A Pilot Clinical Investigation of the Efficacy and Safety of Uracyst® Versus Placebo in Patients With Interstitial Cystitis/Painful Bladder Syndrome.

Inclusion Criteria: * Are female of male patient 18 years or older * Have been previously diagnosed with IC/PBS. * Are willing to provide informed consent * Available for the duration of the study including treatment and follow-up (12 weeks) Exclusion Criteria: * Pregnant or lactating female. * Are currently or have previously received investigational drugs within thirty (30) days of screening. * Previous therapy for IC/PBS * Have any medical condition/disease that could interfere with patient compliance or interfere with interpretation of the study results. * Are unable or unwilling to comply with protocol requirements * Are unable to read, understand, and provide written informed consent.