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Antinociceptive local effect of the combination of dexketoprofen trometamol and chlorhexidine gluconate in a formalin test: an additive effect BJPS
Esparza-Villalpando,Vicente; Chavarria-Bolaños,Daniel; Zapata-Morales,Juan Ramón; Vértiz-Hernández,Antonio; Pozos-Guillén,Amaury.
ABSTRACT A drug delivery system (DDS) with analgesic and antibacterial properties would be desirable for the local control of post-operatory pain and the prevention for surgical site infection (SSI). The objective of the present study was to evaluate the antinociceptive effect of the combination between dexketoprofen trometamol (DXT) and chlorhexidine gluconate (CHX) in the formalin pain model. Different doses of CHX were combined with DXT and were locally administered in rats paw simultaneously with 5% formalin dilution. Flinches were documented and the antinociceptive effect was calculated. The area under the curve of each experimental group were calculated and the % of antinociception were compared. The groups of CHX and DXT showed similar...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Antinociception/effects; Formalin test; Dexketoprofen trometamol; Chlorhexidine.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502018000200601
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Antinociceptive local activity of 4-allyl-1-hydroxy-2-methoxybenzene (eugenol) by the formalin test: an anti-inflammatory effect BJPS
Lugo-Lugo,Daniela Elizabeth; Pozos-Guillén,Amaury de Jesús; Zapata-Morales,Juan Ramón; Rodríguez-Chong,Antonio; Rangel-López,Azahel de Jesús; Saavedra-Leos,María Zenaida; Vértiz-Hernández,Angel Antonio.
Eugenol has been employed for decades as a condiment, an antimycotic, an antibacterial, an antiviral, and an antioxidant, and it is one of the natural analgesics most frequently utilized for pain and inflammation. Our objective was to determine the analgesic/anti-inflammatory effect of eugenol compared with diclofenac, naproxen, and tramadol using the formalin test. The formalin method was used in 6- to 10-week-old Wistar rats (weighing 250 g each) divided into six groups: saline (0.9%); formalin (5%); diclofenac (250 µg/kg); naproxen (400 µg/kg); tramadol (500 µg/kg), and eugenol (1,400 µg/kg), in the intraplantar part of the hind-end trunk of the rats, with n = 5 per group. Eugenol diminished 44.4% of nociceptive behavior in phase 1 and 48% in phase 2 (p...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Eugenol/analgesic/anti-inflammatory effect; Diclofenac effect; Antinociception; Formalin test; Pain.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502019000100536
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Hydrocortisone release from tablets based on bioresorbable poly(ether-ester-urethane)s BJPS
Orozco-Castellanos,Luis Manuel; Marcos-Fernández,Angel; Alonso-Castro,Angel Josabad; González-García,Gerardo; Báez-García,José Eduardo; Rivera-Leyva,Julio Cesar; Zapata-Morales,Juan Ramón; Ruiz-Padilla,Alan Joel.
Abstract Bioresorbable linear poly(ether-ester-urethane)s with different hydrophilic characteristics were synthesized from triblock copolymers of poly(ε-caprolactone)-poly(ethylene oxide)-poly(ε-caprolactone) (PCL-PEO) as macrodiols, and L-lysine diisocyanate (LDI) or hexamethylenediisocyanate (HDI) were used as the required diisocyanates. Macrodiols were obtained by ring-opening polymerization (ROP) of ε-caprolactone (CL). Polyurethanes were synthesized by the reaction of the triblock copolymers with LDI or HDI in solution using stannous 2-ethylhexanoate as catalyst. Polyurethane tablets were fabricated and investigated as prospective drug delivery systems. The effect of the PEO content on the polymers' performance as drug carriers was evaluated. It was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bioresorbable polyurethanes; Drug delivery; Hydrocortisone; Macrodiol..
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502017000100629
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