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Alendronate

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https://www.readbyqxmd.com/read/29438662/alendronate-augments-lipid-a-induced-il-1%C3%AE-release-and-smad3-nlrp3-asc-dependent-cell-death
#1
Riyoko Tamai, Yusuke Kiyoura
Alendronate (ALN) is a nitrogen-containing bisphosphonate (NBP) that inhibits bone resorption. NBPs have inflammatory side effects, and ALN augments bacteria-induced interleukin (IL)-1β production. The present study aimed to examine whether ALN induces pyroptosis, a form of cell death associated with IL-1β release, in macrophage-like J774.1 cells incubated with lipid A, a component of gram-negative bacteria. Pretreatment of J774.1 cells with ALN increased lipid A-induced IL-1β production and cell death, but not IL-6 and TNF-α production...
February 10, 2018: Life Sciences
https://www.readbyqxmd.com/read/29411304/efficacy-of-anti-osteoporotic-medications-in-patients-with-type-1-and-2-diabetes-mellitus-a-systematic-review
#2
REVIEW
Panagiotis Anagnostis, Stavroula A Paschou, Nifon N Gkekas, Aikaterini-Maria Artzouchaltzi, Konstantinos Christou, Dimitrios Stogiannou, Andromachi Vryonidou, Michael Potoupnis, Dimitrios G Goulis
PURPOSE: Both type 1 (T1DM) and type 2 diabetes mellitus (T2DM) have been associated with bone fragility and increased fracture risk. However, little is known regarding the effect of anti-osteoporotic treatment on bone mineral density (BMD) and/or fracture risk in these patients. We aimed to systematically investigate the efficacy of anti-osteoporotic medications in patients with diabetes in comparison with non-diabetic subjects. METHODS: MEDLINE and Scopus databases were searched (up to 31st October 2017)...
February 6, 2018: Endocrine
https://www.readbyqxmd.com/read/29410755/influence-of-the-teaching-program-on-the-learning-in-knowledge-and-practice-of-osteonecrosis-of-the-jaws-produced-by-antireasorptives-in-dental-students-of-the-principality-of-asturias-spain
#3
Matias-Ferrán Escobedo, Luis García-Consuegra, Silvia Gay, Lorena Álvarez, Sonsoles Olay, Giuliano Ascani, Luis Junquera
Background: This study aims to evaluate the influence of changes in the teaching contents on medication-related osteonecrosis of the jaw may have on the knowledge and the capacity for practical case resolution about this pathology. Material and Methods: A cross-sectional descriptive study was conducted through a survey divided into four sections: degree of means of knowledge acquisition, habitual practice and ability to solve clinical cases. The total number of respondents (n = 225) was divided into two groups: Group A (Year 2015-2016) and Group B (Year 2016-2017)...
December 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29388023/effects-of-an-oral-bisphosphonate-and-three-intravenous-bisphosphonates-on-several-cell-types-in-vitro
#4
Junho Jung, Jung Soo Park, Leonardo Righesso, Andreas Max Pabst, Bilal Al-Nawas, Yong-Dae Kwon, Christian Walter
OBJECTIVE: To analyze the influence of an oral bisphosphonate and compare the potency to intravenous bisphosphonates on various cell types as regards the rarity of bisphosphonate-associated osteonecrosis of the jaw (BP-ONJ) caused by oral bisphosphonate. MATERIALS AND METHODS: A viability assay (MTT), a migration assay (Boyden chamber), and an apoptosis assay (Caspase-Glo® 3/7) were performed to analyze the effect of bisphosphonates on human fibroblasts, umbilical vein endothelial cells (HUVEC), and osteoblasts...
February 1, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29386866/osteoporosis-a-review-of-treatment-options
#5
Kristie N Tu, Janette D Lie, Chew King Victoria Wan, Madison Cameron, Alaina G Austel, Jenny K Nguyen, Kevin Van, Diana Hyun
Approximately 10 million men and women in the U.S. have osteoporosis,1 a metabolic bone disease characterized by low bone density and deterioration of bone architecture that increase the risk of fractures.2 Osteoporosis-related fractures can increase pain, disability, nursing home placement, total health care costs, and mortality.3 The diagnosis of osteoporosis is primarily determined by measuring bone mineral density (BMD) using noninvasive dual-energy x-ray absorptiometry. Osteoporosis medications include bisphosphonates, receptor activator of nuclear factor kappa-B ligand inhibitors, estrogen agonists/antagonists, parathyroid hormone analogues, and calcitonin...
February 2018: P & T: a Peer-reviewed Journal for Formulary Management
https://www.readbyqxmd.com/read/29384878/extracorporeal-shock-wave-treatment-can-normalize-painful-bone-marrow-edema-in-knee-osteoarthritis-a-comparative-historical-cohort-study
#6
Shuhua Kang, Fuqiang Gao, Jun Han, Tianli Mao, Wei Sun, Bailiang Wang, Wanshou Guo, Liming Cheng, Zirong Li
Bone marrow edema (BME) represents a reversible but highly painful finding in magnetic resonance imaging (MRI) of patients with knee osteoarthritis. The aim of this retrospective study was to evaluate the efficacy of extracorporeal shock wave treatment (ESWT) on painful BME in osteoarthritis of the knee.This study focuses on people who had early-to-mid stage osteoarthritis with knee pain and MRI findings of BME. Patients who underwent ESWT treatment or prescribed alendronate treatment in our department were analyzed...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29376757/bone-targeting-dendrimer-for-the-delivery-of-methotrexate-and-treatment-of-bone-metastasis
#7
Shugo Yamashita, Hidemasa Katsumi, Toshiyasu Sakane, Akira Yamamoto
We developed a bone-targeting dendrimer for the delivery of anti-tumor agents and effective treatment of bone metastasis, in which alendronate (ALN), a bone-targeting moiety, is covalently bonded to a polyethylene glycol (PEG)-conjugated polyamidoamine (PAMAM) dendrimer (PEG-PAMAM-ALN). Approximately 7.0% and 21.9% of the administered doses of [111In]PAMAM and PEG-PAMAM-ALN accumulated in the bones within 180 min after intravenous injection in mice, respectively. [3H]-labeled methotrexate (MTX) rapidly disappeared from the blood, and bone distribution was found to be only 1...
January 29, 2018: Journal of Drug Targeting
https://www.readbyqxmd.com/read/29376607/-idiopathic-hypercalciuria-diagnosis-and-treatment
#8
Yu V Olefir, A N Yavorskii, D V Butnaru, O V Shatalova, V S Gorbatenko, A S Gerasimenko
Most patients with idiopathic hypercalciuria and calcium nephrolithiasis have a family history of the disease. Idiopathic hypercalciuria is a metabolic abnormality with various causes and developmental pathways. The systematic review describes specific mutations associated with idiopathic hypercalciuria and nephrolithiasis. Detection of these mutations may provide a better understanding of the pathogenesis of this heterogeneous disease and personalize patient management depending on the detected polymorphisms...
December 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/29375681/alendronate-promotes-osteoblast-differentiation-and-bone-formation-in-ovariectomy-induced-osteoporosis-through-interferon-%C3%AE-signal-transducer-and-activator-of-transcription-1-pathway
#9
Xiaoqing Ma, Zhongyang Xu, Shaofeng Ding, Guangkun Yi, Qian Wang
Alendronate is commonly used for the treatment of postmenopausal osteoporosis; however, the underlying pathological molecular mechanisms of its action remain unclear. In the present study, the alendronate-treated signaling pathway in bone metabolism in rats with ovariectomy induced by osteoporosis was investigated. Rats with osteoporosis were orally administered alendronate or phosphate-buffered saline (control). In addition, the interferon-β (IFN-β)/signal transducer and activator of transcription 1 (STAT1) signaling pathway was investigated in osteoblasts following treatment with alendronate in vitro and in vivo...
January 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29344807/inhibition-of-bone-resorption-by-bisphosphonates-interferes-with-orthodontically-induced-midpalatal-suture-expansion-in-mice
#10
Till Koehne, Bärbel Kahl-Nieke, Michael Amling, Heike Korbmacher-Steiner
OBJECTIVES: Craniofacial sutures are important growth sites for skull development and are sensitive to mechanical stress. In order to determine the role of bone resorption in stress-mediated sutural bone growth, midpalatal suture expansion was performed in mice receiving alendronate, an anti-resorptive bisphosphonate. MATERIALS AND METHODS: The midpalatal sutures of 8-week-old C57BL/6 mice were expanded by orthodontic wires over the period of 2 weeks. Mice with maxillary expansion without drug treatment as well as untreated animals served as controls...
January 18, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29335715/in-postmenopausal-women-with-osteoporosis-romosozumab-followed-by-alendronate-reduced-fractures-vs-alendronate-alone
#11
Calvin Hirsch
No abstract text is available yet for this article.
January 16, 2018: Annals of Internal Medicine
https://www.readbyqxmd.com/read/29309350/diagnosis-and-treatment-of-gorham-stout-disease-in-maxillofacial-regions
#12
Luyao Qu, Xieyi Cai, Baoli Wang
PURPOSE: This study was aimed to investigate the clinical features, imaging examination, and treatment of the patients with Gorham-Stout disease (GSD) in maxillofacial region, so as to improve the understanding of GSD. METHODS: The medical records of the patients with GSD who were referred to Shanghai Ninth People's Hospital from January 2010 to May 2016 were reviewed. Their ages, lesion location, imaging results, laboratory examination results, treatment, and therapeutic effects were analyzed...
January 5, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29305866/novel-and-rapid-osteoporosis-model-established-in-zebrafish-using-high-iron-stress
#13
Wenjuan Zhang, Jingjin Xu, Juhui Qiu, Cencan Xing, Xiumin Li, Bo Leng, Yi Su, Jinmei Lin, Jiaofen Lin, Xuqiao Mei, Yiqun Huang, Yutian Pan, Yu Xue
Osteoporosis is a global public health concern and, it can result from numerous pathogenic mechanisms, many of which are closely related with age, nutritional disorders, endocrine imbalance, or adverse drug side effects presented by glucocorticoids, heparin, and anti-epileptics. Given its wide range etiologies, it is crucial to establish an animal model of osteoporosis for use in screening potential drugs quickly and effectively. Previous research has reported that an accumulation of elevated iron in the body is an independent risk factor for osteoporosis...
January 3, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29303005/bone-targeted-methotrexate-alendronate-conjugate-inhibits-osteoclastogenesis-in-vitro-and-prevents-bone-loss-and-inflammation-of-collagen-induced-arthritis-in-vivo
#14
Zi'ang Xie, Guanxiong Liu, Pan Tang, Xuewu Sun, Shuai Chen, An Qin, Peizhi Zhu, Jianfeng Zhang, Shunwu Fan
Rheumatoid arthritis (RA), a disease that causes joint destruction and bone erosion, is related to osteoclast activity. RA is generally treated with methotrexate (MTX). In this study, a MTX-Alendronate (ALN) conjugate was synthesized and characterized. The conjugate dramatically inhibited osteoclast formation and bone resorption compared with MTX and ALN used alone or in combination. Due to the characteristics of ALN, the MTX-ALN conjugate can adhere to the exposed bone surface and enhance drug accumulation in the pathological region for targeted therapy against osteoclastogenesis...
November 2018: Drug Delivery
https://www.readbyqxmd.com/read/29277680/liposome-induced-immunosuppression-and-tumor-growth-is-mediated-by-macrophages-and-mitigated-by-liposome-encapsulated-alendronate
#15
Robin Rajan, Manoj K Sabnani, Vikram Mavinkurve, Hilary Shmeeda, Hossein Mansouri, Sandrine Bonkoungou, Alexander D Le, Laurence M Wood, Alberto A Gabizon, Ninh M La-Beck
Liposomal nanoparticles are the most commonly used drug nano-delivery platforms. However, recent reports show that certain pegylated liposomal nanoparticles (PLNs) and polymeric nanoparticles have the potential to enhance tumor growth and inhibit antitumor immunity in murine cancer models. We sought herein to identify the mechanisms and determine whether PLN-associated immunosuppression and tumor growth can be reversed using alendronate, an immune modulatory drug. By conducting in vivo and ex vivo experiments with the immunocompetent TC-1 murine tumor model, we found that macrophages were the primary cells that internalized PLN in the tumor microenvironment and that PLN-induced tumor growth was dependent on macrophages...
December 22, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29260291/a-dedicated-fracture-liaison-service-telephone-program-and-use-of-bone-turnover-markers-for-evaluating-1-year-persistence-with-oral-bisphosphonates
#16
P van den Berg, P M M van Haard, E van der Veer, P P Geusens, J P van den Bergh, D H Schweitzer
Telephone call intervention did not improve alendronate persistence in Fracture Liaison Service (FLS) patients in this study. A bone turnover marker cut-off point for alendronate persistence is proposed for individual FLS patients. INTRODUCTION: FLS aims to prevent subsequent fractures, which should include improving patients' persistence with prescribed oral bisphosphonates. We studied the influence of telephone calls and the predictive value of changes in bone turnover markers (BTMs) for evaluating persistence with alendronate...
December 19, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/29251010/effect-of-a-sequential-treatment-combining-abaloparatide-and-alendronate-for-the-management-of-postmenopausal-osteoporosis
#17
J Y Reginster, Nasser Al Daghri, Jean-Marc Kaufman, Olivier Bruyère
The recently published results of the sequential treatment of postmenopausal osteoporotic women with subcutaneous abaloparatide (80 µg/day) (ABL) for 18 months followed by 6 months of oral alendronate (70 mg/week) (ALN) support the administration of an anti-resorptive agent after completion of a treatment course with an osteoanabolic agent. The ABL/ALN sequence resulted in greater bone mineral density gains at all skeletal sites and in a reduction of vertebral, non-vertebral, major and clinical fractures compared to what is observed after 18 months of placebo followed by 6 months of ALN...
December 22, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/29250504/acetabular-insufficiency-fracture-following-prolonged-alendronate-use-and-the-failure-of-total-hip-arthroplasty-in-frozen-bone-two-cases-report
#18
Sang-Joon Kwak, Yoon-Je Cho, Gwang-Young Jung, Joo-Hyun Lee, Young-Soo Chun, Kee-Hyung Rhyu
Atypical insufficiency fracture of the femur following prolonged bisphosphonate use is well described. Regardless of the cause, insufficiency fracture of the acetabulum is extremely rare, and no reports have described insufficiency fractures of the acetabulum that are associated with prolonged bisphosphonate use. This report demonstrates the possibility of insufficiency fracture at the acetabulum following long-term alendronate use and the necessity of particular care in managing insufficiency fractures in "frozen" bone...
December 2017: Hip & Pelvis
https://www.readbyqxmd.com/read/29247623/effect-of-alendronate-on-bone-microarchitecture-in-irradiated-rats-with-osteoporosis-micro-ct-and-histomorphometric-analysis
#19
Carolina Cintra Gomes, Deborah Queiroz Freitas, Amanda Maria Medeiros Araújo, Laura Ricardina Ramírez-Sotelo, Fernanda Paula Yamamoto-Silva, Brunno Santos de Freitas Silva, Débora de Melo Távora, Solange Maria Almeida
PURPOSE: The aim of the present study was to evaluate the effect of alendronate (ALN) on the bone microarchitecture of irradiated rats with estrogen deficiency, using microcomputed tomography (micro-CT) and histomorphometric analysis. MATERIALS AND METHODS: Forty adult Wistar rats were subjected to ovariectomy and randomly divided into the following groups: control (CON), ALN, irradiated (IRR), and ALN/irradiated (ALN/IRR). Approximately 50 days after ovariectomy, the hind limbs of the rats in the IRR and ALN/IRR groups were irradiated with 15 Gy of x-radiation...
November 23, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29246529/teriparatide-treatment-in-an-adult-patient-with-hypophosphatasia-exposed-to-bisphosphonate-and-revealed-by-bilateral-atypical-fractures
#20
Morgane Righetti, Jean Wach, Romain Desmarchelier, Fabienne Coury
Atypical femoral fractures are defined as atraumatic fractures located in the subtrochanteric region or femoral shaft. They have been mainly reported in patients taking bisphosphonates. We report the case of a 67-year-old female with osteoporosis treated by alendronate during ten years. Radiographies showed atypical femoral fractures. Serum levels of total and bone-specific alkaline phosphatase were low. In order to accelerate bone healing, teriparatide was introduced. After one year of teriparatide treatment, pain and functional difficulty have decreased, and alkaline phosphatase levels were normalized...
December 12, 2017: Joint, Bone, Spine: Revue du Rhumatisme
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