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MedDRA Important Medical Events (IME) in the EU
Patricia Mozzicato, MDMedDRA MSSO
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Topics Covered
• MedDRA refresher• Background of IME list• Considerations in maintaining MedDRA-
based term lists– Inclusion/exclusion criteria– Version updates– Examples from draft IME list
• IME list survey
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MedDRA Refresher
Drug Information Association www.diahome.org 3
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MedDRA Definition
MedDRA is a clinically-validated international medical terminology used by regulatory authorities and the regulated biopharmaceutical industry. The terminology is used through the entire regulatory process, from pre-marketing to post-marketing, and for data entry, retrieval, evaluation, and presentation.
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Regulatory Status of MedDRA in EU
• Clinical trials– SUSARs (Suspected Unexpected Serious
Adverse Reactions)• Volume 9A
– Individual Case Safety Reports (ICSRs) – Adverse reactions in PSUR– Standardised MedDRA Queries (SMQs)
recommended for signal detection• Interface between EudraVigilance and EU
Risk Management Plan – indications, risks, interactions
• Summary of Product Characteristics guideline
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Scope of MedDRA
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MedDRA’s Structure
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SOC = Respiratory, thoracic andmediastinal disorders
HLGT = Respiratory tract infections
HLT = Viral upper respiratorytract infections
HLT = Influenza viral infections
HLGT = Viral infectious disorders
SOC = Infections and infestations
PT = Influenza
Multi-Axiality
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Multi-Axiality (cont)
• For multi-axial terms, one SOC is primary• Primary SOC rules for:
– SOC Congenital, familial and genetic disorders– SOC Infections and infestations– SOC Neoplasms benign, malignant and unspecified
(incl cysts and polyps)• Three SOCs are not multi-axial:
– SOC Investigations– SOC Social circumstances– SOC Surgical and medical procedures
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MedDRA and the MSSO
• International support and development of terminology
• Foster use of MedDRA through communications and educational offerings
• “Custodians”, not owners, of the terminology
• JMO (partner organization for Japanese-language MedDRA)
• Governed by a Management Board (industry, regulators, multi-national, other interested parties)
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Background of IME List
Drug Information Association www.diahome.org 11
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Purpose of IME List
• Facilitate:– Classification of suspected adverse reactions– Aggregate data analysis– Case assessment for pharmacovigilance
activities• Intended for guidance purposes only
– Not mandatory requirement for regulatory reporting
– Option to use it for other purposes
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Initial Development of IME List
• Development by EV-EWG started in May 2007
• Identified MedDRA Preferred Terms (PTs) that are medically important regardless of presence of other regulatory seriousness criteria
• Based on an MHRA list
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Initial Development of IME List (cont)
• All terms in three SOCs initially INCLUDED:– SOC Congenital, familial and genetic disorders– SOC Infections and infestations– SOC Neoplasms benign, malignant and
unspecified (incl cysts and polyps)• All terms in two SOCs initially EXCLUDED:
– SOC Social circumstances– SOC Surgical and medical procedures
• Remaining terms in 21 SOCs were assessed by volunteers with medical background
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Inclusion of PTs on IME List
• Divided terms for inclusion into:– “Core serious” (CS) – always serious– “Extended serious” (ES) – serious in some
circumstances only• Teams of 4 – 6 volunteers reviewed the
terms:– If majority agreed, term added– If “tie”, the more conservative assessment was
taken (e.g., if 3 for CS and 3 for ES, term became CS)
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Maintaining MedDRA-based Term Lists
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MSSO and MedDRA Term Lists
• Term lists maintained by MedDRA MSSO– Gender-Specific Adverse Events– Pediatric Adverse events– Standardised MedDRA Queries (SMQs)
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Considerations for Maintaining Term Lists
• Understand purpose of list– What is the intended use of the list?– Are there other ways the list may be used?
• Understand scope of list– What are the inclusion/exclusion criteria?
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Maintenance of IME List
• List received for review in MedDRA v12.0; approx. 9000 PTs
• To update list to MedDRA v12.1, first inclusion/exclusion criteria needed to be developed
• Draft incl/excl criteria:– Overall– SOC-specific
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Maintenance of IME List (cont)
• Inclusion/exclusion criteria based on ICH definition of an IME
“…may not be immediately life-threatening or result in death or hospitalization but may jeopardize the patient or may require intervention to prevent one of the other outcomes listed in the definition above.”
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Examples: Inclusion/Exclusion Criteria
• Overall– Included
• Generally, all infarct/infarction terms (e.g., PT Renal infarct)
• Terms for failure or insufficiency of life-sustaining organ systems (PT Hepatic failure)
– Excluded• “Pain” and “discomfort” terms (PT Pain of skin)
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Examples: Inclusion/Exclusion Criteria (cont)
• SOC Cardiac disorders:– Included
• All terms for cardiac valve disorders (e.g., PT Aortic valve stenosis)
• All terms for endocardial disorders (PT Endocardial fibrosis)
– Excluded• Terms for trivial arrhythmias that do not lead to
more significant consequences (PT Extrasystoles)
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Development of CS/ES Criteria
• Core serious– Precisely fits definition of an IME
• Example: PT Stroke in evolution
• Extended serious– Does not precisely fit definition – Sometimes rather broad concept – With additional clinical information, may be or
evolve into an IME• Example: PT Anaemia
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Maintenance of IME List
• Original scope of IME list changed– Selected (not all) PTs from these SOCs
are included:• SOC Congenital, familial and genetic disorders• SOC Infections and infestations• SOC Neoplasms benign, malignant and unspecified (incl
cysts and polyps)
– Selected PTs from these SOCs are included (had originally been excluded):
• SOC Social circumstances• SOC Surgical and medical procedures
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Maintenance of IME List (cont)
• Apply incl/excl criteria to new v12.1 PTs• Review existing terms on list against
new criteria• Review terms not on list against new
criteria• Check for other PT changes (demotion
to LLT, change of primary SOC)
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Versioning of IME List
• EV-EWG and PhVWP have both reviewed revised term list and proposed inclusion/exclusion criteria
• List will be updated with each new MedDRA version
• Experts will review updated lists and criteria with each new version
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Current Activities
• EV-EWG created a survey for those who downloaded IME list
• Survey will be available online until 26 October 2010 (EudraVigilance Web site, under “News” -http://eudravigilance.emea.europa.eu/human/index.asp)
• Takes about 15-20 mins to complete• Data will be treated in a confidential way:
summary will be shared with MSSO, MedDRA Management Board and other interested parties
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Goals of Survey
• To assess:– Type of users who tested the IME list– How IME list has been tested– How useful IME list has been– How to improve IME list in the future
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Thank you
Drug Information Association www.diahome.org 29