Drug   Spike level (%)   Amount of drug added (µg)   Amount of drug recovered (µg)   Recovery (%)   RSD (%)*
   EMLETRA 80 10 10.21 102.1±0.4578 0.153
100 30 30.51 101.7±0.2148 0.565
120 50 50.06 100.1±0.1025 0.550
*Mean value of three determinations
Table 4: Analysis of formulations and recovery studies by RP-HPLC.