| 2015 Final
| 2014 Draft
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1.
| 参考文献27条
- 增加ref 5 Compendial methods are verified rather than validated as described in section VI, C.,说明本指南中method validation的内涵
- ref 11 Sections as applicable in Module 3: 3.2.S and 3.2.P.的表述不同于原ref 10 的See sections 3.2.S.4 Control of Drug Substance, 3.2.P.4 Control of Excipients, and 3.2.P.5 Control of Drug Product.,不再明确在3.2.P的辅料控制和制剂控制部分提交分析规程确认或验证数据
- ref 18 比原ref 17增加两篇参考文献,ASTM E1488 Standard Guide for Statistical Procedures to Use in Developing and Applying Test Methods and ASTM E2782 Standard Guide for Measurement Systems Analysis.
- 增加ref19 See References section for examples including USP General Chapter <1010> Analytical Data – Interpretation and Treatment and ASTM E2935 Standard Practice for Conducting Equivalence Testing in Laboratory Applications. 定稿指南,在分析方法对比研究中增加“For information on statistical procedures to use for determining equivalence of two test methods, appropriate literature or text should be consulted.”
- 增加ref 23 ASTM E2935 – Standard Practice for Conducting Equivalence Testing in Laboratory Applications. 说明方法对比研究中的Equivalence, non-inferiority, or superiority studies
- ref 27比原ref 23增加FDA指南定期更新及官网链接
| 参考文献24条
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业界反馈
- 对于ref 23的参考文献和对应指南内容的描述,PDA建议参考E9指南对Equivalence、 non-inferiority、 superiority定义和细化,FDA未予采纳
- 对于ref 18, 19引用USP<1010>和ref 17引用USP<1226>,USP指出现有USP<1210>和USP<1200>在药典论坛中讨论,希望待其收入药典后FDA指南同样加以考虑,指南定稿中未体现FDA的态度;不过对于Pfizer指出的USP<1000>之后的USP通则仅是信息性内容,不宜体现在FDA指南中,而且USP可能会随时修订或取代通则章节,不应全部采纳,FDA并没有在该定稿指南中有任何调整或说明其适应性。
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2.
| 定稿指南,第42行
I. 简介,增加一指南INDs for Phase 2 and 3 Studies of Drugs, Including Specified Therapeutic Biotechnology-Derived Products (February 1999)
| I. 简介,仅有IND Meetings for Human Drugs and Biologics, Chemistry, Manufacturing, and Controls 44 Information.
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业界反馈
可能是回应了Pfizer公司指出的原草案中仅有程序性指南,最好能补充分析规程和方法验证指南
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3.
| 定稿指南,第53行
I. 简介,增加一段“Analytical methods required during product and process development activities are discussed in FDA guidance for industry on Process Validation: General Principles and Practices.”
| 指南草案,无
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4.
| 定稿指南,第76,77行
表述为Each BLA must include a full description of the manufacturing process, including analytical procedures that demonstrate...
| 表述为Each BLA must include a full description of the manufacturing methods, including analytical procedures that demonstrate...
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业界反馈
采纳PDA关于manufacturing methods的表述容易引起歧义的反馈
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5.
| 定稿指南中删除
| 指南草案,第77,79行
For BLAs and their supplements, the analytical procedures and their validation are submitted as part of license applications or supplements and are evaluated by FDA quality review groups.
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业界反馈
PDA表示理解关于分析方法,FDA审评员需要内容比一页概述要详细,但提交完整的验证技术包对企业和审评员都是负担。建议修改为procedures and comprehensive summary of the validation results wil be submitted...
Pfizer公司也建议使用their validation summaries而非their validation,因为后者太具体,不符合现在国际上的普遍要求,比如只提交summary,不提交完整的验证报告,仅保存在质量体系中,现场检查中可查看。
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6.
| 定稿指南,第80行
standards of accuracy, sensitivity, specificity, and reproducibility and are suitable for their intended purpose.
| standards of accuracy and reliability and are suitable for their intended purpose.
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7.
| 定稿指南,第83行
Analytical procedures verification or validation data
| Analytical procedures and validation data
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8.
| 定稿指南,第IV.D部分
增加,Description of reagent or standard、Purity (for pure chemicals only),修改为Potencies (where required by CFR, USP)、Storage conditions
| Standard potencies (purity correction factors)、Storage controls
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业界反馈
USP认为仅保留品级、来源、指出有危害性或不稳定的试剂或标准品即可,效价与批次有关,MSDS包含在分析方法中太长,因此应排除在分析方法之外,而是通过MSDS表或COAs等体现。
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9.
| 定稿指南,第198行,第286行
对同一份指南的引用变为,the FDA guidance for industry on Validation of Chromatographic Methods
| 原为CDER reviewer guidance on Validation of Chromatographic Methods
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业界反馈
Pfizer公司认为引用reviewer guidance不恰当,因为其适用于FDA工作人员而非工业界,业界不宜参考。
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10.
| 定稿指南,删除
| 指南草案,第219,220行
Q6A Specifications: Test Procedures and Acceptance Criteria for New Drug Substances and New Drug Products:Chemical Substances (ICH Q6A)
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11.
| 定稿指南,第230-235行
You should include information supporting any reference standards and materials that you intend to use in the application. Information supporting reference standards and materials should include qualification test reports and certificates of analysis (including stability protocols, reports, and relevant known impurity profile information) as applicable. For biological products under BLAs, qualification of subsequent reference standard lots should be included in annual reports.
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For biological products, you should include information supporting any reference standards and materials that you intend to use in the BLA and in subsequent annual reports for subsequent reference standard qualifications. Information supporting reference standards and materials include qualification test protocols, reports, and certificates of analysis (including stability protocols and relevant known impurity profile information, as applicable).
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12.
| 定稿指南,第269行
增加You should include details of the validation studies and results with your application.
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13.
| 位置调整为VI.B. Validation Characteristics
ICH Q2(R1) is considered the primary reference for recommendations and definitions on validation characteristics for analytical procedures. The FDA guidance for industry on Validation of Chromatographic Methods is available as well.
| 位置在VI.A. Noncompendial Analytical Procedures
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业界反馈
Sanofi认为由于2000指南草案中的表格已经移除,该段表述更适合放在VI.B,方便大家在阅读VI.B时看到。
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14.
| 定稿指南,删除
| 指南草案,第306-307行
Compendial general chapters, which are complex and mention multiple steps and/or address multiple techniques, should be rationalized for the intended use and verified.
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15.
| 定稿指南,第336-348行 VII. A. Statistics部分
Several statistical methods are useful for assessing validation characteristics, for example, an analysis of variance (ANOVA) to assess regression analysis R (correlation coefficient) and R squared (coefficient of determination) or linear regression to measure linearity. Many statistical methods used for assessing validation characteristics rely on population normality, and it is important to determine whether or not to reject this assumption. There are many techniques, such as histograms, normality tests, and probability plots that can be used to evaluate the observed distribution. It may be appropriate to transform the data to better fit the normal distribution or apply distribution-free (nonparametric) approaches when the observed data are not normally distributed. Appropriate literature or text should be consulted for information on statistical procedures to use when developing new test methods, evaluating existing test methods or evaluating measurement system performance, as well as other general information on the interpretation and treatment of analytical data. The data analysis should be assured either by using appropriately validated software or independent verification for correctness.
| Reportable statistics of linear regression analysis R (correlation coefficient), R square (coefficient of determination), slope, least square, analysis of variance (ANOVA), confidence intervals, etc., should be provided with justification. For information on statistical techniques used in making comparisons, as well as other general information on the interpretation and treatment of analytical data, appropriate literature or texts should be consulted.
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业界反馈
Pfizer公司认为草案中... should be provided...的表述不恰当,因为这里引用的方法并不经常采用,反而斜率、截距、R2(slope, intercept, r squared)更常用,因此上述统计学工具仅在适用时采用,而非应用全部方法。
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16.
| 定稿指南,360-362行
Once an analytical procedure (including compendial methods) is successfully validated (or verified) and implemented, the procedure should be followed during the life cycle of the product to continually assure that it remains fit for its intended purpose.
| Once an analytical procedure (including compendial methods) is successfully validated and implemented, the procedure will be followed during the life cycle of the product.
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17.
| 定稿指南,369行
Over the life cycle of a product, new information and risk assessments (e.g., a better understanding of product CQAs or awareness of a new impurity) may...
| Over the life cycle of a product, new information (e.g., a better understanding of product CQAs or awareness of a new impurity) may...
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18.
| 定稿指南,VIII.关于留样用于对比研究的部分
...maintained..., ...reserve samples..., The retention samples used in comparative studies should include samples that represent marketed product and, when possible, pivotal clinical trial material.
| ...archived..., ...archived samples..., The archived samples used in comparative studies should include samples that represent pivotal clinical trial material and marketed product.
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业界反馈
GPhA建议明确“archived sample”的定义;指出“archived samples”可能会到期无法用于或不适合用于产品生命周期内控制;建议应允许替代性方法用于评估方法的稳定性;要求FDA详细描述“archived samples”如何用于新方法开发的对比研究。
Lupin公司提出archived samples是否指retention samples,企业是否可以使用retentions samples用于对比研究。
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19.
| 定稿指南,455-56行
The number of batches analyzed for comparison should provide sufficient statistical power.
| The number of batches analyzed for comparison should be statistically relevant and justified for a pre-established confidence interval.
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20.
| 定稿指南,第467行,VIII.B.2. Analytical Methods Transfer Studies
Analytical method transfer is typically managed under a transfer protocol that details the parameters to be evaluated in addition to the predetermined acceptance criteria that will be applied to the results.
| Analytical method transfer is typically managed under an internal transfer protocol that details the parameters to be evaluated in addition to the predetermined acceptance criteria that will be applied to the results.
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业界反馈
PDA认为草案未明确从一公司到另一公司的方法转移有何要求,建议删除“internal”,FDA采纳
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