• Title, Summary, Keyword: Flurbiprofen axetil

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Preparation and Evaluation of Flurbiprofen- and Flurbiprofen Axetil-loaded Microemulsion (플루비프로펜 및 플루비프로펜 악세틸이 함유된 마이크로에멀젼의 제조 및 평가)

  • Shin, Kwang-Hyun;Hwang, Sung-Joo;Park, Kyung-Mi;Kim, Chong-Kook
    • YAKHAK HOEJI
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    • v.41 no.5
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    • pp.607-614
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    • 1997
  • Flurbiprofen- and flurbiprofen axetil-loaded microemulsions composed of soybean oil, poloxamer 407, glycerine and water were prepared by generator-type homgenizer and ultrasoni c probe system. The particle size of microemulsions was measured by the dynamic light scattering method. The pharmacokinetics and organ distribution of flurbiprofen were investigated after intravenous injection of flurbiprofen solution, flurbiprofen-loaded microemulsion and flurbiprofen axetil-loaded microemulsions equivalent to 10mg/kg of flurbiprofen to rats. Blood samples were collected from the anterior ciliary artery of rats for 24hr, and flurbiprofen in plasma and organs was analyzed by HPLC. Stable microemulsions were prepared. Even though there is a little change in droplet size just after the preparation, no creaming and no separation were occured during the storage period for 6 months at 4, 21, 37 and 45$^{\circ}C$. Pharmacokinetic parameters and organ distribution of flurbiprofen after intravenous injection of flurbiprofen- and flurbiprofen axetil-loaded microemulsions emulsified with poloxamer 407 were not significantly different from those of commercial lipid microemulsion emulsified with lecithin. Therefore, it is concluded that flurbiprofen- and flurbiprofen axetil-loaded microemulsion prepared with poloxamer 407 could be used as a parenteral formulation.

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Intravenous Flurbiprofen Axetil Enhances Analgesic Effect of Opioids in Patients with Refractory Cancer Pain by Increasing Plasma β-Endorphin

  • Wu, Ting-Ting;Wang, Zhi-Gang;Ou, Wu-Ling;Wang, Jun;Yao, Guo-Qing;Yang, Bo;Rao, Zhi-Guo;Gao, Jian-Fei;Zhang, Bi-Cheng
    • Asian Pacific Journal of Cancer Prevention
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    • v.15 no.24
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    • pp.10855-10860
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    • 2015
  • Background: The study aimed to investigate the analgesic effect of a combination of intravenous flurbiprofen axetil and opioids, and evaluate the relationship between refractory pain relief and plasma ${\beta}$-endorphin levels in cancer patients. Materials and Methods: A total of 120 cancer patients was randomly divided into two groups, 60 patients took orally morphine sulfate sustained-release tablets in group A, and another 60 patients receiving the combination treatment of intravenous flurbiprofen axetil and opioid drugs in group B. After 7 days, pain relief, quality of life improvement and side effects were evaluated. Furthermore, plasma ${\beta}$-endorphin levels were measured by radioimmunoassay. Results: With the combination treatment of intravenous intravenous flurbiprofen axetil and opioids, the total effective rate of pain relief rose to 91.4%, as compared to 82.1% when morphine sulfate sustained-release tablet was used alone. Compared with that of group A, the analgesic effect increased in group B (p=0.031). Moreover, satisfactory pain relief was associated with a significant increase in plasma ${\beta}$-endorphin levels. After the treatment, plasma ${\beta}$-endorphin level in group B was $62.4{\pm}13.5pg/ml$, which was higher than that in group A ($45.8{\pm}11.2pg/ml$) (p<0.05). Conclusions: Our results suggest the combination of intravenous flurbiprofen axetil and opioids can enhance the analgesic effect of opioid drugs by increasing plasma ${\beta}$-endorphin levels, which would offer a selected and reliable strategy for refractory cancer pain treatment.