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https://www.readbyqxmd.com/read/28933336/bioavailability-of-oxycodone-after-administration-of-a-new-prolonged-release-once-daily-tablet-formulation-in-healthy-subjects-in-comparison-to-an-established-twice-daily-tablet%C3%A2
#1
Bernhard Scheidel, Martina A Maritz, Yves J Gschwind, Kerstin Steigerwald, Volker Guth, Peter Kovacs, Helene Rey
OBJECTIVE: To evaluate and to compare the bioavailability, the influence of food intake on the bioavailability, and the safety and tolerability of a newly-developed oxycodone once-daily (OOD) prolonged-release tablet with an established oxycodone twice-daily (OTD) prolonged-release tablet after single-dose administration under fasting or fed conditions as well as after multiple-dose administration. MATERIALS AND METHODS: Three single-center, open-label, randomized, balanced, two-treatment, two-period, two-sequence crossover studies were conducted...
September 21, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28807904/no-clinically-relevant-drug-drug-interactions-between-methadone-or-buprenorphine-naloxone-and-anti-viral-combination-glecaprevir-and-pibrentasvir
#2
Matthew Kosloski, Weihan Zhao, Armen Asatryan, Jens Kort, Pierre Geoffroy, Wei Liu
The combination of glecaprevir (formerly ABT-493), a nonstructural (NS) protein 3/4A protease inhibitor, and pibrentasvir (formerly ABT-530), a NS5A protein inhibitor, is being developed as treatment for HCV genotype 1-6 infection. The pharmacokinetics, pharmacodynamics, safety, and tolerability of methadone or buprenorphine/naloxone when coadministered with the glecaprevir and pibrentasvir combination in HCV-negative subjects on stable opioid maintenance therapy were investigated in a Phase 1, single-center, two-arm, multiple-dose, open-label sequential study...
August 14, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28801000/palliative-care-development-in-ukraine
#3
Victoria Tymoshevska, Kseniya Shapoval-Deinega
There are approximately 1 million cancer patients in Ukraine and 90,000 cancer deaths a year, 35% of these are diagnosed in the late stage of disease. Ukraine has the most severe HIV epidemic in the region with more than 200,000 persons living with HIV/AIDS and 6000-10000 deaths annually. The morphine consumption rate is among the lowest in the. The first palliative care services were established in 1996 and the number has slowly increased with services provided in inpatient units, home and day care programs and by a range of health care providers...
August 8, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28724496/effects-of-time-and-storage-conditions-on-the-chemical-and-microbiologic-stability-of-diluted-buprenorphine-for-injection
#4
Johnathan M DenHerder, Ralph L Reed, Jennifer L Sargent, Gerd Bobe, Jan F Stevens, Helen E Diggs
Buprenorphine is a partial μ-opioid agonist used for analgesia. Due to the small size of laboratory rodents, buprenorphine HCl is typically diluted 10- or 20-fold with a sterile diluent, such as saline, for accurate dosing. Protocols for preparing and storing diluted buprenorphine vary by institution, and little published information is available regarding stability and beyond-use dating of specific buprenorphine preparations. The purpose of this study was to determine the chemical and microbiologic stability of diluted buprenorphine stored for a maximum of 180 d...
July 1, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28693439/combatting-pain-after-orthopedic-trauma-surgery-perioperative-oral-extended-release-tapentadol-vs-extended-release-oxycodone-naloxone
#5
Gertrud Haeseler, Dirk Schaefers, Natalie Prison, Jörg Ahrens, Xiaofei Liu, Annika Karch
BACKGROUND: High post-operative pain scores after "minor" orthopedic/trauma surgery are in part attributed to inadequate prescription of opioid analgesics. Novel concepts aiming to achieve sufficient analgesia while minimizing opioid-related side effects by avoiding fluctuating plasma levels are based on perioperative oral administration of extended-release opioids beginning with the first dose pre-operatively. This is the first study to evaluate analgesic efficacy and side effect rates of extended-release tapentadol compared to oxycodone/naloxone following orthopedic/trauma surgery...
July 11, 2017: BMC Anesthesiology
https://www.readbyqxmd.com/read/28689766/acute-administration-of-tramadol-and-tapentadol-at-effective-analgesic-and-maximum-tolerated-doses-causes-hepato-and-nephrotoxic-effects-in-wistar-rats
#6
COMPARATIVE STUDY
Joana Barbosa, Juliana Faria, Sandra Leal, Luís Pedro Afonso, João Lobo, Odília Queirós, Roxana Moreira, Félix Carvalho, Ricardo Jorge Dinis-Oliveira
Tramadol and tapentadol are two atypical synthetic opioid analgesics, with monoamine reuptake inhibition properties. Mainly aimed at the treatment of moderate to severe pain, these drugs are extensively prescribed for multiple clinical applications. Along with the increase in their use, there has been an increment in their abuse, and consequently in the reported number of adverse reactions and intoxications. However, little is known about their mechanisms of toxicity. In this study, we have analyzed the in vivo toxicological effects in liver and kidney resulting from an acute exposure of a rodent animal model to both opioids...
August 15, 2017: Toxicology
https://www.readbyqxmd.com/read/28681626/pharmacokinetics-and-safety-of-fentanyl-sublingual-spray-and-fentanyl-citrate-intravenous-a-single-ascending-dose-study-in-opioid-na%C3%A3-ve-healthy-volunteers
#7
Richard Rauck, D Alexander Oh, Neha Parikh, Christian Koch, Neil Singla, Jin Yu, Srinivas Nalamachu, Santosh Vetticaden
OBJECTIVE: Fentanyl sublingual spray offers rapid pain relief in opioid-tolerant cancer patients, and may be useful in acute or postoperative pain. Both opioid-naïve or nontolerant patients are likely to receive opioids in these settings. Understanding the relationship between systemic exposure of fentanyl sublingual spray and effects on respiratory function in opioid-naïve or nontolerant populations is important to ensure patient safety. This study evaluated single-dose fentanyl sublingual spray in opioid-naïve participants...
July 6, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28663616/effect-of-pregabalin-premedication-on-the-requirement-of-anesthetic-and-analgesic-drugs-in-laparoscopic-cholecystectomy-randomized-comparison-of-two-doses
#8
Prasoon Gupta, Anudeep Saxena, Lalita Chaudhary
BACKGROUND: Preoperative medication has a vital role in anesthesia. Pregabalin (PG) is a newer drug of gabapentinoid class and is six times more potent than gabapentin. Our study was designed to evaluate the effect of PG as premedication on the perioperative anesthetic requirement and analgesia. MATERIALS AND METHODS: The study was conducted on ninety patients of American Society of Anesthesiologists Grade I and II of age group 20-60 years, allocated to one of the three groups of thirty patients each...
April 2017: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/28655025/effect-of-buprenorphine-weekly-depot-cam2038-and-hydromorphone-blockade-in-individuals-with-opioid-use-disorder-a-randomized-clinical-trial
#9
Sharon L Walsh, Sandra D Comer, Michelle R Lofwall, Bradley Vince, Naama Levy-Cooperman, Debra Kelsh, Marion A Coe, Jermaine D Jones, Paul A Nuzzo, Fredrik Tiberg, Behshad Sheldon, Sonnie Kim
Importance: Buprenorphine is an efficacious, widely used treatment for opioid use disorder (OUD). Daily oral transmucosal formulations can be associated with misuse, diversion, and nonadherence; these limitations may be obviated by a sustained release formulation. Objective: To evaluate the ability of a novel, weekly, subcutaneous buprenorphine depot formulation, CAM2038, to block euphorigenic opioid effects and suppress opioid withdrawal in non-treatment-seeking individuals with OUD...
September 1, 2017: JAMA Psychiatry
https://www.readbyqxmd.com/read/28647729/analgesic-effects-of-diluted-bee-venom-acupuncture-mediated-by-%C3%AE-opioid-and-%C3%AE-2-adrenergic-receptors-in-osteoarthritic-rats
#10
Jeong-Eun Huh, Byung-Kwan Seo, Jung-Woo Lee, Chanyoung Kim, Yeon-Cheol Park, Jae-Dong Lee, Yong-Hyeon Baek
Context • Pain from osteoarthritis is associated with peripheral nociception and central pain processing. Given the unmet need for innovative, effective, and well-tolerated therapies, many patients, after looking for more satisfactory alternatives, decide to use complementary and alternative modalities. The analgesic mechanism of subcutaneous injections of diluted bee venom into an acupoint is thought to be part of an anti-inflammatory effect and the central modulation of pain processing. Objectives • Using the rat model of collagenase-induced osteoarthritis (CIOA), the study intended to investigate the analgesic effects of bee venom acupuncture (BVA) as they are related to the acupuncture points and dosage used and to determine whether the analgesic mechanisms of BVA for pain were mediated by opioid or adrenergic receptors...
June 23, 2017: Alternative Therapies in Health and Medicine
https://www.readbyqxmd.com/read/28644085/pharmacokinetics-of-a-sustained-release-formulation-of-buprenorphine-after-intramuscular-and-subcutaneous-administration-to-american-kestrels-falco-sparverius
#11
David Sanchez-Migallon Guzman, Heather K Knych, Glenn H Olsen, Joanne R Paul-Murphy
Previous studies have validated the clinical use of opioids with μ-receptor affinities for pain management in raptors. Buprenorphine appears to have a longer duration of action and minimal adverse effects when compared to other opioids in American kestrels ( Falco sparverius ). To determine the pharmacokinetics of a sustained release formulation of buprenorphine in kestrels, we administered a commercially available product (Buprenorphine SR-LAB; Wildlife Pharmaceuticals, Windsor, CO, USA) intramuscularly and subcutaneously to adult kestrels in a partial-crossover experimental design study...
June 2017: Journal of Avian Medicine and Surgery
https://www.readbyqxmd.com/read/28623508/clinical-pharmacokinetic-characteristics-of-cebranopadol-a-novel-first-in-class-analgesic
#12
Elke Kleideiter, Chiara Piana, Shaonan Wang, Robert Nemeth, Michael Gautrois
BACKGROUND AND OBJECTIVES: Cebranopadol is a novel first-in-class analgesic acting as a nociceptin/orphanin FQ peptide and opioid peptide receptor agonist with central analgesic activity. It is currently in clinical development for the treatment of chronic pain conditions. This trial focuses on the clinical pharmacokinetic (PK) properties of cebranopadol after oral single- and multiple-dose administration. METHODS: The basic PK properties of cebranopadol were assessed by means of noncompartmental methods in six phase I clinical trials in healthy subjects and patients...
June 16, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28603935/the-effects-of-ketoconazole-and-cimetidine-on-the-pharmacokinetics-of-oral-tramadol-in-greyhound-dogs
#13
B KuKanich, K KuKanich, J Black
Tramadol is administered to dogs for analgesia but has variability in its extent of absorption, which may hinder its efficacy. Additionally, the active opioid metabolite (M1) occurs in low concentrations. The purpose of this study was to determine if administration of oral tramadol with suspected metabolism inhibitors (ketoconazole, cimetidine) would lead to improved bioavailability of tramadol and M1. Six healthy Greyhounds were included. They were administered tramadol orally and intravenously, M1 intravenously, oral tramadol with oral ketoconazole and oral tramadol with oral cimetidine...
June 11, 2017: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28589874/effects-of-time-and-storage-conditions-on-the-chemical-and-microbiologic-stability-of-diluted-buprenorphine-for-injection
#14
Johnathan M DenHerder, Ralph L Reed, Jennifer L Sargent, Gerd Bobe, Jan F Stevens, Helen E Diggs
Buprenorphine is a partial μ-opioid agonist used for analgesia. Due to the small size of laboratory rodents, buprenorphineHCl is typically diluted 10- or 20-fold with a sterile diluent, such as saline, for accurate dosing. Protocols for preparing andstoring diluted buprenorphine vary by institution, and little published information is available regarding stability andbeyond-use dating of specific buprenorphine preparations. The purpose of this study was to determine the chemical andmicrobiologic stability of diluted buprenorphine stored for a maximum of 180 d...
June 6, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28578919/opioid-consumption-and-pain-in-gynecological-cancer-patients-treated-with-interstitial-brachytherapy
#15
Lucas C Mendez, Stephen Choi, Laura D'Alimonte, Elizabeth Barnes, Lisa Barbera, Eric Leung
PURPOSE: Interstitial brachytherapy (ISBT) has advantages over the intracavitary techniques in the treatment of gynecological malignancies. The insertion of catheters into tumor enables higher dose conformality and normal tissue sparing. However ISBT can be associated with pain due its invasiveness. The goal of this study is to assess pain and opioid consumption of patients implanted with a perineal ISBT applicator. METHODS AND MATERIALS: Forty-eight patients were treated with ISBT from September 2014 to April 2016...
July 2017: Brachytherapy
https://www.readbyqxmd.com/read/28560952/effects-of-time-and-storage-conditions-on-the-chemical-and-microbiologic-stability-of-diluted-buprenorphine-for-injection
#16
Ralph L Reed, Johnathan M DenHerder, Jennifer L Sargent, Gerd Bobe, J Fred Stevens, Helen E Diggs
Buprenorphine is a partial μ-opioid agonist used for analgesia. Due to the small size of laboratory rodents, buprenorphineHCl is typically diluted 10- or 20-fold with a sterile diluent, such as saline, for accurate dosing. Protocols for preparing andstoring diluted buprenorphine vary by institution, and little published information is available regarding stability and beyond-use dating of specific buprenorphine preparations. The purpose of this study was to determine the chemical and microbiologic stability of diluted buprenorphine stored for a maximum of 180 d...
May 30, 2017: Journal of the American Association for Laboratory Animal Science: JAALAS
https://www.readbyqxmd.com/read/28542675/analgesic-effects-of-intravenous-acetaminophen-vs-placebo-for-endoscopic-sinus-surgery-and-postoperative-pain-a-randomized-clinical-trial
#17
RANDOMIZED CONTROLLED TRIAL
Matthew A Tyler, Kent Lam, Faramarz Ashoori, Chunyan Cai, Joshua J Kain, Samer Fakhri, Martin J Citardi, Davide Cattano, Amber Luong
Importance: Intravenous acetaminophen is a commonly prescribed analgesic for the prevention and treatment of postsurgical pain. Its efficacy in the context of endoscopic sinus surgery (ESS) has yielded mixed results. Objective: To compare the efficacy of perioperative intravenous acetaminophen (IVAPAP) with that of placebo in improving early postoperative pain after endoscopic sinus surgery (ESS). Design, Setting, and Participants: A prospective, randomized clinical trial including 62 patients undergoing ESS for chronic rhinosinusitis in a single tertiary referral hospital...
August 1, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28530786/morphine-for-chronic-neuropathic-pain-in-adults
#18
REVIEW
Tess E Cooper, Junqiao Chen, Philip J Wiffen, Sheena Derry, Daniel B Carr, Dominic Aldington, Peter Cole, R Andrew Moore
BACKGROUND: Neuropathic pain, which is caused by a lesion or disease affecting the somatosensory system, may be central or peripheral in origin. Neuropathic pain often includes symptoms such as burning or shooting sensations, abnormal sensitivity to normally painless stimuli, or an increased sensitivity to normally painful stimuli. Neuropathic pain is a common symptom in many diseases of the nervous system. Opioid drugs, including morphine, are commonly used to treat neuropathic pain...
May 22, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28516342/pharmacokinetic-bioequivalence-studies-of-an-extended-release-oxycodone-hydrochloride-tablet-in-healthy-japanese-subjects-under-fasting-and-fed-conditions-without-an-opioid-antagonist
#19
Kaoru Toyama, Hidetoshi Furuie, Kana Kuroda, Hitoshi Ishizuka
Oxycodone is a semisynthetic opioid used for the treatment of moderate to severe pain. Two separate studies were conducted to assess the pharmacokinetic bioequivalence of a newly formulated oxycodone hydrochloride extended-release tablet to a marketed oxycodone product in Japan under fasting and fed conditions. Each study was a randomized, open-label, single-dose, single-center, two-period, two-way crossover study. Healthy male Japanese subjects received the oxycodone 10-mg products under fasting and fed conditions...
May 17, 2017: Drugs in R&D
https://www.readbyqxmd.com/read/28514508/methadone-for-neuropathic-pain-in-adults
#20
REVIEW
Ewan D McNicol, McKenzie C Ferguson, Roman Schumann
BACKGROUND: This review replaces an earlier review, "Methadone for chronic non-cancer pain in adults". This review serves to update the original and includes only studies of neuropathic pain. Methadone belongs to a class of analgesics known as opioids, that are considered the cornerstone of therapy for moderate-to-severe postsurgical pain and pain due to life-threatening illnesses; however, their use in neuropathic pain is controversial. Methadone has many characteristics that differentiate it from other opioids, which suggests that it may have a different efficacy and safety profile...
May 17, 2017: Cochrane Database of Systematic Reviews
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