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Celecoxib

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https://www.readbyqxmd.com/read/28445800/adjunctive-celecoxib-for-schizophrenia-a-meta-analysis-of-randomized-double-blind-placebo-controlled-trials
#1
Wei Zheng, Dong-Bin Cai, Xin-Hu Yang, Gabor S Ungvari, Chee H Ng, Norbert Müller, Yu-Ping Ning, Yu-Tao Xiang
Neuroinflammation has been implicated in the neurobiological pathways of schizophrenia. This meta-analysis evaluated the efficacy and tolerability of adjunctive celecoxib as a noncompetitive anti-inflammation drug in treating schizophrenia. Data were searched, extracted, checked and entered into the RevMan (version 5.3) software by two independent investigators. Standardized/weighted mean differences (SMDs/WMDs), risk ratio (RR) and their 95% confidence intervals (CIs) were calculated, as appropriate. Included were 8 randomized controlled trials (RCTs) with a total of 626 patients with schizophrenia including 316 (50...
April 14, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28433514/cox-2-inhibition-potentiates-mouse-bone-marrow-stem-cell-engraftment-and-differentiation-mediated-wound-repair
#2
Ramasatyaveni Geesala, Neha R Dhoke, Amitava Das
BACKGROUND: Engraftment of transplanted stem cells is often limited by cytokine and noncytokine proinflammatory mediators at the injury site. We examined the role of Cyclooxygenase-2 (Cox-2)-induced cytokine-mediated inflammation on engraftment of transplanted bone marrow stem cells (BMSCs) at the wound site. METHODS: BMSCs isolated from male C57/BL6J mice were transplanted onto excisional splinting wounds in syngenic females in presence or absence of celecoxib, Cox-2 specific inhibitor (50 mg/kg, body weight [b wt]), to evaluate engraftment and wound closure...
April 19, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28430638/adjuvant-celecoxib-and-lanreotide-following-transarterial-chemoembolisation-for-unresectable-hepatocellular-carcinoma-a-randomized-pilot-study
#3
Huan Tong, Bo Wei, Shuang Chen, Yong-Mei Xie, Ming-Guang Zhang, Lin-Hao Zhang, Zhi-Yin Huang, Cheng-Wei Tang
Recurrence of hepatocellular carcinoma (HCC) after transarterial chemoembolisation (TACE) is common due to neoangiogenesis. Cyclooxygenase-2 inhibitors and somatostatin analogues were reported to inhibit tumour angiogenesis. The pilot randomized controlled trial was aimed to prospectively evaluate the protocol of TACE combined with celecoxib and lanreotide (TACE+C+L) in patients with unresectable and advanced HCC. A total of 71 patients with HCC were enrolled and randomly assigned to either TACE (n=35) or TACE+C+L (n=36) group...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427813/novel-pyrazoles-and-pyrazolo-1-2-a-pyridazines-as-selective-cox-2-inhibitors-ultrasound-assisted-synthesis-biological-evaluation-and-dft-calculations
#4
Nagat Ghareb, Hosam A Elshihawy, Mohamed M Abdel-Daim, Mohamed A Helal
COX-2 is an inducible enzyme mediating inflammatory responses. Selective targeting of COX-2 is useful for developing anti-inflammatory agents devoid of ulcerogenic activity. Herein, we report the design and synthesis of a series of pyrazoles and pyrazolo[1,2-a]pyridazines with selective COX-2 inhibitory activity and in vivo anti-inflammatory effect. Both series were accessed through acid-catalyzed ultrasound-assisted reactions. The most active compounds in this study are two novel molecules, 11 and 16, showing promising selectivity and decent IC50 of 16...
April 8, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28423516/the-addition-of-celecoxib-improves-the-antitumor-effect-of-cetuximab-in-colorectal-cancer-role-of-egfr-ras-foxm1-%C3%AE-catenin-signaling-axis
#5
Araceli Valverde, Jon Peñarando, Amanda Cañas, Laura M López-Sánchez, Francisco Conde, Silvia Guil-Luna, Vanessa Hernández, Carlos Villar, Cristina Morales-Estévez, Juan de la Haba-Rodríguez, Enrique Aranda, Antonio Rodríguez-Ariza
Here we showed that the addition of the COX-2 inhibitor celecoxib improved the antitumor efficacy in colorectal cancer (CRC) of the monoclonal anti-EGFR antibody cetuximab. The addition of celecoxib augmented the efficacy of cetuximab to inhibit cell proliferation and to induce apoptosis in CRC cells. Moreover, the combination of celecoxib and cetuximab was more effective than either treatment alone in reducing the tumor volume in a mouse xenograft model. The combined treatment enhanced the inhibition of EGFR signaling and altered the subcellular distribution of β-catenin...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418202/benzodioxole-pyrazole-hybrids-as-anti-inflammatory-and-analgesic-agents-with-cox-1-2-5-lox-inhibition-and-antioxidant-potential
#6
Heba A Abd El Razik, Mona H Badr, Attia H Atta, Samar M Mouneir, Marwa M Abu-Serie
Two series of benzodioxole-pyrazole hybrids were synthesized and the IC50 values for in vitro inhibition of the enzymes cyclooxygenase 1/2 (COX-1, COX-2) and 5-lipoxygenase (5-LOX) were investigated. All compounds were tested for their in vivo anti-inflammatory and analgesic potentials using diclofenac sodium as a reference standard. Compounds 4, 11, 17, 20, 21, 26, and 27, which showed good analgesic and/or anti-inflammatory activities, were also evaluated for their ability to inhibit tumor necrosis factor (TNF)-α production, myeloperoxidase and proteinase, beside their antioxidant activity...
April 18, 2017: Archiv der Pharmazie
https://www.readbyqxmd.com/read/28416371/modulation-by-nadph-oxidase-of-the-chronic-cardiovascular-and-autonomic-interaction-between-cyclosporine-and-nsaids-in-female-rats
#7
Ahmed F El-Yazbi, Karim S Ibrahim, Hanan M El-Gowelli, Nevine M El-Deeb, Mahmoud M El-Mas
Cyclosporine (CSA) and nonsteroidal antiinflammatory drugs (NSAIDs) are used together to manage arthritic disorders with an immune component. Previous reports showed contrasting effects for NSAIDs on CSA nephrotoxicity and acute elevations in blood pressure. Both effects were ameliorated or exaggerated after selective cyclooxygenase-2 (COX2) and nonselective COX inhibition, respectively. Here we investigated: (i) the interaction of CSA with NSAIDs possessing variable COX1/COX2 selectivities on hemodynamic, left ventricular (LV) and cardiac autonomic and histologic profiles, and (ii) role of NADPH-oxidase (NOX)/Rho-kinase (ROCK) pathway in the interaction...
April 14, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28415522/biocompatible-nanocomposite-scaffolds-based-on-copolymer-grafted-chitosan-for-bone-tissue-engineering-with-drug-delivery-capability
#8
Samaneh Saber-Samandari, Saeed Saber-Samandari
Significant efforts have been made to develop a suitable biocompatible scaffold for bone tissue engineering. In this work, a chitosan-graft-poly(acrylic acid-co-acrylamide)/hydroxyapatite nanocomposite scaffold was synthesized through a novel multi-step route. The prepared scaffolds were characterized for crystallinity, morphology, elemental analysis, chemical bonds, and pores size in their structure. The mechanical properties (i.e. compressive strength and elastic modulus) of the scaffolds were examined. Further, the biocompatibility of scaffolds was determined by MTT assays on HUGU cells...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28411407/new-1-2-diaryl-4-substituted-benzylidene-5-4h-imidazolone-derivatives-design-synthesis-and-biological-evaluation-as-potential-anti-inflammatory-and-analgesic-agents
#9
Khaled R A Abdellatif, Wael A A Fadaly
A new series of 1,2-diaryl-4-substituted-benzylidene-5-4H-imidazolone derivatives 10a-h was designed and synthesized for evaluation as selective COX-2 inhibitors, anti-inflammatory agents and as analgesic agents. All compounds were more selective for COX-2 isozyme and showed good in vivo anti-inflammatory activity. Compounds 10a, 10b, 10e and 10f were the most COX-2 selective compounds (S.I.=10.76, 10.87, 8.69 and 9.14 respectively), the most potent anti-inflammatory derivatives (ED50=65.7, 60.2, 76.3 and 107...
April 9, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28410794/nsaids-for-high-risk-patients-none-celecoxib-or-naproxen
#10
Patricia McGettigan, Anne-Marie Schjerning Olsen
No abstract text is available yet for this article.
April 11, 2017: Lancet
https://www.readbyqxmd.com/read/28410791/gastrointestinal-safety-of-celecoxib-versus-naproxen-in-patients-with-cardiothrombotic-diseases-and-arthritis-after-upper-gastrointestinal-bleeding-concern-an-industry-independent-double-blind-double-dummy-randomised-trial
#11
Francis K L Chan, Jessica Y L Ching, Yee Kit Tse, Kelvin Lam, Grace L H Wong, Siew C Ng, Vivian Lee, Kim W L Au, Pui Kuan Cheong, Bing Y Suen, Heyson Chan, Ka Man Kee, Angeline Lo, Vincent W S Wong, Justin C Y Wu, Moe H Kyaw
BACKGROUND: Present guidelines are conflicting for patients at high risk of both cardiovascular and gastrointestinal events who continue to require non-steroidal anti-inflammatory drugs (NSAIDs). We hypothesised that a cyclooxygenase-2-selective NSAID plus proton-pump inhibitor is superior to a non-selective NSAID plus proton-pump inhibitor for prevention of recurrent ulcer bleeding in concomitant users of aspirin with previous ulcer bleeding. METHODS: For this industry-independent, double-blind, double-dummy, randomised trial done in one academic hospital in Hong Kong, we screened patients with arthritis and cardiothrombotic diseases who were presenting with upper gastrointestinal bleeding, were on NSAIDs, and require concomitant aspirin...
April 11, 2017: Lancet
https://www.readbyqxmd.com/read/28409660/a-randomized-double-blind-placebo-controlled-trial-on-effectiveness-and-safety-of-celecoxib-adjunctive-therapy-in-adolescents-with-acute-bipolar-mania
#12
Seyed Yaser Mousavi, Rasoul Khezri, Mohammad-Ali Karkhaneh-Yousefi, Payam Mohammadinejad, Faezeh Gholamian, Mohammad Reza Mohammadi, Atefeh Zeinoddini, Shahin Akhondzadeh
OBJECTIVE: Recent studies have focused on the role of inflammatory cascades as one of the possible etiologic factors of bipolar disorder. We hypothesize that celecoxib, through its anti-inflammatory properties, may have a therapeutic role in acute bipolar mania. PATIENTS AND METHODS: Forty-two adolescent inpatients with the diagnosis of acute bipolar mania participated in a parallel, randomized, double-blind controlled trial, and 40 patients underwent an 8-week treatment with either celecoxib (100 mg twice daily) or placebo as an adjunctive treatment to lithium and risperidone...
April 14, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28407689/radioiodinated-indomethacin-amide-for-molecular-imaging-of-cyclooxygenase-2-expressing-tumors
#13
Agnieszka Morgenroth, Andreas T J Vogg, Bernd Neumaier, Felix M Mottaghy, Boris D Zlatopolskiy
Cyclooxygenase-2 (COX-2) is an important biomarker in several tumors. Available imaging probes display relatively low tumor to background ratios (smaller than 2:1). We evaluated newly developed indomethacin (Ind) derivatives for in vivo molecular imaging of COX-2 expressing carcinoma. Radioiodinated Ind derivatives Ind-NH-(CH2)4-NH-3-[I-125]I-Bz ([I-125]5), Ind-NH-(CH2)4-NH-5-[I-124/125]I-Nic ([I-124/125]6) and Ind-NH-(CH2)4-NH-5-[I-125]I-Iphth ([I-125]7) were prepared from the respective SnBu3-precursors (45-80% radiochemical yield; > 95% radiochemical purity)...
March 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28392344/after-skin-wounding-noncoding-dsrna-coordinates-prostaglandins-and-wnts-to-promote-regeneration
#14
Amadeus S Zhu, Ang Li, Tabetha S Ratliff, Martha Melsom, Luis A Garza
In a rare example akin to organogenesis in adult mammals, large wounds in mice lead to de novo morphogenesis of hair follicles. It is still not fully clear what controls this process, known as Wound Induced Hair Neogenesis (WIHN). In other tissues, prostaglandin E2 (PGE2) is an important effector of regeneration and has been shown to stimulate the Wnt/beta-catenin pathway, which in turn is known to control WIHN. Previously, our group has demonstrated that noncoding dsRNA released during wounding is both necessary and sufficient to stimulate WIHN through TLR3...
April 6, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28390993/new-hybrid-molecules-combining-benzothiophene-or-benzofuran-with-rhodanine-as-dual-cox-1-2-and-5-lox-inhibitors-synthesis-biological-evaluation-and-docking-study
#15
Mostafa M M El-Miligy, Aly A Hazzaa, Hanan El-Messmary, Rasha A Nassra, Soad A M El-Hawash
New molecular hybrids combining benzothiophene or its bioisostere benzofuran with rhodanine were synthesized as potential dual COX-2/5-LOX inhibitors. The benzothiophene or benzofuran scaffold was linked at position -2 with rhodanine which was further linked to various anti-inflammatory pharmacophores so as to investigate the effect of such molecular variation on the anti-inflammatory activity. The target compounds were evaluated for their in vitro COX/LOX inhibitory activity. The results revealed that, compound 5h exhibited significant COX-2 inhibition higher than celecoxib...
March 31, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28389995/cardiovascular-effect-of-inflammation-and-nonsteroidal-anti-inflammatory-drugs-on-renin-angiotensin-system-in-experimental-arthritis
#16
Waheed Asghar, Ali Aghazadeh-Habashi, Fakhreddin Jamali
A co-morbidity of inflammatory conditions is increased cardio-renal risks. Additionally, nonsteroidal anti-inflammatory drugs (NSAIDs) which are used to treat pain and inflammation are also associated with increase in such risks. We hypothesized that inflammation and NSAIDs impose the cardio-renal risk through the activation of the renin-angiotensin-system (RAS), a regulating pathway of the renal and cardiovascular homeostasis. We investigated the effect of adjuvant arthritis and NSAIDs on the RAS. Western blotting and ELISA were used to measure the RAS components...
April 7, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28386348/inhibition-of-cox-2-pge2-cascade-ameliorates-cisplatin-induced-mesangial-cell-apoptosis
#17
Xiaowen Yu, Yunwen Yang, Hui Yuan, Meng Wu, Shuzhen Li, Wei Gong, Jing Yu, Weiwei Xia, Yue Zhang, Guixia Ding, Songming Huang, Zhanjun Jia, Aihua Zhang
Cisplatin is one of the most potent cytotoxic drug for the treatment of many types of cancer. However, the side effects on normal tissues, particularly on the kidney, greatly limited its use in clinic. Emerging evidence demonstrated that cisplatin could directly cause mesangial cell apoptosis, while the potential mechanism is still elusive. Here we examined the contribution of COX-2 in cisplatin-induced mesangial cell apoptosis. Firstly, we found cisplatin induced cell apoptosis in mesangial cells shown by increased number of apoptotic cells in parallel with the upregulation of Bax and the downregulation of Bcl-2...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28386336/celecoxib-enhances-the-radiosensitivity-of-hct116-cells-in-a-cox-2-independent-manner-by-up-regulating-bccip
#18
Xiao-Ting Xu, Wen-Tao Hu, Ju-Ying Zhou, Yu Tu
It has been reported that celecoxib, a cyclooxygenase-2 (COX-2)-selective nonsteroidal anti-inflammatory drug (NSAID), regulates the radiosensitivity of several cancer cells. BCCIP (BRCA2 and CDKN1A interacting protein) plays a critical role in maintaining the critical functions of p53 in tumor suppression and response to therapy. However, whether the effect of celecoxib on the radiosensitivity of colorectal cancer (CRC) cells is dependent on BCCIP is largely unclear. In this study, we found that celecoxib enhanced the radiosensitivity of HeLa (a human cervical carcinoma cell line), A549 (a human lung carcinoma cell line), and HCT116 cells (a human CRC cells line)...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28384832/obsessive-compulsive-disorder-advances-in-diagnosis-and-treatment
#19
Matthew E Hirschtritt, Michael H Bloch, Carol A Mathews
Importance: Obsessive-compulsive disorder (OCD) is a neuropsychiatric disorder associated with significant impairment and a lifetime prevalence of 1% to 3%; however, it is often missed in primary care settings and frequently undertreated. Objective: To review the most current data regarding screening, diagnosis, and treatment options for OCD. Evidence Review: We searched PubMed, EMBASE, and PsycINFO to identify randomized controlled trials (RCTs), meta-analyses, and systematic reviews that addressed screening and diagnostic and treatment approaches for OCD among adults (≥18 years), published between January 1, 2011, and September 30, 2016...
April 4, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28384657/metronomic-chemotherapy-vs-best-supportive-care-in-progressive-pediatric-solid-malignant-tumors-a-randomized-clinical-trial
#20
Raja Pramanik, Sandeep Agarwala, Yogendra Kumar Gupta, Sanjay Thulkar, Sreenivas Vishnubhatla, Atul Batra, Deepa Dhawan, Sameer Bakhshi
Importance: Although oral metronomic chemotherapy is often used in progressive pediatric solid malignant tumors, a literature review reveals that only small single-arm retrospective or phase 1 and 2 studies have been performed. Skepticism abounds because of the lack of level 1 evidence. Objectives: To compare the effect of metronomic chemotherapy on progression-free survival (PFS) with that of placebo in pediatric patients with primary extracranial, nonhematopoietic solid malignant tumors that progress after at least 2 lines of chemotherapy...
April 6, 2017: JAMA Oncology
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