This guideline emphasizes considerations of both safety and quality risk management in establishing levels of mutagenic impurities that are expected to pose negligible carcinogenic risk. It outlines recommendations for assessment and control of mutagenic impurities that reside or are reasonably expected to reside in final drug substance or product, taking into consideration the intended conditions of human use.
Keywords: Impurities, genotoxicity, mutagenic, carcinogenic
Current version - effective from 30/09/2023
ICH M7(R2) Guideline on assessment and control of DNA reactive (mutagenic) impurities in pharmaceuticals to limit potential carcinogenic risk - Step 5
English (EN) (1 MB - PDF)
ICH M7(R2) Addendum on application of the principles of the ICH M7 guideline to calculation of compound-specific acceptable intakes - Step 5
English (EN) (1.95 MB - PDF)
ICH M7(R2) Questions and Answers on assessment and control of DNA reactive (mutagenic) impurities in pharmaceuticals to limit potential carcinogenic risk - Step 5
English (EN) (695.59 KB - PDF)
Document history
Overview of comments received on 'Draft ICH guideline M7 on assessment and control of DNA reactive (mutagenic) impurities in pharmaceuticals to limit potential carcinogenic risk - Addendum - Step 2b'
English (EN) (185.79 KB - PDF)
Draft ICH guideline M7 on assessment and control of DNA reactive (mutagenic) impurities in pharmaceuticals to limit potential carcinogenic risk - Addendum - Step 2b
English (EN) (989.54 KB - PDF)
ICH guideline M7(R1) on assessment and control of DNA reactive (mutagenic) impurities in pharmaceuticals to limit potential carcinogenic risk - Step 5
English (EN) (1.34 MB - PDF)
Overview of comments received on ICH guideline M7 on assessment and control of DNA reactive (mutagenic) impurities in pharmaceuticals to limit potential carcinogenic risk - questions & answers (EMA/CHMP/ICH/321999/2020)
English (EN) (231.48 KB - PDF)
Guideline on assessment and control of DNA reactive (mutagenic) impurities in pharmaceuticals to limit potential carcinogenic risk - Step 4
This document is intended to provide guidance for new drug substances and new drug products during their clinical development and subsequent applications for marketing.
English (EN) (476.61 KB - PDF)
ICH M7(R1) Addendum on application of the principles of the ICH M7 guideline to calculation of compound-specific acceptable intakes - Step 2b
English (EN) (949 KB - PDF)
Questions and answers on the guideline on the limits of genotoxic impurities
English (EN) (366.64 KB - PDF)
Questions and answers - ICH guideline M7 on assessment and control of DNA reactive (mutagenic) impurities in pharmaceuticals to limit potential carcinogenic risk - Step 2b
This question and answer (Q&A) document aims to provide additional clarification and to promote convergence and harmonisation of the considerations for assessment and control of DNA reactive (mutagenic) impurities and of the information provided during drug development, marketing authorisation applications and/or master files.
The scope of this Q&A document follows that of ICH M7.
Use the comments form to provide comments. The completed comments form should be sent to [email protected].
English (EN) (403.88 KB - PDF)
Superseded documents
Guideline on the limits of genotoxic impurities
English (EN) (445.06 KB - PDF)
ICH guideline M7(R1) on assessment and control of DNA reactive (mutagenic) impurities in pharmaceuticals to limit potential carcinogenic risk - Step 5
English (EN) (1.34 MB - PDF)
External links
ICH M7 (R1) Video Training Material (see M7 (R1) Video Training Material under Relevant sections of M7 Mutagenic impurities: WG Presentations / Trainings
ICH M7(R2) Step 2 Presentation (see ICH M7(R2) Step 2 Presentation under Relevant sections of M7 Mutagenic impurities: WG Presentations / Trainings)
ICH M7 (R2) Questions and Answers: Step 2 Presentation (see ICH M7 (R2) Questions and Answers: Step 2 Presentation under Relevant sections of M7 Mutagenic impurities: WG Presentations / Trainings)