Antiviral drug history


As of December 2015, 87 antiviral drugs have been approved for clinical use. Please click the following picture for the information of individual drugs.



Mechanisms of drug action


Here, we share the movies to show how antiviral drugs bind to their protein targets. 13 movies are shown for visualizing the mechanisms of drug actions.See quick selections on left side bar.

If your computer is too slow to open this page, please click websites below.


  • Lopinavir

    • Name: Lopinavir

    • Approved date: September 2000

    • Drug action: It targets the cleavage site of HIV-1 protease to inhibit viral maturation.

    • Pubchem source: 92727

    • Drug bank source: DB01601

    • PDB structure source: 2Q5K



  • Nevirapine

    • Name: Nevirapine

    • Approved date: June 1996

    • Drug action: It binds directly to HIV RT and inhibits DNA synthesis.

    • Pubchem source: 4463

    • Drug bank source: DB00238

    • PDB structure source: 4PUO



  • Tenofovir

    • Name: Tenofovir

    • Approved date: October 2001

    • Drug action: Tenofovir diphosphate competes with dATP to inhibit the activity of HIV-1 reverse transcriptase.

    • Pubchem source: 6398764

    • Drug bank source: DB00300

    • PDB structure source: 1T03



  • Maraviroc

    • Name: Maraviroc

    • Approved date: August 2007

    • Drug action: It targets the host coreceptor CCR5 to prevent HIV viral entry.

    • Pubchem source: 3002977

    • Drug bank source: DB04835

    • PDB structure source: 4MBS



  • Foscarnet

    • Name: Foscarnet

    • Approved date: May 2005

    • Drug action: It inhibits the activity of viral DNA polymerase.

    • Pubchem source: 3415

    • Drug bank source: DB00529

    • PDB structure source: 3KD1



  • Sofosbuvir

    • Name: Sofosbuvir

    • Approved date: December 2013

    • Drug action: It binds to two Mg2+ ions in HCV NS5B polymerase and inhibits RNA replication.

    • Pubchem source: 45375808

    • Drug bank source: DB08934

    • PDB structure source: 4WTG



  • Simeprevir

    • Name: Simeprevir

    • Approved date: November 2013

    • Drug action: It inhibits the proteolytic activity of HCV NS3/4A protease.

    • Pubchem source: 24873435

    • Drug bank source: DB06290

    • PDB structure source: 3KEE



  • Amantadine

    • Name: Amantadine

    • Approved date: October 1966

    • Drug action: It targets viral matrix protein 2 to inhibit viral uncoating inside host cells.

    • Pubchem source: 2130

    • Drug bank source: DB00915

    • PDB structure source: 2KAD



  • Laninamivir

    • Name: Laninamivir

    • Approved date: December 2013

    • Drug action: It targets viral neuraminidase to inhibit viral release from host cells.

    • Pubchem source: 9847629

    • Drug bank source: DB02425

    • PDB structure source: 3TIB



  • Zanamivir

    • Name: Zanamivir

    • Approved date: July 1993

    • Drug action: It targets viral neuraminidase to inhibit viral release from host cells.

    • Pubchem source: 60855

    • Drug bank source: DB00558

    • PDB structure source: 2HTQ



  • Acyclovir

    • Name: Acyclovir

    • Approved date: January 1985

    • Drug action: It targets viral DNA polymerase to inhibit viral DNA synthesis.

    • Pubchem source: 3415

    • Drug bank source: DB00529

    • PDB structure source: 3KD1



  • Brivudine

    • Name: Brivudine

    • Approved date: 2000

    • Drug action: Brivudine triphosphate targets VZV DNA polymerase to inhibit viral DNA synthesis.

    • Pubchem source: 446727

    • Drug bank source:

    • PDB structure source: 1OSN



  • Idoxuridine

    • Name: Idoxuridine

    • Approved date: June 1963

    • Drug action: Idoxuridine substitutes thymidine and targets HSV DNA polymerase to inhibit viral DNA synthesis

    • Pubchem source: 5905

    • Drug bank source: DB00249

    • PDB structure source: 1KI7



Our team


M.D. Ph.D. Erik De Clercq

Erik De Clercq is a known physician, scientist, professor and drug developer for five decades. His landmark discoveries in anti-HIV medications include nucleotide analogues (e.g. Tenofovir), and inventions or co-inventions of several approved drugs for anti-viral therapies. Since 1967, he has published more than 2000 SCI articles. His research interests focus on many known viruses such as HIV, HCV, HBV, EBOV, poxvirus and herpesvirus.

My curriculum vitae (CV)

My Publications

Current address: Rega Institute for Medical Research, Department of Microbiology and Immunology, KU Leuven - University of Leuven, Leuven, Belgium

Email: Erik.DeClercq@rega.kuleuven.be

Ph.D. Guangdi Li

Guangdi Li obtained his Bachelor's degree in Applied Mathematics at Hunan University, China. Afterwards, he received his Master degree in Computer Science at Shandong University, China. With full scholarship, he worked as a research assistant at Universidad Politécnica de Madrid, Spain. In 2014, he obtained his Ph.D in Biomedical Sciences from Faculty of Medicine, K.U. Leuven, Belgium. During this period, he also received extensive training from Master of Molecular and Cellular Biophysics, Faculty of Science, K.U. Leuven. His research interets focus on antiviral drugs and the genome-wide diversity, coevolution and interaction of HIV, HBV and HCV.

My curriculum vitae (CV)

My Publications

Current address: Metabolic Syndrome Research Center, the Second Xiangya Hospital, Central South University, Changsha, Hunan, China

Email: liguangdi.research@gmail.com