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Summary
Summary
The pharmaceutical industry is under increasing pressure to do more with less . Drug discovery, development, and clinical trial costs remain high and are subject to rampant inflation. Ever greater regulatory compliance forces manufacturing costs to rise despite social demands for more affordable health care. Traditional methodologies are failing and the industry needs to find new and innovative approaches for everything it does.
Six Sigma in the Pharmaceutical Industry: Understanding, Reducing, and Controlling Variation in Pharmaceuticals and Biologics is the first book to focus on the building blocks of understanding and reducing variation using the Six Sigma method as applied specifically to the pharmaceutical industry. It introduces the fundamentals of Six Sigma, examines control chart theory and practice, and explains the concept of variation management and reduction. Describing the approaches and techniques responsible for their own significant success, the authors provide more than just a set of tools, but the basis of a complete operating philosophy. Allowing other references to cover the structural elements of Six Sigma, this book focuses on core concepts and their implementation to improve the existing products and processes in the pharmaceutical industry. The first half of the book uses simple models and descriptions of practical experiments to lay out a conceptual framework for understanding variation, while the second half introduces control chart theory and practice. Using case studies and statistics, the book illustrates the concepts and explains their application to actual workplace improvements.
Designed primarily for the pharmaceutical industry, Six Sigma in the Pharmaceutical Industry: Understanding, Reducing, and Controlling Variation in Pharmaceuticals and Biologics provides the fundamentals of variation management and reduction in sufficient detail to assist in transforming established methodologies into new and efficient techniques.
Table of Contents
Preface | p. xiii |
The Authors | p. xv |
Chapter 1 The Enormous Initial Mistake | p. 1 |
Why? | p. 3 |
The Ultimate Curse | p. 5 |
A Metamorphosis Is Possible | p. 6 |
The Enormous Initial Mistake | p. 6 |
One Point Learning | p. 7 |
References | p. 7 |
Chapter 2 The Origins of Six Sigma | p. 9 |
Genesis | p. 9 |
Understanding and Reducing Variation | p. 10 |
From Where Does the Term Six Sigma Spring? | p. 10 |
Early Six Sigma Companies | p. 11 |
Genesis - The Motorola Experience | p. 11 |
The Awakening at Motorola | p. 12 |
Stirrings at Ford | p. 14 |
Further Illustration - Vial Capping Issues | p. 16 |
Understanding the Sigma Level | p. 17 |
Gaining Greatest Leverage | p. 19 |
The Sniper Rifle Element | p. 19 |
Lessons from Little's Law | p. 19 |
Design | p. 20 |
Summary | p. 21 |
Some Structural Elements of Six Sigma | p. 21 |
A Business Strategy | p. 21 |
Conclusion | p. 24 |
One Point Learning | p. 24 |
References | p. 25 |
Chapter 3 Evolution | p. 27 |
In the Beginning | p. 27 |
The Advent of Mass Production | p. 27 |
Illustrating Variation | p. 30 |
The Frequency Distribution | p. 30 |
Case Study - Chromatography Yields | p. 32 |
Truncated Distributions | p. 34 |
The Normal Distribution | p. 34 |
Time Ordered Distributions | p. 36 |
One Point Learning | p. 38 |
References | p. 38 |
Chapter 4 Revolution | p. 39 |
Is This Understanding Important? | p. 41 |
Stabilize First! | p. 41 |
...Then Improve the Process | p. 42 |
The First Principle | p. 42 |
Deming Polishes the Diamond | p. 42 |
Deming's First Opportunity | p. 43 |
Deming's Second Opportunity | p. 43 |
The Deming Approach | p. 43 |
Limits to Knowledge | p. 45 |
One Point Learning | p. 45 |
References | p. 45 |
Chapter 5 Paradox | p. 47 |
How Do You Know? | p. 50 |
Improving the Analysis | p. 51 |
Detecting Instability Using Control Charts | p. 53 |
Chemical Example from the Pharmaceutical Industry | p. 54 |
Biological Example from the Pharmaceutical Industry | p. 55 |
Compliance Example from the Pharmaceutical Industry | p. 56 |
The Attributes of a Binary Mindset | p. 57 |
One Point Learning | p. 57 |
References | p. 57 |
Chapter 6 Action and Reaction | p. 59 |
The Nelson Funnel (or Pen Dropping) Experiment | p. 59 |
Rule 4 | p. 59 |
A Pharmaceutical Example of Rule 4 | p. 61 |
Rule 3 | p. 61 |
A Pharmaceutical Example of Rule 3 | p. 61 |
Rule 2 | p. 63 |
A Pharmaceutical Example of Rule 2 | p. 64 |
Rule 1 | p. 65 |
Results of the Exercise | p. 66 |
Service Elements of the Pharmaceutical Industry | p. 67 |
One Point Learning | p. 68 |
References | p. 68 |
Chapter 7 Close Enough; ... Or On Target? | p. 69 |
One Point Learning | p. 73 |
References | p. 73 |
Chapter 8 Make More...Faster! | p. 75 |
The Dice Experiment | p. 75 |
Little's Law | p. 77 |
Quality Control Considerations | p. 80 |
Six Sigma and First Pass Yield | p. 80 |
Pharmaceutical Case Study - Increasing Output | p. 81 |
One Point Learning | p. 82 |
References | p. 82 |
Chapter 9 Case Studies | p. 83 |
Biological Case Study - Fermentation | p. 83 |
Introduction | p. 83 |
Approach | p. 83 |
Results | p. 85 |
Parenterals Operation Case Study | p. 85 |
Introduction | p. 85 |
Creasing of Metal Caps | p. 86 |
Close-Coupled Machines | p. 87 |
Safety Case Study | p. 88 |
Introduction | p. 88 |
Lessons Learned | p. 88 |
Improved Control of Potency | p. 89 |
Introduction | p. 89 |
Initial Analysis | p. 89 |
Addressing the Problems | p. 91 |
Phase 1 of Improvements | p. 91 |
Phase 2 of Improvements | p. 91 |
Deviations in a Pharmaceutical Plant | p. 92 |
Chapter 10 The Camera Always Lies | p. 93 |
In God We Trust | p. 94 |
How Exact Is Exact? | p. 95 |
Giving Data Meaning | p. 96 |
Service Industries | p. 97 |
One Point Learning | p. 98 |
References | p. 98 |
Chapter 11 Keeping It Simple | p. 99 |
Time - The First Imperative | p. 99 |
Pattern and Shape | p. 99 |
The DTLF (Darn That Looks Funny) Approach | p. 102 |
References | p. 104 |
Chapter 12 Why Use Control Charts? | p. 105 |
Why Use Control Charts? | p. 105 |
Types of Data | p. 105 |
Advantages of Control Charts | p. 106 |
Developing Control Limits | p. 107 |
One Point Learning | p. 109 |
References | p. 109 |
Chapter 13 Average and Range Control Charts | p. 111 |
Constructing an Average and Range Control Chart | p. 111 |
How the Formulae Work | p. 115 |
Why the Chart Works | p. 118 |
Sub-Group Integrity | p. 119 |
Special Causes | p. 119 |
Process Changes or Adjustments | p. 119 |
Duplicate and Triplicate Sampling | p. 121 |
Instantaneous Sampling | p. 121 |
Serial Sampling | p. 121 |
Serial Sampling - Loss of Sub-Group Integrity and Over-Control | p. 122 |
References | p. 123 |
Chapter 14 Origins and Theory | p. 125 |
Developing Control Limits | p. 127 |
Making the Control Chart | p. 127 |
Control Limits Vary with Sub-Group Size | p. 128 |
Specifications and Control Limits | p. 129 |
Why Use Averages? | p. 130 |
Normalization of Sample Averages | p. 130 |
Sensitivity to Drifts in the Process Mean | p. 130 |
Detection of Over-Control | p. 130 |
Interpreting the Charts | p. 131 |
Tests for Stability | p. 133 |
Guidelines for Investigation | p. 133 |
The Final Word | p. 134 |
References | p. 135 |
Appendix A Origins of the Formulae | p. 137 |
Chapter 15 Charts for Individuals | p. 141 |
Constructing the Charts | p. 141 |
Interpreting Individual Point and Moving Range Charts | p. 143 |
Summary | p. 146 |
Stratification | p. 146 |
Pattern and Shape | p. 147 |
Periodicity | p. 149 |
Reference | p. 149 |
Chapter 16 Practical Considerations | p. 151 |
What Do the Statistics Mean? | p. 151 |
Rational Sub-Groups | p. 152 |
The Blessing of Chaos | p. 153 |
Stabilizing a Process | p. 153 |
The Brute Force Approach | p. 153 |
Procedure - The Brute Force Approach | p. 154 |
Case Study | p. 155 |
Causal Relationships | p. 155 |
Process Control | p. 156 |
Eliminate Waste | p. 158 |
What to Measure and Plot | p. 160 |
References | p. 161 |
Appendix A Example Operational Directive | p. 163 |
Chapter 17 Improving Laboratories | p. 167 |
Production Lines are the Laboratory's Customers | p. 167 |
Types of Methods | p. 167 |
Variability Estimates | p. 168 |
Understanding Capability | p. 168 |
Accuracy vs. Precision | p. 169 |
Use of Validation Data to Determine Laboratory Precision | p. 170 |
Use of Stability Data | p. 171 |
Pharmaceutical Case Study - Laboratory Precision as Determined by Stability Data | p. 171 |
Use of Controls | p. 172 |
Pharmaceutical Case Study - Laboratory Precision as Determined by Control Data | p. 172 |
Implementing Controls | p. 173 |
Blind Controls | p. 174 |
Pharmaceutical Case Study - Blind Control Study | p. 174 |
Reducing Variability - More Is Not Always Better | p. 176 |
Pharmaceutical Examples | p. 176 |
Pharmaceutical Case Study - Reduction of Variability | p. 177 |
If Standards Are Met, Why Bother Reducing Variation? | p. 179 |
One Point Learning | p. 179 |
References | p. 179 |
Appendix A Implementing a Laboratory Variability Reduction Project | p. 181 |
Appendix B Implementing a Blind Control Study | p. 183 |
Chapter 18 Beyond Compliance | p. 185 |
We Have Met the Enemy, and He Is Us | p. 189 |
Appendix 1 Factors for Estimating [sigma] from R and [sigma] | p. 191 |
Appendix 2 Factors for x and R Control Charts | p. 193 |
Appendix 3 Factors for x and [sigma] Control Charts | p. 195 |
Index | p. 197 |