saquinavir
Noun A synthetic antiviral drug that belongs to the class of protease inhibitors. It is used in combination with other antiretroviral medications to treat human immunodeficiency virus (HIV) infection. Saquinavir works by blocking the activity of the HIV protease enzyme, which is necessary for the virus to replicate and produce infectious new viral particles.
Saquinavir is used as part of antiretroviral therapy (ART). It is never used alone but is combined with other HIV medicines to control the infection, reduce the amount of HIV in the blood (viral load), and improve the immune system's function.
- The doctor prescribed a regimen containing saquinavir to manage the patient's HIV.
- Early formulations of saquinavir had very low bioavailability.
- Saquinavir is one of several protease inhibitors available for combination therapy.
- Pharmacokinetic Boosting: Saquinavir's effectiveness is significantly increased when it is "boosted" by co-administration with another drug like ritonavir. Ritonavir inhibits the enzymes that break down saquinavir in the body, allowing saquinavir levels to remain higher and more effective.
- Example: The boosted saquinavir regimen proved more effective at suppressing the viral load.
- Protease Inhibitor (PI): The class of antiretroviral drugs to which saquinavir belongs.
- Antiretroviral: A general term for drugs that act against retroviruses like HIV.
- Invirase®: A common trade name for saquinavir.
- Protease inhibitor (as a category, not a direct synonym)
- Invirase (brand/trade name equivalent)
The core meaning of "saquinavir" is specifically tied to its function as an HIV protease inhibitor. It does not have other general meanings outside of this medical/pharmacological context.
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a weak protease inhibitor (trade name Invirase) used in treating HIV
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