implementation of the ich q3d guideline in the ph....
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Implementation of the ICH Q3D guideline in the Ph. Eur.
PQRI/USP Workshop, USP Meeting center2-3 November 2017
Mr Bruno Spieldenner, European Pharmacopoeia, EDQM
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Elemental impurities in the Ph. Eur.A revolution?!
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Elemental impurities in the Ph. Eur.…Rather an evolution
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No guideline for safety limitsEMA guideline on
specification limits for residues of metal catalysts or
metal reagents2008 ICH Q3D development
and implementation2013 2018
Non specific « heavy metals » testLimit at 10 or 20 ppm Lead
FlexibilityMethod 2.4.20
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EMA timelines
Source: http://www.ema.europa.eu/docs/en_GB/document_library/Other/2015/03/WC500184920.pdf
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Ph. Eur aligned to the extent possible with these implementation dates
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Press releases on Ph. Eur. strategy
• 18th July 2014 : Ph. Eur. strategy regardingelemental impurities and implementation of ICH Q3D.
• 28th April 2015: Ph.Eur. policy on elementalimpurities and timelines for revision of general and individual texts.
• 7th August 2015: clarification for products outsideof the scope of ICH Q3D.
• 11th January 2017: update on the Ph. Eur. implementation strategy
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Content and structure of the Ph. Eur.
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Provide basic and very general information that are valid for all texts. Help to understand aspects of wording, structure and requirements of the Ph. Eur.
SPECIFICITY
• General methods: general requirements for analytical procedures.
• General texts: informative texts, guidelines (e.g. microbiology, chemometrics)
Become mandatory when cited in monograph
• Dosage forms: applied during licensing• Group of products: defined by production
method, risk factors or intended use. Summarises mandatory quality aspects common to a given group.
EDQM ©2017 EDQM, Council of Europe. All rights reserved.EDQM ©2017 Council of Europe. All rights reserved.
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What happened over the last year ?
We love it when a plan comes together…
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What happened over the last year ?
• 5.20: Replacement of the EMA guideline by parts of the introduction and the scope of ICH Q3D
• Pharmaceutical preparations (2619)• EIs must be part of the risk assessment for all
preparations• ICH Q3D is legally binding for products in its scope
• Substances for pharmaceutical use (2034) : • Elements intentionally added are controlled during
production.• Clarification for the deletion of specifications (unless
otherwise prescribed) from monographs
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What happened over the last year ?
• Transition away from the heavy metals test to risk assessment or other methods in many texts
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A little help for a “smooth” transition ?
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What are we up to now ?
Already practicing basketball with our versions of ICH Q3D ??........ Not quite yet !
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ICH Q3D still keeps us busy• International harmonisation of
chapter 2.4.20 Determination of EIs • Monographs on containers
under discussion• Planning of revision of other chapters
linked with EI testing (ICP methods)• Early 2018: launch of Ph. Eur. EIs reference material
for big 4 (Pb, Hg, Cd & As)• Impact of the implementation strategy on individual
monographsDeletion/revision of specific metal tests
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Revision of specific metal tests- a differentiated approach -
5 categories based on potential sources of contamination as identified in ICH Q3D (§5.2)
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Residuals resulting from elements intentionally added
not intentionally added but potentially present
potentially introduced from manufacturing equipment
potentially leached from container closure system
having no PDE (« Other elements »)
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Approach for specific EI tests
• metal catalyst• Specific of the production pathway• Manufacturing secret• No change control• New sentence in substances for
pharmaceutical use: must be controlled during production
Delete the corresponding tests frommonographs
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Source:ICH Q3D
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Approach for specific EI tests
• Elements naturally present in mined excipients
• Present the highest potential risk• Purification very difficult• Tests should remain with a
mandatory status
Delete tests for class 2B EI as highlyunlikely to be naturally present (unlessotherwise justified) Batch data needed to get the biggerpicture (ICH classes 1,2A and 3)
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Approach for specific EI tests
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Out of scope GMP Out of scope CCS studies
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Approach for specific EI tests
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• Reduced toxicological risk
Keep tests for defining the quality of the substance
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• Each group of experts involved to assess case by case whether the specifictests can be suppressed (categories , and ) or maintained (category )
• Special focus: Substances of natural origin (mainly mined excipients)• First monographs have been published for consultation in Pharmeuropa 29.3
• Obtain batch data and revise maintained tests / or add new ones, if necessary, based on batch data (also category )
Need for more expertise and support (especially from manufacturers) to revise/maintain these tests
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Specific metal tests – next steps
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Second phase
First phase (ongoing)
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Acknowledgments
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Special thanksDr M. Tuerck, chair of the Group 9 (inorganics)Dr JL Robert, former chair of the EPCDr T Gosdschan present chair of the EPC
EDQMDr S. KeitelMs C. VielleDr U. RoseAll other colleagues fromPh. Eur. department
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Thank you for your attention!
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