I de kontrollerede kliniske studier (af 4- 8 ugers varighed) opnåede 52% af patienterne behandlet med pregabalin og 38% af patienterne på placebo mindst en 50% forbedring i HAM- A totalscore fra baseline til endpoint.
In controlled clinical trials (4-8 week duration) 52% of the pregabalin treated patients and 38% of the patients on placebo had at least a 50% improvement in HAM-A total score from baseline to endpoint.