CN111494376A - 一种用于治疗牙龈炎的药物及其制备方法 - Google Patents
一种用于治疗牙龈炎的药物及其制备方法 Download PDFInfo
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Abstract
本发明涉及牙周病的治疗的技术领域,更具体地涉及一种用于治疗牙龈炎的药物及其制备方法。特别地,所述用于治疗牙龈炎的药物是以2‑{1‑乙基‑4‑[2‑(3‑氟‑4‑甲基‑苯基)‑乙基]‑3‑甲基‑1,4,6,7‑四氢‑吡唑并[4,3‑c]吡啶‑5‑基}‑N‑甲基‑2‑苯基‑乙酰胺、薄荷醇、羧甲基纤维素钠、黄原胶、丙二醇、乙二胺四乙酸钠、柠檬酸和去离子水为原料制成的供口腔局部使用的凝胶组合物。该药物适合于牙龈炎的护理。
Description
技术领域
本发明涉及牙周病的治疗的技术领域,更具体地涉及一种用于治疗牙龈炎的药物及其制备方法。
背景技术
牙周病是由于炎症所导致的发生在牙周组织的疾病。根据炎症的轻重程度不同,以及累及的牙周组织的范围的不同,可分为仅累及牙龈组织的牙龈炎和波及深层牙周组织如牙周膜、牙槽骨、牙骨质的牙周炎两大类。随着现代社会的不断发展,牙周病已经成为口腔疾病中的常见病和多发病,如果得不到及时的治疗和控制,严重时会导致牙齿的松动甚至脱落,也是引起成年人牙齿丧失的主要原因,同时也会严重削弱咀嚼功能,导致营养不良和生活质量的下降。
据估计,牙龈炎作为常见的口腔慢性疾病,发病率在人群中可高达70%至90%。牙龈炎的病变一般仅局限于牙龈;由于牙菌斑的形成和积累是牙龈炎的主要致病因素,因此控制和消除牙菌斑对于牙龈炎的治疗非常重要。目前医学上常用的牙菌斑的控制方法包括机械法、化学法和免疫法等。其中,机械法是应用最早的,但是其对口腔科医生的技术依赖性较强,故难以大范围推广,因而本领域许多学者致力于研究有效的抗菌斑药物,用于控制牙菌斑和治疗牙周疾病,并且已取得了一定的效果。
经检索,现有技术公开了一些用于治疗牙龈炎的药物。例如,中国发明专利申请CN109674867A公开了一种用于过敏性牙周炎和牙龈炎的药物及其制备方法,所述药物主要由木犀、松花粉壳、火炭母、绞股蓝、淫羊藿、臭山羊作为原料,通过取上述药物,与药物中可接受的辅料进行组合,或不加辅料,按照常规方法进行加工,制成相应的药物制剂。另外,中国发明专利申请CN108653399A公开了一种治疗牙龈炎的消炎含片,其是由连翘、薄荷、乳香、冰片、硼砂五种组份研磨成粉末后压缩制成的口服含片。
现有技术公开的用于治疗牙龈炎的药物中有不少是通过以中药材为主要原料制备的,故存在着原料质量难以控制、制备工艺繁琐、成品保质期短等缺点。因此,寻找简单、有效的治疗牙周病,特别是牙龈炎的药物及其制备方法是本领域技术人员旨在解决的技术问题。
发明内容
本发明所要解决的技术问题是提供一种用于治疗牙龈炎的药物。本发明所要解决的另一个技术问题是提供这种药物的制备方法。
特别地,所述用于治疗牙龈炎的药物是以2-{1-乙基-4-[2-(3-氟-4-甲基-苯基)-乙基]-3-甲基-1,4,6,7-四氢-吡唑并[4,3-c]吡啶-5-基}-N-甲基-2-苯基-乙酰胺(以下简称为“本发明的化合物”)、薄荷醇、羧甲基纤维素钠、黄原胶、丙二醇、乙二胺四乙酸钠、柠檬酸和去离子水为原料制成的供口腔局部使用的凝胶组合物。
为此,本发明提供一种用于治疗牙龈炎的药物,其是由以下重量份的原料制成的供口腔局部使用的凝胶组合物:
例如,在一个优选的实施方案中,本发明提供一种用于治疗牙龈炎的药物,其是由以下重量份的原料制成的供口腔局部使用的凝胶组合物:
在进一步优选的实施方案中,本发明提供一种用于治疗牙龈炎的药物,其是由以下重量份的原料制成的供口腔局部使用的凝胶组合物:
在另一个实施方案中,本发明提供一种用于制备所述的用于治疗牙龈炎的药物的方法,其包括如下步骤:
1)将羧甲基纤维素钠和黄原胶加入到占总重量60-70%的去离子水中,待充分溶胀后,搅拌15-60分钟,得到凝胶基质,备用;
2)将本发明的化合物和薄荷醇加入到丙二醇中,搅拌15-60分钟后,再加入乙二胺四乙酸钠、柠檬酸和余量的去离子水,继续搅拌5-20分钟;和
3)将步骤2)得到的混合物加入到步骤1)中得到的凝胶基质中,继续搅拌10-40分钟后,分装到合适的容器中,即得。
在一个优选的实施方案中,本发明提供一种用于制备所述的用于治疗牙龈炎的药物的方法,其包括如下步骤:
1)将羧甲基纤维素钠和黄原胶加入到占总重量65%的去离子水中,待充分溶胀后,搅拌30分钟,得到凝胶基质,备用;
2)将本发明的化合物和薄荷醇加入到丙二醇中,搅拌30分钟后,再加入乙二胺四乙酸钠、柠檬酸和余量的去离子水,继续搅拌10分钟;和
3)将步骤2)得到的混合物加入到步骤1)中得到的凝胶基质中,继续搅拌20分钟后,分装到合适的容器中,即得。本发明的用于治疗牙龈炎的药物中的活性成分2-{1-乙基-4-[2-(3-氟-4-甲基-苯基)-乙基]-3-甲基-1,4,6,7-四氢-吡唑并[4,3-c]吡啶-5-基}-N-甲基-2-苯基-乙酰胺的结构式如下:
该化合物作为公开于国际专利公开号WO2007/122591(参见实施例10)中。该专利文献披露了所述化合物作为食欲素受体拮抗剂的用途,但是未提及所述化合物作为活性成分在制备根据本发明的用于治疗牙龈炎的药物中的用途。本申请的发明人意外地发现,以2-{1-乙基-4-[2-(3-氟-4-甲基-苯基)-乙基]-3-甲基-1,4,6,7-四氢-吡唑并[4,3-c]吡啶-5-基}-N-甲基-2-苯基-乙酰胺、薄荷醇、羧甲基纤维素钠、黄原胶、丙二醇、乙二胺四乙酸钠、柠檬酸和去离子水为成分制成的本发明的供口腔局部使用的凝胶组合物对于正畸钢丝结扎法致大鼠牙龈炎具有较好的治疗作用,这构成了本发明的意外发现。
因此,在一个实施方案中,本发明还涉及2-{1-乙基-4-[2-(3-氟-4-甲基-苯基)-乙基]-3-甲基-1,4,6,7-四氢-吡唑并[4,3-c]吡啶-5-基}-N-甲基-2-苯基-乙酰胺在制备用于治疗牙龈炎的药物中的用途。
优选地,所述药物是根据上文所述的任一个实施方案所述的药物。
优选地,所述牙龈炎是正畸治疗引起的牙龈炎。
本发明的用于治疗牙龈炎的药物的给药剂量依照所要预防或治疗的个体中的牙龈炎的性质和严重程度,可以在较大范围内变化。确定合适的给药剂量的任务可以由临床医生根据临床经验常规地实现。
具体实施方式
为了进一步阐明本发明的精神和要旨,下面将结合具体实施方式对本发明的优选实施方案及其效果进行描述。但是,应理解这些优选实施方案的描述只是用于进一步举例说明本发明的特征和优点,而绝非对本发明的权利要求构成任何限制。本发明所用到的任何原料都可以从商业渠道购得或可以以本领域技术人员已知的方法从商业来源的起始原料制备而成。
实施例1
【配方】
【制备方法】
1)将羧甲基纤维素钠和黄原胶加入到520g去离子水中,待充分溶胀后,搅拌30分钟,得到凝胶基质,备用;
2)将本发明的化合物和薄荷醇加入到丙二醇中,搅拌30分钟后,再加入乙二胺四乙酸钠、柠檬酸和余量的去离子水,继续搅拌10分钟;和
3)将步骤2)得到的混合物加入到步骤1)中得到的凝胶基质中,继续搅拌20分钟后,分装到合适的容器中,即得。
实施例2
【配方】
【制备方法】
1)将羧甲基纤维素钠和黄原胶加入到520g去离子水中,待充分溶胀后,搅拌30分钟,得到凝胶基质,备用;
2)将本发明的化合物和薄荷醇加入到丙二醇中,搅拌30分钟后,再加入乙二胺四乙酸钠、柠檬酸和余量的去离子水,继续搅拌10分钟;和
3)将步骤2)得到的混合物加入到步骤1)中得到的凝胶基质中,继续搅拌20分钟后,分装到合适的容器中,即得。
实施例3
【配方】
【制备方法】
1)将羧甲基纤维素钠和黄原胶加入到520g去离子水中,待充分溶胀后,搅拌30分钟,得到凝胶基质,备用;
2)将本发明的化合物和薄荷醇加入到丙二醇中,搅拌30分钟后,再加入乙二胺四乙酸钠、柠檬酸和余量的去离子水,继续搅拌10分钟;和
3)将步骤2)得到的混合物加入到步骤1)中得到的凝胶基质中,继续搅拌20分钟后,分装到合适的容器中,即得。
对比例
【配方】
【制备方法】
1)将羧甲基纤维素钠和黄原胶加入到520g去离子水中,待充分溶胀后,搅拌30分钟,得到凝胶基质,备用;
2)将阿莫西林和薄荷醇加入到丙二醇中,搅拌30分钟后,再加入乙二胺四乙酸钠、柠檬酸和余量的去离子水,继续搅拌10分钟;和
3)将步骤2)得到的混合物加入到步骤1)中得到的凝胶基质中,继续搅拌20分钟后,分装到合适的容器中,即得。
实施例4效果实验
本实施例的目的是考察本发明的药物对于正畸钢丝结扎法致大鼠牙龈炎的治疗作用。
1、实验动物
本实验采用体重为180-220g的3月龄的雄性SD大鼠。将大鼠以单笼方式饲养在室温维持在25℃左右,保持通风,每日光照持续12小时的SPF级实验动物房中,适应环境达7天。
2、实验操作
实验当天早上,取体重基本相同的SD大鼠,采用肉眼观察大鼠双侧上颌第一磨牙的牙龈状态(包括颜色、质地、形态),测量并记录牙龈出血指数和龈沟深度。
牙龈出血指数采用牙用双头探针检测,并按照以下标准评分(用各位点总和计算平均值):0:牙龈正常;1:牙龈水肿,但探诊后不出血;2:牙龈探诊后出血;3:牙龈自发性出血或溃疡。
龈沟深度采用刻度牙周探针检测(用各位点总合计算平均值)。
然后,采用正畸钢丝结扎法对上颌第一磨牙进行结扎,建立大鼠牙龈炎模型,并以对侧的同名牙为对照。具体方法为:大鼠经1%戊巴比妥钠(40mg/kg)麻醉后,将进入全麻状态的大鼠呈仰卧位固定于实验操作台上(使大鼠腹部朝上,头部靠向实验操作者,四肢以橡皮筋固定于操作台四脚),暴露口腔,用止血钳将正畸钢丝穿过牙间隙,对一侧上颌第一磨牙自牙颈部进行环状结扎。
结扎完毕后将大鼠放回动物房中饲养,每日正常饲喂鼠粮并供应预先配制好的10%高糖水(配制方法:取5L塑料桶,加入300g食用白砂糖,加入3L饮用水,均匀摇晃使白砂糖充分溶解,即得,每日临用前新鲜配制)。饲养两周后,拆除结扎的正畸钢丝,24小时后观察大鼠双侧上颌第一磨牙的牙龈颜色、质地和形态,测量并记录牙龈出血指数和龈沟深度,验证大鼠牙龈炎模型造模成功。
取造模成功的30只大鼠,随机分成3组,即阴性对照组、阳性对照组、实施例组,每组10只。给药方法分别为:
阴性对照组:不进行任何给药处理。
阳性对照组:取0.2g对比例制得的凝胶组合物,均匀涂抹在大鼠的牙龈炎患处,每日2次,持续共7天;
实施例组:取0.2g实施例2制得的凝胶组合物,均匀涂抹在大鼠的牙龈炎患处,每日2次,持续共7天。
于第7天给药24小时后,采用肉眼再次观察大鼠双侧上颌第一磨牙的牙龈颜色、质地、形态,测量并记录牙龈出血指数和龈沟深度。
3、实验结果
建模前,通过肉眼观察发现各组大鼠的上颌前后牙的牙龈呈健康的粉红色外观、质地坚硬,无水肿,探诊无明显出血迹象。建模两周后,大鼠实验牙的牙龈呈病态的深红色、质地较软、轻度水肿、探诊后出血。各组建模前后的牙龈出血指数(GI)和龈沟深度(PD)比较具有显著性差异(p<0.05),提示正畸钢丝结扎法致大鼠牙龈炎造模成功。
给药一周后,通过肉眼观察发现,阴性对照组的大鼠牙龈未见明显变化,而阳性对照组、实施例组的大鼠牙龈的颜色变浅、质地变硬,水肿程度有所减轻,各组给药前后的牙龈出血指数(GI)和龈沟深度(PD)比较具有显著性差异(p<0.05)。
具体实验结果参见下表1。
表1的实验结果表明,给药一周后,阳性对照组和实施例组的大鼠的牙龈的颜色、质地和形态相较于给药前有明显的好转,牙龈出血指数下降、龈沟深度变浅。另外,与阳性对照组相比,实施例组的大鼠的牙龈炎症恢复的程度更佳,给药一周后已经接近于给药前的状态。总之,以上结果提示本发明的药物对于正畸钢丝结扎法致大鼠牙龈炎具有较好的治疗作用,从而适合于牙龈炎,例如正畸治疗引起的牙龈炎的护理。
以上所述仅是本发明的优选实施方式。应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明的精神和原理的前提下,还可以做出若干改进、修饰和等同替换等,这些改进、修饰和等同替换后的技术方案也应视为落在本发明的保护范围之内。
Claims (9)
1.一种用于治疗牙龈炎的药物,其特征在于是其以2-{1-乙基-4-[2-(3-氟-4-甲基-苯基)-乙基]-3-甲基-1,4,6,7-四氢-吡唑并[4,3-c]吡啶-5-基}-N-甲基-2-苯基-乙酰胺、薄荷醇、羧甲基纤维素钠、黄原胶、丙二醇、乙二胺四乙酸钠、柠檬酸和去离子水为原料制成的供口腔局部使用的凝胶组合物。
5.一种用于制备根据权利要求1-4中任一项所述的用于治疗牙龈炎的药物的方法,其包括如下步骤:
1)将羧甲基纤维素钠和黄原胶加入到占总重量60-70%的去离子水中,待充分溶胀后,搅拌15-60分钟,得到凝胶基质,备用;
2)将本发明的化合物和薄荷醇加入到丙二醇中,搅拌15-60分钟后,再加入乙二胺四乙酸钠、柠檬酸和余量的去离子水,继续搅拌5-20分钟;和
3)将步骤2)得到的混合物加入到步骤1)中得到的凝胶基质中,继续搅拌10-40分钟后,分装到合适的容器中,即得。
6.根据权利要求5所述的方法,其包括如下步骤:
1)将羧甲基纤维素钠和黄原胶加入到占总重量65%的去离子水中,待充分溶胀后,搅拌30分钟,得到凝胶基质,备用;
2)将本发明的化合物和薄荷醇加入到丙二醇中,搅拌30分钟后,再加入乙二胺四乙酸钠、柠檬酸和余量的去离子水,继续搅拌10分钟;和
3)将步骤2)得到的混合物加入到步骤1)中得到的凝胶基质中,继续搅拌20分钟后,分装到合适的容器中,即得。
7.2-{1-乙基-4-[2-(3-氟-4-甲基-苯基)-乙基]-3-甲基-1,4,6,7-四氢-吡唑并[4,3-c]吡啶-5-基}-N-甲基-2-苯基-乙酰胺在制备用于治疗牙龈炎的药物中的用途。
8.根据权利要求7所述的用途,其中所述药物是根据权利要求1-4中任一项所述的用于治疗牙龈炎的药物。
9.根据权利要求7所述的用途,其中所述牙龈炎是正畸治疗引起的牙龈炎。
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| CN110996891A (zh) * | 2017-08-04 | 2020-04-10 | 实验室金公司 | 包含氯己定的凝胶 |
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| CN110996891A (zh) * | 2017-08-04 | 2020-04-10 | 实验室金公司 | 包含氯己定的凝胶 |
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