CN106138129A - 一种治疗口腔溃疡疾病的中药复方温敏凝胶剂 - Google Patents
一种治疗口腔溃疡疾病的中药复方温敏凝胶剂 Download PDFInfo
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- CN106138129A CN106138129A CN201610716756.5A CN201610716756A CN106138129A CN 106138129 A CN106138129 A CN 106138129A CN 201610716756 A CN201610716756 A CN 201610716756A CN 106138129 A CN106138129 A CN 106138129A
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Abstract
本发明公开了一种治疗口腔溃疡疾病的中药复方温敏凝胶剂,按照重量百分比的原料组成如下:基质17‑35%、药材及药材提取液5‑30%,余量为溶剂;所述药材及药材提取液由青黛提取液、五倍子提取液和辅助药材组成;所述辅助药材为白及提取液、冰片药材中的一种或两种组合。该中药复方温敏凝胶剂以四种中药青黛、五倍子、白及、冰片作为基本方,制成温敏凝胶剂,以溶液状态给药即在给药部位发生相变的半固体制剂,具有加强药物与口腔黏膜接触时间、减低突释作用、缓慢的释放药物、增加吸收和延长作用时间的功效,能加快创面愈合,有效治疗复发性口腔溃疡,工艺成熟,易于实现工业化生产,制备过程中仅使用水和乙醇作为提取溶剂,没有环境污染。
Description
技术领域
本发明涉及中药技术领域,具体是一种治疗口腔溃疡疾病的中药复方温敏凝胶剂。
背景技术
复发性阿弗他溃疡( Recurrent Aphthous Ulcers ,RAU) 又称复发性阿弗他口炎、复发性口腔溃疡、复发性口疮,是口腔溃疡疾病中发病率最高的一种疾病,是常见的、发生在口腔黏膜非角化区的、圆形或椭圆性的浅表溃疡,具有灼痛、复发、自限等特点,发病率约为20%,在某些特定人群中可高达66%。复发性阿弗他溃疡的发病原因可能与多种因素有关,但其根本病因及发病机制尚未完全明确,所以目前仍无根治方法。对于该疾病的治疗,并没有特效药物可以使用,且使用的药物长期疗效不佳,目前的治疗主要是缓解口腔溃疡患者局部疼痛及降低口腔溃疡发生的频率,并没有有效的治愈方法。西医以消炎止痛、防止继发感染、促进愈合为原则,中医药方法治疗疾病注重整体辩证施治,在治疗上较西医有一定优势。
口腔溃疡疾病,例如复发性口腔溃疡,多发作在口腔粘膜上,中医现常用的治疗该疾病的中药剂型有散剂、汤剂、丸剂等。以上剂型由于服药量大、顺应性差或使用不方便、作用时间短、疗效不确切等原因,在临床应用中不能被患者接受和喜爱。由于口腔黏膜面积约200cm2,血流丰富,较皮肤更易被药物穿透,其吸收基本为肠外途径,可避开肝脏的首过效应以及胃肠道的破坏与降解;口腔黏膜给药途径简单易行,该途径有可能使剂量更为精确,起到小剂量大效应的作用;口腔黏膜给药可以根据组织通透情况进行局部调整,便于紧急清除,且相较于其他黏膜给药途径,口腔黏膜给药不容易造成黏膜伤害。故选用口腔黏膜给药方式,以温敏凝胶的剂型作用于口腔黏膜不仅可以增加药物的作用效果,还可以带来比较好的用药体验。选用具有温敏性质的温敏型原位凝胶,以溶液状态给药即在给药部位发生相变的半固体制剂,具有加强药物与口腔黏膜接触时间,增加吸收和延长作用时间的优点。相比较与其他水溶性凝胶基质,P407形成凝胶的温度较低,且浓度越高,凝胶黏度越高,胶凝温度越低,黏附作用力越强,因此温敏凝胶以泊洛沙姆407为基质。目前治疗口腔溃疡疾病方面的凝胶剂型相关的专利,有申请号为CN201410108970.3的专利公开的一种壳聚糖碘蜂蜜温敏凝胶,申请号为CN200810047995.1的专利公开的甘草酸、甘草次酸或其盐或其衍生物温敏凝胶。这些制剂在治疗口腔溃疡方面具有疗效较好,但其疗效仍然具有较大的提升空间,研发一种疗效更加优异的治疗口腔溃疡疾病的温敏凝胶剂将具有巨大的社会价值和市场价值。
发明内容
本发明的目的在于提供一种治疗口腔溃疡疾病的中药复方温敏凝胶剂,通过口腔黏膜给药,一定时间内持续作用于药效部位达到缓释作用,患者通过在患处涂抹液态凝胶并在体温下达到胶凝,药材提取物直接通过口腔黏膜作用于患处,增加了药物与患处的接触时间,从而有效加快创面愈合,治疗口腔溃疡,患者只需要在需要的时候随时涂抹于患处即可达到治疗效果。不仅口服没有副作用,安全系数高,还避免了通过长期使用抗生素和化学合成药造成的口腔微生态平衡状况,更是通过一种温和的作用方式和较好的治疗效果给患者带来的良好的治疗体验。
为实现上述目的,本发明提供如下技术方案:
一种治疗口腔溃疡疾病的中药复方温敏凝胶剂,按照重量百分比的原料组成如下:基质17-35%、药材及药材提取液5-30%,余量为溶剂。
作为本发明进一步的方案:所述药材及药材提取液由青黛提取液、五倍子提取液和辅助药材组成。
作为本发明再进一步的方案:所述辅助药材为白及提取液、冰片药材中的一种或两种组合。
作为本发明再进一步的方案:所述药材及药材提取液中青黛提取液、五倍子提取液、白及提取液和冰片药材的重量比为(4-8):(4-8):(0-2.5):(0.5-2.5)。
作为本发明再进一步的方案:所述青黛提取液的提取条件为:提取温度50-90℃,提取溶剂60-100%乙醇,提取次数1-4次,料液比1:(1-3),浓缩后提取液生药浓度为0.5-2g/ml;所述五倍子提取液的提取条件可为:提取温度30-60℃,提取溶剂为水或30-60%乙醇,提取次数1-4次,料液比1:(1-3),浓缩后提取液生药浓度为0.5-2g/ml;所述白及提取液的提取条件为:提取温度50-90℃,提取溶剂为水,提取次数1-4次,料液比1:(1-3),浓缩后提取液生药浓度为0.5-1g/ml。
作为本发明再进一步的方案:所述基质由泊洛沙姆基质和辅料组成,泊洛沙姆基质在所述治疗口腔溃疡疾病的中药复方温敏凝胶剂中的重量百分比含量为17-32%,辅料在所述治疗口腔溃疡疾病的中药复方温敏凝胶剂中的重量百分比含量为0-6%。
作为本发明再进一步的方案:所述辅料为粘合剂、保湿剂、防腐剂、稳定剂、PH调节剂和释放调节剂中的一种或多种的混合物。
作为本发明再进一步的方案:所述泊洛沙姆基质选自选自泊洛沙姆407或泊洛沙姆188。
作为本发明再进一步的方案:所述粘合剂选自聚乙二醇200(PEG200)、聚乙二醇300(PEG300)、聚乙二醇400(PEG400)、聚乙二醇600(PEG600)、聚乙二醇2 000(PEG2000)、聚乙二醇4 000(PEG4000)、聚乙二醇6 000(PEG6000)、聚乙二醇8 000(PEG8000),卡波姆934、卡波姆940、卡波姆941、羟丙基甲基纤维素(HMPC)、羟丙基纤维素(HPC)、羧甲基纤维素钠(CMC-Na)和乙基纤维素(EC)中的一种或多种的混合物;所述保湿剂选自甘油、丙二醇和山梨醇中的一种或若干种的混合物;所述防腐剂和稳定剂选自尼泊金甲酯、尼泊金乙酯、尼泊金丙酯、尼泊金甲酯钠和山梨酸钾中的一种或若干种的混合物;所述PH调节剂选自碳酸氢钠、一水柠檬酸、无水柠檬酸和柠檬酸钠中的一种或若干种的混合物;所述释放调节剂选自无水葡萄糖、甘油、氯化钠和D-甘露糖醇中的一种或若干种的混合物。
作为本发明再进一步的方案:所述溶剂为纯化水。
与现有技术相比,本发明的有益效果是:
本发明是根据传统中医治疗复发口腔溃疡的多种谴方中挑选出两种具有显著疗效的药材青黛和五倍子作为君药,辅助以白及和冰片药材,以期达到促进创面愈合,增强治疗效果的作用。除此之外,选用具有温敏效果的凝胶基质配合药材提取液,其制剂中的有效物质能够通过在创面形成胶凝,从而达到加强药物与口腔黏膜接触时间、增加吸收和延长作用时间的功效,能加快创面愈合,有效治疗复发性口腔溃疡疾病,工艺成熟,易于实现工业化生产。
附图说明
图1为实施例1治疗口腔溃疡疾病的中药复方温敏凝胶剂的体外释放曲线示意图。
具体实施方式
下面结合具体实施方式对本发明的技术方案作进一步详细地说明。
实施例1
一种治疗口腔溃疡疾病的中药复方温敏凝胶剂,配方如下(每10g凝胶剂)。
其制备方法为:量取所需纯化水置于磁力搅拌器上的冰水浴中,边搅拌边慢慢加入准确称量的泊洛沙姆407、PEG6000,当泊洛沙姆407颗粒被水浸润后倒入称量过的三角锥形瓶中,置于冰箱中冷藏保存,直至得到澄清、无团块、分散均匀的溶液。向溶液中加入0.95ml药材提取液及0.05g冰片药材,并称量凝胶净重,加纯化水补足重量(10g),搅拌均匀。
胶凝温度的测定:采用转子法,将制备的温度敏感型凝胶剂样品5 g 于西林瓶中,将温度计插入凝胶溶液中。将西林瓶置于可加热的磁力搅拌器上,缓慢升温,升温速率为 1℃·min-1,磁力搅拌子完全停止转动的温度即为 Tgel ,平行测定 3 次。
按中国药典(2015版)释放度测定法的第三法测定温敏凝胶的体外释放曲线。在(37±0.5)℃下,以 500 mL纯化水为释放介质,浆法,搅拌速度为 100 r·min-1。在2h内每15min取样5ml,同时补充同温度同体积的释放介质。取出溶出介质用50%甲醇定容后,摇匀,高效液相色谱法测定青黛相关成分及没食子酸的浓度,计算释放度。
温敏凝胶的体外释放曲线见附图1。
实施例2
一种治疗口腔溃疡疾病的中药复方温敏凝胶剂,配方如下(每10g凝胶剂)。
其制备方法为:量取所需纯化水置于磁力搅拌器上的冰水浴中,边搅拌边慢慢加入准确称量的泊洛沙姆188、PEG6000、HMPC,当泊洛沙姆188颗粒被水浸润后倒入称量过的三角锥形瓶中,置于冰箱中冷藏保存,直至得到澄清、无团块、分散均匀的溶液。向溶液中加入0.9ml药材提取液及0.1g冰片药材,并称量凝胶净重,加纯化水补足重量(10g),搅拌均匀。
实施例3
一种治疗口腔溃疡疾病的中药复方温敏凝胶剂,配方如下(每10g凝胶剂)。
其制备方法为:量取所需纯化水置于磁力搅拌器上的冰水浴中,边搅拌边慢慢加入准确称量的泊洛沙姆407、PEG6000、卡波姆934和甘油,当泊洛沙姆颗粒被水浸润后倒入称量过的三角锥形瓶中,置于冰箱中冷藏保存,直至得到澄清、无团块、分散均匀的溶液。向溶液胶中加入0.9ml药材提取液及0.1g冰片药材,并称量凝胶净重,加纯化水补足重量(10g),搅拌均匀。
实施例4
一种治疗口腔溃疡疾病的中药复方温敏凝胶剂,配方如下(每10g凝胶剂)。
其制备方法为:量取所需纯化水置于磁力搅拌器上的冰水浴中,边搅拌边慢慢加入准确称量的泊洛沙姆118、PEG8000、卡波姆940和甘油,当泊洛沙姆118颗粒被水浸润后倒入称量过的三角锥形瓶中,置于冰箱中冷藏保存,直至得到澄清、无团块、分散均匀的溶液。向溶液胶中加入2.5ml药材提取液及0.5g冰片药材,并称量凝胶净重,加纯化水补足重量(10g),搅拌均匀。
实施例5
一种治疗口腔溃疡疾病的中药复方温敏凝胶剂,配方如下(每10g凝胶剂)。
其制备方法为:量取所需纯化水置于磁力搅拌器上的冰水浴中,边搅拌边慢慢加入准确称量的泊洛沙姆118、PEG2000、尼泊金甲酯和丙二醇,当泊洛沙姆118颗粒被水浸润后倒入称量过的三角锥形瓶中,置于冰箱中冷藏保存,直至得到澄清、无团块、分散均匀的溶液。向溶液胶中加入0.45ml药材提取液及0.05g冰片药材,并称量凝胶净重,加纯化水补足重量(10g),搅拌均匀。
所述治疗口腔溃疡疾病的中药复方温敏凝胶剂包括青黛、五倍子、白及和冰片,方中青黛咸寒,具有清热解毒、凉血止血之功。用于温毒发斑,血热吐衄,胸痛咳血,口疮,痄腮。五倍子止血,收湿敛疮。两药同用既使上炎之火得散,又止血敛疮生肌。白及清热利湿,收敛止血,消肿生肌,和五倍子合用不但止血力强,且促进溃疡的愈合。冰片辛香走窜,微寒清泄,外用清热止痛,消肿生肌,为治热毒肿痛之良药。现代药理学研究表明青黛具有抗菌、抗炎、镇痛等作用。五倍子因含有鞣酸对蛋白质有沉淀作用,皮肤、粘膜、溃疡接触鞣酸后,其组织蛋白质即被凝固,形成一层被膜而呈收敛作用,同时小血管也被压迫收缩, 血液凝结而奏止血之功效。白及具有止血抗菌等作用。冰片也具有抗菌抗炎止痛的作用。方中青黛和五倍子作为君药,两药合用既清热解毒又止血敛疮生肌,辅以白及及冰片抗菌抗炎止痛,治疗机理与发病机制相合。以上诸药合用具有抗炎镇痛、抗病原微生物、改善微循环等作用,可促进复发性口腔溃疡患者局部溃疡愈合,减轻疼痛,减少复发,提高总体疗效,最终改善生活质量。通过采用中药复方治疗口腔溃疡,采用中药材经提取后提取液用于制剂,作用于口腔黏膜,不仅口服没有副作用,安全系数高,还避免了通过长期使用抗生素和化学合成药造成的口腔微生态平衡,更是通过一种温和的作用方式和较好的治疗效果给患者带来的良好的治疗体验。
上面对本发明的较佳实施方式作了详细说明,但是本发明并不限于上述实施方式,在本领域的普通技术人员所具备的知识范围内,还可以在不脱离本发明宗旨的前提下作出各种变化。
Claims (10)
1.一种治疗口腔溃疡疾病的中药复方温敏凝胶剂,其特征在于,按照重量百分比的原料组成如下:基质17-35%、药材及药材提取液5-30%,余量为溶剂。
2.根据权利要求1所述的治疗口腔溃疡疾病的中药复方温敏凝胶剂,其特征在于,所述药材及药材提取液由青黛提取液、五倍子提取液和辅助药材组成。
3.根据权利要求2所述的治疗口腔溃疡疾病的中药复方温敏凝胶剂,其特征在于,所述辅助药材为白及提取液、冰片药材中的一种或两种组合。
4.根据权利要求3所述的治疗口腔溃疡疾病的中药复方温敏凝胶剂,其特征在于,所述药材及药材提取液中青黛提取液、五倍子提取液、白及提取液和冰片药材的重量比为(4-8):(4-8):(0-2.5):(0.5-2.5)。
5.根据权利要求4所述的治疗口腔溃疡疾病的中药复方温敏凝胶剂,其特征在于,所述青黛提取液的提取条件为:提取温度50-90℃,提取溶剂60-100%乙醇,提取次数1-4次,料液比1:(1-3),浓缩后提取液生药浓度为0.5-2g/ml;所述五倍子提取液的提取条件可为:提取温度30-60℃,提取溶剂为水或30-60%乙醇,提取次数1-4次,料液比1:(1-3),浓缩后提取液生药浓度为0.5-2g/ml;所述白及提取液的提取条件为:提取温度50-90℃,提取溶剂为水,提取次数1-4次,料液比1:(1-3),浓缩后提取液生药浓度为0.5-1g/ml。
6.根据权利要求1或2或3或4或5所述的治疗口腔溃疡疾病的中药复方温敏凝胶剂,其特征在于,所述基质由泊洛沙姆基质和辅料组成,泊洛沙姆基质在所述治疗口腔溃疡疾病的中药复方温敏凝胶剂中的重量百分比含量为17-32%,辅料在所述治疗口腔溃疡疾病的中药复方温敏凝胶剂中的重量百分比含量为0-6%。
7.根据权利要求6所述的治疗口腔溃疡疾病的中药复方温敏凝胶剂,其特征在于,所述辅料为粘合剂、保湿剂、防腐剂、稳定剂、PH调节剂和释放调节剂中的一种或多种的混合物。
8.根据权利要求7所述的治疗口腔溃疡疾病的中药复方温敏凝胶剂,其特征在于,所述泊洛沙姆基质选自选自泊洛沙姆407或泊洛沙姆188。
9.根据权利要求8所述的治疗口腔溃疡疾病的中药复方温敏凝胶剂,其特征在于,所述粘合剂选自聚乙二醇200(PEG200)、聚乙二醇300(PEG300)、聚乙二醇400(PEG400)、聚乙二醇600(PEG600)、聚乙二醇2 000(PEG2000)、聚乙二醇4 000(PEG4000)、聚乙二醇6 000(PEG6000)、聚乙二醇8 000(PEG8000),卡波姆934、卡波姆940、卡波姆941、羟丙基甲基纤维素(HMPC)、羟丙基纤维素(HPC)、羧甲基纤维素钠(CMC-Na)和乙基纤维素(EC)中的一种或多种的混合物;所述保湿剂选自甘油、丙二醇和山梨醇中的一种或若干种的混合物;所述防腐剂和稳定剂选自尼泊金甲酯、尼泊金乙酯、尼泊金丙酯、尼泊金甲酯钠和山梨酸钾中的一种或若干种的混合物;所述PH调节剂选自碳酸氢钠、一水柠檬酸、无水柠檬酸和柠檬酸钠中的一种或若干种的混合物;所述释放调节剂选自无水葡萄糖、甘油、氯化钠和D-甘露糖醇中的一种或若干种的混合物。
10.根据权利要求9所述的治疗口腔溃疡疾病的中药复方温敏凝胶剂,其特征在于,所述溶剂为纯化水。
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