Pharmaceutical composition capable of treating pain and application thereof
A drug and combination technology, applied in the field of medicine, can solve problems such as adverse reactions, achieve strong and long-lasting analgesic effect, reduce the dosage of drugs, and reduce the effects of drug side effects
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Embodiment 1
[0039] Paclitaxel-induced neuropathic pain in mice can be treated by combining indomethacin and duloxetine; see Example 1 for details;
Embodiment 2
[0040] Paclitaxel-induced neuropathic pain in mice can be treated by the combination of meloxicam and duloxetine; see Example 2 for details;
[0041] The inflammatory pain induced by carrageenan can be treated by the combination of indomethacin and duloxetine; see Example 3 for details;
[0042] The inflammatory pain induced by carrageenan can be treated by combination of meloxicam and duloxetine; see Example 4 for details.
[0043] Example 1: Evaluation of the efficacy of indomethacin combined with duloxetine on paclitaxel-induced neuropathic pain in mice
[0044] Experimental animals: adult male ICR mice, body weight (22±4g), purchased from Pizhou Dongfang Breeding Farm, certificate number: NO.202149615.
[0045] Experimental materials: indomethacin and paclitaxel were purchased from Shanghai Macklin Biochemical Technology Co., Ltd.; duloxetine, polyoxyethylene castor oil EL, and sodium carboxymethylcellulose were purchased from Shanghai Aladdin Biochemical Technology Co., ...
Embodiment 3
[0067] Example 3: Evaluation of the efficacy of indomethacin combined with duloxetine on carrageenan-induced inflammatory pain in rats
[0068] Experimental animals: adult male SD rats, body weight (240±30g), purchased from Pizhou Dongfang Farm, certificate number: NO.202149615.
[0069] Experimental materials: Indomethacin was purchased from Shanghai McLean Biochemical Technology Co., Ltd.; duloxetine, sodium carboxymethylcellulose, and carrageenan were purchased from Shanghai Aladdin Biochemical Technology Co., Ltd.; physiological saline was purchased from Jiangsu Huaian Shuang Crane Pharmaceutical Co., Ltd.
[0070] Preparation method: indomethacin: use 0.5% carboxymethylcellulose sodium solution as the solvent to prepare indomethacin suspension, the concentrations are 1.25mg / mL, 2.5mg / mL, 5mg / mL, 10mg / mL; Duloxetine: use normal saline as solvent to prepare duloxetine solution, the concentrations are 5mg / mL, 10mg / mL, 15mg / mL, 30mg / mL; carrageenan: use normal saline as solv...
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