Mood Alterations in the Patients With Non-Muscle Invasive Bladder Cancer Treated With BCG

The purpose of this study is to evaluate mood changes in patients with Non-Muscle Invasive Bladder Cancer who are receiving intravesical Bacillus Calmete-Guerin (BCG). Patients with Non-Muscle Invasive Bladder Cancer receiving intravesical treatments are eligible to participate in this study. Participation involves providing research blood and urine samples prior to the start of treatment and throughout the treatment course. The study team will also collect participant's medical history and clinical information. Participants will be asked to complete questionnaires and daily mood diaries.