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August 2018: Medicine (Baltimore)
D Dahlgren, C Roos, A Lundqvist, C Tannergren, M Sjöblom, E Sjögren, H Lennernäs
The small intestine mucosal barrier is physiologically regulated by the luminal conditions, where intestinal factors, such as diet and luminal tonicity, can affect mucosal permeability. The intestinal barrier may also be affected by absorption-modifying excipients (AME) in oral drug delivery systems. Currently, there is a gap in the understanding of how AMEs interact with the physiological regulation of intestinal electrolyte transport and fluid flux, and epithelial permeability. Therefore, the objective of this single-pass perfusion study in rat was to investigate the effect of three AMEs on the intestinal mucosal permeability at different luminal tonicities (100, 170, and 290 mOsm)...
July 26, 2018: International Journal of Pharmaceutics
Yong Yang, Xinyuan Lin, Ting Zeng, Yuanyuan Liu, Yong Li
OBJECTIVE: To observe the analgesic and sedative effects of acupuncture combined with local anesthesia for percutaneous vertebroplasty (PVP). METHODS: Sixty patients of single segmental osteoporotic vertebral compression fractures who were prepared to receive PVP were randomly divided into an observation group, a control 1 group, a control 2 group, 20 cases in each group. The patients in the observation group were treated with electroacupuncture (EA) at Hegu (LI 4), Neiguan (PC 6) and Zusanli (ST 36) 20 min before operation; during operation, EA was given combined with regular anesthesia...
July 12, 2018: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
Ali Jendoubi, Wafa Aissi, Ahmed Abbes, Abderrazek Bouzouita, Sami Fourati, Hatem Necib, Salma Ghedira, Mohamed Houissa
Background and Aims: Catheter-related bladder discomfort (CRBD) is the urge to void or discomfort in the suprapubic region secondary to an indwelling urinary catheter. We aimed to evaluate the safety and efficacy of single-dose of intravenous parecoxib in reducing the incidence and severity of CRBD in patients undergoing transurethral resection of bladder tumor (TURBT). Methods: Sixty-one adult patients, American Society of Anesthesiologists physical status I or II, undergoing elective TURBT under spinal anaesthesia, were randomly allocated to receive 40 mg of IV parecoxib (group P; n = 29) or an equal volume of normal saline (control group C; n = 32)...
June 2018: Indian Journal of Anaesthesia
Kalyani B Sonawane, Ning Cheng, Richard A Hansen
BACKGROUND: Data on adverse drug events (ADEs) observed at the population level provide important evidence regarding the safety of a pharmaceutical product in real-world settings. Recent patterns in serious and fatal ADE reporting have not been documented. OBJECTIVE: To assess recent patterns in serious and fatal ADE reports in the United States. METHODS: We conducted a retrospective analysis of the publicly available 2006-2014 FDA Adverse Event Reporting System database...
July 2018: Journal of Managed Care & Specialty Pharmacy
Ugnė Čeponytė, Miglė Paškevičiūtė, Vilma Petrikaitė
Purpose: In this study, we evaluated the anticancer activity of non-steroidal anti-inflammatory drugs (NSAIDs) in BxPC-3 and MIA PaCa-2 pancreatic cancer cell cultures. Methods: To test the effect of compounds on the viability of cells, the MTT assay was used. The activity of NSAIDs in 3D cell cultures was evaluated by measuring the size change of spheroids. The type of cell death was identified by cell staining with Hoechst 33342 and propidium iodide. To evaluate the effect on the colony-forming ability of cancer cells, the clonogenic assay was used...
2018: Cancer Management and Research
Emanuela Ricciotti, Cecilia Castro, Soon Yew Tang, William T E Briggs, James A West, Dania Malik, Seth D Rhoades, Hu Meng, Xuanwen Li, Nicholas F Lahens, Jeffrey A Sparks, Elizabeth W Karlson, Aalim M Weljie, Julian L Griffin, Garret A FitzGerald
Background -Large scale, placebo controlled trials established that nonsteroidal anti-inflammatory drugs (NSAIDs) confer a cardiovascular hazard: this has been attributed to depression of cardioprotective products of cyclooxygenase (COX)-2, especially prostacyclin (PGI2 ). An alternative mechanism by which NSAIDs might constrain cardioprotection is by enhancing the formation of methylarginines in the kidney that would limit the action of nitric oxide (NO) throughout the vasculature. Methods -Targeted and untargeted metabolomics were employed to investigate the effect of COX-2 deletion or inhibition in mice and in osteoarthritis (OA) patients exposed to NSAIDs on the L-arginine/NO pathway...
June 21, 2018: Circulation
Torill Kaasa, Luis Romundstad, Helge Roald, Knut Skolleborg, Audun Stubhaug
In this long-term follow-up study of 175 women, we investigated the prevalence of and factors associated with persisting pain and sensory changes four years after augmentation mammoplasty. Previously the women had participated in an acute postoperative pain study, and follow-up investigations at 6 weeks and 1 year after surgery. In the present study, the women were mailed questionnaires about pain, sensory changes, and affection of daily life, quality of life and pain catastrophizing 4 years after surgery. One hundred and sixteen women answered the questionnaire...
April 1, 2010: Scandinavian Journal of Pain
Elina Tiippana, Kaisa Nelskylä, Eija Nilsson, Eero Sihvo, Matti Kataja, Eija Kalso
Background and aims Thoracotomies can cause severe pain, which persists in 21-67% of patients. We investigated whether NSAID + intravenous patient-controlled analgesia (IV-PCA) with morphine is an efficacious alternative to thoracic epidural analgesia (TEA). We also wanted to find out whether an extended controlled pain management protocol within a clinical study can decrease the incidence of persistent post-thoracotomy pain. Methods Thirty thoracotomy patients were randomized into 3 intervention groups with 10 patients in each...
October 1, 2014: Scandinavian Journal of Pain
Maximilian Tufvesson-Alm, Lilly Schwieler, Robert Schwarcz, Michel Goiny, Sophie Erhardt, Göran Engberg
Kynurenine 3-monooxygenase (KMO) is an essential enzyme of the kynurenine pathway, converting kynurenine into 3-hydroxykynurenine. Inhibition of KMO increases kynurenine, resulting in elevated levels of kynurenic acid (KYNA), an endogenous N-methyl-d-aspartate and α*7-nicotinic receptor antagonist. The concentration of KYNA is elevated in the brain of patients with schizophrenia, possibly as a result of a reduced KMO activity. In the present study, using in vivo single cell recording techniques, we investigated the electrophysiological characteristics of ventral tegmental area dopamine (VTA DA) neurons and their response to antipsychotic drugs in a KMO knock-out (K/O) mouse model...
August 2018: Neuropharmacology
Xiaoliang Jin, Fang Zhou, Yan Liu, Chen Cheng, Lan Yao, Yuanwei Jia, Guangji Wang, Jingwei Zhang
Parecoxib (PX), a prodrug of valdecoxib (VX), is an injectable selective COX-2 inhibitor, and is recommended for the treatment of cancer pain. PX can be rapidly hydrolyzed into its active metabolite VX, and VX is further metabolized into hydroxylated valdecoxib (OH-VX) by cytochrome P450 enzymes. However, cancer patients have been reported to possess reduced drug metabolism ability, which might cause excessive drug accumulation. Such overdose of PX significantly increased the risk of renal safety and cardiovascular events...
September 5, 2018: Journal of Pharmaceutical and Biomedical Analysis
Q B Li, L Chang, F Ye, Q H Luo, Y X Tao, H H Shu
BACKGROUND: Accumulated evidence suggests that spinal cyclooxygenase-2 (COX-2) and prostaglandin E2 (PGE2) may be implicated in the development of opioid-induced hyperalgesia. METHODS: Rats received subcutaneous fentanyl injections at different doses (20-80 μg kg-1 ), four separate times at 15-min intervals. Some rats only received fentanyl (60 μg kg-1  × 4 doses) with or without surgical incision. Fentanyl-induced hyperalgesia was evaluated via a tail-pressure or paw-withdrawal test...
April 2018: British Journal of Anaesthesia
Magdi Hanna, Jee Y Moon
OBJECTIVE: Dexketoprofen trometamol is a modified non-selective COX inhibitor with a rapid onset of action that is available as both oral and parenteral formulations. The aim of this narrative review was to assess the efficacy and tolerability/safety of dexketoprofen trometamol in acute pain states using the best available published scientific evidence (randomized controlled clinical trials and systematic reviews/meta-analyses). METHODS: Literature retrieval was performed via Medline, Embase and the Cochrane Library (from inception up to March 2017) using combinations of the terms "randomized controlled trials", "dexketoprofen", "celecoxib", "etoricoxib", "parecoxib" and "acute pain"...
April 24, 2018: Current Medical Research and Opinion
F-T Li, C-H Yao, L Yao, Z-F Huo, J Liu
OBJECTIVE: To explore the effect of parecoxib on cerebral infarction in rats and the regulatory mechanism on hypothalamus orexin neurons (orexin) and protein expression. MATERIALS AND METHODS: 60 SD male rats were randomly divided into sham operation group, model group and treatment group (20 rats in each group). Cerebral infarction model was established by modified Longa method. Rats in the treatment group were given parecoxib (2.5 mg kg-1) in tail by intravenous injection, while both the sham operation group and the model group were given the equal volume of sterile PBS solution in the tail vein...
March 2018: European Review for Medical and Pharmacological Sciences
Mariana Takaku, Andre Carnevali da Silva, Nathalie Izumi Iritsu, Pedro Thadeu Galvao Vianna, Yara Marcondes Machado Castiglia
Parecoxib, a selective COX-2 inhibitor, is used to improve analgesia in postoperative procedures. Here we evaluated whether pretreatment with a single dose of parecoxib affects the function, cell injury, and inflammatory response of the kidney of rats subjected to acute hemorrhage. Inflammatory response was determined according to serum and renal tissue cytokine levels (IL-1 α , IL-1 β , IL-6, IL-10, and TNF- α ). Forty-four adult Wistar rats anesthetized with sevoflurane were randomized into four groups: placebo/no hemorrhage (Plc/NH); parecoxib/no hemorrhage (Pcx/NH); placebo/hemorrhage (Plc/H); and parecoxib/hemorrhage (Pcx/H)...
2018: Pain Research and Treatment
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]
Margaret Noyes Essex, Hee-Youn Choi, Pritha Bhadra Brown, Raymond Cheung
Purpose: Parecoxib is an injectable cyclooxygenase-2 inhibitor with proven postoperative analgesic efficacy in a variety of settings, including total knee arthroplasty (TKA). The effect of ethnicity on the efficacy of parecoxib for post-TKA pain has not been studied. Patients and methods: This was a parallel-group, double-blind, randomized, placebo- controlled study of ethnically Korean patients aged ≥18 years who had unilateral TKA. Patients who reported moderate or severe pain 6 hours after the end of postoperative opioid analgesia were randomized to receive a single intravenous dose of parecoxib sodium 40 mg or placebo...
2018: Journal of Pain Research
Eirini Martinou, Stamatoula Drakopoulou, Eftychia Aravidou, Theodore Sergentanis, Agathi Kondi-Pafiti, Eriphyli Argyra, Dionysios Voros, Georgios P Fragulidis
BACKGROUND: Current evidence regarding the effects of selective cyclooxygenase inhibitors on gastrointestinal anastomoses is controversial. An experimental randomized control study was conducted in our institution to histopathologically evaluate the consequences of parecoxib, on intestinal and abdominal wound healing. METHODS: Twenty-four adult Wistar rats underwent laparotomy, ascending colon transection, and hand-sewn anastomosis. They were randomized to receive either parecoxib (0...
March 2018: Journal of Surgical Research
Ulas Yuksel, Bulent Bakar, Gungor Cagdas Dincel, Fatma Azize Budak Yildiran, Mustafa Ogden, Ucler Kisa
AIM: Today, spinal cord injury (SCI) can be rehabilitated but cannot be treated adequately. This experimental study was conducted to investigate possible beneficial effects of methylprednisolone and parecoxib in treatment of SCI. MATERIALS AND METHODS: Forty-eight male Wistar albino rats were assigned into CONTROL, acute (MP-A, PX-A, and PXMP-A), and subacute (MP-S, PX-S, and PXMP-S) stage groups. Then, to induce SCI, a temporary aneurysm clip was applied to the spinal cord following T7-8 laminectomy, except in the CONTROL group...
January 22, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
Tanyong Pipanmekaporn, Yodying Punjasawadwong, Somrat Charuluxananan, Worawut Lapisatepun, Pavena Bunburaphong, Settapong Boonsri, Apichat Tantraworasin, Nutchanart Bunchungmongkol
OBJECTIVES: To determine the incidence of ipsilateral shoulder pain (ISP) with the therapeutic use of parecoxib compared with a placebo after thoracotomy. DESIGN: A prospective, randomized, double-blind, placebo-controlled trial. SETTING: A tertiary-care university hospital. PARTICIPANTS: Adult patients undergoing an elective thoracotomy between June 2011 and February 2015. INTERVENTIONS: Patients were allocated randomly into the parecoxib group (n = 80) and the control group (n = 80)...
February 2018: Journal of Cardiothoracic and Vascular Anesthesia
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