Protease-sparing regimen
Encyclopedia
Protease-sparing regimen often abbreviated as PSR, is a method or therapy
Pharmacotherapy
Pharmacotherapy is the treatment of disease through the administration of drugs. As such, it is considered part of the larger category of therapy....

 for treating people infected with HIV
HIV
Human immunodeficiency virus is a lentivirus that causes acquired immunodeficiency syndrome , a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive...

 that involves a three-drug combination that reduces viral load below the limit of detection while saving protease inhibitors for later use. It is considered a weaker (in terms of quantity and concentration) form of HIV treatment. It has been argued that such a regimen is not as potent as giving HIV patients with the strongest drugs as soon as it is detected. Others believe that this might be considered a long-term strategy in order to reduce the amount of HIV, and in some instances have proven to be successful.
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