This is an on-going study to evaluate the long-term safety and maintenance of effect of duloxetine in patients suffering with stress urinary incontinence.

Inclusion Criteria:

Have had symptoms of SUI for at least 3 months prior to study entry.

Have urine leakage most often associated with activity (such as coughing, sneezing, exercise).

Ambulatory and able to use a toilet independently and without difficulty.

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Exclusion Criteria:

Subjects who participated or were discontinued from any previous studies investigating duloxetine.

Use of excluded medications within 14 days prior to study entry or at any time during the study.

Subjects who currently have or have had a history of urogenital cancer.