CN104473953A - 一种治疗神经性疼痛的药物组合物 - Google Patents
一种治疗神经性疼痛的药物组合物 Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7042—Compounds having saccharide radicals and heterocyclic rings
- A61K31/7048—Compounds having saccharide radicals and heterocyclic rings having oxygen as a ring hetero atom, e.g. leucoglucosan, hesperidin, erythromycin, nystatin, digitoxin or digoxin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/357—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having two or more oxygen atoms in the same ring, e.g. crown ethers, guanadrel
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/55—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/7028—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages
- A61K31/7034—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin
- A61K31/704—Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin attached to a condensed carbocyclic ring system, e.g. sennosides, thiocolchicosides, escin, daunorubicin
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Abstract
本发明公开了一种治疗神经性疼痛的药物组合物,本发明药物是以原百部碱、远志皂苷A 、丁香苦苷、海州常山苦素A为原料药,配比而成,可按常规制剂工艺制成各种剂型,本发明克服了现有技术的缺陷,提供了一种治疗神经性疼痛疗效显著、安全的药物组合物,本发明所提供的药物制备方法简单,成本低,临床试验证实该药物对用于治疗神经性疼痛,包括三叉神经痛、坐骨神经痛、根性神经痛、疱疹后神经痛、糖尿病性神经末梢炎等具有显著的临床疗效。
Description
技术领域
本发明属于中药领域,尤其涉及一种治疗神经性疼痛的药物组合物。
背景技术
神经性疼痛是指由中枢或外周神经系统原发性病变或功能障碍而引起的疼痛综合征。可由外伤或/和疾病致末梢神经、脊髓后根、脊髓及其以上中枢神经某些部位损伤而引发。根据神经损伤的病因、性质和程度不同,在临床上分为中枢神经疼痛和外周神经损伤所致的周围神经疼痛两大类。中枢神经疼痛简称中枢痛,为中枢神经系统的疼痛传导通路发生损害或功能障碍而引起的原发性疼痛,常见于脊髓的创伤或脑血管疾病,多发性硬化症和肿瘤等。周围神经疼痛系外伤、缺血、压迫、感染、炎症、代谢等因素损伤外周神经所致,如幻肢痛,带状疱疹后神经痛,多发性神经炎,糖尿病性周围神经痛等。据估计,这种疾病正折磨着全球2.8%-4.7%的人口,流行病学显示普通人群的发生率为6%-7.7%。糖尿病神经痛和带状疱疹后继发疼痛是成人神经痛最普遍的形式,发生率分别为13%-37%和10%-40%,随着人口的老龄化发生率更高,年发病率为12/10万。神经性疼痛综合征在老年人中的发病率不断提高:一方面是癌症、HIV、糖尿病和其它经常引发神经性疼痛的疾病患者中长期存活的病人增多;另一方面,药物和外科手术治疗肿瘤和其它疾病时也可以产生神经性疼痛。发病时患者通常有灼烧般疼痛、有刺痛感或有如电击的痛感,非常剧烈,如刀剜般的剧痛。这种痛感,是突然地发作,痛的部位及其范围,限于该神经的支配领域。发作时,压下神经靠近表皮的部位,就会感到剧烈的疼痛。神经性疼痛会对患者的生活产生重大的影响,它夺去了很多人的工作、走路甚至穿衣的能力。
目前市场上没有一种安全有效的药物能缓解这类患者的痛苦。治疗多用抗惊厥药、阿片类药物、和抗抑郁药物治疗,但多数产品并不是专门针对神经性疼痛的,大多数对大部分患者无效或只能适度缓解疼痛,且会引起不良反应。因此,提高神经性疼痛的治疗与预防水平、改善神经性疼痛病人生活质量,开发防治神经性疼痛的药物意义重大。
原百部碱(protostemonine):CAS号27495-40-5,分子式C23H31NO6,分子量417.50。
远志皂苷A(onjisaponin A):CAS号82410-33-1,分子式C80H120O39,分子量1705.79。
丁香苦苷(syringopicroside):CAS号29118-80-7,分子式C24H30O11,分子量494.4884 。具有抗病毒作用。
海州常山苦素A(clerodendrin A):CAS号35481-70-0,分子式C31H42O12,分子量606.67。
本发明药物组合物的4种药物结构如下:
原百部碱(protostemonine)
远志皂苷A(onjisaponin A)
丁香苦苷(syringopicroside)
海州常山苦素A(clerodendrin A)。
发明内容
本发明的目的是克服背景技术的不足,提供一种疗效显著、安全无毒副作用的治疗神经性疼痛的药物组合物。
本发明是采用如下技术方案实现的:制成该治疗神经性疼痛的药物组合物的原料药的组成和重量份为:
原百部碱20-30重量份 远志皂苷A15-25重量份 丁香苦苷10-20重量份 海州常山苦素A5-15重量份。
本发明的一种治疗神经性疼痛的药物组合物可以采用制剂学的常规方法制备成片剂、胶囊剂、滴丸。
本发明的一种治疗神经性疼痛的药物组合物,其特征在于用于治疗三叉神经痛、坐骨神经痛、根性神经痛、疱疹后神经痛、糖尿病性神经末梢炎。
本发明组合物具有祛风止痛、活血通络的功效,对治疗各种神经性疼痛,如根性神经性疼痛、坐骨神经痛、三叉神经痛、疱疹后神经痛、糖尿病神经末梢炎等症疗效显著。
具体实施方式
实施例1: 治疗神经性疼痛的药物组合物
治疗神经性疼痛的药物组合物的原料药的组成和重量份为:
原百部碱20重量份 远志皂苷A25重量份 丁香苦苷10重量份 海州常山苦素A15重量份。
实施例2: 治疗神经性疼痛的药物组合物
治疗神经性疼痛的药物组合物的原料药的组成和重量份为:
原百部碱30重量份 远志皂苷A15重量份 丁香苦苷20重量份 海州常山苦素A5重量份。
实施例3: 治疗神经性疼痛的药物组合物
治疗神经性疼痛的药物组合物的原料药的组成和重量份为:
原百部碱25重量份 远志皂苷A20重量份 丁香苦苷17重量份 海州常山苦素A10重量份。
实施例4: 治疗神经性疼痛的药物组合物
治疗神经性疼痛的药物组合物的原料药的组成和重量份为:
原百部碱28重量份 远志皂苷A22重量份 丁香苦苷16重量份 海州常山苦素A8重量份。
实施例5:片剂的制备
取实施例1组合物150g,加入淀粉75g,混匀,制粒,干燥,加微晶纤维素20g,硬脂酸镁2.5g,混匀,压制成1000片, 即得本发明组合物片剂。
实施例6:胶囊的制备
取实施例2组合物165g,加入淀粉65g,混匀,制粒,干燥,整粒,加入适量硬脂酸镁,混匀,装胶囊1000粒,即得本发明组合物胶囊。
实施例7:滴丸的制备
称取聚乙二醇 6000 200g水浴(80℃)加热煮熔,加入实施例3组合物50g,充分搅拌均匀,以液体石蜡为冷却剂,置玻璃管(4*80cm)中,冷却温度为10℃,滴口内外径为7.0/2.0(mm/mm),滴口距液面为2cm,滴速以每分50滴为最佳条件,用棉布吸干滴丸表面的冷凝剂,即得本发明组合物滴丸。
实验例1、对谷氨酸致PC12细胞损伤的影响试验研究
1.试验材料
1.1药物及试剂
样品:实施例1-4组合物
细胞系:PC12细胞系((来源:Rattμs norvegicμs肾上腺嗜铬细胞瘤,南京凯基生物科技发展有限公司提供。);
试剂:H-DMEM细胞培养基(Hyclone, 赛默飞世尔生物化学制品北京有限公司);胎牛血清(以色列Bioind);胰酶细胞消化液(碧云天),青霉素链霉素混合液双抗,注射用顺铂(齐鲁制药有限公司),柠檬酸盐缓冲液(北京中杉金桥生物技术有限公司),多聚甲醛(solarbio),L-谷氨酸(Klonetech,Japan)。
1.2试验仪器
立式压力蒸汽灭菌锅(LDZX-50FBS,上海申安);双人单面净化工作台(SW-CJ-1C,苏州净化);二氧化碳培养箱(BB16μV/BB5060μV,HERAEμS);台式离心机(H3,Sigma);酶标仪(Mμltiskan MK3,Thermo Scientific);电热恒温鼓风干燥箱(101,上海鹏顺科学仪器有限公司);倒置显微镜(XDS-1B,重庆光学仪器厂);水浴恒温振荡器(SHZ-82,金坛市医疗仪器厂);移液器(Gilson,Eppendorf);培养瓶(Corning);96孔板(Costar,μSA)
2.试验方法
以谷氨酸制备PC12细胞化学损伤模型,采用噻唑蓝(MTT)法于570nm处测定吸收值,观察候选药物对PC12细胞损伤的修复作用。使用SOD、NO、LDH、MDA试剂盒检测各指标含量,阐明各药的作用机理。
造模:30mmol/l的谷氨酸(此为加样终浓度,溶于不完全培养基中)作用于PC12细胞24h。
分组:空白组、化学损伤模型组、化学损伤+药物组。
3.试验内容
3.1细胞培养
从超低温冰箱中取冻存的PC12细胞复苏于培养瓶中,以含10%胎牛血清的H-DMEM培养基培养。待PC12细胞生长至80%融合时,以0.25%的胰酶细胞消化液(含0.02%EDTA)进行消化,以1×104个细胞每孔接种于96孔板中,调零孔不加细胞。
3.2细胞损伤
待96孔板中的细胞长满单层后,弃掉培养基,无菌PBS液清洗2遍,除调零组、空白对照组外,每孔加入终浓度为30mmol/l的谷氨酸(溶于不完全培养基中)于培养箱内培养24h,即造成PC12细胞损伤模型。
3.3加药修复
弃掉培养基,用无菌PBS液清洗2遍,给药组每孔分别加入含筛选药物终浓度依次为100μg/ml、10μg/ml、1μg/ml的 DMEM培养基100μl,每个浓度的药物加6孔。以不含药物的DMEM培养基为空白对照组。然后将细胞置入37℃、5%CO2培养箱中继续培养24h。
3.4指标测定
3.4.1 MTT法测定细胞存活率
弃掉培养基后每孔加入100μl无血清DMEM培养基,再于每孔加入5mg/mlMTT溶液20μl于培养箱内避光反应4 h。弃掉培养基加入100μlDMSO用酶标仪于570nm测定OD值,计算细胞存活率:
3.4.2 SOD、LDH含量测定
给药后24小时用无菌管收集细胞上清液,离心20分钟(2000r/min),仔细收集上清液,按试剂盒说明书操作测定LDH含量。
给药后24小时弃去上清,加2%Trion-100X,于4℃静置12小时后混匀细胞悬液,离心20分钟(2000r/min),仔细收集上清液,按试剂盒说明书操作测定SOD含量。
4.试验结果
所有数据以X±SD表示,单因素方差分析及LSD多组均数两两比较组间差异的显著性,P<0.05为差异显著。
4.1对损伤的PC12细胞存活率的影响
表1 各实施例对PC12细胞存活率的结果(n=10)
| 组别 | OD值 | 细胞存活率% |
| 模型组 | 0.6512±0.0813 | 78.37±6.33 |
| 实施例1组合物 | 0.803±0.0822 | 90.15±8.026 ** |
| 实施例2组合物 | 1.202±0.0679 | 147.30±20.38 ** |
| 实施例3组合物 | 1.100±0.0653 | 138.90±28.051** |
| 实施例4组合物 | 1.108±0.0572 | 141.50±23.20 ** |
注:与模型组相比,**P<0.01;与模型组相比,*P<0.05
表1结果显示,实施例1-4组合物对神经细胞损伤具有很好的修复功能。
表2 各实施例对PC12细胞SOD与LDH的结果(n=10)
| 组别 | SOD浓度(U/L) | LDH浓度(IU/L) |
| 空白组 | 10.310±2.2360 | 1.684±0.1254 |
| 模型组 | 5.920±1.2340 | 2.284±0.1504 |
| 实施例1组合物 | 45.420±5.6771** | 1.595±0.1570 ** |
| 实施例2组合物 | 26.297±4.5470** | 1.829±0.1561 ** |
| 实施例3组合物 | 25.208±2.8990** | 1.635±0.1530** |
| 实施例4组合物 | 24.871±5.3820** | 1.803±0.1472 ** |
注:与模型组相比,**P<0.01;与模型组相比,*P<0.05;
表2结果显示,与模型组相比,实施例1-4组合物使细胞 SOD活力显著增加,LDH浓度显著降低。
实验例2:临床观察试验
1 资料与方法
1.1 一般资料:神经性疼痛患者304例,根据病史、症状、结合临床检查分析作出诊断。三叉神经痛45例,坐骨神经痛55例,根性神经痛65例、疱疹后神经痛81例、糖尿病性神经末梢炎58例。
1.2 治疗方案:口服本发明组合物 每日2次,连续服用l5天1个疗程,服药期间停用其它神经疾病的药物。每服药1个疗程,作临床分析并对临床症状进行统计。
1.3 疼痛分级标准:疼痛分级根据WHO制定的主诉疼痛分级法(VRS)。0级:无痛;I级(轻度疼痛):虽有疼痛,但可忍受,睡眠不受干扰;H级(重度疼痛):疼痛剧烈不能忍受,需要镇痛药物,睡眠受干扰,伴有自主神经功能紊乱表现或被动体位。
1.4 疗效判定标准:用药4个疗程后,判定效果。治愈:自觉症状完全消失,随访两年未复发;显效:主要症状改善或基本消失;有效:主要症状基本消失;无效:主要症状均无改善。
1.5 观测指标:安全性观测:一般体检项目,血、尿、便常规检
查,心、肝、肾功能检查;疗效性观测:藏医证候学的观察,神经
系统症状体征的观察,血液流变学检查。
2 结果
2.1 疗效比较:304例患者治愈167例,显效及有效119例,无效18例。总有效率为94.1%
表3本发明组合物治疗神经性疼痛结果
| 病种(例) | 治愈(%) | 显效及有效(%) | 无效(%) | 总有效率(%) |
| 三叉神经痛(45) | 22(48.9) | 21(46.7) | 2(4.4) | 95.6 |
| 坐骨神经痛(55) | 32(58.2) | 20(36.4) | 3(5.5) | 94.5 |
| 根性神经痛(65) | 35(53.8) | 30(46.2) | 4(6.2) | 93.8 |
| 疱疹后神经痛(81) | 53(65.4) | 24(29.6) | 4(4.9) | 95.1 |
| 糖尿病神经末梢炎(58) | 25(43.1) | 28(48.3) | 5(8.6) | 91.4 |
不良反应情况:304例患者,在临床观察过程中均未发现任何毒副作用及不良反应。
Claims (7)
1.一种治疗神经性疼痛的药物组合物,其特征在于制成该药物组合物的原料药的组成和重量份为:
原百部碱20-30重量份 远志皂苷A15-25重量份 丁香苦苷10-20重量份 海州常山苦素A5-15重量份。
2.根据权利要求1所述:一种治疗神经性疼痛的药物组合物,其特征在于制成该药物组合物的原料药的组成和重量份为:
原百部碱20重量份 远志皂苷A25重量份 丁香苦苷10重量份 海州常山苦素A15重量份。
3.根据权利要求1所述:一种治疗神经性疼痛的药物组合物,其特征在于制成该药物组合物的原料药的组成和重量份为:
原百部碱30重量份 远志皂苷A15重量份 丁香苦苷20重量份 海州常山苦素A5重量份。
4.根据权利要求1所述:一种治疗神经性疼痛的药物组合物,其特征在于制成该药物组合物的原料药的组成和重量份为:
原百部碱25重量份 远志皂苷A20重量份 丁香苦苷17重量份 海州常山苦素A10重量份。
5.根据权利要求1所述:一种治疗神经性疼痛的药物组合物,其特征在于制成该药物组合物的原料药的组成和重量份为:
原百部碱28重量份 远志皂苷A22重量份 丁香苦苷16重量份 海州常山苦素A8重量份。
6.根据权利要求1所述的一种治疗神经性疼痛的药物组合物,可以采用制剂学的常规方法制备成片剂、胶囊剂、滴丸。
7.如权利要求1所述的一种治疗神经性疼痛的药物组合物,其特征在于用于治疗三叉神经痛、坐骨神经痛、根性神经痛、疱疹后神经痛、糖尿病性神经末梢炎。
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