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Drug administration pain relief

Gladstone C McDowell, Joseph Winchell
OBJECTIVES: The majority of patients seeking medical care for chronic pain consult a primary care physician (PCP). Because systemic opioids are commonly prescribed to patients with chronic pain, PCPs are attempting to balance the competing priorities of providing adequate pain relief while reducing risks for opioid misuse and overdose. It is important for PCPs to be aware of pain management strategies other than systemic opioid dose escalation when patients with chronic pain fail to respond to conservative therapies and to initiate a multimodal treatment plan...
March 15, 2018: Postgraduate Medicine
J He, X Q Zheng, C H Luo, Z X Huang, W Y He, H B Wang, C X Yang
Objective: To evaluate the efficacy of ultrasound guided quadratus lumborum block combined with non-steroidal anti-inflammatory drugs for postoperative analgesia in patients undergoing total hip arthroplasty. Methods: From January to June 2017, sixty American Society of Anesthesiologists (ASA) physical status Ⅰ to Ⅲ patients, aged 55-75 yr, scheduled for total hip arthroplasty, were randomly divided into control group(group N) and quadratus lumborum block (group R). Ultrasound guided quadratus lumborum block was implemented on the affected side at the end of operation...
February 27, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
Heni Rachmawati, Yang Aryani Arvin, Sukmadjaja Asyarie, Kusnandar Anggadiredja, Raymond Rubianto Tjandrawinata, Gert Storm
Bupivacaine HCl (1-butyl-2',6'-pipecoloxylidide hydrochloride), an amide local anesthetic compound, is a local anesthetic drug utilized for intraoperative local anesthesia, post-operative analgesia and in the treatment of chronic pain. However, its utility is limited by the relative short duration of analgesia after local administration (approximately 9 h after direct injection) and risk for side effects. This work is aimed to develop a nanoemulsion of bupivacaine HCl with sustained local anesthetics release kinetics for improved pain management, by exhibiting extended analgesic action and providing reduced peak levels in the circulation to minimize side effects...
March 7, 2018: Drug Delivery and Translational Research
Paulino Barragán-Iglesias, Víctor Hugo Oidor-Chan, Emanuel Loeza-Alcocer, Jorge Baruch Pineda-Farias, Isabel Velazquez-Lagunas, Ana Belen Salinas-Abarca, Enrique Hong, Alicia Sánchez-Mendoza, Rodolfo Delgado-Lezama, Theodore J Price, Vinicio Granados-Soto
BACKGROUND: The purpose of this study was to evaluate the participation of satellite glial cells (SGC), microglia and astrocytes in a model of streptozotocin-induced diabetes initiated in neonatal rats (nSTZ) and to determine the pharmacological profile for pain relief. METHODS: nSTZ was used to induce experimental diabetes. Von Frey filaments were used to assess tactile allodynia. Drugs were given by systemic administration. Western blotting and immunohistochemistry were used to determine protein expression and cellular localization...
September 14, 2017: Pharmacological Reports: PR
Frédéric Aubrun, Noël Zahr, Olivier Langeron, Nicolas Boccheciampe, Nathalie Cozic, Lisa Belin, Jean-Sebastien Hulot, Frederic Khiami, Bruno Riou
BACKGROUND: Among the various factors that may influence the pharmacological response to opioids, genetic polymorphisms [single nucleotide polymorphisms (SNP)] have generated some interest. OBJECTIVES: To examine the influence on morphine dose requirements and adverse events in the postoperative period of four SNP [opioid receptor mu1 (OPRM1), ATP-binding cassette subfamily B, member 1 (ABCB1) ex-21 and ex-26, catechol-o-methyltransferase (COMT)] in candidate genes involved in morphine pharmacodynamics and pharmacokinetics...
February 22, 2018: European Journal of Anaesthesiology
Jiacheng Ma, Annemieke Kavelaars, Patrick M Dougherty, Cobi J Heijnen
Chemotherapy-induced peripheral neuropathy (CIPN) is a serious adverse side effect of many chemotherapeutic agents, affecting >60% of patients with cancer. Moreover, CIPN persists long into survivorship in approximately 20% to 30% of these patients. To the authors' knowledge, no drugs have been approved to date by the US Food and Drug Administration to effectively manage chemotherapy-induced neuropathic pain. The majority of the drugs tested for the management of CIPN aim at symptom relief, including pain and paresthesia, yet are not very efficacious...
February 20, 2018: Cancer
Federico Piccioni, Riccardo Ragazzi
Enhanced recovery after surgery (ERAS) programs are developed to prevent factors that delay postoperative recovery as well as issues that cause complications. The development of video-assist thoracoscopic surgery (VATS) techniques favors the fast recovery after thoracic procedures. ERAS strategies are based on multidisciplinary approach in which the anesthetist plays an important role from the preoperative to the postoperative phase with several goals. After preoperative evaluation and medical optimization, the anesthetist must ensure a tailored anesthetic plan aiming to a fast recovery and adequate pain relief to reduce the response to the surgical stress...
2018: Journal of visualized surgery
Jeffrey S Fischgrund, A Rhyne, J Franke, R Sasso, S Kitchel, H Bae, C Yeung, E Truumees, M Schaufele, P Yuan, P Vajkoczy, M DePalma, D G Anderson, L Thibodeau, B Meyer
PURPOSE: To evaluate the safety and efficacy of radiofrequency (RF) ablation of the basivertebral nerve (BVN) for the treatment of chronic low back pain (CLBP) in a Food and Drug Administration approved Investigational Device Exemption trial. The BVN has been shown to innervate endplate nociceptors which are thought to be a source of CLBP. METHODS: A total of 225 patients diagnosed with CLBP were randomized to either a sham (78 patients) or treatment (147 patients) intervention...
February 8, 2018: European Spine Journal
William B White, Robert A Kloner, Dominick J Angiolillo, Michael H Davidson
Over-the-counter analgesics are used globally for the relief of acute pain. Although effective, these agents can be associated with adverse effects that may limit their use in some people. In the early 2000s, observations from clinical trials of prescription-strength and supratherapeutic doses of nonselective and cyclooxygenase-2-selective nonsteroidal anti-inflammatory drugs (NSAIDs) raised safety concerns regarding the risk of cardiovascular adverse effects with the use of these medications. Subsequently, the US Food and Drug Administration mandated additional study of the cardiovascular safety of NSAIDs for a more comprehensive understanding of their risk...
March 2018: Journal of Cardiovascular Pharmacology and Therapeutics
Melat Gebre, Anna Woodbury, Vitaly Napadow, Venkatagiri Krishnamurthy, Lisa C Krishnamurthy, Roman Sniecinski, Bruce Crosson
BACKGROUND: Fibromyalgia is a chronic pain state that includes widespread musculoskeletal pain, fatigue, psychiatric symptoms, cognitive and sleep disturbances, and multiple somatic symptoms. Current therapies are often insufficient or come with significant risks, and while there is an increasing demand for non-pharmacologic and especially non-opioid pain management such as that offered through complementary and alternative medicine therapies, there is currently insufficient evidence to recommend these therapies...
February 6, 2018: JMIR Research Protocols
Melissa N Hempstead, Joseph R Waas, Mairi Stewart, Suzanne K Dowling, Vanessa M Cave, Gemma L Lowe, Mhairi A Sutherland
Cautery disbudding of goat kids is painful, but may be alleviated with pain mitigation. We therefore evaluated the effect of administering general anesthesia (isoflurane) or a nonsteroidal anti-inflammatory drug (meloxicam) on goat kid behavior and physiology following cautery disbudding. Trial 1 (n = 12/treatment) evaluated behavioral responses in 72 female Saanen dairy goat kids (mean ± standard error of the mean; 3.9 ± 0.15 d old) and trial 2 (n = 10/treatment) evaluated physiological responses in 60 female Saanen dairy goat kids (4...
January 31, 2018: Journal of Dairy Science
Olga Kopach, Kayiu Zheng, Luo Dong, Andrei Sapelkin, Nana Voitenko, Gleb B Sukhorukov, Dmitri A Rusakov
Persistent pain remains a major health issue: common treatments relying on either repeated local injections or systemic drug administration are prone to concomitant side-effects. It is thought that an alternative could be a multifunctional cargo system to deliver medicine to the target site and release it over a prolonged time window. We nano-engineered microcapsules equipped with adjustable cargo release properties and encapsulated the sodium-channel blocker QX-314 using the layer-by-layer (LbL) technology...
November 2018: Drug Delivery
M A Fitzcharles, E Eisenberg
Medical cannabis has entered mainstream medicine and is here to stay. Propelled by public advocacy, the media and mostly anecdote rather than sound scientific study, patients worldwide are exploring marijuana use for a vast array of medical conditions including management of chronic pain. Contrary to the usual path of drug approval, medical cannabis has bypassed traditional evidence-based study and has been legalized as a therapeutic product by legislative bodies in various countries. While there is a wealth of basic science and preclinical studies demonstrating effects of cannabinoids in neurobiological systems, especially those pertaining to pain and inflammation, clinical study remains limited...
January 29, 2018: European Journal of Pain: EJP
Denise K Patten, Bob G Schultz, Daniel J Berlau
Chronic inflammatory diseases are complex to treat and have an impact on a large number of patients. Due to the difficulty of treating these diseases and the great impact on quality of life, patients often seek off-label, complimentary, or alternative medicines to gain relief from symptoms. Low-dose naltrexone has been used off-label for treatment of pain and inflammation in multiple sclerosis, Crohn's disease, fibromyalgia, and other diseases. Naltrexone is a mu-opioid receptor antagonist indicated by the Food and Drug Administration for opioid and alcohol dependence...
January 27, 2018: Pharmacotherapy
C Fantacci, G C Fabrizio, P Ferrara, F Franceschi, A Chiaretti
OBJECTIVE: Pain relief is a very important aspect in Pediatrician's clinical practice. It is often thought that young children, particularly infants, do not perceive as much pain as adults because of their immature nervous system and that untreated pain would not have adverse long-term consequences. Instead, it has been demonstrated that infants and children experience pain in a similar manner to adults. Many factors, particularly emotional factors, can increase the child's pain perception...
January 2018: European Review for Medical and Pharmacological Sciences
S A Bura, D Cabañero, R Maldonado
BACKGROUND: Pregabalin is a first-line agent for neuropathic pain treatment whose abuse liability remains controversial. Surprisingly, studies exploring the reinforcing properties of pregabalin in operant mouse models are missing. METHODS: We evaluated the acquisition of operant pregabalin self-administration in mice exposed to a partial sciatic nerve ligation (PSNL) or a sham operation. After surgery, mice were trained in operant boxes to intravenously self-administer pregabalin at 1...
December 27, 2017: European Journal of Pain: EJP
Jing Li, Yunheng Sun, Gang Ding, Feng Jiang
Pain occurs at all stages of the patients who suffer from cancer. Owing to surgery and bone metastasis, breast cancer patients were usually disturbed by persistent pain. However, the pain-relief-right has not been respected enough in clinical cancer treatment. Whether pain has any adverse effects on cancer development is still unclear. In order to uncover this question, we established two preclinical animal models to explore the effects of pain on the tumor. For the first model, we mimicked neuropathic pain by sciatic nerve ligation on rats with xenograft tumor subcutaneously...
January 22, 2018: Biochemical and Biophysical Research Communications
S Duckett
A recent administrative law decision in Victoria, Australia, applied double effect reasoning in a novel way. Double effect reasoning has hitherto been used to legitimate treatments which may shorten life but where the intent of treatment is pain relief. The situation reviewed by the Victorian tribunal went further, supporting actions where a doctor agrees to provide pentobarbitone (Nembutal) to a patient at some time in the future if the patient feels at that time that his pain is unbearable and he wants to end his life...
December 11, 2017: Journal of Bioethical Inquiry
Marissa J Seamans, Timothy S Carey, Daniel J Westreich, Stephen R Cole, Stephanie B Wheeler, G Caleb Alexander, Virginia Pate, M Alan Brookhart
Importance: Increases in prescription opioid use in the United States have been attributed to changing prescribing guidelines and attitudes toward pain relief; however, the spread of opioid use within households through drug diversion may also be a contributing factor. Objective: To investigate whether individuals living in a household with a prescription opioid user are more likely to initiate prescription opioids themselves, compared with individuals in households with a prescription nonsteroidal anti-inflammatory drug (NSAID) user...
January 1, 2018: JAMA Internal Medicine
P Gorecki, K D Rainsford, P Taneja, Y Bulsara, D Pearson, D Saund, B Ahmed, T Dietrich
Diclofenac sodium is a widely used nonsteroidal anti-inflammatory drug (NSAID) for relief of inflammatory pain. A recent formulation combines this drug with hydroxypropyl-β-cyclodextrin (HPβCD) to improve its solubility and to enable subcutaneous administration. Previous studies confirmed the efficacy of this combination. This study's aim was to evaluate the efficacy, safety, and local tolerability of diclofenac HPβCD administered as a local submucosal injection prior to lower third molar surgery. We conducted a prospective, randomized, double-blind, placebo-controlled, parallel-group phase II single-center study...
December 1, 2017: Journal of Dental Research
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