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Octreotide diabetes

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https://www.readbyqxmd.com/read/29688432/glucagonoma-with-necrolytic-migratory-erythema-metabolic-profile-and-detection-of-biallelic-inactivation-of-daxx-gene
#1
Ai Tamura, Tatsuki Ogasawara, Yoichi Fujii, Hiyori Kaneko, Akitoshi Nakayama, Seiichiro Higuchi, Naoko Hashimoto, Yui Miyabayashi, Masanori Fujimoto, Eri Komai, Takashi Kono, Ikki Sakuma, Hidekazu Nagano, Sawako Suzuki, Hisashi Koide, Koutaro Yokote, Kozue Iseki, Rena Oguma, Hiroyuki Matsue, Hiroyuki Nojima, Kensuke Sugiura, Hideyuki Yoshitomi, Masayuki Ohtsuka, Bahityar Rahmutulla, Atsushi Kaneda, Naoko Inoshita, Seishi Ogawa, Tomoaki Tanaka
Context: Necrolytic migratory erythema (NME) occurs in approximately 70% of patients with glucagonoma syndrome. Excessive stimulation of metabolic pathways by hyperglucagonemia, which leads to hypoaminoacidemia, contributes to NME pathogenesis. However, the molecular pathogenesis of glucagonoma and relationships between metabolic abnormalities and clinical symptoms remain unclear. Case description: A 53-year-old woman was referred to our hospital with a generalized rash and weight loss...
April 23, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29655834/metformin-use-associates-with-longer-progression-free-survival-of-patients-with-diabetes-and-pancreatic-neuroendocrine-tumors-receiving-everolimus-and-or-somatostatin-analogues
#2
Sara Pusceddu, Claudio Vernieri, Massimo Di Maio, Riccardo Marconcini, Francesca Spada, Sara Massironi, Toni Ibrahim, Maria Pia Brizzi, Davide Campana, Antongiulio Faggiano, Dario Giuffrida, Maria Rinzivillo, Sara Cingarlini, Francesca Aroldi, Lorenzo Antonuzzo, Rossana Berardi, Laura Catena, Chiara De Divitiis, Paola Ermacora, Vittorio Perfetti, Annalisa Fontana, Paola Razzore, Carlo Carnaghi, Maria Vittoria Davì, Carolina Cauchi, Marilina Duro, Sergio Ricci, Nicola Fazio, Federica Cavalcoli, Alberto Bongiovanni, Anna La Salvia, Nicole Brighi, Annamaria Colao, Ivana Puliafito, Francesco Panzuto, Silvia Ortolani, Alberto Zaniboni, Francesco Di Costanzo, Mariangela Torniai, Emilio Bajetta, Salvatore Tafuto, Silvio Ken Garattini, Daniela Femia, Natalie Prinzi, Laura Concas, Giuseppe Lo Russo, Massimo Milione, Luca Giacomelli, Roberto Buzzoni, Gianfranco Delle Fave, Vincenzo Mazzaferro, Filippo de Braud
BACKGROUND & AIMS: Metformin seems to have anti-cancer effects. However, it is not clear whether use of glycemia and metformin affect outcomes of patients with advanced pancreatic neuroendocrine tumors (pNETs). We investigated the association between glycemia and progression-free survival (PFS) of patients with NETs treated with everolimus and/or somatostatin analogues, as well as the association between metformin use and PFS time. METHODS: We performed a retrospective analysis of 445 patients with advanced pNET treated at 24 medical centers in Italy, from 1999 through 2015...
April 12, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29563895/novel-somatostatin-receptor-ligands-therapies-for-acromegaly
#3
REVIEW
Rosa Maria Paragliola, Roberto Salvatori
Surgery is considered the treatment of choice in acromegaly, but patients with persistent disease after surgery or in whom surgery cannot be considered require medical therapy. Somatostatin receptor ligands (SRLs) octreotide (OCT), lanreotide, and the more recently approved pasireotide, characterized by a broader receptor ligand binding profile, are considered the mainstay in the medical management of acromegaly. However, in the attempt to offer a more efficacious and better tolerated medical approach, recent research has been aimed to override some limitations related to the use of currently approved drugs and novel SRLs therapies, with potential attractive features, have been proposed...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29373734/long-term-testosterone-administration-on-insulin-sensitivity-in-older-men-with-low-or-low-normal-testosterone-levels
#4
Grace Huang, Karol M Pencina, Zhuoying Li, Shehzad Basaria, Shalender Bhasin, Thomas G Travison, Thomas W Storer, S Mitchell Harman, Panayiotis Tsitouras
Background: Serum testosterone levels and insulin sensitivity both decrease with age. Severe testosterone deficiency is associated with the development of insulin resistance. However, the effects of long-term testosterone administration on insulin sensitivity in older men with low or low-normal testosterone levels remain unknown. Methods: The Testosterone Effects on Atherosclerosis in Aging Men Trial was a placebo-controlled, randomized, double-blind trial. The participants were 308 community-dwelling men, >60-years, with total testosterone 100-400ng/dL or free testosterone<50pg/mL...
January 24, 2018: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29202888/octreotide-for-the-treatment-of-intentional-insulin-aspart-overdose-in-a-non-diabetic-patient
#5
Catherine M Dewaal, Eric McGillis, Matt Mink, Scott Lucyk
Intentional insulin overdose may lead to severe and refractory hypoglycemia. Exogenous dextrose administration is the mainstay of therapy for these patients and is effective in most cases. However, in patients with a functional pancreas, exogenous dextrose administration may precipitate endogenous insulin release leading to rebound hypoglycemia. We describe a case report of a 41-year-old woman who injected 300 units of insulin aspart with suicidal intent. Her initial blood glucose was 2.3 mmol/L (41 mg/dL)...
December 5, 2017: CJEM
https://www.readbyqxmd.com/read/29116540/long-term-safety-of-long-acting-octreotide-in-patients-with-diabetic-retinopathy-results-of-pooled-data-from-2-randomized-double-blind-placebo-controlled-phase-3-studies
#6
Rosario Pivonello, Giovanna Muscogiuri, Geoffrey Holder, Michaela Paul, Severine Sarp, Anastasia Lesogor, Pierre Jordaan, Johannes Eisinger, Annamaria Colao
PURPOSE: Octreotide (OCT) has been successfully used for treatment of acromegaly and neuroendocrine tumors for more than 30 years. However, long-term safety of OCT has not been documented in placebo-controlled setting. This present analysis pooled safety data from two similarly-designed, randomized, and placebo-controlled studies to evaluate long-term safety of long-acting OCT (20, 30 mg); targeted post-hoc analyzes focused on cardiac, hepatic, and renal safety. METHODS: Two studies (NCT00131144, NCT001308450) were conducted in patients with diabetic retinopathy (OCT20 = 191, OCT30 = 348, placebo = 347)...
November 7, 2017: Endocrine
https://www.readbyqxmd.com/read/29093373/-function-of-perivascular-nerves-in-insulin-resistance-induced-hypertension
#7
REVIEW
Shingo Takatori
 Many patients with type 2 diabetes mellitus develop hypertension, although the actual mechanism remains unknown. To clarify possible mechanisms of hypertension development in diabetes, this study investigated the acute or chronic influence of hyperinsulinemia and/or hyperglycemia on the function of perivascular nerves, which play a critical role in vascular tone regulation. Acute hyperinsulinemia in euglycemic pithed rats, which had no autonomic flow, significantly augmented adrenergic nerve-mediated pressor responses and inhibited calcitonin gene-related peptide (CGRP)-containing (CGRPergic) nerve-mediated depressor responses...
2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/28970178/autophagy-mediated-neuroprotection-induced-by-octreotide-in-an-ex-vivo-model-of-early-diabetic-retinopathy
#8
Rosario Amato, Elisabetta Catalani, Massimo Dal Monte, Maurizio Cammalleri, Ilaria Di Renzo, Cristiana Perrotta, Davide Cervia, Giovanni Casini
Neuronal injury plays a major role in diabetic retinopathy (DR). Our hypothesis was that the balance between neuronal death and survival may depend on a similar equilibrium between apoptosis and autophagy and that a neuroprotectant may act by influencing this equilibrium. Ex vivo mouse retinal explants were treated with high glucose (HG) for 10days and the somatostatin analog octreotide (OCT) was used as a neuroprotectant. Chloroquine (CQ) was used as an autophagy inhibitor. Apoptotic and autophagic markers were evaluated using western blot and immunohistochemistry...
September 29, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28943578/suppression-of-extrapancreatic-glucagon-by-octreotide-may-reduce-the-fasting-and-postprandial-glucose-levels-in-a-diabetic-patient-after-total-pancreatectomy
#9
Hideyuki Okuma, Ryotaro Bouchi, Seizaburo Masuda, Takato Takeuchi, Masanori Murakami, Isao Minami, Hajime Izumiyama, Koshi Hashimoto, Takanobu Yoshimoto, Yoshihiro Ogawa
A 52-year-old woman was treated with sensor augmented pump therapy after undergoing total pancreatectomy for a nonfunctional pancreatic neuroendocrine tumor (NET). The secretion of both endogenous insulin and pancreatic glucagon were completely depleted. Octreotide long acting repeatable (Oct-LAR) was administered for the treatment of liver metastasis of NET. Both the fasting and postprandial glucagon levels decreased immediately after the administration of Oct-LAR. In a continuous glucose monitoring analysis, episodes of nocturnal hypoglycemia was found to increase and an improvement of postprandial hyperglycemia was observed...
November 15, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28822091/effect-of-ap102-a-subtype-2-and-5-specific-somatostatin-analog-on-glucose-metabolism-in-rats
#10
Erika Tarasco, Petra Seebeck, Svende Pfundstein, Adrian F Daly, Philippe J Eugster, Alan G Harris, Eric Grouzmann, Thomas A Lutz, Christina N Boyle
PURPOSE: Somatostatin analogs are widely used to treat conditions associated with hormonal hypersecretion such as acromegaly and metastatic neuroendocrine tumors. First generation somatostatin analogs, such as octreotide and lanreotide, have high affinity for somatostatin receptor subtype 2 (SSTR2), but have incomplete efficacy in many patients. Pasireotide targets multiple SSTRs, having the highest affinity for SSTR5, but causes hyperglycemia and diabetes mellitus in preclinical and clinical studies...
October 2017: Endocrine
https://www.readbyqxmd.com/read/28567297/pasireotide-in-an-insulin-requiring-diabetic-acromegalic-patient-without-worsening-of-hyperglycemia
#11
Murray B Gordon, Kellie L Spiller
Long-acting pasireotide is an effective treatment option for acromegaly, but it is associated with hyperglycemia, which could impact its use in patients with diabetes. We present a case of a 53-year-old man with acromegaly and type 2 diabetes mellitus (glycated hemoglobin (HbA1c): 7.5%), who refused surgery to remove a pituitary macroadenoma and enrolled in a Phase 3 clinical trial comparing long-acting pasireotide and long-acting octreotide in acromegalic patients. The patient initially received octreotide, but insulin-like growth factor 1 (IGF-1) levels remained elevated after 12 months (383...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28540043/prescription-patterns-of-long-acting-somatostatin-analogues
#12
Jorge Enrique Machado-Alba, Manuel Enrique Machado-Duque
BACKGROUND: Acromegaly and endocrine tumors are uncommon morbidities that are currently treated with different drugs. OBJECTIVE: To determine the prescription patterns of somatostatin analogues in patients affiliated with the Health System of Colombia. METHODS: Retrospective cohort study of patients of any age and sex treated with octreotide or lanreotide between January 2011 and August 2015. Socio-demographic, clinical (indications) and pharmacological (comedications) variables were considered...
2017: SAGE Open Medicine
https://www.readbyqxmd.com/read/28298641/risk-factors-of-postoperative-pancreatic-fistula-in-patients-after-distal-pancreatectomy-a-systematic-review-and-meta-analysis
#13
Yun-Peng Peng, Xiao-Le Zhu, Ling-Di Yin, Yi Zhu, Ji-Shu Wei, Jun-Li Wu, Yi Miao
Postoperative pancreatic fistula (POPF) is a common complication following distal pancreatectomy (DP). However, the risk factors of this complication in patients after DP still remain controversial. The aim of our study is to estimate the association between potential risk factors and POPF. Relevant articles published up to June 21, 2016 were identified via PubMed, EMBASE, Web of Science, and The Cochrane Library. Studies that examined the risk factors of POPF following DP were enrolled. 20 articles (2070 patients) were finally included in this study...
March 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28249248/neuroprotective-effects-of-octreotide-on-diabetic-neuropathy-in-rats
#14
Volkan Solmaz, Bilge Piri Çınar, Gürkan Yiğittürk, Hatice Köse Özlece, Hüseyin Avni Eroglu, Aslan Tekatas, Oytun Erbaş, Dilek Taşkıran
The purpose of the present study is to investigate the possible healing effects of octreotide (OCT) on motor performance, electrophysiological and histopathological findings of diabetic neuropathy in a rat model of diabetes mellitus (DM). To induce diabetes, rats were administered a single dose (60mg/kg) of streptozotocin (STZ). Diabetic rats were treated either with saline (1ml/kg/day, n=7) or OCT (0.1mg/kg/day, n=7) for four weeks. Seven rats served as control group and received no treatment. At the end of the study, electromyography (EMG), gross motor function (inclined plate test), general histology and the perineural thickness of sciatic nerve were evaluated...
May 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27928440/a-rare-case-of-metastasized-non-functional-pancreatic-neuroendocrine-tumor-with-a-good-long-term-survival
#15
A Mirică, I A Bădărău, R Mirică, S Păun, D L Păun
Background: Non-functional neuroendocrine tumors of the pancreas (NF-pNETs) are a varied group of extremely rare malignancies. The majority of patients already have liver metastases at the diagnosis moment, thus, treatment options are restricted, and the survival rate is reserved. Case report: We presented the case of 59-year-old patient, diagnosed with non-functional well-differentiated pancreatic neuroendocrine tumor grade II (NET G2) with the presence of chromogranin A, synaptophysin and somatostatin receptor 2, together with liver and bone metastases...
October 2016: Journal of Medicine and Life
https://www.readbyqxmd.com/read/27910739/overview-on-therapeutic-applications-of-microparticulate-drug-delivery-systems
#16
REVIEW
Swarna Bale, Amit Khurana, A Shiva Shankar Reddy, Mandip Singh, Chandraiah Godugu
Research in novel drug delivery systems is being explored competitively in order to attain maximum therapeutic effect while minimizing the adverse effects. Despite several advancements in pharmaceutical formulations, one of the major challenges still persisting is sustained drug release. Microencapsulation enacts as an intelligent approach with a strong therapeutic impact and is in demand globally in medical technology due to its specific and attractive properties, including biocompatibility, stability, target specificity, uniform encapsulation, better compliance, and controlled and sustained release patterns that are responsible for diminishing the toxicity and dosage frequency...
2016: Critical Reviews in Therapeutic Drug Carrier Systems
https://www.readbyqxmd.com/read/27802864/glucokinase-mutation-a-rare-cause-of-recurrent-hypoglycemia-in-adults-a-case-report-and-literature-review
#17
Oluremi N Ajala, David M Huffman, Ibrahim I Ghobrial
BACKGROUND: Hypoglycemia occurs frequently in patients both in the inpatient and outpatient settings. While most hypoglycemia unrelated to diabetes treatment results from excessive endogenous insulin action, rare cases involve functional and congenital mutations in glycolytic enzymes of insulin regulation. CASE: A 21-year-old obese woman presented to the emergency department with complaints of repeated episodes of lethargy, syncope, dizziness, and sweating. She was referred from an outside facility on suspicion of insulinoma, with severe hypoglycemia unresponsive to repeated dextrose infusions...
2016: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/27775943/physiological-uptake-in-the-pancreatic-head-on-somatostatin-receptor-scintigraphy-using-111in-dtpa-octreotide-incidence-and-mechanism
#18
Tessa Brabander, Jaap Teunissen, Dik Kwekkeboom
PURPOSE: Physiological uptake in the uncinate process or pancreatic head has been described with Ga-labeled PET tracers for somatostatin receptor imaging. In-DTPA-octreotide is the only registered radiopharmaceutical for the imaging of neuroendocrine tumors. We studied the uptake in this region of the pancreatic head on somatostatin receptor scintigraphy (SRS) using In-DTPA-octreotide in a large group of patients. Furthermore, known physiological and clinical characteristics are discussed in an attempt to elucidate this phenomenon...
January 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27633684/peptide-therapeutics-and-the-pharmaceutical-industry-barriers-encountered-translating-from-the-laboratory-to-patients
#19
REVIEW
John Rafferty, Hema Nagaraj, Alice P McCloskey, Rawan Huwaitat, Simon Porter, Alyaa Albadr, Garry Laverty
Peptides are receiving increasing interest as clinical therapeutics. These highly tunable molecules can be tailored to achieve desirable biocompatibility and biodegradability with simultaneously selective and potent therapeutic effects. Despite challenges regarding up-scaling and licensing of peptide products, their vast clinical potential is reflected in the 60 plus peptide-based therapeutics already on the market, and the further 500 derivatives currently in developmental stages. Peptides are proving effective for a multitude of disease states including: type 2 diabetes (controlled using the licensed glucagon-like peptide-1 receptor liraglutide); irritable bowel syndrome managed with linaclotide (currently at approval stages); acromegaly (treated with octapeptide somatostatin analogues lanreotide and octreotide); selective or broad spectrum microbicidal agents such as the Gram-positive selective PTP-7 and antifungal heliomicin; anticancer agents including goserelin used as either adjuvant or monotherapy for prostate and breast cancer, and the first marketed peptide derived vaccine against prostate cancer, sipuleucel-T...
2016: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/27286364/vegf-as-a-survival-factor-in-ex-vivo-models-of-early-diabetic-retinopathy
#20
Rosario Amato, Martina Biagioni, Maurizio Cammalleri, Massimo Dal Monte, Giovanni Casini
PURPOSE: Growing evidence indicates neuroprotection as a therapeutic target in diabetic retinopathy (DR). We tested the hypothesis that VEGF is released and acts as a survival factor in the retina in early DR. METHODS: Ex vivo mouse retinal explants were exposed to stressors similar to those characterizing DR, that is, high glucose (HG), oxidative stress (OS), or advanced glycation end-products (AGE). Neuroprotection was provided using octreotide (OCT), a somatostatin analog, and pituitary adenylate cyclase activating peptide (PACAP), two well-documented neuroprotectants...
June 1, 2016: Investigative Ophthalmology & Visual Science
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