《灭菌的方法及注意事项.ppt》由会员分享，可在线阅读，更多相关《灭菌的方法及注意事项.ppt（53页珍藏版）》请在三一办公上搜索。
1、1,1,Sterilization 灭菌,A General Discussion from CGMP Perspective从CGMP角度的综合讨论,2,2,Outline 讨论纲要,PART ITerminology 专业用词的定义GMP Requirements in The Manufacture of Sterile Pharmaceutical Products无菌药品生产过程中GMP的基本要求PART IIFacility Design 生产设施的设计HVAC System 空调系统Environmental Monitoring(EM)环境的监视Pharmaceutical W
2、ater 制药用水Cleaning/Sanitation 清洁消毒Personnel 无菌区操作人员PART IIIMethods of sterilization 灭菌方法 Sterile Production and validation 无菌生产和验证The Trend of Sterile Production 无菌产品生产趋势,3,Presentation Outline概要,US Regulations 美国法规Moist Heat Sterilization 湿热灭菌Dry Heat/Depyrogenation 干热/去热原法Sterilization Process Vali
3、dation 灭菌工艺验证Other Sterilization Methods 其他灭菌方法,4,Code Federal Regulation美国联邦法规,211.84(c)(3)sterile equipment 灭菌设备Sterile equipment and aseptic sampling techniques shall be used when necessary 必要时应使用灭菌设备和无菌取样技术。211.94(c)and(d)sterilized(c)Drug product containers and closures shall be clean and,where
4、 indicated by the nature of the drug,sterilized and processed to remove pyrogenic properties to assure that they are suitable for their intended use.药品容器和密封系统应清洁并根据药品的性质和要求，进行灭菌，除热原过程以确保预期的用途。(d)Standards or specifications,methods of testing,and,where indicated,methods of cleaning,sterilizing,and pr
5、ocessing to remove pyrogenic properties shall be written and followed for drug product containers and closures.应建立并执行对药品容器和密封系统的规格或质量标准，测试方法，清洁方法，灭菌和除热原过程的相关书面程序。,5,Code Federal Regulation美国联邦法规,211.113(a)and(b)sterilization 灭菌(a)Appropriate written procedures,designed to prevent objectionable micro
6、organisms in drug products not required to be sterile,shall be established and followed.应该建立并执行用于防止非无菌药品被致病菌污染的相关书面程序。(b)Appropriate written procedures,designed to prevent microbiological contamination of drug products purporting to be sterile,shall be established and followed.Such procedures shall
7、include validation of any sterilization process.应该建立并执行用于阻止无菌药品被致病菌污染的相关书面程序。这些程序应包括任何无菌工艺的验证。,6,Code Federal Regulation美国联邦法规,211.167(a)testing（a）测试For each batch of drug product purporting to be sterile and/or pyrogen-free,there shall be appropriate laboratory testing to determine conformance to s
8、uch requirements.The test procedures shall be in writing and shall be followed.对无菌和/或无热原的每批药品应进行相应的实验室测试以确定其与符合要求。测试程序应有书面文件并遵照执行。,7,Sterilization Methods灭菌方法,Moist Heat:湿热For drugs and devices.The mode of action is protein denaturation.用于药品和设备。作用方式是使蛋白质变性Dry Heat:干热For depyrogenation and equipment
9、sterilization.The mode of action is protein denaturation 用于去热原和设备灭菌。作用方式是使蛋白质变性Ethylene Oxide:氧化乙烯 Primarily for devices.The mode of action is alkylation of nucleic acids.主要用于设备。作用方式是使核酸烷基化Radiation:辐射Primarily for devices.The mode of action is DNA strand breakage 主要用于设备。作用方式是使DNA链破坏Other methods?其他
10、方法？,8,Bioburden生物负荷,Definition:定义Population of viable microorganisms on or in a product and/or a package 产品和/包装上的活性微生物的数量和类型Mixture of organisms 有机物混合 Indigenous microflora 地方微植物群 Needs to be inactivated by sterilization 需灭菌失活,9,Bioburden生物负荷,Bioburden Sources 生物负荷来源Environment 环境Product contact sur
11、face,personnel,air 产品接触表面，人员，空气Materials 材料Water,raw materials.plastic,paper 水，原材料，塑料，纸张Characteristics of Bioburden 生物负荷特点Types of microorganisms 微生物类型Resistance to sterilization process 对无菌工艺的耐受Number of organisms 有机物数量,10,Biological Indicator(BI)生物指示剂,Microbiological test system providing a defin
12、ed resistance to a specific sterilization process 微生物测试系统对指定灭菌工艺有明确抵抗性。A characterized preparation of specific microorganisms resistant to a particular sterilization process某一确定的微生物(指示剂)应具有对某一特定灭菌工艺的抵抗性,11,Typical Biological Indicators典型生物指示剂,Moist heat sterilization 湿热灭菌Geobacillus stearothermophil
13、usBacillus stearothermophilusDry heat and EO sterilization 干热和环氧乙烷灭菌Bacillus atrophaeusBacillus subtilis var.niger,12,Forms of Biological Indicators生物指示剂形式,Strips/discs in glassine envelopes 在透明纸信封里的条形板/光盘Strips/discs 条/光盘Self-contained 独立包装的Ampoules 安瓶Strips with medium 中号条形板Liquid suspension 液体悬浮液
14、Metal 金属Fiberglass 玻璃纤维,13,Choice of an Appropriate BI相关生物指示剂的选择,Sterilization process 灭菌工艺Cycle design method 循环设计方法Product bioburden 产品生物负荷Population 数量Resistance 抵抗性,14,BIs Prepared by User生物指示剂的准备,Performance 性能Resistance 抵抗性Population 数量Purity 纯度D-value D 值Recovery methods 恢复方法Storage requireme
15、nts 储存要求,15,Biological Indicator Use生物指示剂使用,Place BI within 把BI 放进Product 产品Package 包装Sterilizer load to monitor process 灭菌器负荷以监视灭菌工艺Expose to sterilizing conditions 暴露在灭菌状态Remove BI and test 移除BI和测试Count survivors 生存数量的计算Growth/no growth response 生长/无生长反应,16,D-value D值,The D value is the time,usual
16、ly in minutes,required to achieve inactivation of 90%(or one logarithm)of a population of the test microorganism at specified conditions.D值是在特定条件下微生物数量降低的90%（或一对数）所用的时间，通常是以分钟为单位的。Bacillus stearothermophilus has a D value:嗜热脂肪芽胞杆菌的D值2 min at 121oC 20 min at 110oC 0.2-0.3 min at 130oCOf all the aspec
17、ts of sterilization validation,the D value is perhaps the most important.Validating a process without consideration of the D value is largely ineffective and is not acceptable from CGMP perspective 灭菌验证中，D值可能是最重要的。不考虑D值的验证过程多半是无效的且不被CGMP接受。,17,Z-value Z值,Z-value:number of degrees of temperature requ
18、ired for a 1 logarithm change in the D-value Z值：D值1对数改变需要的温度数Z=-1/slope of the thermal resistance curve Z=-1/热阻力曲线斜率 whereSlope=logarithmic change in D-value/change in temperature 斜率=D值上对数的改变/温度的改变,18,Impact of Z-value Z值的影响,When z-value is small,considerably less inactivation will result below refe
19、rence temperature and considerably more above the reference temperature 当Z值较小时，较低程度的失活将导致温度低于参考温度，较大程度的失活将导致温度高于参考温度。,19,Typical Temperature Profiles典型温度分布,20,Type of Sterilization灭菌类型,Moist Heat Sterilization湿热灭菌,21,Moist Heat Sterilization湿热灭菌,Characteristics:特征Well understood and well characteriz
20、ed process,first validated process in pharm industry湿热灭菌是一已被很好地理解并描述灭菌工艺，也是在制药工业中第一个被验证的灭菌工艺Suitable for a wide variety of applications 适合于较大应用范围Equipment is readily available 设备很容易从市场购买到Cost on a per use basis is low 每次使用基准花费低,22,Moist Heat Sterilization湿热灭菌,Applications:应用Terminal sterilization of
21、 parental product 注射剂的终端灭菌Sterilization of equipment and components for use in aseptic filling 无菌灌装线上设备和配件的灭菌Sterilization of laboratory materials 实验室用材料的灭菌In-situ sterilization of process piping and equipment(SIP)工艺管道和设备在线灭菌,23,Basic Types of Moist Heat Sterilization湿热灭菌基本类型,Saturated steam 饱和蒸汽Aut
22、oclaves(self-closing)高压灭菌柜（半封闭）SIP 在线灭菌Super heated water 过热水Spray 喷雾Submerged 浸没的SIP 在线灭菌Steam-air-mixture(SAM)水蒸气空气混合物,24,Basic Elements of Sterilization Process Validation 灭菌工艺验证的基本元素,Empty vessel heat distribution 空容器热分布Heat distribution and penetration 热分布和渗透3.Microbiological challenges 微生物挑战,2
23、5,Steam Sterilization Validation:Prerequisites 蒸汽灭菌验证：前提,OQ for an autoclave:高压灭菌柜运行确认Empty chamber temperature mapping within 1.0oC of the mean 空腔体温度分布图在平均值的1.0oC 内Chamber integrity test(no leaking)腔体完整性测试 Certification of HEPA filtration on the air used to break vacuum or integrity testing of the
24、vent filter 用于隔断真空或通气过滤器完整性测试的空气HEPA过滤认证Requirements for SIP 在线灭菌要求Temperature mapping 温度分布图An integrity test,where appropriate 相关完整性测试Use of BI 生物指示剂的使用All critical instruments must be calibrated 所有关键仪器需校验,26,Steam Sterilization Validation:Prerequisites 蒸汽灭菌验证：前提,Acceptable test results for non-con
25、densable gases,super-heated steam and dryness should be obtained for the clean steam used for the autoclave/SIP 应获得用于高压灭菌柜/SIP的洁净蒸汽中的不凝气体，过热蒸汽及干燥度的可接受测试结果5.Tools for the conduct of the PQ study:进行PQ研究的工具BI with 106 spores and known D and Z values BI 有106个孢子，已知D值和Z值Temperature sensors 温度传感器Recording
26、device capable of supporting 12 temp sensors with an accuracy of 0.5 oC,recording data every minute or less 记录设备能支撑 12温度传感器，精度 0.5 oC，每分钟或间隔更短时间记录数据Means of introducing temp sensors into the autoclave/SIP 将温度传感器导入高压灭菌柜/SIP的方法,27,Steam Sterilization Validation:Preparation of PQ protocol 蒸汽灭菌验证：PQ方案的准
27、备,A protocol shall be prepared for:对于下列各项应建立方案：New autoclave/SIP 新高压灭菌柜/SIPNew loading patterns or product configurations 新装料方式或产品配置Changes to existing patterns 对现有装料方式的变更Changes to operation cycle parameters 对运行周期参数的变更Major change to equipment as directed by change control 变更控制要求的设备主要变更,28,Steam St
28、erilization Validation:Preparation of PQ protocol 蒸汽灭菌验证：PQ方案的准备,The protocol may include:方案可能包括：Objectives of the validation study 验证研究的目的Identification and description of the sterilizer and its process controls 灭菌器的识别和说明及工艺控制Identification of SOPs for the process equipment 工艺设备SOP的识别Description of
29、 or SOP reference for instrument calibration procedures 仪器校验程序的说明或SOP参考Identification of calibration procedures for temp-monitoring equipment,which include a two point pre-run calibration and a post-run verification for each run 温度监测设备校验程序的识别，包括一个两点预运行校验和每次运行后的确认Process parameter acceptance criteria
30、 工艺参数的验收标准,29,Steam Sterilization Validation:Preparation of PQ protocol 蒸汽灭菌验证：PQ方案的准备,A description of the following:以下说明Biodurden determination studies 生物负荷确认研究Empty chamber heat distribution studies(1 oC)空腔体热分布研究（1 oC）Loaded chamber(including Load configuration,max lading and min loading)heat pen
31、etration studies 满载腔体（包括装载配置,最大和最少）热穿透研究Container mapping studies(may not needed if 100mL)容器分布图研究（如果容量100mL，可能不需要）Microbiological challenge studies 微生物挑战研究Evaluation of drug product cooling water(where applicable)药品冷却水评估（若适用）Evaluation of vent filter membranes associated with the sterilizer 与灭菌器相关的通
32、气过滤膜的评估,30,Steam Sterilization Validation:Preparation of PQ protocol 蒸汽灭菌验证：PQ方案的准备,4.Description of the temp sensor placement within the load 在负荷范围内温度传感器位置的说明One next to the temp controlling sensor for autoclave.一1个接近高压灭菌柜的温度控制传感器NLT 12 sensors for autoclave 不少于12 个传感器用于高压灭菌柜NLT 3 sensors for SIP不少
33、于3传感器用于在线灭菌If the temp controlling sensor is not in the drain,an additional sensor shall be placed in the drain 如果温度控制传感器不在排水口中，应置另一个传感器于排水口中A minimum#of sensors meeting the calibration and verification shall be established.Any sensor that fail at the end of the study shall be investigated.Any senso
34、r located next to the temp controlling sensor or in the drain shall meet the pre and post calibration as part of the acceptance criteria for a successful run 应建立符合校验和验证的最少#传感器。最终任何传感器的失败应调查研究。任何临近温度控制传感器或在排水口的传感器应符合预校验和后校验，这是成功运行的验收标准的一部分。,31,Steam Sterilization Validation:Preparation of PQ protocol
35、 蒸汽灭菌验证：PQ方案的准备,5.Acceptance criteria for temp.pressure,Fo where appropriate,vacuum and destructions of BIs 温度压力，相关Fo，真空及生物指示剂灭活的验收标准6.A requirement for 3 consecutive,successful runs 3次连续成功运行的要求The drain is the coldest point and is outside of the sterilization zone,not included in the calculation of
36、 mean chamber temperature and not subject to chamber distribution requirement.排水口是最冷点，在灭菌区外，且不包括在平均腔体温度计算内，不受限于腔体分布要求Thermocouples should be placed at the same location for empty chamber and loaded chamber heat distribution studies.热电偶应置于相同位置，进行空腔体和满载腔体热分布研究Uniformity is expected only at the steady
37、state.仅在稳定状态下要求均一性,32,Steam Sterilization Validation:Execution of PQ 蒸汽灭菌验证：PQ执行,1.Temperature sensor shall:温度传感器应：For heat penetration data,be located such that they penetrate the equipment,or the product container and are immersed in the product 对于热穿透数据，应置于能穿透设备或产品容器处，并包含在产品中For heat distribution
38、data,be evenly distributed within the load or system and shall not contact metal surface 对于热分布数据，平均分布在负荷范围内或系统中，且不能接触金属面2.The BI shall:生物指示剂应：Be placed near the tip of the temperature sensor used for penetration 置于靠近用于穿透的温度传感器的顶端Include the identification that links to the number of the appropriate
39、temperature sensor of the BI 包括与相关BI温度传感器数量有关的识别The D value of the BI shall be determined in the product BI的D值应在生产中确定,33,Steam Sterilization Validation:Execution of PQ 蒸汽灭菌验证：PQ执行,The autoclave shall be loaded and operated in accordance with SOP 高压灭菌器应按照SOP进行装载并运行Using 121.1 oC as the base temperatu
40、re and 10 oC as the Z-value,Fo shall be calculated 121.1 oC 作为基底温度，10 oC 作为Z值，Fo应为计算值Acceptance criteria shall be based on no growth on exposed BIs and growth on the positive control BI 验收标准应依据暴露的BI上未生长和阳性控制BI上的生长Failure to meet acceptance criteria shall require cycle parameter modifications,load pa
41、ttern modification and/or equipment repairs/corrections 未达到验收标准应要求周期参数变更，负荷曲线图变更和/或设备修理/修正,34,Case Study 实例分析Autoclave Sterilization Validation 高压蒸汽灭菌验证,Table 1Acceptance Criteria of Empty Chamber Heat Distribution表1 空腔体热分布验收标准,35,Case Study 实例分析Autoclave Sterilization Validation 高压蒸汽灭菌验证,Table 2Acc
42、eptance Criteria for Heat Distribution表2 热分布验收标准,36,Case Study 实例分析Autoclave Sterilization Validation 高压蒸汽灭菌验证,Table 3Acceptance Criteria for Heat Penetration表3热分布验收标准,37,Dry Heat Sterilization 干热灭菌,Depyrogenation去热原,38,Terminology and Definitions 术语和定义,Pyrogen:Fever producing substance:endotoxin,vi
43、ruses,fungi,toxin from gram(+)and gram(-)bacterials,peptiglycan 热原：热产生的物质：内毒素，病毒，真菌，革兰氏阳性和阴性细菌产生的毒素，肽糖Endotoxin:Component from outer membrane of gram(-)bacterial,most potent pyrogens,LPS in structure 内毒素：革兰氏阴性细菌外膜的成分，大多数有效热原，结构中的LPSEnvironmental:complex of protein,carbohydrate&lipid.环境：复合蛋白质，碳水化合物&脂
44、类 Purified:lipopolysacchride,used in endotoxin standards 提纯后：脂多糖，用于内毒素标准,39,Sources of Pyrogen in Parenterals注射用药热原的来源,Water systems and resin columns 水系统和树脂交换柱APIs produced without endotoxin removal 生产API而未除内毒素API&excipients from natural sources 来自自然源的API&赋形剂Manufacturing equipment 生产设备Anywhere gra
45、m(-)microbes are growing or have been growing 革兰氏阴性细菌生长或曾生长的任何地方,40,Depyrogenation去热原,A process to remove or destroy Endotoxin 除去或破坏内毒素的一种工艺 3 log reduction per USP 按照USP，3对数减少值Depyrogenation requires:去热原要求：Distillation or ultrafiltration of water 对水进行蒸馏或超滤Dry heat incineration 干热焚烧Destruction by st
46、rong alkali or oxidation with peroxide 用强碱或过氧化物进行氧化来破坏,41,Types of Dry Heat Sterilizers干热灭菌器的种类,Common 常用Forced-convection batch sterilizers:utensils,glassware,stainless steel equipment,product 强制对流批灭菌器：器具，玻璃器皿，不锈钢设备，产品Tunnel:glassware 烘箱：玻璃器皿Flame:ampoule sealing 火焰：安瓿封口Less common 不常用Microwave 微波L
47、aser plasma 激光等离子体,42,Components for Aseptic Processing 无菌工艺元件,43,Dry Heat Depyrogenation:Glass干热除热原：玻璃,Temp.range:200-350 oC 温度范围：200-350 oC Heat tolerant materials,glassware,metal parts,scissors,oils,inorganic salts 耐热材料，玻璃器皿，金属部件，剪刀，油，无机盐Process:heated,HEPA filtered air,uniformly distributed by c
48、onvection&fan 工艺：加热，HEPA 过滤空气，通过对流&风扇进行均匀分布Lethal effect:oxidation of proteins and denaturation 致命效应：蛋白质氧化和变性USP:3 log reduction 大于3个对数减少值,44,Advantages of Dry-heat Depyrogenation干热去热原的优点,Inactivates pyrogens while sterilization 灭菌时使热原失活 Materials dry at the end of cycle 循环结束时物料干燥Corrosive effects a
49、re minimal 腐蚀性最小Conveyor systems allow for higher temps and shorter dwell time 传送系统允许更高温度和更短的停留时间,45,Disadvantages of Dry-heat Depyrogenation干热去热原的缺点,Slow process(air is a poor conductor)降低工艺速度（空气是不良导体）Heat penetration slower than steam 热穿透比蒸汽慢Rate varies(slow for glass,rapid for stainless steel)速度各
50、异（玻璃慢，不锈钢快）Heat must penetrate to inner surface via conduction 热必须通过传导穿透到内表面Layering can occur due to differences in air density with temperature;mechanical circulation needed 空气密度，温度不同可能导致分层，需要机械循环Heat degradation limits materials 热降解限制材料Contraction during cooling may draw contaminants 冷却过程中接触可能引起污
