New York, November 4, 2004 – Combination therapy with Pfizer Inc's DETROL® LA (tolterodine tartrate extended ... were treated with alpha blocker doxazosin for three months.

[24] Despite such a pronounced placebo effect in the present study, patients on tolterodine demonstrated consistently greater improvements in micturition diary variables compared with placebo.

The purpose of this study was to evaluate the efficacy and safety of the addition of doxazosin in the treatment of hypertensive patients who are being treated on another antihypertensive drug.