Table of Contents
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Preface to the Second Edition |
xiii |
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Preface to the First Edition |
xvii |
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Acknowledgements |
xxi |
1 |
Introduction |
1 |
1.1 |
Drug Development |
1 |
1.2 |
The Role of Statistics in Drug Development |
2 |
1.3 |
The Object of this Book |
3 |
1.4 |
The Author’s Knowledge of Statistics in Drug Development |
4 |
1.5 |
The Reader and His or Her Knowledge of Statistics |
4 |
1.6 |
How to Use the Book |
5 |
|
References |
6 |
PART 1 |
FOUR VIEWS OF STATISTICS
IN DRUG DEVELOPMENT: HISTORICAL, METHODOLOGICAL, TECHNICAL AND PROFESSIONAL |
9 |
2 |
A Brief and Superficial History of Statistics for
Drug Developers |
11 |
2.1 |
Introduction |
11 |
2.2 |
Early Probabilists |
12 |
2.3 |
James Bernoulli (1654-1705) |
13 |
2.4 |
John Arbuthnott (1667-1753) |
14 |
2.5 |
The Mathematics of Probability in the Late 17th,
the 18th and Early 19th Centuries |
14 |
2.6 |
Thomas Bayes (1701-1761) |
15 |
2.7 |
Adolphe Quetelet
(1796-1874) |
16 |
2.8 |
Francis Galton (1822-1911) |
16 |
2.9 |
Karl Pearson (1857-1936) |
17 |
2.10 |
‘Student’ (1876-1937) |
17 |
2.11 |
R.A. Fisher (1890-1962) |
17 |
2.12 |
Modern Mathematical Statistics |
18 |
2.13 |
Medical Statistics |
19 |
2.14 |
Statistics in Clinical Trials Today |
20 |
2.15 |
The Current Debate |
21 |
2.16 |
A Living Science |
21 |
2.17 |
Further |
23 |
|
References |
23 |
3 |
Design and Interpretation of Clinical Trials as
Seen by a Statistician |
27 |
3.1 |
Prefatory Warning |
27 |
3.2 |
Introduction |
27 |
3.3 |
Defining Effects |
28 |
3.4 |
Practical Problems in Using the Counterfactual Argument |
28 |
3.5 |
Regression to the Mean |
29 |
3.6 |
Control in Clinical Trials |
33 |
3.7 |
Randomization |
34 |
3.8 |
Blinding |
36 |
3.9 |
Using Concomitant Observations |
37 |
3.10 |
Measuring Treatment Effects |
38 |
3.11 |
Data Generation Models |
39 |
3.12 |
In Conclusion |
41 |
3.13 |
Further |
41 |
|
References |
41 |
4 |
Probability, Bayes, P-Values,
Tests of Hypotheses and Confidence Intervals |
43 |
4.1 |
Introduction |
43 |
4.2 |
An Example |
44 |
4.3 |
Odds and Sods |
44 |
4.4 |
The Bayesian Solution to the Example |
45 |
4.5 |
Why Don’t We Regularly Use the Bayesian Approach in
Clinical Trials? |
46 |
4.6 |
A Frequentist Approach |
47 |
4.7 |
Hypothesis Testing in Controlled Clinical Trials |
48 |
4.8 |
Significance Tests and P-Values |
49 |
4.9 |
Confidence Intervals and Limits and Credible Intervals |
50 |
4.10 |
Some Bayesian Criticism of the Frequentist
Approach |
51 |
4.11 |
Decision Theory |
51 |
4.12 |
Conclusion |
52 |
4.13 |
Further |
52 |
|
References |
53 |
5 |
The Work of the Pharmaceutical Statistician |
55 |
5.1 |
Prefatory Remarks |
55 |
5.2 |
Introduction |
56 |
5.3 |
In the Beginning |
57 |
5.4 |
The Trial Protocol |
57 |
5.5 |
The Statistician’s Role in Planning the Protocol |
58 |
5.6 |
Sample Size Determination |
59 |
5.7 |
Other Important Design Issues |
60 |
5.8 |
Randomization |
60 |
5.9 |
Data Collection Preview |
61 |
5.10 |
Performing the Trial |
61 |
5.11 |
Data Analysis Preview |
61 |
5.12 |
Analysis and Reporting |
62 |
5.13 |
Other Activities |
63 |
5.14 |
Statistical Research |
63 |
5.15 |
Further |
64 |
|
References |
65 |
PART 2 |
STATISTICAL
ISSUES: DEBATABLE AND CONTROVERSIAL TOPICS IN DRUG DEVELOPMENT |
67 |
6 |
Allocating Treatments to Patients in Clinical
Trials |
69 |
6.1 |
Background |
69 |
6.2 |
Issues |
71 |
|
References |
87 |
6.A |
Technical Appendix |
88 |
7 |
Baselines and Covariate Information |
95 |
7.1 |
Background |
95 |
7.2 |
Issues |
98 |
|
References |
108 |
7.A |
Technical Appendix |
109 |
8 |
The Measurement of Treatment Effects |
113 |
8.1 |
Background |
113 |
8.2 |
Issues |
114 |
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References |
129 |
8.A |
Technical Appendix |
130 |
9 |
Demographic Subgroups: Representation and Analysis |
133 |
9.1 |
Background |
133 |
9.2 |
Issues |
134 |
|
References |
144 |
9.A |
Technical Appendix |
145 |
10 |
Multiplicity |
149 |
10.1 |
Background |
149 |
10.2 |
Issues |
150 |
|
References |
161 |
10.A |
Technical Appendix |
162 |
11 |
Intention to Treat, Missing Data and Related
Matters |
165 |
11.1 |
Background |
165 |
11.2 |
Issues |
167 |
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References |
178 |
11.A |
Technical Appendix |
180 |
12 |
One-Sided and Two-Sided Tests and Other Issues to
Do with Significance and P-Values |
183 |
12.1 |
Background |
183 |
12.2 |
Issues |
184 |
|
References |
192 |
13 |
Determining the Sample Size |
195 |
13.1 |
Background |
195 |
13.2 |
Issues |
198 |
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References |
211 |
14 |
Multicentre Trials |
213 |
14.1 |
Background |
213 |
14.2 |
Issues |
213 |
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References |
230 |
14.A |
Technical Appendix |
231 |
15 |
Active Control Equivalence Studies |
235 |
15.1 |
Background |
235 |
15.2 |
Issues |
237 |
|
References |
247 |
15.A |
Technical Appendix |
249 |
16 |
Meta-Analysis |
251 |
16.1 |
Background |
251 |
16.2 |
Issues |
253 |
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References |
268 |
16.A |
Technical Appendix |
270 |
17 |
Cross-Over Trials |
273 |
17.1 |
Background |
273 |
17.2 |
Issues |
275 |
|
References |
284 |
18 |
n-of-1 Trials |
287 |
18.1 |
Background |
287 |
18.2 |
Issues |
289 |
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References |
293 |
19 |
Sequential Trials |
295 |
19.1 |
Background |
295 |
19.2 |
Issues |
302 |
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References |
313 |
20 |
Dose-Finding |
317 |
20.1 |
Background |
317 |
20.2 |
Issues |
319 |
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References |
334 |
21 |
Concerning Pharmacokinetics and Pharmacodynamics |
337 |
21.1 |
Background |
337 |
21.2 |
Issues |
343 |
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References |
358 |
22 |
Bioequivalence Studies |
361 |
22.1 |
Background |
361 |
22.2 |
Issues |
362 |
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References |
379 |
23 |
Safety Data, Harms, Drug Monitoring and Pharmaco-Epidemiology |
383 |
23.1 |
Background |
383 |
23.2 |
Issues |
388 |
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References |
403 |
24 |
Pharmaco-Economics and Portfolio
Management |
405 |
24.1 |
Background |
405 |
24.2 |
Issues |
407 |
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References |
429 |
25 |
Concerning Pharmacogenetics, Pharmacogenomics
and Related Matters |
433 |
25.1 |
Background |
433 |
25.2 |
Issues |
437 |
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References |
450 |
25.A |
Technical Appendix |
451 |
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Glossary |
453 |
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Index |
483 |
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