REYATAZ has been evaluated for safety in combination therapy with other antiretroviral medicinal products in controlled clinical trials in 1,806 adult patients receiving REYATAZ 400 mg once daily (1,151 patients, 52 weeks median duration and 152 weeks maximum duration) or REYATAZ 300 mg with ritonavir 100 mg once daily (655 patients, 48 weeks median duration and 101 weeks maximum duration).