Peptide drug research and development

At present, more than 80 kinds of polypeptide drugs have been approved and marketed worldwide. The number of drugs is mainly distributed in tumors, diabetes, infections, immunity, cardiovascular, urinary and so on. Initially, before the 1970s, less than one polypeptide drug entered clinical trials annually; in the 1970s, only one polypeptide drug entered clinical trials annually; in the 1980s and 1990s, about 5 and 10 polypeptide drugs entered clinical trials annually; in the first 10 years of the 21st century, the number of polypeptide drugs entered clinical trials was about 5 and 10 respectively. The average annual increase is about 17.