1.3 Scope 1.3范围
This guidance applies to the manufacture of APIs for use in human drug (medicinal) products. It applies to the manufacture of sterile APIs only up to the point immediately prior to the APIs being rendered sterile. The sterilization and aseptic processing of sterile APIs are not covered by this guidance, but should be performed in accordance with GMP guidances for drug (medicinal) products as defined by local authorities. 本文件适用于人用药品（医疗用品）所含原料药的生产。它适用于无菌原料药在xx前的步骤。本指南不包括无菌原料药的xx和xx工艺，但是，应当符合地方当局所规定的药品（医疗用品）生产的GMP指南。
 
This guidance covers APIs that are manufactured by chemical synthesis, extraction, cell culture/fermentation, recovery from natural sources, or any combination of these processes. Specific guidance for APIs manufactured by cell culture/fermentation is described in Section 18. 本文件适用于通过化学合成、提取、细胞培养/发酵，通过从自然资源回收，或通过这些工艺的结合而得到的原料药。通过细胞培养/发酵生产的原料药的特殊指南则在第18章论述。
 
This guidance excludes all vaccines, whole cells, whole blood and plasma, blood and plasma derivatives (plasma fractionation), and gene therapy APIs. However, it does include APIs that are produced using blood or plasma as raw materials. Note that cell substrates (mammalian, plant, insect or microbial cells, tissue or animal sources including transgenic animals) and early process steps may be subject to GMP but are not covered by this guidance. In addition, the guidance does not apply to medical gases, bulk-packaged drug (medicinal) products (e.g., tablets or capsules in bulk containers), or radiopharmaceuticals. 本指南不包括所有疫苗、完整细胞、全血和血浆、全血和血浆的衍生物（血浆成分）和基因xx的原料药。但是却包括以血或血浆为原材料生产的原料药。值得注意的是细胞培养基（哺乳动物、植物、昆虫或微生物的细胞、组织或动物源包括转基因动物）和前期生产可能应遵循GMP规范，但不包括在本指南之内。另外，本指南不适用于医用气体、散装的制剂药（例如，散装的片剂和胶囊）和放射性xx的生产。

 
Section 19 contains guidance that only applies to the manufacture of APIs used in the production of drug (medicinal) products specifically for clinical trials (investigational medicinal products). 第19章的指南只适用于用在药品（医疗用品）生产中的原料药制造，特别是临床实验用药（研究用医疗产品）的原料药制造。
 
An API starting material is a raw material, an intermediate, or an API that is used in the production of an API and that is incorporated as a significant structural fragment into the structure of the API. An API starting material can be an article of commerce, a material purchased from one or more suppliers under contract or commercial agreement, or produced in-house. API starting materials normally have defined chemical properties and structure. “原料药的起始物料”是指一种原料、中间体或原料药，用来生产一种原料药，或者以主要结构单元的形式被结合进原料药结构中。原料药的起始物料可能是在市场上有售、能够通过合同或商业协议从一个或多个供应商处购得，或由生产厂家自制。原料药的起始物料一般来说有特定的化学特性和结构。
 
The company should designate and document the rationale for the point at which production of the API begins. For synthetic processes, this is known as the point at which API starting materials are entered into the process. For other processes (e.g., fermentation, extraction, purification), this rationale should be established on a case-by-case basis. Table 1 gives guidance on the point at which the API starting material is normally introduced into the process. 生产厂商要指定并用书面文件说明原料药的生产从何处开始的理论依据。对于合成工艺而言，就是“原料药的起始物料”进入工艺的那一点。对其他工艺（如：发酵，提取，纯化等）可能需要具体问题具体对待。表1给出了原料药的起始物料从哪一点引入工艺过程的指导原则。
 
From this point on, appropriate GMP as defined in this guidance should be applied to these intermediate and/or API manufacturing steps. This would include the validation of critical process steps determined to impact the quality of the API. However, it should be noted that the fact that a company chooses to validate a process step does not necessarily define that steps as critical. 从这步开始，本指南中的有关GMP规范应当应用在这些中间体和/或原料药的制造中。这包括对原料药质量有影响的关键工艺步骤的验证。但是，值得注意的是厂商选择某一步骤进行验证，并不一定将该步骤定为关键步骤。
 
The guidance in this document would normally be applied to the steps shown in gray in Table 1. However, all steps shown may not be completed. The stringency of GMP in API manufacturing should increase as the process proceeds from early API steps to final steps, purification, and packaging. Physical processing of APIs, such as granulation, coating or physical manipulation of particle size (e.g., milling, micronizing) should be conducted according to this guidance. 本文件的指南通常适用于表1中的灰色步骤。但在表中体现的所有步骤并不是将应用GMP管理的所有步骤全部体现出来了。原料药生产中的GMP要求应当随着工艺的进行，从原料药的前几步到{zh1}几步，精制和包装，越来越严格。原料药的物理加工，如制粒、包衣或颗粒度的物理处理（例如制粉、微粉化）应当按本指南的标准进行。
 
This GMP guidance does not apply to steps prior to the introduction of the defined API starting material. 本GMP指南不适用于引入定义了的“原料药的起始物料”以前的步骤。

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