Displaying 4 results of Elvitegravir Stable Isotopes Elvitegravir Stable Isotopes are non-radioactive isotopes of the antiretroviral drug Elvitegravir. They have the same chemical properties as the naturally occurring isotopes, but differ in their atomic mass. These isotopes are used in drug metabolism and pharmacokinetic studies to track the fate of the drug in the body, and to develop more effective and safe therapies for HIV infections.