Ritonavir, with trade name Norvir® (Abbott Laboratories), is an antiretroviral drug from the protease inhibitor class used to treat HIV infection and AIDS.

Ritonavir is frequently prescribed as the protease inhibitor component in HAART because it inhibits the same host enzyme that metabolizes NRTIs and NNRTIs. This inhibition leads to higher plasma concentrations of these latter drugs, allowing the clinician to lower their dose and frequency.

History

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Ritonavir is manufactured as Norvir® by Abbott Laboratories. Research that led to the drug's development was financed in part by a $3,500,000 federal grant through the National Institutes of Health (NIH). The Food and Drug Administration (FDA) approved ritonavir on March 1, 1996, making it the seventh approved antiretroviral drug in the United States. In 2003, Abbott raised the price of a Norvir course from USD $1.71 per day to $8.57 per day, leading to claims of price gouging by patients' groups and some members of Congress. Consumer group Essential Inventions petitioned the NIH to override the Norvir patent, but the NIH announced on August 4, 2004 that it would not invoke its legal right to allow generic production of Norvir, citing potential adverse effects on the pharmaceutical market.

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A Study of Drug-Drug Interaction Between Darunavir and Danoprevir Administered Together With Low-Dose Ritonavir ... http://t.co/4uWfb46E
nonamos (Amos) Sat, 28 Jan 2012 08:35:08 -0000
A Study of Drug-Drug Interaction Between Darunavir and Danoprevir Administered Together With Low-Dose Ritonavir ... http://t.co/4uWfb46E
@guy_interruptd Atazanivir, Ritonavir, and Truvada. That is the medication my John is on... Hope your having good day..
SheronChristian (Sheron Christian) Fri, 27 Jan 2012 12:42:59 -0000
@guy_interruptd Atazanivir, Ritonavir, and Truvada. That is the medication my John is on... Hope your having good day..
Ritonavir: http://t.co/Vlo623y3
Hammerb4ttle (Josef Mcnulty) Fri, 27 Jan 2012 01:08:41 -0000
Ritonavir: http://t.co/Vlo623y3
RT @MilfGod: *favs tweet* RT @mystie03: @MilfGod Anti virals are an indicator!! Look 4 meds that end with "vir" ex: lopinavir/ritonavir
KingMagma (Johnny Magnum) Thu, 26 Jan 2012 21:27:09 -0000
RT @MilfGod: *favs tweet* RT @mystie03: @MilfGod Anti virals are an indicator!! Look 4 meds that end with "vir" ex: lopinavir/ritonavir
*favs tweet* RT @mystie03: @MilfGod Anti virals are an indicator!! Look 4 meds that end with "vir" ex: lopinavir/ritonavir
MilfGod (#HaitianJesus) Thu, 26 Jan 2012 21:24:19 -0000
*favs tweet* RT @mystie03: @MilfGod Anti virals are an indicator!! Look 4 meds that end with "vir" ex: lopinavir/ritonavir
@MilfGod Anti virals are an indicator!! Look 4 meds that end with "vir" ex: lopinavir/ritonavir
mystie03 (HEARTLESS Misty) Thu, 26 Jan 2012 21:22:20 -0000
@MilfGod Anti virals are an indicator!! Look 4 meds that end with "vir" ex: lopinavir/ritonavir

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