Nagashree Kotturi,Phani Kotturi
Drug discovery and development initiates with identification of lead molecules targeted for a treating a particular disease. The identified lead compound which is termed a new chemical entity is subjected todrug development process. Drug development process involves different stages like
1) Pre-Clinical Testing
2) Phase I Clinical Trials
3) Phase II Clinical Trials
4) Phase III Clinical Trials
5) New Drug Application (NDA) / Biologics License Application (BLA)
6) Phase IV or post marketing surveillance.