RecruitingDrug trialAmniotic Membrane Therapy for Interstitial Cystitis/Painful Bladder SyndromeInterstitial cystitis/painful bladder syndrome (IC/PBS) is a clinical syndrome in which patients report symptoms of bladder and/or pelvic pain with pressure and/ or discomfort associated with urinary frequency and urgency. The primary objective of this study is to determine the efficacy of amniotic membrane therapy in patients with interstitial cystitis/painful bladder syndrome (IC/PBS) as defined by clinically-significant improvement in validated symptom questionnaires.