Integrase inhibitors approved for HIV is:
Ans. is 'a' i.e., Raltegravir o Raltegravir is an integrase inhibitor which is used in combination with other antiretroviral agents in treatment of patients with ongoing HIV-1 replicaiton. o Elvitegravir is also an integrase inhibitor. But it is in phase-3 trial (not approved).
Raltegravir
Indinavir
Lopinavir
Elvitegravir