Das zentrale Thema dieses Buchs sind mutagene Verunreinigungen und deren Auswirkungen auf die pharmazeutische Industrie. Die aktuelle Ausgabe umfasst neue Kapitel und aktualisierte Inhalte, in denen die Anwendung der Richtlinie ICH M7 berücksichtigt wird. Gleichzeitig liegt der Schwerpunkt wie zuvor auf dem Thema mutagene Verunreinigungen aus toxikologischer und analytischer Sicht. Auch die neue Ausgabe ist eine wichtige Quelle für alle, die sich mit dem Problem mutagener Verunreinigungen befassen. Sie enthält eine klare Darstellung der Richtlinien und konkrete praktische Lösungen, die es den…mehr
Das zentrale Thema dieses Buchs sind mutagene Verunreinigungen und deren Auswirkungen auf die pharmazeutische Industrie. Die aktuelle Ausgabe umfasst neue Kapitel und aktualisierte Inhalte, in denen die Anwendung der Richtlinie ICH M7 berücksichtigt wird. Gleichzeitig liegt der Schwerpunkt wie zuvor auf dem Thema mutagene Verunreinigungen aus toxikologischer und analytischer Sicht. Auch die neue Ausgabe ist eine wichtige Quelle für alle, die sich mit dem Problem mutagener Verunreinigungen befassen. Sie enthält eine klare Darstellung der Richtlinien und konkrete praktische Lösungen, die es den Leserinnen und Lesern ermöglichen, wirksame Kontrollmaßnahmen zu entwickeln.
Andrew Teasdale, PhD, is a senior principal scientist with AstraZeneca and a member of ICH Q3C, Q3D, Q3E Expert working groups as well as an industry advisor to ICH M7. He received his doctorate in organic chemistry from Durham University. He is the inventor of the purge factor concept applied to risk assessment of mutagenic impurities and has authored over 30 papers on that subject.
Inhaltsangabe
List of Contributors xix
Preface xxi
Section 1 The Development of Regulatory Guidelines for Mutagenic/Genotoxic Impurities - Overall Process 1
1 Historical Perspective on the Development of the EMEA Guideline and Subsequent ICH M7 Guideline 3 Andrew Teasdale
1.1 Introduction 3
1.1.1 CPMP - Position Paper on the Limits of Genotoxic Impurities -2002 4
1.1.1.1 Scope/Introduction 4
1.1.1.2 Toxicological Background 4
1.1.1.3 Pharmaceutical (Quality) Assessment 4
1.1.1.4 Toxicological Assessment 4
1.1.2 Guideline on the Limits of Genotoxic Impurities - Draft June 2004 5
1.1.3 PhRMA (Mueller) White Paper 6
1.1.4 Finalized EMA Guideline on the Limits of Genotoxic Impurities - June 2006 8
1.1.4.1 Issues Associated with Implementation 9
1.1.4.2 Control Expectations for Excipients 11
1.1.4.3 Control Expectations for Natural/Herbal Products 12
1.1.4.4 Identification of Potential Impurities 12
1.1.4.5 The Principle of Avoidance 12
1.1.4.6 The ALARP Principle 14
1.1.4.7 Overall 14
1.1.5 SWP Q&A Document 14
1.1.5.1 The Application of the Guideline in the Investigational Phase and Acceptable Limits for GIs Where Applied to Studies of Limited Duration 14
1.1.5.2 Application of the Guideline to Existing Products 15
1.1.5.3 Avoidance and ALARP 17
1.1.5.4 ICH Identification Threshold and its Relation to MI Assessment 17
1.1.6 FDA Draft Guideline 17
1.1.7 Other Relevant Guidance 17
1.1.7.1 Excipients 18
1.1.8 Herbals 18
1.1.9 ICH S9 18
1.1.10 Conclusions 19
References 19
2 ICH M7 - Assessment and Control of DNA Reactive (Mutagenic) Impurities in Pharmaceuticals to Limit Potential Carcinogenic Risk 21 Andrew Teasdale and Raphael Nudelman
2.1 Introduction 21
2.2 ICH M7 22
2.2.1 Introduction 22
2.2.2 Scope 22
2.2.2.1 Established Products 22
2.2.2.2 Anticancer Treatments 23
2.2.2.3 Nature of Therapeutic Agent/Excipients 23
2.2.3 General Principles 24
2.2.4 Considerations for Marketed Products 25
2.2.4.1 Post-approval Changes to Drug Substance, Chemistry, and Manufacturing Controls 26
2.2.4.2 Post-approval Changes to Drug Product Chemistry, Manufacturing, and Controls 26
2.2.4.3 Changes to the Clinical Use of Drug Products 26
2.2.5 Other Considerations for Marketed Products 27
2.2.6 Drug Substance and Drug Product Impurity Assessment 27
2.2.6.1 Synthetic Impurities 28
2.2.6.2 Degradation Products 28
2.2.7 Hazard Assessment 29
2.2.8 Risk Characterization 32
2.2.8.1 Acceptable Intakes Based on Compound-specific Risk Assessments 32
2.2.8.2 Acceptable Intakes for Class 2 and Class 3 Compounds 33
2.2.8.3 Multiple Impurities 34
2.2.8.4 Exceptions and Flexibility in Approaches 35
2.2.9 Control Strategy 35
2.2.9.1 Considerations for Control Approaches 37
2.2.9.2 Considerations for Periodic Testing 37
2.2.9.3 Control of Degradation Products 38
2.2.10 Lifecycle Management 38
2.2.11 Documentation 38
2.2.11.1 Clinical Trail Applications 38
2.2.11.2 Common Technical Document (Marketing Application) 39
2.2.12 Other Aspects 39
2.2.12.1 Relationship Between ICH M7 and ICH Q3A 39
Section 1 The Development of Regulatory Guidelines for Mutagenic/Genotoxic Impurities - Overall Process 1
1 Historical Perspective on the Development of the EMEA Guideline and Subsequent ICH M7 Guideline 3 Andrew Teasdale
1.1 Introduction 3
1.1.1 CPMP - Position Paper on the Limits of Genotoxic Impurities -2002 4
1.1.1.1 Scope/Introduction 4
1.1.1.2 Toxicological Background 4
1.1.1.3 Pharmaceutical (Quality) Assessment 4
1.1.1.4 Toxicological Assessment 4
1.1.2 Guideline on the Limits of Genotoxic Impurities - Draft June 2004 5
1.1.3 PhRMA (Mueller) White Paper 6
1.1.4 Finalized EMA Guideline on the Limits of Genotoxic Impurities - June 2006 8
1.1.4.1 Issues Associated with Implementation 9
1.1.4.2 Control Expectations for Excipients 11
1.1.4.3 Control Expectations for Natural/Herbal Products 12
1.1.4.4 Identification of Potential Impurities 12
1.1.4.5 The Principle of Avoidance 12
1.1.4.6 The ALARP Principle 14
1.1.4.7 Overall 14
1.1.5 SWP Q&A Document 14
1.1.5.1 The Application of the Guideline in the Investigational Phase and Acceptable Limits for GIs Where Applied to Studies of Limited Duration 14
1.1.5.2 Application of the Guideline to Existing Products 15
1.1.5.3 Avoidance and ALARP 17
1.1.5.4 ICH Identification Threshold and its Relation to MI Assessment 17
1.1.6 FDA Draft Guideline 17
1.1.7 Other Relevant Guidance 17
1.1.7.1 Excipients 18
1.1.8 Herbals 18
1.1.9 ICH S9 18
1.1.10 Conclusions 19
References 19
2 ICH M7 - Assessment and Control of DNA Reactive (Mutagenic) Impurities in Pharmaceuticals to Limit Potential Carcinogenic Risk 21 Andrew Teasdale and Raphael Nudelman
2.1 Introduction 21
2.2 ICH M7 22
2.2.1 Introduction 22
2.2.2 Scope 22
2.2.2.1 Established Products 22
2.2.2.2 Anticancer Treatments 23
2.2.2.3 Nature of Therapeutic Agent/Excipients 23
2.2.3 General Principles 24
2.2.4 Considerations for Marketed Products 25
2.2.4.1 Post-approval Changes to Drug Substance, Chemistry, and Manufacturing Controls 26
2.2.4.2 Post-approval Changes to Drug Product Chemistry, Manufacturing, and Controls 26
2.2.4.3 Changes to the Clinical Use of Drug Products 26
2.2.5 Other Considerations for Marketed Products 27
2.2.6 Drug Substance and Drug Product Impurity Assessment 27
2.2.6.1 Synthetic Impurities 28
2.2.6.2 Degradation Products 28
2.2.7 Hazard Assessment 29
2.2.8 Risk Characterization 32
2.2.8.1 Acceptable Intakes Based on Compound-specific Risk Assessments 32
2.2.8.2 Acceptable Intakes for Class 2 and Class 3 Compounds 33
2.2.8.3 Multiple Impurities 34
2.2.8.4 Exceptions and Flexibility in Approaches 35
2.2.9 Control Strategy 35
2.2.9.1 Considerations for Control Approaches 37
2.2.9.2 Considerations for Periodic Testing 37
2.2.9.3 Control of Degradation Products 38
2.2.10 Lifecycle Management 38
2.2.11 Documentation 38
2.2.11.1 Clinical Trail Applications 38
2.2.11.2 Common Technical Document (Marketing Application) 39
2.2.12 Other Aspects 39
2.2.12.1 Relationship Between ICH M7 and ICH Q3A 39
2.3 Conclusions 40
2.4 Commentary on ICH M7 Questions and Answers 40
2.4.1 Section 1 - Introduction 41
2.4.1.1 Questio
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