prevent and/or treat osteoporosis, as a chronic progressive bone disease, is being considered currently. Among dietary supplements, probiotics may have favorable effects on bone metabolism. Therefore, the aim of this study was to evaluate the effects of a multispecies probiotic supplementation on bone biomarkers and bone density in osteopenic postmenopausal women. METHODS: This randomized double-blind placebo-controlled clinical trial was performed on 50 patients with osteopenia aged 50-72 years...
June 19, 2017: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/28621627/factors-associated-with-shunt-dependent-hydrocephalus-after-decompressive-craniectomy-for-traumatic-brain-injury
#15
Aditya Vedantam, Jose-Miguel Yamal, Hyunsoo Hwang, Claudia S Robertson, Shankar P Gopinath
OBJECTIVE Posttraumatic hydrocephalus (PTH) affects 11.9%-36% of patients undergoing decompressive craniectomy (DC) and is an important cause of morbidity after traumatic brain injury (TBI). Early diagnosis and treatment of PTH can prevent further neurological compromise in patients who are recovering from TBI. There is limited data on predictors of shunting for PTH after DC for TBI. METHODS Prospectively collected data from the erythropoietin severe TBI randomized controlled trial were studied. Demographic, clinical, and imaging data were analyzed for enrolled patients who underwent a DC...
June 16, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28606219/dietary-calcium-intake-and-rate-of-bone-loss-in-men
#16
RANDOMIZED CONTROLLED TRIAL
Sarah M Bristow, Gregory D Gamble, Anne M Horne, Ian R Reid
A high Ca intake has been recommended for osteoporosis prevention; however, little research has examined the relationship between dietary Ca and bone health in men. We examined associations between dietary Ca intake, bone mineral density (BMD) and change in BMD at the total body, hip and spine over 2 years in a cohort of men (mean age 57 years, BMI 26 kg/m2) from a trial. Data from the total cohort (n 323) were used in the analysis of Ca intake and BMD at baseline, and data from the placebo group (n 99) were used in the longitudinal analysis of Ca intake and change in BMD...
May 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28579423/serum-phosphorus-and-risk-of-cardiovascular-disease-all-cause-mortality-or-graft-failure-in-kidney-transplant-recipients-an-ancillary-study-of-the-favorit-trial-cohort
#17
Basma Merhi, Theresa Shireman, Myra A Carpenter, John W Kusek, Paul Jacques, Marc Pfeffer, Madhumathi Rao, Meredith C Foster, S Joseph Kim, Todd E Pesavento, Stephen R Smith, Clifton E Kew, Andrew A House, Reginald Gohh, Daniel E Weiner, Andrew S Levey, Joachim H Ix, Andrew Bostom
BACKGROUND: Mild hyperphosphatemia is a putative risk factor for cardiovascular disease [CVD], loss of kidney function, and mortality. Very limited data are available from sizable multicenter kidney transplant recipient (KTR) cohorts assessing the potential relationships between serum phosphorus levels and the development of CVD outcomes, transplant failure, or all-cause mortality. STUDY DESIGN: Cohort study. SETTING & PARTICIPANTS: The Folic Acid for Vascular Outcome Reduction in Transplantation (FAVORIT) Trial, a large, multicenter, multiethnic, controlled clinical trial that provided definitive evidence that high-dose vitamin B-based lowering of plasma homocysteine levels did not reduce CVD events, transplant failure, or total mortality in stable KTRs...
June 2, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28565886/effects-of-cholecalciferol-supplementation-in-patients-with-stable-heart-failure-and-low-vitamin-d-levels-ecsploit-d-a-double-blind-randomized-placebo-controlled-pilot-study
#18
Fabrizio Turrini, Stefania Scarlini, Paolo Giovanardi, Roberto Messora, Laura Roli, Johanna Chester, Chiara Mussi, Marco Bertolotti, Tommaso Trenti, Marco Bondi
BACKGROUND: The aim of this study was to investigate the effects of vitamin D (VD) on the interaction among functional, echocardiographic and hormonal parameters in patients with heart failure (HF) and VD deficiency. METHODS: In a randomized, double blind trial, 35 patients with HF and VD < 20 ng/ml, received either 300,000 U of oral cholecalciferol followed by 50,000 U/month for 6 months, or placebo treatment. RESULTS: Changes in the 6 Minute Walking Test (6MWT) assessed at 3 and 6 months in treatment group was the primary end point...
May 31, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28550081/randomized-controlled-trial-for-the-effect-of-vitamin-d-supplementation-on-vascular-stiffness-in-ckd
#19
Adeera Levin, Mila Tang, Taylor Perry, Nadia Zalunardo, Monica Beaulieu, Joshua A Dubland, Kelly Zerr, Ognjenka Djurdjev
BACKGROUND AND OBJECTIVES: Vitamin D is implicated in vascular health in CKD. This study compared placebo, calcifediol, and calcitriol treatment with changes in vascular stiffness, BP, proteinuria, mineral metabolism parameters, C-reactive protein, and fibroblast growth factor 23 in patients with stable CKD. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We conducted a double-blind, randomized controlled trial in out-patient CKD clinics in Vancouver, Canada, from February of 2011 to August of 2014, enrolling 119 patients with an eGFR of 15-45 ml/min per 1...
May 26, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28528472/early-prediction-of-hypocalcemia-following-thyroid-surgery-a-prospective-randomized-clinical-trial
#20
Alessandra Saba, Mauro Podda, Antonio Messina Campanella, Adolfo Pisanu
PURPOSE: The aim of this randomized-controlled trial was to validate the results of a previous prospective single-cohort observational study conducted in the same surgical unit regarding the use of concomitant intact parathyroid hormone (iPTH) and serum calcium measurement in predicting hypocalcemia after total thyroidectomy. METHODS: From January 2014 to January 2015, 150 patients underwent total thyroidectomy in our department and were randomized into two groups...
May 20, 2017: Langenbeck's Archives of Surgery
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