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Darunavir (Molecule of the Month for May 2017)


Darunavir is an antiretroviral medication used to treat and prevent HIV/AIDS. It is generally recommended for use with other antiretrovirals.[1] It is often used with low doses of ritonavir or cobicistat to increase darunavir levels.

Darunavir is an OARAC (DHHS) recommended treatment option for adults and adolescents, regardless of whether they have received HIV treatment in the past. In a study of patients that had never received HIV treatment, darunavir was as effective as lopinavir/ritonavir at 96 weeks with a once-daily dosing

Darunavir is a nonpeptidic inhibitor of protease (PR) that lodges itself in the active site of PR through a number of hydrogen bonds. It was developed to increase interactions with HIV-1 protease and to be more resistant against HIV-1 protease mutations. With a Kd value of 4.5 x 10−12 M, darunavir has a much stronger interaction with PR and its dissociation constant is 1/100 to 1/1000 of other protease inhibitors. This strong interaction comes from increased hydrogen bonds between darunavir and the backbone of the PR active site

Formal Chemical Name (IUPAC)
(3R,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl ((2S,3R)-4-((4-amino-N-isobutylphenyl)sulfonamido)-3-hydroxy-1-phenylbutan-2-yl)carbamate



Picture of Darunavir 3D model

click on the picture of  Darunavir above to interact
with the 3D model of the
Darunavir structure
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Picture of Darunavir


Update by Karl Harrison
(Molecule of the Month for May 2017 )

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