# Basic Pharmacokinetics and Pharmacodynamics. an Integrated Textbook and Computer Simulations

## Rosenbaum, S.

Recíbelo en un plazo De 7 a 10 días

### ISBN-13: 9781119143154

### WILEY

Enero / 2017

2ª Edición

Inglés

576 pags

1000 gr

17 x 24 x cm

### Description

Updated with new chapters and topics, this book provides a comprehensive description of all essential topics in contemporary pharmacokinetics and pharmacodynamics. It also features interactive computer simulations for students to experiment and observe PK/PD models in action.

- Presents the essentials of pharmacokinetics and pharmacodynamics in a clear and progressive manner
- Helps students better appreciate important concepts and gain a greater understanding of the mechanism of action of drugs by reinforcing practical applications in both the book and the computer modules
- Features interactive computer simulations, available online through a companion website at: http://www.uri.edu/pharmacy/faculty/rosenbaum/basicmodels.html• Adds new chapters on physiologically based pharmacokinetic models, predicting drug-drug interactions, and pharmacogenetics while also strengthening original chapters to better prepare students for more advanced applications

**Reviews of the 1st edition**: “This is an ideal textbook for those starting out … and also for use as a reference book …." (International Society for the Study of Xenobiotics) and “I could recommend Rosenbaum’s book for pharmacology studentsbecause it is written from a perspective of drug action . . . Overall, this is a well-written introduction to PK/PD …. “ (British Toxicology Society Newsletter)

### Contents

Preface xix

Contributors xxi

**1 Introduction to Pharmacokinetics and Pharmacodynamics 1***Sara E. Rosenbaum*

1.1 Introduction: Drugs and Doses, 2

1.2 Introduction to Pharmacodynamics, 3

1.3 Introduction to Pharmacokinetics, 9

1.4 Dose–Response Relationships, 12

1.5 Therapeutic Range, 14

1.6 Summary, 18

Reference, 18

**2 Passage of Drugs Through Membranes 19***Sara E. Rosenbaum*

2.1 Introduction, 20

2.2 Structure and Properties of Membranes, 20

2.3 Passive Diffusion, 21

2.4 Carrier-Mediated Processes: Transport Proteins, 26

References, 33

**3 Drug Administration and Drug Absorption 35***Steven C. Sutton*

3.1 Introduction: Local and Systemic Drug Administration, 36

3.2 Routes of Drug Administration, 37

3.3 Overview of Oral Absorption, 41

3.4 Extent of Drug Absorption, 44

3.5 Determinants of the Fraction of the Dose Absorbed (F), 46

3.6 Factors Controlling the Rate of Drug Absorption, 61

3.7 Biopharmaceutics Classification System, 64

3.8 Food Effects, 65

Problems, 66

References, 67

**4 Drug Distribution 71***Sara E. Rosenbaum*

4.1 Introduction, 72

4.2 Extent of Drug Distribution, 72

4.3 Rate of Drug Distribution, 89

4.4 Distribution of Drugs to the Central Nervous System, 93

Problems, 96

References, 98

**5 Drug Elimination and Clearance 99***Sara E. Rosenbaum*

5.1 Introduction, 100

5.2 Clearance, 102

5.3 Renal Clearance, 108

5.4 Hepatic Elimination and Clearance, 119

Problems, 139

References, 142

**6 Compartmental Models in Pharmacokinetics 145***Sara E. Rosenbaum*

6.1 Introduction, 146

6.2 Expressions for Component Parts of the Dose–Plasma Concentration Relationship, 146

6.3 Putting Everything Together: Compartments and Models, 149

6.4 Examples of Complete Compartment Models, 152

6.5 Use of Compartmental Models to Study Metabolite Pharmacokinetics, 155

6.6 Selecting and Applying Models, 156

Problems, 157

Suggested Readings, 157

**7 Pharmacokinetics of an Intravenous Bolus Injection in a One-Compartment Model 159***Sara E. Rosenbaum*

7.1 Introduction, 160

7.2 One-Compartment Model, 160

7.3 Pharmacokinetic Equations, 162

7.4 Simulation Exercise, 163

7.5 Application of the Model, 165

7.6 Determination of Pharmacokinetic Parameters Experimentally, 168

7.7 Pharmacokinetic Analysis in Clinical Practice, 173

Problems, 174

Suggested Reading, 176

**8 Pharmacokinetics of an Intravenous Bolus Injection in a Two-Compartment Model 177***Sara E. Rosenbaum*

8.1 Introduction, 178

8.2 Tissue and Compartmental Distribution of a Drug, 179

8.3 Basic Equation, 181

8.4 Relationship Between Macro and Micro Rate Constants, 183

8.5 Primary Pharmacokinetic Parameters, 183

8.6 Simulation Exercise, 188

8.7 Determination of the Pharmacokinetic Parameters of the Two-Compartment Model, 191

8.8 Clinical Application of the Two-Compartment Model, 194

Problems, 197

Suggested Readings, 199

**9 Pharmacokinetics of Extravascular Drug Administration 201***Dr. Steven C. Sutton*

9.1 Introduction, 202

9.2 First-Order Absorption in a One-Compartment Model, 203

9.3 Modified Release and Gastric Retention Formulations, 214

9.4 Bioavailability, 215

9.5 In Vitro-In Vivo Correlation, 219

9.6 Simulation Exercise, 222

Problems, 223

References, 224

**10 Introduction to Noncompartmental Analysis 225***Sara E. Rosenbaum*

10.1 Introduction, 225

10.2 Mean Residence Time, 226

10.3 Determination of Other Important Pharmacokinetic Parameters, 229

10.4 Different Routes of Administration, 231

10.5 Application of Noncompartmental Analysis to Clinical Studies, 232

Problems, 234

**11 Pharmacokinetics of Intravenous Infusion in a One-Compartment Model 237***Sara E. Rosenbaum*

11.1 Introduction, 238

11.2 Model and Equations, 239

11.3 Steady-State Plasma Concentration, 242

11.4 Loading Dose, 246

11.5 Termination of Infusion, 248

11.6 Individualization of Dosing Regimens, 249

Problems, 252

**12 Multiple Intravenous Bolus Injections in the One-Compartment Model 255***Sara E. Rosenbaum*

12.1 Introduction, 256

12.2 Terms and Symbols Used in Multiple-Dosing Equations, 257

12.3 Monoexponential Decay During a Dosing Interval, 259

12.4 Basic Pharmacokinetic Equations for Multiple Doses, 260

12.5 Steady State, 262

12.6 Basic Formula Revisited, 270

12.7 Pharmacokinetic-Guided Dosing Regimen Design, 270

12.8 Simulation Exercise, 276

Problems, 277

Reference, 278

**13 Multiple Intermittent Infusions 279***Sara E. Rosenbaum*

13.1 Introduction, 279

13.2 Steady-State Equations for Multiple Intermittent Infusions, 281

13.3 Monoexponential Decay During a Dosing Interval: Determination of Peaks, Troughs, and Elimination Half-Life, 284

13.4 Determination of the Volume of Distribution, 286

13.5 Individualization of Dosing Regimens, 289

13.6 Simulation, 289

Problems, 290

**14 Multiple Oral Doses 293***Sara E. Rosenbaum*

14.1 Introduction, 293

14.2 Steady-State Equations, 294

14.3 Equations Used Clinically to Individualize Oral Doses, 298

14.4 Simulation Exercise, 300

References, 301

**15 Nonlinear Pharmacokinetics 303***Sara E. Rosenbaum*

15.1 Linear Pharmacokinetics, 304

15.2 Nonlinear Processes in Absorption, Distribution, Metabolism, and Elimination, 306

15.3 Pharmacokinetics of Capacity-Limited Metabolism, 307

15.4 Phenytoin, 310

Problems, 321

References, 322

**16 Introduction to Pharmacogenetics 323***Dr. Daniel Brazeau*

16.1 Introduction, 324

16.2 Genetics Primer, 324

16.3 Pharmacogenetics, 328

16.4 Genetics and Pharmacodynamics, 334

16.5 Summary, 335

Reference, 335

Suggested Readings, 335

**17 Models Used to Predict Drug–Drug Interactions for Orally Administered Drugs 337***Sara E. Rosenbaum*

17.1 Introduction, 338

17.2 Mathematical Models for Inhibitors and Inducers of Drug Metabolism Based on In Vitro Data, 340

17.3 Surrogate In Vivo Values for the Unbound Concentration of the Perpetrator at the Site of Action, 345

17.4 Models Used to Predict DDIs In Vivo, 347

17.5 Predictive Models for Transporter-Based DDIs, 359

17.6 Application of Physiologically Based Pharmacokinetic Models to DDI Prediction: The Dynamic Approach, 362

17.7 Conclusion, 362

Problems, 363

References, 364

**18 Introduction to Physiologically Based Pharmacokinetic Modeling 367***Sara E. Rosenbaum*

18.1 Introduction, 368

18.2 Components of PBPK Models, 369

18.3 Equations for PBPK Models, 369

18.4 Building a PBPK Model, 373

18.5 Simulations, 377

18.6 Estimation of Human Drug-Specific Parameters, 378

18.7 More Detailed PBPK Models, 381

18.8 Application of PBPK Models, 387

References, 388

**19 Introduction to Pharmacodynamic Models and Integrated Pharmacokinetic–Pharmacodynamic Models 391***Drs**. Diane Mould and Paul Hutson*

19.1 Introduction, 392

19.2 Classic Pharmacodynamic Models Based on Receptor Theory, 393

19.3 Direct Effect Pharmacodynamic Models, 402

19.4 Integrated PK–PD Models: Intravenous Bolus Injection in the One-Compartment Mode and the Sigmoidal Emax Model, 406

19.5 Pharmacodynamic Drug–Drug Interactions, 410

Problems, 411

References, 412

**20 Semimechanistic Pharmacokinetic–Pharmacodynamic Models 413***Drs**. Diane Mould and Paul Hutson*

20.1 Introduction, 414

20.2 Hysteresis and the Effect Compartment, 416

20.3 Physiological Turnover Models and Their Characteristics, 419

20.4 Indirect Effect Models, 422

20.5 Other Indirect Effect Models, 432

20.6 Models of Tolerance, 442

20.7 Irreversible Drug Effects, 450

20.8 Disease Progression Models, 452

Problems, 459

References, 465

**Appendix**** A Review of Exponents and Logarithms 469**

*Sara E. Rosenbaum*

A.1 Exponents, 469

A.2 Logarithms: Log and Ln, 470

A.3 Performing Calculations in the Logarithmic Domain, 471

A.4 Calculations Using Exponential Expressions and Logarithms, 472

A.5 Decay Function: e−kt, 474

A.6 Growth Function: 1 − e−kt, 475

A.7 Decay Function in Pharmacokinetics, 475

Problems, 476

**Appendix**** B Rates of Processes 479***Sara E. Rosenbaum*

B.1 Introduction, 479

B.2 Order of a Rate Process, 480

B.3 Zero-Order Processes, 480

B.4 First-Order Processes, 482

B.5 Comparison of Zero- and First-Order Processes, 484

B.6 Detailed Example of First-Order Decay in Pharmacokinetics, 484

B.7 Examples of the Application of First-Order Kinetics to Pharmacokinetics, 487

**Appendix**** C Creation of Excel Worksheets for Pharmacokinetic Analysis 489***Sara E. Rosenbaum*

C.1 Measurement of AUC and Clearance, 489

C.2 Analysis of Data from an Intravenous Bolus Injection in a One-Compartment Model, 494

C.3 Analysis of Data from an Intravenous Bolus Injection in a Two-Compartment Model, 496

C.4 Analysis of Oral Data in a One-Compartment Model, 498

C.5 Noncompartmental Analysis of Oral Data, 501

**Appendix**** D Derivation of Equations for Multiple Intravenous Bolus Injections 505***Sara E. Rosenbaum*

D.1 Assumptions, 505

D.2 Basic Equation for Plasma Concentration After Multiple Intravenous Bolus Injections, 505

D.3 Steady-State Equations, 508

**Appendix**** E Enzyme Kinetics: Michaelis–Menten Equation and Models for Inhibitors and Inducers of Drug Metabolism 509***Sara E. Rosenbaum and Roberta S. King*

E.1 Kinetics of Drug Metabolism: The Michaelis–Menten Model, 510

E.2 Effect of Perpetrators of DDI on Enzyme Kinetics and Intrinsic Clearance, 515

References, 526

**Appendix**** F Summary of the Properties of the Fictitious Drugs Used in the Text 527***Sara E. Rosenbaum*

**Appendix**** G Computer Simulation Models 529***Sara E. Rosenbaum*

Glossary of Terms 531

Index 537

**Author**** Information**

**Sara E. Rosenbaum, PhD,** is Professor of Biomedical and Pharmaceutical Sciences at the University of Rhode Island, where she teaches courses in pharmacokinetics and pharmacodynamics. Her research interests concentrate on thedevelopment and application of pharmacokinetic and pharmacodynamic models to better understand the drug dose-response relationship.

**Tel**003491 593 99 99

**Fax**003491 448 21 88

**Dir**C / Raimundo Lulio, 1, 28010 Madrid.

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