Excipients LAM-TCNQ LAM-BTB LAM-PA
% Recovery
Pyrrolidone 99.13 99.76 99.86
Lactose 98.61 100.22 100.30
Talc 100.40 99.29 100.46
Magnesium stearate 100.17 99.68 98.97
Starch 99.58 101.42 100.89
Table 4: Recovery of lamotrigine in presence of different excipients.