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Research (R&D)


How Drugs Are Developed

3rd Edition

Publication Date   January 2007
Publisher   Scrip Reports
Product Type   Report
Pages   not applicable
ISBN Number   not applicable
Product Code   SCR014
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Summary


Reimbursement mechanisms for medical technology are highly complex in most countries, with different systems applicable to private and public healthcare, to different product categories and even to different regions of the same country. Not only that, but the goal posts keep moving, as countries reform and restructure their healthcare provision. Often reimbursement is used politically as a means of price curbing and slowing access to the latest technology, which leads to frequent overhauls of the systems in an attempt at achieving the best value for money.

These factors mean that for a medical technology company to be successful, it must devote significant time and resources to keeping abreast of the latest developments and devising strategies to best address the requirements.

Clinica's Global Trends in Reimbursement of Medical Technology allows the reader to analyse the role of clinical and economic data in obtaining reimbursement. The reader will also learn about the importance of technology assessment, which will maximise the chances of overcoming reimbursement hurdles and how to prepare a successful market entry strategy.

This report is a complete update of Clinica's best-selling 2004 report, Gaining Reimbursement for Medical Devices and Diagnostics, and features the latest information on requirements for reimbursement in the major markets. The report provides in-depth country profiles for the US, Japan, China, Germany, France, the UK, Italy and Spain.

Chapter 1 profiles the US reimbursement environment, paying particular attention to the highly fragmented, decentralised nature of the healthcare system, which is a blend of multiple public payers with a mix of entitlement and eligibility programmes, and multiple private third party payers that compete for business. For manufacturers, the US market represents the largest market opportunity for most products and has the most stakeholders impacting the reimbursement process. Manufacturers must understand the payer mix for their product relative to the payer mix for the US market to assure that the reimbursement strategy aligns to the particular payer sector that will be the most prominent decision-maker.

The challenges facing companies selling to the largest EU countries are described in chapter 2. In Europe, reimbursement systems vary between each country and different systems are applicable to private and public healthcare, to different product categories and even to different regions of the same country. In addition to this the goal posts are ever moving, as countries reform and restructure their healthcare provision. Germany, the largest EU market, is getting to grips with The Law for EnhancingCompetition in the Social Health Insurance System, which came into effect on April 1, 2007. With regard to the traditional structure and organisation of Germany's healthcare system the reform contains some of the most farreaching measures of recent healthcare legislation and it is likely to have considerable long-term effects on the medical device market in Germany.

Two other major European markets, France and the UK, are getting to grips with new systems for reimbursement coding, which will have a significant effect on purchasing, particularly of more expensive medical technologies.

The Asian markets of Japan and China are profiled in chapters 3 and 4 respectively. In Japan, a country with one of the oldest populations in the world, healthcare resources have been stretched for many years, leading to various attempts to curb spending. What's more, Japan sources most of its medical technology from indigenous suppliers. Despite this, the sheer size of the market and the country's return to economic growth make it increasingly attractive for foreign suppliers. There are still a great many hurdles to selling products in Japan. Companies have argued, however, that selling to Japan will become increasingly expensive with the new Market Authorization Holder system, which requires companies to appoint a separate body to control safety of marketed products. What's more the regulatory approval system in Japan is one of the slowest in the world.

The Chinese market will be the largest in Asia within the next 10 years so manufacturers cannot ignore this opportunity. However, access to this market is very difficult due to the size of the country and the complexity of the regulatory and reimbursement systems. Pricing of medical devices in China is primarily up to the manufacturer but government agencies and provincial bureau are starting to put into place more rules and regulations to limit prices all the way through the chain from the manufacturer's price to the end user price; in many cases the patient pays for the device.

ABOUT THE AUTHORS

JUDY ROSENBLOOM

Ms Rosenbloom is founder and president of JR Associates, a medical reimbursement consultancy that provides coding, coverage and payment strategies for device manufacturers, venture capital firms and healthcare practitioners worldwide. Ms Rosenbloom has spent over a decade working with a variety of medical specialties on optimizing reimbursement outcomes for innovative medical devices. Ms Rosenbloom has also conducted reimbursement training programmes, is a frequent speaker at national conferences and has authored coding reference publications that help clinicians improve their coding practices.

Prior to founding JR Associates, Ms Rosenbloom was co-founder and vice president of a company that managed and delivered cardiovascular, ultrasound and general imaging services to networks of hospitals and physician practices.

She is a former executive board member of the American Society of Echo (ASE) and was named ASE's coding and reimbursement consultant in 2005.

Currently, she is on the industrial advisory board of USC's Medical Device & Diagnostic Engineering graduate programme. Ms Rosenbloom is a past president of Women in Health Administration of Southern California and former board member of the American Heart Association/Los Angeles. She is a registered adult and paediatric cardiac sonographer. Ms Rosenbloom is co-author of the US chapter.

JO ELLEN SLURZBERG

Ms Slurzberg joined Almyra, a private international medical device holding company, in June of 2004 as vice-president. She is responsible for worldwide strategic reimbursement, health policy, and business development for the portfolio of medical devices and companies supported by the holding company. Prior to joining Almyra she was part of the executive consulting team at Boston Healthcare Associates, serving as vicepresident of consulting, leading the strategic reimbursement practice, consulting to the medical device, in vitro diagnostics, pharmaceutical, and biotechnology industry, as well as to various investment banks and venture capital firms. Ms Slurzberg began her career in the life sciences industry in 1983 in sales and marketing and has specialised in reimbursement and health policy since 1992. She has experience in both US and EU reimbursement and has a track record of achieving coverage, coding, and payment for innovative products.

In 2006, Ms Slurzberg was elected to serve on the board of directors of the Medical Device Manufacturers Association (MDMA) and she chairs the MDMA Reimbursement Task Force. She has conducted training programmes and authored publications on general reimbursement, including two Harvard Business School Notes with Professor Regina Herzlinger. She speaks frequently on reimbursement related business planning and development topics. Ms Slurzberg is co-author of the US chapter.

ALAN WILKINSON Alan has worked as an independent healthcare researcher and writer since 1998. He specialises in providing information services and business analysis to support new product development and international market access for a wide range of healthcare clients. From 1973 to 1994 he worked in new product development and marketing management roles for multi-national corporations in both the pharmaceutical and medical device sectors. His practical experience in the device arena spans ophthalmological implants and equipment, speciality surgical devices and vascular diagnostic equipment. Alan entered the medical information industry in 1994, working in business management roles with PJB Publications and its subsidiary Brookwood Medical Publications.

In late 2006 he spent a brief spell on assignment in Japan, gaining first-hand knowledge of the Japanese healthcare system. Alan is the author of the Japan chapter.

BRIAN LOVATT Brian studied medicine and pharmaceutical sciences at Manchester university and then moved into the pharmaceutical industry where his career spanned over 25 years working in clinical research and development and then into sales and marketing. Finally, Brian held senior management roles, responsible for business development, health economic outcomes, pricing and reimbursement across the business.

Brian was the first international industry based health economist developing some key methodological approaches to multi-country study data collection and analysis. Brian has been involved in co-authoring the health economic guidelines in the UK and, in addition, has been involved in developing and reviewing the health economic and health technology assessment guidelines in Australia, the US, Canada and numerous European countries.

Some 12 years ago, Brian created a sophisticated expert system and model for pharmaceutical pricing and reimbursement. This system is used today by several of the largest pharmaceutical companies and also forms the basis that a great many other companies use to determine price for their products.

Brian left the industry 10 years ago, from the position of global director responsible for all pricing, reimbursement and outcomes/value support. He now runs the international consultancy practice Vision Healthcare, an industry leader in pricing/reimbursement and strategic health economics.

Brian is author of the chapter on China.

KEVIN SULLIVAN Dr Sullivan is an economist specialising in the reimbursement of medical devices and pharmaceuticals in Germany, health economics and pharmacoeconomics and the development of strategies for introducing new medical technologies. He was formerly a senior consultant with Quintiles Consulting and is based in Germany. Dr Sullivan is author of the Germany section.

DUNCAN FATZ Duncan Fatz is an independent healthcare consultant and writer, who has specialised in medical devices for over a decade. Based in the UK, he is the author of a number of Clinica's best-selling reports, including EU Pricing and Reimbursement for Medical Devices and Diagnostics (2006), from which the France, Italy, Spain and UK sections have been sourced and updated.

Content


  • Chapter 1 Drug Targets and Target Hunting
    • 1.1 Target Hunting
    • 1.1.1 Proteins as Drug Targets
    • 1.1.2 Enzymes and The Significance of Protein Folding
    • 1.1.3 Protein Synthesis
    • 1.1.4 Further Processing of Proteins
    • 1.2 The Range of Drug Targets
    • 1.2.1 Bioinformatics
    • 1.2.2 Systems Biology
    • 1.2.3 Metabonomics
    • 1.3 The Range of Drugs
    • 1.3.1 Enzyme Inhibition
    • 1.3.2 7-Transmembrane Receptors (7tms)
  • Chapter 2 Lead Generation
    • 2.1 Introduction
    • 2.2 Small Molecule Lead Generation
    • 2.2.1 Units
    • 2.2.2 Lead Generation Strategies
    • 2.2.3 Lipinski's Rule of
    • Molecular Size
    • Fatty/Aqueous Considerations
    • Hydrogen Bonding
    • 2.2.4 Fragment-Based Lead Generation
    • 2.2.5 Chemi-Informatic Filters
    • 2.3 Practical Lead Generation
    • 2.3.1 High Throughput Screening (Hts)
    • 2.3.2 Receptor Binding Assays
    • 2.4 Combinatorial Chemistry
    • 2.5 Parallel Synthesis
    • 2.6 Structure/Activity Relationships (Sars)
    • 2.7 Sar, Quantified Structure/Activity Relationships and Cadd
    • 2.8 Secondary Screening
    • 2.9 Biotechnology and Lead Generation
    • 2.9.1 Mimicry of The Natural Ligand
    • 2.9.2 Recombinant Technology
    • 2.9.3 Recombinant Factor Viii
    • 2.9.4 Recombinant Erythropoietin
    • 2.9.5 Monoclonal Antibodies
    • 2.9.6 Monoclonal Antibodies and Immunogenicity
    • 2.9.7 Mechanism of Action
    • 2.9.8 Advantages and Disadvantages of Biological Products
    • Versus Small Molecules
  • Chapter 3 Lead Optimisation
    • 3.1 Early Safety Screening
    • 3.1.1 Genetic Toxicity
    • 3.1.2 E-Screens for Genetic Toxicity
    • 3.1.3 General Toxicity Screening
    • 3.1.4 Screening for Genetic Toxicity - The Ames Test
    • 3.1.5 Mouse Lymphoma Assay (Mla)
    • 3.1.6 Clastogenicity
    • 3.2 Hts Bioavailability and Pharmacokinetics
    • 3.2.1 Models of Absorption
    • 3.2.2 Metabolism
    • 3.2.3 Optimisation of Biologicals
    • 3.3 Summary
  • Chapter 4 Preparing for Development
    • 4.1 Patent Filing
    • 4.1.1 Competitor Surveillance
    • 4.2 Optimisation for Potency
    • 4.3 in Vivo Activity
    • 4.4 Therapeutic Ratio and A Consistent Drug Delivery
    • 4.5 Efficacy, Toxicity and Dose Consistency - The Basis of Preclinical Research
    • 4.6 in Search of Dosing Consistency
    • 4.6.1 The Significance of Low Bioavailability
    • 4.6.2 Optimisation of Bioavailability
    • Aqueous Solubility
    • Particle Crystallinity and Size
    • Polymorphism
    • 4.6.3 Stability
    • 4.6.4 Salt Formation
    • 4.6.5 Solution Stability
    • 4.7 Drug Disposition and Bioavailability
    • 4.7.1 Absorption and Distribution
    • 4.7.1.1 Metabolism and Excretion
    • 4.8 Pharmacokinetics (Primer)
    • 4.8.1 Cassette Dosing
    • 4.8.2 Absolute Bioavailability
    • 4.9 Drug Safety
    • 4.9.1 Toxicogenomics
    • 4.9.2 Safety Pharmacology
    • 4.9.2.1 Receptor and Enzyme Screening
    • 4.9.2.2 Cardiovascular Toxicity
    • 4.9.2.3 Respiratory System
    • 4.9.2.4 Central Nervous System (CNS) Screening
    • 4.10 Good Laboratory Practice
    • 4.11 Summary Statements
    • 4.12 Project Progression Criteria
    • 4.12.1 Target Proposal
    • 4.12.2 Nomination of A Lead
    • 4.12.3 Nomination of A Development Candidate
    • 4.12.3.1 Biology
    • 4.12.3.2 Patent
    • 4.12.3.3 Chemistry
    • 4.12.3.4 Pharmaceutics
    • 4.12.3.5 Drug Disposition
    • 4.12.3.6 Safety
    • 4.13 Preparing A Biological Candidate for Development
    • 4.13.1 Api Preparation
    • 4.13.2 Biological Drug Quality and Cell Banking
    • 4.13.3 Bioreactors
    • 4.13.4 Clinical Formulation
    • 4.13.5 Biologic Progression Criteria
    • 4.14 The Case for Development
  • Chapter 5 Preclinical Research
    • 5.1 Introduction
    • 5.2 Drug Substance Supplies (Kilogram-Scale Chemistry and Bioprocessors)
    • 5.2.1 Patents
    • 5.2.2 Environment
    • 5.2.3 Health and Safety
    • 5.2.4 Raw Material Sourcing and Pricing
    • 5.2.5 Scalability
    • 5.2.6 Optimisation
    • 5.2.7 Liaison with The Pharmaceutical Department
    • 5.3 Good Manufacturing Practice (Gmp)
    • 5.4 Synthetic Route Optimisation
    • 5.4.1 The Early Synthetic Route for Fluoxetine
    • 5.4.2 The Final (or Manufacturing) Route for Fluoxetine
    • 5.4.3 Analytical Sciences and Impurities
    • 5.4.3.1 The Importance of Finalising The Route to Drug Substance Early
    • 5.4.4 Manufacture of Biological Drugs
    • 5.4.5 Api Specification
    • 5.4.6 Stability
    • 5.5 Investigational Medicinal Product (Imp) Development
    • 5.5.1 The Oral Dosage Form Direct Compression
    • 5.5.2 Intravenous Dosage Form
    • 5.5.3 Specifications and Stability
    • 5.6 Non-Clinical Safety Assessment
    • 5.6.1 General Toxicology
    • 5.6.2 The Regulatory Requirements for Fim
    • 5.6.3 Reproductive Toxicology Embryo-Foetal Development (Efd) Testing(Segment Ii)
    • Fertility Testing (Segment I)
    • Peri and Postnatal Toxicity Trials (Segment Iii)
    • 5.6.4 Special Considerations for Biologicals
    • Pharmacokinetics
    • Immunotoxicity
    • 5.6.5 Genetic Toxicity and Carcinogenicity
    • The Ames Test for Regulatory Submission
    • Chromosomal Aberration Test
    • in Vivo Clastogenicity Testing
    • Carcinogenicity Testing
    • 5.6.6 High-Risk Medicinal Products
    • 5.7 Drug Disposition
    • 5.7.1 Pharmacokinetics
    • Bioavailability
    • Distribution
    • Elimination and Clearance
    • Therapeutic Window
    • Pk/Pd Modelling
    • 5.7.2 Adme
    • Multi-Resistance Drug Protein (Mdr)
    • Blood-Brain Barrier
    • Plasma Protein Binding
    • Distribution
    • Mass Balance Study
    • Tissue Distribution Studies
    • Bile Elimination Studies
    • Drug Disposition as The Linchpin of Drug
    • Development
  • Chapter 6 Translational Research
    • 6.1 Introduction
    • 6.1.1 Proof of Concept Studies
    • 6.1.2 Biomarkers
    • 6.1.3 Translational Research in Oncology
    • 6.1.4 Translational Research and Safety
    • 6.1.4.1 The Heart and The Liver
    • 6.1.4.2 Translational Research and Metabolism
  • Chapter 7 Project Management
    • 7.1 Introduction
    • 7.1.1 The Project Team
    • 7.1.2 The Kick-off Meeting
    • 7.1.3 The Project Plan
    • 7.1.4 Maintaining Progress
    • 7.2 The Project Team as The Company Experts
    • 7.3 Project Teams as Mediators of Innovation
    • 7.4 Project Teams and Outsourcing
    • 7.5 Project Managers
  • Chapter 8 Regulatory Submissions
    • 8.1 Introduction - The Regulatory Bodies
    • 8.1.1 The International Conference on Harmonisation of
    • Technical Requirements for Registration of
    • Pharmaceuticals for Human Use (Ich)
    • 8.1.2 The Major Regulatory Bodies of The World
    • European Agency for The Evaluation of Medicinal
    • Products (Emea)
    • US Food and Drug Administration (Fda)
    • The Japanese Ministry for Health, Labour and
    • Welfare (Mhlw)
    • 8.2 Regulatory Submissions
    • 8.2.1 Application to Conduct A Clinical Trial
    • Clinical Trial Application in The US (Ind)
    • and Europe (Cta)
    • 8.2.2 Changes to The European System for Application to
    • Conduct Clinical Trials
    • 8.2.4 The Investigator's Brochure (Ib)
    • 8.3 Regulatory Strategy
    • 8.3.1 Quality
    • 8.3.2 Preclinical Safety
    • 8.3.3 Linking IT All Together
    • 8.4 Application to Market A New Drug
    • 8.4.1 The European Licensing System
    • The Centralised Procedure
    • The Mutual Recognition Procedure
    • National Submissions
    • 8.4.2 The Common Technical Document
    • 8.4.3 Electronic Ctd Submissions (E-Ctd)
    • 8.4.4 Marketing Applications in The US
    • 8.4.5 Special Examples of Drug Approval Processes
    • Accelerated Approval
    • Orphan Drug Status
  • Chapter 9 Clinical Evaluation
    • 9.1 Introduction
    • 9.2 Definitions
    • 9.3 Clinical Trial Regulation
    • 9.3.1 Ethics Committee Approval
    • 9.3.2 The Clinical Team
    • 9.3.3 Required Documentation
    • 9.4 The Categories of Clinical Trials
    • 9.4.1 Characteristics of Phase I Trials
    • Adme Parameters
    • Blood Biochemistry
    • Dose Escalation, Single and Multiple Dose Studies
    • 9.4.2 Clinical Pharmacokinetics
    • Phase I Pk Monitoring
    • Human Microdosing
    • Pk Trials for Specific Purposes
    • The Elderly
    • Paediatrics
    • Interaction with Food
    • Bioequivalence Trials
    • Specific Population Groups
    • 9.5 Phase Ii Studies
    • 9.6 Phase Ii/Iii Go/Nogo
    • Reasons for A Project Nogo before Phase Iii
    • 9.7 Phase Iii
    • 9.7.1 Characteristics of Phase Iii Trials
    • 9.7.2 Example - Rimonabant in Phase Iii
    • 9.8 Pharmacoeconomics
    • 9.8.1 Trials with Pharmacoeconomic Endpoints
    • 9.8.2 Assessing Technological Advances
    • 9.8.3 The Basis of Nice Analyses
    • 9.9 Concluding Summary
  • Chapter 10 Postmarketing Surveillance (Pms)
    • 10.1 Introduction
    • 10.2 The Need for Pms
    • 10.3 Pharmacovigilance
    • 10.3.1 Drug Safety
    • 10.3.2 Risk/Benefit Assessment
    • Evaluating Risk
    • Evaluating Benefit
    • 10.4 The Mechanics of Pharmacovigilance
    • 10.4.1 Psurs
    • 10.4.2 Expedited Reports
    • 10.5 Risk Management
    • 10.6 Pharmacovigilance Specification
    • 10.6.1 Developmental Data
    • 10.6.2 Class Effects
    • 10.6.3 Drug Interactions
    • 10.6.4 Less Obvious Contingencies
    • 10.7 The Risk Management Plan
    • 10.7.1 Risk Management in Europe
    • 10.7.2 The Withdrawal of Vioxx
    • 10.7.3 Rimonabant
    • Specific Population Groups
    • 9.5 Phase Ii Studies
    • 9.6 Phase Ii/Iii Go/Nogo
    • Reasons for A Project Nogo before Phase Iii
    • 9.7 Phase Iii
    • 9.7.1 Characteristics of Phase Iii Trials
    • 9.7.2 Example - Rimonabant in Phase Iii
    • 9.8 Pharmacoeconomics
    • 9.8.1 Trials with Pharmacoeconomic Endpoints
    • 9.8.2 Assessing Technological Advances
    • 9.8.3 The Basis of Nice Analyses
    • 9.9 Concluding Summary
  • Chapter 10 Postmarketing Surveillance (Pms)
    • 10.1 Introduction
    • 10.2 The Need for Pms
    • 10.3 Pharmacovigilance
    • 10.3.1 Drug Safety
    • 10.3.2 Risk/Benefit Assessment
    • Evaluating Risk
    • Evaluating Benefit
    • 10.4 The Mechanics of Pharmacovigilance
    • 10.4.1 Psurs
    • 10.4.2 Expedited Reports
    • 10.5 Risk Management
    • 10.6 Pharmacovigilance Specification
    • 10.6.1 Developmental Data
    • 10.6.2 Class Effects
    • 10.6.3 Drug Interactions
    • 10.6.4 Less Obvious Contingencies
    • 10.7 The Risk Management Plan
    • 10.7.1 Risk Management in Europe
    • 10.7.2 The Withdrawal of Vioxx
    • 10.7.3 Rimonabant
  • List of Tables
    • Table 2.1 Units of Molarity in Decreasing Concentration
    • Table 2.2 Example of Structure/Activity Table for Hypothetical Molecule
    • Table 5.1 Example of Specification for Final Api
    • Figure 1.1 Amino Acid Structure Illustrating Amino Group and Carboxylic Acid by Which Peptide Bonds and Chains of Amino Acids Are Formed
    • Figure 1.2 A Sequence of Amino Acids Linked through Peptide Bonds to Form A Peptide (A Mini Protein)
    • Figure 1.3 The Structure of Myoglobin, A Muscle Protein Rich in Secondary Folding Characterised as A-Helices
    • Figure 1.4 Tertiary Folding of Protein Chains in An Imaginary Enzyme
    • Figure 1.5 The Main Steps of Protein Synthesis
    • Figure 1.6 The Essential Elements of DNA
    • Figure 1.7 Base Pairing, The Triplet Code and Protein Synthesis
    • Figure 1.8 Simplified Illustration of The Consequences of Insulin Receptor Activation
    • Figure 1.9 Principles of Serenex's Chemical Genomics Capability
    • Figure 1.10 Illustration of Cholesterol Synthesis and Control by Hmgcoar
    • Figure 1.11 Nervous Control of Heart Rate
    • Figure 1.12 The Generic Cell and Its Drug Targets
    • Figure 2.1 Structural Similarity between Serotonin and Sumatriptan
    • Figure 2.2 The Structures of Cholesterol and Lovastatin
    • Figure 2.3 Computer Model of Ligand - Protein Interaction
    • Figure 2.4 Charge Change on Amino Acid with Rising Ph
    • Figure 2.5 Illustration of Hydrogen Bond Formation between Water Molecules
    • Figure 2.6 Schematic of A Sample Receptor Binding Assay
    • Figure 2.7 Illustration of 96-Well Microtitre Plates, Variants of Which Are Used for Combinatorial Synthesis
    • Figure 2.8 Combinatorial Synthesis of Hypothetical Peptides
    • Figure 2.9 The Basic Components of Solid-Phase Combinatorial Chemistry
    • Figure 2.10 Representation of First Stages of A Solid-Phase Combinatorial Synthetic Plate
    • Figure 2.11 Simplified Network of Intracellular Enzyme Activation
    • Figure 2.12 Hypothetical Proteins and Their Active Sites
    • Figure 2.13 Illustration of Generation and Joining of Cohesive Ends of Two Sequences to Produce A New Sequence
    • Figure 2.14 Structure of An Antibody
    • Figure 2.15 Mechanism of Action of Herceptin
    • Figure 3.1 Safety Studies Likely to Be Included in Lead Generation and Optimisation
    • Figure 3.2 Possible Outcomes from The Ames Test
    • Figure 3.3 Illustration of The Barriers to Drug Absorption and Distribution
    • Figure 3.4 Intestinal Cells Grown to Confluence to Form A Barrier between Upper and Lower Chambers of Culture Wells
    • Figure 3.5 Illustrative Copy of Various Published Datasets Showing The Correlation between Human Absorption and Papp for A Series of Known Drugs
    • Figure 4.1 The Eternal Triangleefficacy, Safety and Dose Delivery
    • Figure 4.2 Schematic of The Metabolism of A Hypothetical Drug
    • Figure 4.3 Illustration of The Entero-Hepatic Shunt and Drug Recycling
    • Figure 4.4 Pharmacokinetic Trace of Hypothetical Orally Administered Drug
    • Figure 4.5 Pharmacokinetic Trace of Orally Administered Drug Set against Its in Vitro Potency
    • Figure 4.6 Comparative Pharmacokinetic Curves for Three Development Candidates
    • Figure 4.7 Pharmacokinetic Traces Obtained for A Drug following Oral and Iv Dosing
    • Figure 4.8 Relationship between Kr Channel Inhibition and Terfenadine Concentration
    • Figure 5.1 The Cdp as A Stimulus and Guide for Preclinical Development
    • Figure 5.2 Simplified Project Plan around The Time of Candidate Selection through to First in Man (Fim) Trials
    • Figure 5.3 Early Synthetic Route for Fluoxetine (Prozac)
    • Figure 5.4 Final Stage of Synthesis of Fluoxetine in Manufacturing Route
    • Figure 5.5 The Stages of Pharmaceutical Discovery and Development
    • Figure 5.6 Image of An Infusion Bag Prepared for Intravenous Administration
    • Figure 5.7 Schematic to Show Timing of Major Drug Safety Studies
    • Figure 5.8 Illustration of A Typical 28 Day Drug Safety Protocol
    • Figure 5.9 Example of Toxicokinetic Data Constructed from Blood Samples Taken on Days 1 and 28 of A Multiple Dose Safety Study
    • Figure 5.10 Comparison of Toxicokinetics in Rats and Dogs
    • Figure 5.11 Temporal Arrangement of Safety Studies during The First 3-4 Years of Development
    • Figure 5.12 Summary of The Three Aspects of Reproductive Toxicology
    • Figure 5.13 Sample Protocol for Efd Study in The Rat
    • Figure 5.14 Chromosomal Matching and Identification of Aberration in Cho Cells
    • Figure 5.15 Sigmoid - S-Shaped - Dose/Response Curve
    • Figure 5.16 Schematic to Show Potential Adme Fates of Absorbed Drugs
    • Figure 5.17 An Illustration of Plasma Protein Binding
    • Figure 5.18 Metabolic Map Containing A [14]C Label in A Metabolically Stable Position. Major Metabolites Can Now Be Tracked and Quantified through The Determination of Radioactive Emissions
    • Figure 5.19 Fundamental Principles of A Mass Balance Study Using A Radio-Labelled Drug Substance
    • Figure 5.20 Illustration of Hmg Coa Ri Drug Absorption through Gi Wall and Return in The Bile
    • Figure 5.21 The Eternal Triangle Revisited
    • Figure 6.1 Comparative Effects of An Nme and Budesonide for Their Ability to Induce Vasoconstriction in Human Forearm Skin
    • Figure 6.2 Graphs to Show Effects of Pde 4 Inhibitor upon Tnfa Generation and The Induction of Nausea
    • Figure 8.1 Comparison of US and UK Regulatory Procedures before May 2004
    • Figure 8.2 Four Levels of Application Recognised by The Emea to Market New Medical Products
    • Figure 8.3 Generic Format of The Common Technical Document
    • Figure 10.1 The Changing Emphasis of Drug Safety Responsibilities