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https://www.readbyqxmd.com/read/28922546/single-dose-local-administration-of-teriparatide-with-a-octacalcium-phosphate-collagen-composite-enhances-bone-regeneration-in-a-rodent-critical-sized-calvarial-defect
#1
Fumihiko Kajii, Atsushi Iwai, Hidenori Tanaka, Keiko Matsui, Tadashi Kawai, Shinji Kamakura
Octacalcium phosphate and collagen composite (OCP/Col) achieves stable bone regeneration without cell transplantation in preclinical studies. Recently, a sponsor-initiated clinical trial was conducted to commercialize the material. The present study investigated bone regeneration by OCP/Col with the single local administration of teriparatide (parathyroid hormone 1-34; TPTD). OCP/Col was prepared by mixing sieved granules of OCP and atelocollagen for medical use and a disk was molded. After the creation of a rodent critical-sized calvarial defect, OCP/Col or OCP/Col with dripped TPTD solution (1...
September 18, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28918310/effect-of-eplerenone-on-markers-of-bone-turnover-in-patients-with-primary-hyperparathyroidism-the-randomized-placebo-controlled-epath-trial
#2
Nicolas Verheyen, Martin R Grübler, Andreas Meinitzer, Christian Trummer, Verena Schwetz, Karin Amrein, Hans P Dimai, Winfried März, Cristiana Catena, Dirk von Lewinski, Jakob Voelkl, Ioana Alesutan, Astrid Fahrleitner-Pammer, Helmut Brussee, Stefan Pilz, Andreas Tomaschitz
Mineralocorticoid receptor (MR) antagonism may affect bone turnover via direct and indirect pathways involving parathyroid hormone, but randomized controlled trials are lacking. In a pre-specified analysis of the "Eplerenone in primary hyperparathyroidism" placebo-controlled, randomized trial (ISRCTN 33941607), effects of eight weeks MR-blockade with eplerenone on bone turnover markers in 97 patients with primary hyperparathyroidism were tested. Mean age was 67.5±9.5years, and 76 (78.4%) were females. In analysis of covariance with adjustment for baseline values, eplerenone had no significant effect on isoform 5b of the tartrate-resistant acid phosphatase (TRAP), beta-crosslaps, N-terminal propeptide of procollagen type 1 (P1NP), osteocalcin and bone-specific alkaline phosphatase...
September 14, 2017: Bone
https://www.readbyqxmd.com/read/28906318/nutritional-state-and-feeding-behaviors-of-children-with-eosinophilic-esophagitis-and-gastroesophageal-reflux-disease
#3
Pooja Mehta, Glenn T Furuta, Taryn Brennan, Michelle L Henry, Nancy Creskoff Maune, Shikha S Sundaram, Calies Menard-Katcher, Dan Atkins, Faith Takurukura, Sandra Giffen, Zhaoxing Pan, Angela M Haas
OBJECTIVE: Because both gastroesophageal reflux disease (GERD) and eosinophilic esophagitis (EoE) are associated with malnutrition and feeding dysfunction, this study compares growth, nutrition and feeding behaviors in children with GERD and EoE. METHODS: Subjects aged 1-7 with GERD or EoE were enrolled in a prospective study. Assessments included length/height, weight, 3-day food diary, serum biomarkers of nutrition, and the Behavioral Pediatric Feeding Assessment Scale (BPFAS)...
September 12, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28898923/repurposing-a-novel-parathyroid-hormone-pth-analog-to-treat-hypoparathyroidism
#4
Venkatesh Krishnan, Yanfei L Ma, Catherine Z Chen, Natasha Thorne, Heather Bullock, Gregory Tawa, Christy Javella-Cauley, Shaoyou Chu, Weiming Li, Wayne Kohn, Mary D Adrian, Charles Benson, Lifei Liu, Masahiko Sato, Wei Zheng, Andre M Pilon, N Nora Yang, Henry U Bryant
BACKGROUND AND PURPOSE: Human parathyroid hormone (PTH) is critical for maintaining physiologic calcium homeostasis, and plays an important role in the formation and maintenance of bone. Full-length PTH and a truncated peptide form are approved for treatment of hypoparathyroidism and osteoporosis, respectively. Our initial goal was to develop an improved PTH therapy for osteoporosis, but clinical development was halted. The novel asset was then repurposed as an improved therapy for hypoparathyroidism...
September 12, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28883932/effect-of-vitamin-d3-on-the-antimicrobial-activity-of-human-airway-surface-liquid-preliminary-results-of-a-randomised-placebo-controlled-double-blind-trial
#5
Luis G Vargas Buonfiglio, Marlene Cano, Alejandro A Pezzulo, Oriana G Vanegas Calderon, Joseph Zabner, Alicia K Gerke, Alejandro P Comellas
INTRODUCTION: Vitamin D3 supplementation has been reported to prevent lung infections and increase the gene expression of antimicrobial peptides such as cathelicidin. We investigated the effect of vitamin D3 supplementation on the antimicrobial activity of airway surface liquid (ASL) in human subjects. Since smoking can increase the risk of respiratory infections, we also investigated the effect of smoking in the cathelicidin response to vitamin D3 in human airway epithelia in vitro. METHODS: This study is a subanalysis of single-centre community-based randomised placebo-controlled double-blind trial...
2017: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/28872612/fructus-ligustri-lucidi-in-osteoporosis-a-review-of-its-pharmacology-phytochemistry-pharmacokinetics-and-safety
#6
REVIEW
Beibei Chen, Lili Wang, Lin Li, Ruyuan Zhu, Haixia Liu, Chenyue Liu, Rufeng Ma, Qiangqiang Jia, Dandan Zhao, Jianzhao Niu, Min Fu, Sihua Gao, Dongwei Zhang
Background: Fructus Ligustri Lucidi (FLL) has now attracted increasing attention as an alternative medicine in the prevention and treatment of osteoporosis. This study aimed to provide a general review of traditional interpretation of the actions of FLL in osteoporosis, main phytochemical constituents, pharmacokinetics, pharmacology in bone improving effect, and safety. Materials and Methods: Several databases, including PubMed, China National Knowledge Infrastructure, National Science and Technology Library, China Science and Technology Journal Database, and Web of Science were consulted to locate publications pertaining to FLL...
September 5, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28864535/mechanisms-in-endocrinology-cardiovascular-manifestations-of-primary-hyperparathyroidism-a-narrative-review
#7
Jessica Pepe, Cristiana Cipriani, Chiara Sonato, Orlando Raimo, Federica Biamonte, Salvatore Minisola
Data on cardiovascular disease in primary hyperparathyroidism (PHPT) are controversial; indeed, at present, cardiovascular involvement is not included among the criteria needed for parathyroidectomy. Aim of this narrative review is to analyze the available literature in an effort to better characterize cardiovascular involvement in PHPT. Due to physiological effects of both parathyroid hormone (PTH) and calcium on cardiomyocyte, cardiac conduction system, smooth vascular, endothelial and pancreatic beta cells, a number of data have been published regarding associations between symptomatic and mild PHPT with hypertension, arrhythmias, endothelial dysfunction (an early marker of atherosclerosis), glucose metabolism impairment and metabolic syndrome...
September 1, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28860784/effect-of-additive-calcium-administration-on-fgf23-levels-in-patients-with-mild-chronic-kidney-disease-treated-with-calcitriol-a-randomized-open-labeled-clinical-trial
#8
Nayoung Han, Su Hyun Hong, Yon Su Kim, Dong Ki Kim, In-Wha Kim, Eunhee Ji, Jung Mi Oh
BACKGROUND: The purpose of the present study was to determine the effect of additional calcium carbonate treatment on fibroblast growth factor 23 (FGF23) levels in patients treated with calcitriol. METHODS: In this randomized, open-labeled, and parallel-group study, a total of 30 patients with early chronic kidney disease (CKD) and vitamin D deficiency were randomly assigned to two groups and received interventions for 8 weeks: 1) a combination of calcium carbonate and calcitriol group; and 2) calcitriol only group...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28857066/hypoparathyroidism
#9
REVIEW
Michael Mannstadt, John P Bilezikian, Rajesh V Thakker, Fadil M Hannan, Bart L Clarke, Lars Reijnmark, Deborah M Mitchell, Tamara J Vokes, Karen K Winer, Dolores M Shoback
Hypoparathyroidism is a disease characterized by inadequately low circulating concentrations of parathyroid hormone (PTH) resulting in low calcium levels and increased phosphate levels in the blood. Symptoms of the disease result from increased neuromuscular irritability caused by hypocalcaemia and include tingling, muscle cramps and seizures. The most common cause of the disease is inadvertent removal of, or injury to, the parathyroid glands during neck surgery, followed by genetic, idiopathic and autoimmune aetiologies...
August 31, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28841848/comparative-efficacy-and-safety-of-paricalcitol-versus-vitamin-d-receptor-activators-for-dialysis-patients-with-secondary-hyperparathyroidism-a-meta-analysis-of-randomized-controlled-trials
#10
Yifeng Xie, Peiling Su, Yifan Sun, Hongsheng Zhang, Rong Zhao, Liang Li, Lanfen Meng
BACKGROUND: Secondary hyperparathyroidism (SHPT) is a severe complication for dialysis patients. Vitamin D receptor activators (VDRAs) are used to treat SHPT, but the comparative efficacy and safety between paricalcitol and other vitamin D receptor activators for management of SHPT in dialysis patients has been unproven. METHODS: We searched PubMed, Embase, and the Cochrane Library for the time period through June 2017 to identify randomized controlled trials that evaluated paricalcitol compared with other VDRAs for treatment of SHPT...
August 25, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28834128/plasma-parathyroid-hormone-and-cardiovascular-disease-in-treatment-naive-patients-with-primary-hyperparathyroidism-the-epath-trial
#11
Julia Wetzel, Stefan Pilz, Martin R Grübler, Astrid Fahrleitner-Pammer, Hans P Dimai, Dirk von Lewinski, Ewald Kolesnik, Sabine Perl, Christian Trummer, Verena Schwetz, Andreas Meinitzer, Evgeny Belyavskiy, Jakob Völkl, Cristiana Catena, Vincent Brandenburg, Winfried März, Burkert Pieske, Helmut Brussee, Andreas Tomaschitz, Nicolas D Verheyen
Patients with primary hyperparathyroidism are at increased risk for high blood pressure, vascular stiffening, and left ventricular hypertrophy, but previous studies have failed to demonstrate the direct associations with circulating parathyroid hormone (PTH) levels. The authors investigated cross-sectional relationships between PTH and 24-hour pulse wave velocity, nocturnal systolic blood pressure, and left ventricular mass index in patients with primary hyperparathyroidism who were treatment-naive with cinacalcet, renin-angiotensin-aldosterone-system inhibitors, and thiazide or loop diuretics...
August 20, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28808443/angiotensin-converting-enzyme-inhibition-and-parathyroid-hormone-secretion
#12
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
#13
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
#14
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
#15
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
#16
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
#17
REVIEW
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...
September 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
#18
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
#19
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
#20
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
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