Pharmaceutical biotechnology is the application of biotechnology principles to develop drugs. It aims to design drugs tailored to an individual's genetics for maximum therapeutic effect. Key applications include recombinant DNA vaccines, drugs, and proteins. Advantages include pharmacogenomics to customize medicine based on genetics. Recombinant DNA and monoclonal antibodies also provide opportunities for new drug development and delivery approaches. Common biotechnology products are antibodies, proteins, and recombinant DNA products. Therapeutic uses include detecting and treating genetic diseases, cancer, AIDS, and autoimmune diseases.