The method of manufacture involves the following operations: delumping of pregabalin and of the
excipients, blending and encapsulation. In order to accommodate the range of dosage strengths, 2
powder blends formulation are used for commercial manufacturing. Formulation series A containing
25% w/w pregabalin is used to produce 25 and 50 mg capsules and formulation series C containing
75% w/w pregabalin is used to produce the other strengths.