This research study is being done to compare the effectiveness two drugs: an Extended Release Torsemide (ERT) versus generic Immediate Release Torsemide (IRT) in reducing the worsening of symptoms of Overactive Bladder (OAB, i.e., frequency, urgency, or urgency incontinence) in patients with chronic congestive heart failure (CHF). This study will include CHF patients who experience worsening (OAB) symptoms with use of a loop diuretic. The total duration of the study is about eight weeks with a total of nine visits. There will be a screening visit that lasts one to two hours. The screening visit includes history and physical exams, blood draws, and urine analysis. If eligible for the study, participants will receive either generic torsemide or extended release torsemide for the first four weeks. Participants will do a virtual research visit on week one, two and three to submit a symptom diary and answer a questionnaire about urinary symptoms. At four weeks, history and physician exam will be done and blood will be collected. Participants will be assigned to receive either extended release torsemide (if they initially received generic torsemide) and generic torsemide (if they initially received extended release torsemide) for the next four weeks. Participants will attend virtual research visits on week five, six and seven to submit a symptom diary and answer a questionnaire about urinary symptoms. At the end of the study in week eight, they will have history and physical exams and blood draws. Some risks from the study may include side effects of torsemide like acute kidney injury, fluid/electrolyte loss, hypersensitivity reactions and reversible hearing loss/tinnitus.
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Health-Related Quality of Life (HRQoL) Treatment Effect
Timeframe: After enrollment to the end of treatment at 8 weeks