the benefit/risk balance during the life cycle of drugs in ... · pdf fileisk. m. anager 12...
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THE BENEFIT/RISK BALANCEDURING THE LIFE CYCLE OFDRUGS IN JAPAN
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CONTENTS
1. Balancing Benefit and Risk
2. Risk Manager
3. Risk Management Plan (RMP)
4. PMDA’s view on Pharmaceutical Affairs
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1. BALANCING BENEFIT AND RISK
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PMDA’s Safety Triangle
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People
ReviewRisk reduction
SafetyContinuous risk
mitigation efforts
ReliefRelief measures for
health damage caused by risk
factors
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Improving Estimation
(Efficacy & Safety)
Developing New Tools
Balancing Various Factors e.g. Benefit / Risk
Social ImpactAdvocated by PMDA
October, 2010
Regulatory science as a bridge between Science and society.Tominaga, T. et al : Clin. Pharmacol. Ther. 90(1) 29~31( 2011)
Regulatory Science (RS):“the science aimed at the optimal introduction of new products of science, such as discovered substances and new scientific tools/technologies and knowledge/ information into society.”
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Three Pillars of Regulatory Science
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Continuous and Comprehensive B/R Evaluation through Life Cycle of Drugs
ReviewDevelopment(Clinical Trial Consultation)
BenefitsRisks
Post-Market
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• Evidence for efficacy and safety of medical products should be produced by the companies.
• Regulators instruct the companies to produce and visualize scientific evidence of medical products.
• Medical Products should be so used that their Risk can be minimized and their Benefit maximized.
Basis for Regulatory Decision
RMP and Collaborative Post Market Measures
Responsibilities of Companies and Regulators
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Spontaneous reporting system Use result survey Early Post-marketing Phase Vigilance (EPPV) Revision of package insert Preparation and provision of Medication guide for
patients
B/R Evaluation throughout Life Cycle of Drugs and Pharmacovigilance Strategies
Development stage Review stage Post-approval
stage
Companies’ effort
• RMP
PMDA’s effort
• Risk Manager system• MIHARI project• EMR network project
(New Approach)
(Existing Approaches)
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2. RISK MANAGER
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12 Risk Managers (RMs) in different disease areasRMs are liaison between clinical
development and post-marketing safety measuresRMs contribute to life cycle monitoring
of drug safety, and to more appropriate and timely safety actions to be taken.
Risk Manager
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Risk manager in PMDA review team
Manager
Pharmacist BiostatisticianEpidemiologist
Risk Manager (RM)
Team leader
Medical Doctor
Advise to developing product;• To clarify the safety issues• To make safety measure before approval• To Identify issues to collect post-marketing data• To avoid misuse• To make user friendly information( incl. labeling)
*Responsible for coordinating review and safety departments
New System of Life Cycle Monitoring of Drug B/R balance~ Establishment of Risk Manager ~
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development of early post-marketing phase
vigilance plan
Advice on Drug’s post-marketing
safety measures
evaluation of the result of post-market survey
(Clinical Trial Consultation)
Risk Manager
Risk Manager throughout Drug Life Cycle
Review Department Safety Department
(Act as Liaison)
Development Review Post- market
[Case of Dabigatran]
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3. RISK MANAGEMENTPLAN(RMP)
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1. Aim1. Life-cycle Risk Management2. Follow-up specified known/unknown Risks3. Help applicants produce evidence on safety and
efficacy4. Clarification of evidences to get applicants involved5. Help to evaluate benefit/risk strategically
2. Procedure1. Companies submit Draft RMP with NDA (Apr. 2013- )2. Discussion and agreement on RMP b/w PMDA and
companies before approval3. Revision after marketing at safety events
RMP Outline
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Pharmacovigilance Plan Risk Minimization Plan
Routine
Additional
Safety Specification
Important Specified RisksImportant Potential RisksImportant missing Information
Additional actionNecessary?(Assessment)※ No
Yes
※:In deciding the measures to be taken, good consideration is required to avoid excess burdens and confusion in real clinical settings.
Spontaneous ReportLiterature search
Package InsertPrecautions
• Enhancement of Spontaneous Report Collection by EPPV
• Use result survey• Specified use result survey
• Post-market Clinical Trial
•Information dissemination by EPPV•Medication guide for patients•Educational program•Limiting access•Revision of precautions
Pharmacovigilanceand/or Risk Minimization activities?
(Assessment)※
Additional vigilance plan
Additional Risk Minimization practices
Risk A
ssessm
ent
(Perio
dical re
ports)
Conceptual Diagram of RMP (workflow process)
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• Optimal risk management and data collection– Incl. generic drug
• Start discussion at the development stage
• Set up milestones– Obvious goal of surveillance
– Revision of RMP by new information, if necessary.
• Transparency among stakeholders– Comprehensive information collection & risk
management thorough life-cycle of the product
Characteristics of Japanese RMP
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Guidance for RMP was issued Apr.11, 2012Provides basic ideas for companies to prepare
Risk Management Table of Contents
1. Introduction
2. RMP
3. Safety specification
4. Pharmacovigilance plan
5. Plan for survey/study on Efficacy
6. Risk minimization plan
7. Evaluation of RMP and report to PMDA
Guidance for RMP
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4. PMDA’S VIEW ONPHARMACEUTICAL AFFAIRS
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• Purpose of Pharmaceutical Affair is to improve the public health through regulations to secure quality, efficacy and safety of drugs and medical devices and taking necessary measures to promote R&D, where the reliability must be verified.
• Medical Service: Individual Medicine/Health
• Pharmaceutical Affairs: Public Medicine/Health
• Ultimate Medical Ethics
PMDA’s view on Pharmaceutical Affairs
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Scientific Integrity/Honesty
Academic Science
Regulatory Science
Contribution to the World and the Society
Absolute ValuesRelative Values
Applying “Academic Science” to the Society through “Regulatory Science”
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Academia
PMDAPharmaceutical
consultation on R&D Strategy
Basic Research
Seeds of new drug /
medical devices
originated in Japan
Non-clinical tests
Quality Tests
After POCPOC
CTPractical
use
Innovative medical products
Offices of review : Drugs & Medical Devices
Clinical Trial Consultation
Review
Review Approve
Establishment of the Science BoardThe Science Board was established in May 2012 to discuss how PMDA can better cope with products with advanced scientific technology, in each developmental stage such as basic research, development support, product review, and post market safety measures.
Office of Review Innovation
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Board members
Establishment of the Science Board
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People
Industry
RegulatoryAuthorities
Academia
Collaboration among Industry, Government, Academia, and Peoplewith recognition of each parties’ obligations and responsibilities
Ideal Picture of Drug Regulation
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Ultimate medical ethics is exemplified in pharmaceutical affairsRegulatory Science helps to practice medical ethics
THANK YOU FOR YOURATTENTION!