USP通则<711>溶出度试验更新解读

2023-04-23 10:28:16

在2022年11月USP发布的PF48(6)中,对通则<711>进行了修订,经过开放评议后,新修订的USP<711>通则将会在2023年5月1日正式生效。

生效后会使用新的标准物质,即USP溶出试验性能验证标准物质-泼尼松标准物质(Prednisone RS)取代USP标准物质泼尼松片(USP Prednisone Tablets RS)。同时与此标准物质相关的《The Dissolution Procedure—Development and Validation ?1092?》也将会一同修订。

修订后的通则将使用新的USP溶出试验性能验证标准品泼尼松标准物质(DPVS-泼尼松片)取代现有的USP标准物质泼尼松片,用以确认溶出试验装置1(篮法)和溶出试验装置2(桨法)。


在此,我们对现阶段使用的USP Prednisone Tablets RS及新发布的Prednisone RS做了总结对比如下:


01

全新的标准物质与现行标准物质之间的区别

1、全新DPVS-泼尼松片仍然含有泼尼松作为分析标记物,调整后的形状为球体形状,在篮法及桨法测试时能够始终保持在容器底部,对仪器设置的操作和机械变量更加敏感。



2、现行的标准物质对介质脱气较为敏感,实验时溶出介质氧浓度应不超过6ppm(如下图)。

新的DPVS-泼尼松片标准物质对介质脱气不那么敏感,而且可重复性更高。


3、包装配置也已改变,每盒6片的吸塑包装被装在一个铝袋中,以提供防潮保护。


02

全新的标准物质与现行标准物质之间的区别

目前USP已发布的泼尼松片标准物质批次R154P0,将是最后一批批次,预计在2023年4月底停产,其有效使用日期(VUD)为2023年7月31日。在新版<711>正式生效后将不能再使用。
1、官方发布的有效使用日期:


2、测试条件及标准:

2、PVT限度值


下表为Prednisone Tablets RS R154P0批PVT限度值,USP Prednisone Tablets RS每批对应一个PVT限度,在更换批次时需要注意限度也在随之改变。

4、标准物质标签


下图为Prednisone Tablets RS Lot:R154P0标签



03

即将生效的新版标准物质


新版的标准物质已发布,详细信息如下:


1、新版标准品信息

官方发布的新标准品的第一个批次批号为F161Y0,第一批次的有效使用日期至2024年11月14日:



 2、测试条件及标准:

*如果设备仅专用一种桨法或者篮法,则仅需要对该法设备进行验证。



3、PVT限度值

下表为Prednisone RS R161Y0批PVT限度值


通过与Prednisone Tablets RS R154P0批实验条件及验证标准对比,PVT程序本身没有发生变化,新标准物质的GM有所提高,%CV减小,结果将会更稳定。



4、标准物质标签



下图为Prednisone RS Lot:F161Y0标签



04

其他更新内容

在修订版通则<711>正式生效之前,USP对溶出度工具包同时进行了升版,由原来的2.0升版至3.0,工具包中包含装置1及装置2的机械验证及性能验证测试程序指南。可复制以下网址进行查看:

https://www.usp.org/sites/default/files/usp/document/our-work/reference-standards/dissolution-toolkit-version3.pdf



05

现在需要做哪些工作?

现在官方发布的全新DPVS-泼尼松片标准物质,我们需要详细阅读官方发布的常见问答,了解在官方发布修订的通则<711>生效后是否需要马上重新进行性能验证?全新的标准物质是否可以立即订购?同时需要更新公司内部文件,如溶出仪的性能验证以及机械验证的相关文件及记录,保证在官方发布后能够按时执行。


06

新旧标准物质常见问题的问答

USP-NF对新旧标准物质更替过程中容易出现的一些常见问题发布的问答,详见如下:
1.Is the new reference standard (USP Dissolution Performance Verification Standard- Prednisone RS catalog #1222818) available for sale?
新的标准物质(USP溶出度性能验证标准物质-泼尼松标准物质目录#1222818)是否可供销售?
Yes, please refer to the product page on the USP Store for up-to-date information on the release of the new reference standard.
是的,请参考USP商店的产品页面,了解有关新标准物质发布的最新信息。
The associated revisions to General Chapter <711>Dissolutionare targeted to become official on 01-May-2023, at which time the new reference standard will be the only reference standard which can be used to meet the requirements of <711> Dissolution. The release of the new reference standard prior to the General chapter <711> Dissolution targeted official date would provide an opportunity for users to update internal documents and obtain experience with the new reference standard.
通则<711>溶出度的相关修订定于2023年5月1日正式生效,届时新标准物质将成为唯一可用于满足<711>溶出度要求的标准物质。在通则<711>溶出度的目标生效日期之前发布新的标准物质,将为用户提供一个更新内部文件和获得新标准物质经验的机会。

2.Why was a new reference standard released?

为什么要发布一个新的参考标准?

The release of the new USP Dissolution Performance Verification Standard – Prednisone RS catalog #1222818 is a part of USP's commitment to continuous enhancement of our products and services. The introduction of this new reference standard and the associated revisions to General Chapter <711>Dissolution are being recommended based on discussions with, and feedback from, various USP stakeholders.

新的 USP 溶出度性能验证标准 - 泼尼松 RS 目录 #1222818 的发布是 USP 对持续改进我们产品和服务的承诺的一部分。根据与USP各利益相关者的讨论和反馈,我们建议引入这一新的参考标准以及对<711>溶出度的相关修订。

3.What is the difference between the new reference standard (USP Dissolution Performance Verification Standard – Prednisone RS catalog #1222818) and the current reference standard (USP Prednisone Tablets RS catalog #1559505)?

新的标准物质(USP溶出度性能验证标准--泼尼松片RS(产品编号1222818))与现行标准物质(USP泼尼松片RS(产品编号1559505))之间有什么区别?

Based on the internal USP studies that have been performed, the new reference standard is considered more sensitive to operational and mechanical variables of instrument setup, less sensitive to media degassing, and more reproducible. The packaging configuration has also been changed. Each blister pack of 6 tablets is packaged in an aluminum sachet to provide additional protection against moisture.

根据已经进行的USP内部研究,新的标准物质被认为对仪器设置的操作和机械变量更加敏感,对介质脱气不那么敏感,而且可重复性更高。包装配置也已改变。每盒6片的吸塑包装被装在一个铝袋中,以提供额外的防潮保护。

4.Will the Valid Use Date (VUD) for each lot of the new reference standard continue to be provided on the USP Certificate?

USP证书上是否会继续提供每批新标准物质的有效使用日期(VUD)?

Yes, the Valid Use Date (VUD) will be included on the USP Certificate for the new reference standard (USP Dissolution Performance Verification Standard – Prednisone RS catalog #1222818).

是的,有效使用日期(VUD)将包括在新标准物质的USP证书上(USP溶出性能验证标准-泼尼松RS(产品编号1222818))。
5.Will USP Prednisone Tablets RS catalog #1559505 be discontinued?
USP泼尼松片RS(产品编号:1559505)是否会停产?

Yes, the current reference standard (USP Prednisone Tablets RS catalog #1559505) will be discontinued on or about 28-Apr-2023 in anticipation of the associated revisions to General Chapter <711> Dissolution becoming official. The target official date for the proposed revisions is 01-May-2023. These revisions include the replacement of the USP Prednisone Tablets RS with the USP Dissolution Performance Verification Standard – Prednisone RS. USP has released Lot R154P0, which will be the last lot of the USP Prednisone Tablets RS and has an assigned Valid Use Date (VUD) of 31-July-2023.

是的,目前的标准物质(USP泼尼松片RS(产品编号:1559505))将在2023年4月28日前后停止发行,因为预计通则<711>溶出度的相关修订将正式生效。拟议修订的目标生效日期是2023年5月1日。这些修订包括用USP Dissolution Performance Verification Standard – Prednisone RS取代USP Prednisone Tablets RS。USP已经发布了R154P0批次,这将是USP泼尼松片RS的最后一个批次,其指定的有效使用日期(VUD)为2023年7月31日。

6.Can I still use the current reference standard (USP Prednisone Tablets RS catalog #1559505) after the official date of the revised documentary standard?

在修订后的文件标准的生效之后,我是否还能使用目前的标准物质(产品编号为1559505的USP泼尼松片RS)?

No, Lot R154P0 cannot be used to meet the requirements of General Chapter <711> Dissolution after the revisions are official (Target Official Date: 01-May-2023).

不可以,批号R154P0不能用于满足通则<711>在修订后溶出度的要求(计划生效日期:2023年5月1日)。

7.Can I use the new reference standard (USP Dissolution Performance Verification Standard – Prednisone RS catalog #1222818) to meet the requirements of the currently official version of General Chapter <711> Dissolution?

我是否可以使用新的标准物质(USP溶出度性能验证标准--泼尼松RS(产品编号:1222818))来满足目前官方版本的通则<711>溶出度要求?

No, USP Dissolution Performance Verification Standard – Prednisone RS (catalog #1222818) cannot be used to meet the requirements of General Chapter <711> Dissolution where the use of USP Prednisone Tablets RS (catalog #1559505) is specified. It has been provided prior to the official date of the <711> revisions only to ensure users have sufficient time to prepare for compliance by the official date (Target Official Date: 01-May-2023). Early adoption will not be allowed (see next question).

不可以,USP溶出性能验证标准物质-泼尼松片RS(产品编号1222818)不能用于满足<711>溶出的要求,因为该章节规定使用USP泼尼松片RS(产品编号1559505)。在<711>修订版的生效日期之前提供,只是为了确保用户有足够的时间在生效日期(目标生效日期:2023年5月1日)之前做好合规准备。将不允许提前采用(见下一个问题)。
8.Will the revisions to General Chapter <711> Dissolution be eligible for early adoption?
对通则<711>溶出度的修订是否可以提前采用?
The new standard (USP Dissolution Performance Verification Standard – Prednisone RS catalog #1222818) has been made available for purchase before the revision to General Chapter <711> Dissolution is targeted to become official in order to allow users to update internal documents and obtain experience with the new reference standard. However, the <711> Dissolution revisions is not eligible for Early Adoption (refer to General Notices 3.10). The new reference standard (USP Dissolution Performance Verification Standard- Prednisone RS catalog #1222818) is a unique formulation and has a different dissolution profile compared to the USP Prednisone Tablets RS (catalog #1559505). USP is not allowing early adoption in order to minimize ambiguity on compendial compliance.  
新标准物质(USP 溶出度性能验证标准 - 泼尼松 RS (产品编号:1222818))已在通则 <711> 溶出度修订版正式生效之前提供给大家购买,以便用户更新内部文件并获得使用新参考标准的经验。但是,<711>溶出度修订版不符合早期采用的条件(参见凡例3.10)。新的标准物质(USP溶出性能验证标准-泼尼松片RS(产品编号:1222818)是一种独特的配方,与USP泼尼松片RS(产品编号:1559505)相比具有不同的溶出情况。USP不允许提前采用,以尽量减少对药典合规性的歧义。
9.Is Performance Verification Testing (PVT) performed before the revision to General Chapter <711> Dissolution still valid after the revision becomes official?
在修订通则<711>溶出度前进行的性能验证测试(PVT)在修订版本正式生效后是否仍然有效?
The <711> Dissolution revision will not require customers to reevaluate an instrument that underwent Performance Verification Testing (PVT) prior to the official date. <711> Dissolution indicates that the apparatus suitability test must be performed “periodically” (without indication of a definitive time-period). USP recommends six-month intervals in the PVT Toolkit: https://www.usp.org/reference-standards/dissolution.pvt. 
<711>溶出度修订版不会要求客户重新评估在正式日期之前已经进行了性能验证测试(PVT)的仪器。<711>溶出度指出,仪器适用性测试必须“定期”进行(没有指出明确的时间段)。USP在PVT Toolkit中建议每六个月进行一次:https://www.usp.org/reference-standards/dissolution.pvt。
10.What advantages does the use of the USP Performance Verification Test (PVT) present over mechanical calibration?
与机械校准相比,使用USP性能验证测试(PVT)有什么优势?
PVT verifies that the user is getting accurate dissolution results to ensure patient safety and avoid costly recalls due to quality issues. Mechanical qualification alone does not provide sufficient evidence that the apparatus is performing satisfactorily. PVT assesses the operation of the whole assembly, to verify that the different components are working together properly. Both mechanical and PVT are necessary to ensure that a dissolution instrument is fully qualified. For more information and benefits of PVT, please refer to the following while paper on dissolution tester qualifications: https://www.usp.org/sites/default/files/usp/document/our-work/chemical-medicines/usp-pvt-dissolution-test.pdf
PVT验证用户获得准确的溶出度结果,以确保病人的安全并避免因质量问题而导致的昂贵的召回。单纯的机械校准并不能提供足够的证据证明仪器的性能是令人满意的。PVT评估整个组件的操作,以验证不同的组件是否正常工作。机械校准和PVT都是必要的,以确保溶出度仪器是完全合格的。有关PVT的更多信息和好处,请参考以下有关溶出度测试仪验证的论文:
https://www.usp.org/sites/default/files/usp/document/our-work/chemical-medicines/usp-pvt-dissolution-test.pdf
11.What stakeholder engagement tools does USP plan to use when the revisions to General Chapter <711> Dissolution become official?
当通则<711>溶出度的修订版本正式生效时,USP计划使用哪些利益相关者参与工具?
USP will have a number of informational tools, including but not limited to a product factsheet, webpage, video(s), webinar(s), and a white paper, available to users regarding the new reference standard and General Chapter <711> revisions. Additional information will be provided here when available.

USP将提供一些信息工具,包括但不限于产品说明书、网页、视频、网络研讨会和白皮书,供用户了解新的标准物质和通则<711>的修订情况。如有其他信息,将在此提供。

12.Does using tweezers affect the integrity of the tablets? – USP Dissolution Performance Verification Standard - Prednisone RS (catalog #1222818) is stronger than USP Prednisone Tablets RS (catalog #1559505). Due to the changes in size and formulation of the new reference standard, the new tablets require a significantly higher tablet breaking force compared to the current product. We have not observed any issues with crushing or scratching the tablet surface when using metal forceps to handle the tablets in our lab. Of course, as with any analytical method, best practices for handling and testing a product are likely to be product-specific and can always be improved. Please refer to the following video for additional information on DPVS – Prednisone packaging and handling: https://www.youtube.com/watch?v=ou_qjeXXsVg

使用镊子是否会影响药片的完整性?- USP溶出度性能验证标准物质-泼尼松片 RS(产品编号:1222818)比USP泼尼松片RS(产品编号:1559505)硬度更大。由于新标准物质的尺寸和配方发生了变化,与目前的产品相比,新药片需要的破片力要高得多。我们在实验室中使用金属镊子处理片剂时,没有观察到任何压碎或刮伤片剂表面的问题。当然,与任何分析方法一样,处理和测试产品的最佳做法很可能是针对具体产品的,而且总是可以改进。关于溶出度性能验证标准-泼尼松包装和处理的其他信息,请参考以下视频:

https://www.youtube.com/watch?v=ou_qjeXXsVg


作者:常晓伟

审核:王孝东、魏巍、王亚蕊