Darunavir/cobicistat
              < Darunavir 
 
            
          | Combination of | |
|---|---|
| Darunavir | HIV protease inhibitor | 
| Cobicistat | Cytochrome P450 (CYP3A) inhibitor | 
| Clinical data | |
| Trade names | Rezolsta, Prezcobix | 
| AHFS/Drugs.com | Professional Drug Facts | 
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| Pregnancy category | 
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| Routes of administration | By mouth | 
| ATC code | |
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| Identifiers | |
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| Chemical and physical data | |
| Formula | C67H90N10O12S3 | 
| Molar mass | 1323.70 g·mol−1 | 
| 3D model (JSmol) | |
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Darunavir/cobicistat, sold under the brand names Prezcobix (US) and Rezolsta (EU), is a fixed-dose combination antiretroviral medication used to treat and prevent HIV/AIDS. It contains darunavir and cobicistat. Darunavir is an HIV protease inhibitor and cobicistat increases the effectiveness of darunavir by blocking its metabolism by the enzyme CYP3A.
Darunavir/cobicistat was approved for use in the European Union in November 2014, and for use in the United States in January 2015.