Pharmaceutical biotechnology is an expanding field of science and technology which aims to design new therapeutic drugs, diagnose medical irregularities, etc. based on the tools and techniques of biotechnology. The objective of this book is to give a general view of the different areas of pharmaceutical biotechnology, and its applications. It strives to provide a fair idea about this discipline and to help develop a better understanding of the latest advances within tissue culture, bioengineering, drug design and development. While understanding the long-term perspectives of the topics like clinical trials and recombinant DNA technology, the book makes an effort in highlighting their significance as a modern tool for the growth of the discipline. The book is appropriate for students seeking detailed information in this area as well as for experts, and professionals engaged in this field.