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https://www.readbyqxmd.com/read/28645075/a-prospective-follow-up-study-of-younger-and-older-subjects-with-pathological-gambling
#1
Donald W Black, William Coryell, Brett McCormick, Martha Shaw, Jeff Allen
Pathological gambling (PG) is a common and costly public health problem associated with impaired quality of life and high suicide rates. Despite its frequency in the general population, PG course is poorly understood in older adults who are especially vulnerable to its devastating consequences. We enrolled 175 subjects in a longitudinal study of gambling behavior: our case group of 53 older adults with PG (≥ 60 years), and two comparison groups including 72 younger adults with PG (< 40 years) and 50 older adults without PG (≥ 60 years)...
June 13, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28644837/real-world-first-line-treatment-and-overall-survival-in-non-small-cell-lung-cancer-without-known-egfr-mutations-or-alk-rearrangements-in-us-community-oncology-setting
#2
Amy P Abernethy, Ashwini Arunachalam, Thomas Burke, Caroline McKay, Xiting Cao, Rachael Sorg, David P Carbone
PURPOSE: To establish a baseline for care and overall survival (OS) based upon contemporary first-line treatments prescribed in the era before the introduction of immune checkpoint inhibitors, for people with metastatic non-small cell lung cancer (NSCLC) without common actionable mutations. METHODS: Using a nationally representative electronic health record data from the Flatiron dataset which included 162 practices from different regions in US, we identified patients (≥18 years old) newly diagnosed with stage IV NSCLC initiating first-line anticancer therapy (November 2012- January 2015, with follow-up through July 2015)...
2017: PloS One
https://www.readbyqxmd.com/read/28644630/expanding-the-therapeutic-potential-of-the-iron-chelator-deferasirox-in-the-development-of-aqueous-stable-ti-iv-anticancer-complexes
#3
Sergio A Loza-Rosas, Alexandra M Vázquez-Salgado, Kennett I Rivero, Lenny J Negrón, Yamixa Delgado, Josué A Benjamín-Rivera, Angel L Vázquez-Maldonado, Timothy B Parks, Charlene Munet-Colón, Arthur D Tinoco
The recent X-ray structure of titanium(IV)-bound human serum transferrin (STf) exhibiting citrate as a synergistic anion reveals a difference in Ti(IV) coordination versus iron(III), the metal endogenously delivered by the protein to cells. This finding enriches our bioinspired drug design strategy for Ti(IV)-based anticancer therapeutics, which applies a family of Fe(III) chelators termed chemical transferrin mimetic (cTfm) ligands to inhibit Fe bioavailability in cancer cells. Deferasirox, a drug used for iron overload disease, is a cTfm ligand that models STf coordination to Fe(III), favoring Fe(III) binding versus Ti(IV)...
June 23, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28644007/cyclotides-as-tools-in-chemical-biology
#4
Simon J de Veer, Joachim Weidmann, David J Craik
Among the various molecules that plants produce for defense against pests and pathogens, cyclotides stand out as exceptionally stable and structurally unique. These ribosomally synthesized peptides are around 30 amino acids in size, and are stabilized by a head-to-tail cyclic peptide backbone and three disulfide bonds that form a cystine knot. They occur in certain plants of the Rubiaceae, Violaceae, Cucurbitaceae, Fabaceae, and Solanaceae families, with an individual plant producing up to hundreds of different cyclotides...
June 23, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28642283/selective-inhibition-of-trigeminovascular-neurons-by-fremanezumab-a-humanized-monoclonal-anti-cgrp-antibody
#5
Agustin Melo-Carrillo, Rodrigo Noseda, Rony Nir, Aaron Schain, Jennifer Stratton, Andrew M Strassman, Rami Burstein
A large body of evidence supports an important role for CGRP in migraine pathophysiology. This evidence gave rise to a global effort to develop a new generation of therapeutics that inhibit the interaction of CGRP with its receptor in migraineurs. Recently, a new class of such drugs, humanized monoclonal anti-CGRP antibodies (CGRP-mAb) were found to be effective in reducing the frequency of migraine. The purpose of this study was to better understand how the CGRP-mAb fremanezumab (TEV-48125) modulates meningeal sensory pathways...
June 22, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28642232/a-single-amino-acid-residue-at-transmembrane-domain-4-of-the-alpha-subunit-influences-carisoprodol-direct-gating-efficacy-at-gabaa-receptors
#6
Manoj Kumar, Manish Kumar, John Freund, Glenn H Dillon
The muscle relaxant carisoprodol (CSP, trade name Soma) has recently been controlled at the federal level as a Schedule IV drug due to its high abuse potential and consequences of misuse, such as withdrawal syndrome, delusions, seizures and even death. Recent work has shown that carisoprodol can directly gate and allosterically modulate the GABAA receptor. These actions are subunit-dependent; compared to other GABAA receptors, carisoprodol has nominal direct gating effects in α3β2γ2receptors. Here, using site-directed-mutagenesis and whole cell patch clamp electrophysiology in transiently transfected HEK293 cells, we examined the role of GABAA receptor α subunit transmembrane domain 4 (TM4) amino acids in direct gating and allosteric modulatory actions of carisoprodol...
June 22, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28640990/opiate-antagonists-do-not-interfere-with-the-clinical-benefits-of-stimulants-in-adhd-a-double-blind-placebo-controlled-trial-of-the-mixed-opioid-receptor-antagonist-naltrexone
#7
Thomas J Spencer, Pradeep Bhide, Jinmin Zhu, Stephen V Faraone, Maura Fitzgerald, Amy M Yule, Mai Uchida, Andrea E Spencer, Anna M Hall, Ariana J Koster, Joseph Biederman
OBJECTIVE: Methylphenidate activates μ-opioid receptors, which are linked to euphoria. μ-Opioid antagonists, such as naltrexone, may attenuate the euphoric effects of stimulants, thereby minimizing their abuse potential. This study assessed whether the combination of naltrexone with methylphenidate is well-tolerated while preserving the clinical benefits of stimulants in subjects with attention-deficit/hyperactivity disorder (ADHD). METHODS: We conducted a 6-week, double-blind, placebo-controlled, randomized clinical trial of naltrexone in adults with DSM-IV ADHD receiving open treatment with a long-acting formulation of methylphenidate from January 2013 to July 2015...
June 20, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28640312/speciation-in-human-blood-of-metvan-a-vanadium-based-potential-anti-tumor-drug
#8
Daniele Sanna, Valeria Ugone, Giovanni Micera, Péter Buglyó, Linda Bíró, Eugenio Garribba
The first report on the anti-cancer activity of the compound Metvan, [V(IV)O(Me2phen)2(SO4)], where Me2phen is 4,7-dimethyl-1,10-phenanthroline, dates back to 2001. Although it was immediately identified as one of the most promising multitargeted anti-cancer V compounds, no development on the medical experimentation was carried out. One of the possible reasons is the lack of information on its speciation in aqueous solution and its thermodynamic stability, factors which influence the transport in the blood and the final form which reaches the target organs...
June 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28638303/the-use-of-gabapentin-for-pain-and-agitation-in-neonates-and-infants-in-a-neonatal-icu
#9
Gretchen L Sacha, Maria G Foreman, Kay Kyllonen, Ricardo J Rodriguez
OBJECTIVES: Limited data support how to safely and effectively treat refractory pain and agitation in neonates and infants. Gabapentin has been used in this patient population and has shown promising results, yet there is still a paucity of data about its clinical efficacy. There is a need for a larger evaluation to determine its effectiveness. This study describes one institution's experience with gabapentin for the treatment of refractory pain and agitation in the neonatal intensive care unit (NICU)...
May 2017: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/28638029/-pharmacotherapy-of-attention-deficit-hyperactivity-disorder-in-children-the-results-of-a-multicenter-double-blind-placebo-controlled-study-of-hopantenic-acid
#10
N N Zavadenko, N Yu Suvorinova, I N Vakula, E V Malinina, L M Kuzenkova
AIM: To assess the efficacy and safety of hopantenic acid (pantogam) compared to placebo in the treatment of attention deficit hyperactivity disorder (ADHD) in children, aged from 6 to 12 years, during 4 month in the prospective multicenter comparative double-blind placebo-controlled study in parallel groups. MATERIAL AND METHODS: One hundred patients enrolled in the safety assessment population were stratified into two equal pantogam and placebo groups. Eighty-nine patients who completed the study in according to the protocol were included in the efficacy assessment group: 45 in the pantogam group and 44 in the placebo group...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28636998/physiologically-based-pharmacokinetic-modeling-for-predicting-irinotecan-exposure-in-human-body
#11
Yingfang Fan, Najia Mansoor, Tasneem Ahmad, Rafeeq Alam Khan, Martin Czejka, Syed Sharib, Dong-Hua Yang, Mansoor Ahmed
Colorectal cancer is the third leading cause of cancer-related deaths in the United States. Treatment of colorectal cancer remains a challenge to clinicians as well as drug developers. Irinotecan, a Camptothecin derivative, is successfully used for the treatment of this rapidly progressing malignancy and finds its place in the first line of therapeutic agents. Irinotecan is also effective in treating SCLC, malignant glioma and pancreatic adenocarcinoma. However, its adverse effects limit its clinical application...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28634393/a-small-molecule-ds44170716-inhibits-ca-2-induced-mitochondrial-permeability-transition
#12
Naohiro Kon, Atsushi Satoh, Naoki Miyoshi
Mitochondria are involved in a variety of physiological and pathological processes. Ca(2+) uptake is one of the important functions of the organelle for maintenance of cellular Ca(2+) homeostasis. In pathological conditions such as ischemia reperfusion injury, Ca(2+) overload into mitochondria induces mitochondrial permeability transition (MPT), a critical step for cell death. Because inhibition of MPT is a promising approach to protecting cells and organs, it is important for drug discovery to identify novel chemicals or mechanisms to inhibit MPT...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28634311/-bevacizumab-related-hyperintense-lesions-on-diffusion-weighted-imaging-at-different-locations-in-a-patient-with-malignant-glioma
#13
Shinya Oshiro, Naoki Wakuta, Shinichi Kawai, Koichi Miki, Yutaka Shigemori
We report the case of a 60-year-old man who first presented with transient difficulty of word recall. Subsequent MRI revealed an invasive brain tumor in the left frontal lobe. The patient underwent open biopsy, and diffuse astrocytoma(WHO grade II)was diagnosed. However, the malignant potential of this tumor was not particularly low because of a few enhancement on preoperative evaluation, and radiation therapy was initially performed. Four months after ending irradiation, temozolomide treatment was introduced for tumor regrowth...
June 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28631809/anabolic-steroids-for-treating-pressure-ulcers
#14
REVIEW
Cho Naing, Maxine A Whittaker
BACKGROUND: Pressure ulcers, also known as bed sores, pressure sores or decubitus ulcers develop as a result of a localised injury to the skin or underlying tissue, or both. The ulcers usually arise over a bony prominence, and are recognised as a common medical problem affecting people confined to a bed or wheelchair for long periods of time. Anabolic steroids are used as off-label drugs (drugs which are used without regulatory approval) and have been used as adjuvants to usual treatment with dressings, debridement, nutritional supplements, systemic antibiotics and antiseptics, which are considered to be supportive in healing of pressure ulcers...
June 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28631775/-innovations-in-the-treatment-of-ovarian-cancer-analysis-of-the-therapeutic-development-from-platinum-to-immunotherapy
#15
Gesuino Angius, Pierangela Sepe, Anselmo Papa, Silverio Tomao, Federica Tomao
Ovarian cancer is the seventh most common cancer in women. The therapeutic approach provides for an appropriate integration between surgery and chemotherapy. Surgery is an important step for diagnosis, staging and therapy, aiming at the complete cytoreduction of all macroscopic visible disease. At the moment, adjuvant and first-line chemotherapy has as a standard the carboplatin-paclitaxel combination. Further, the addition of bevacizumab in the advanced stage (IIIB-IV) is strongly recommended. Despite the initial effectiveness, however, 70-80% of patients develop relapsed disease within the first two years and require subsequent treatment lines that have palliative, rather than curative purposes and that seek to reach a chronic state for the disease...
June 2017: Recenti Progressi in Medicina
https://www.readbyqxmd.com/read/28631584/clinical-characterization-of-italian-suicide-attempters-with-bipolar-disorder
#16
Bernardo Dell'Osso, Matteo Vismara, Cristina Dobrea, Laura Cremaschi, Benedetta Grancini, Chiara Arici, Beatrice Benatti, Massimiliano Buoli, Terence A Ketter, A Carlo Altamura
Introduction Bipolar disorder (BD) is a chronic, highly disabling condition associated with psychiatric/medical comorbidity and substantive morbidity, mortality, and suicide risks. In prior reports, varying parameters have been associated with suicide risk. OBJECTIVES: To evaluate sociodemographic and clinical variables characterizing Italian individuals with BD with versus without prior suicide attempt (PSA). METHODS: A sample of 362 Italian patients categorized as BD according to the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision (DSM IV-TR) was assessed and divided in 2 subgroups: with and without PSA...
June 20, 2017: CNS Spectrums
https://www.readbyqxmd.com/read/28631527/buprenorphine-naloxone-versus-methadone-and-lofexidine-in-community-stabilisation-and-detoxification-a-randomised-controlled-trial-of-low-dose-short-term-opiate-dependent-individuals
#17
Fergus D Law, Alison M Diaper, Jan K Melichar, Simon Coulton, David J Nutt, Judy S Myles
Buprenorphine/naloxone, methadone and lofexidine are medications with utility in the treatment of opiate withdrawal. We report the first randomised controlled trial to compare the effects of these two medications on withdrawal symptoms and outcome during opiate induction/stabilisation and detoxification. A double-blind randomised controlled trial was conducted in an outpatient satellite clinic of a specialist drug service. Eighty opiate dependent individuals meeting DSM-IV criteria for opiate dependence, using ⩽ ½ g heroin smoked/chased or ¼ g heroin injected or ⩽ 30mg methadone, with ⩽ 3 years of opioid dependency, underwent a short-term opiate treatment programme involving induction/stabilisation on methadone 30mg or buprenorphine/naloxone 4mg/1mg, followed by detoxification (where the methadone group was assisted by lofexidine)...
June 1, 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/28629995/intraosseous-compared-to-intravenous-drug-resuscitation-in-out-of-hospital-cardiac-arrest
#18
Bryan A Feinstein, Benjamin A Stubbs, Tom Rea, Peter J Kudenchuk
AIMS: Although the intraosseous (IO) route is increasingly used for vascular access in out-of-hospital cardiac arrest (OHCA), little is known about its comparative effectiveness relative to intravenous (IV) access. We evaluated clinical outcomes following OHCA comparing drug administration via IO versus IV routes. METHODS: This retrospective cohort study evaluated Emergency Medical Services (EMS)-treated adults with atraumatic OHCA in a large metropolitan EMS system between 9/1/2012-12/31/2014...
June 16, 2017: Resuscitation
https://www.readbyqxmd.com/read/28628683/understanding-the-shape-of-forehead-lines
#19
Milad Moqadam, Konstantin Frank, Christina Handayan, Mustafa Hakami, Fahd Benslimane, Robert H Gotkin, Neil S Sadick, Sebastian Cotofana
<p>Background: Individualized neuromodulator injections of the forehead are increasingly important to maximize patient safety and satisfaction and to yield the best aesthetic outcome. To assess the location of maximal muscle contraction, it would beneficial to relate the shape and location of the forehead lines to the morphology of the underlying frontalis muscle.</p> <p>Materials and Methods: We investigated the shape of forehead lines and their relationship to the morphology of the underlying frontalis muscle using anatomic dissection in a sample of 31 human body donors, with a mean age at death of 77...
May 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28628681/changes-in-self-perceptions-of-photoaging-severity-and-skin-cancer-risk-after-objective-facial-skin-quality-analysis
#20
Yoon-Soo Cindy Bae, Edward Jong Bae, Joyce H Wang, Barbara A Gilchrest
<p>Background: Despite public education efforts, many people at risk for skin cancer do not practice safe sun behaviors.</p> <p>Objective: To determine whether machine-based evaluation of UV-induced alterations (VISIA scan) changes self-assessment of facial photoaging, skin cancer risk, and willingness to improve sun protective habits. In addition, to determine whether VISIA scan analysis reveals differences between those with versus without a history of skin cancer, men versus women, those older than 50 versus less than 50 years of age, and Fitzpatrick skin types I-III versus IV-VI...
May 1, 2017: Journal of Drugs in Dermatology: JDD
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