Last updated on July 2019

OnabotulinumtoxinA Bladder Injection Study

Brief description of study

Patients with overactive bladder (OAB) will be randomly assigned (like a flip of a coin) to receive 100 units of onabotulinumtoxinA injected into the bladder at either 3 sites or 10 sites. Patient satisfaction and the effectiveness of the medication will be evaluated.

Detailed Study Description

Overactive bladder (OAB) is a common condition which often has a negative impact on health related quality of life. Primary and secondary treatments include behavior modification, pelvic floor physical therapy, and OAB medications. OnabotulinumtoxinA (BTX) is a well-established third line therapy for refractory OAB.

BTX has transitioned over the years from a procedure conducted in the operating room to one that is commonly done in the clinic or physician office. While ten injection sites is commonly practiced, there has been continuing interest in reducing the number of injection sites to make the technique more tolerable and more efficient.

In this study, refractory OAB patients will be randomized to receive 100 units of BTX over 3 or 10 injection sites. The investigators hypothesize that decreasing the number of injection sites may improve patient tolerability and satisfaction with this office-based procedure and potentially reduce the rates of adverse events including hematuria and urinary tract infection.

Clinical Study Identifier: NCT03523091

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Beaumont Hospital-Royal Oak

Royal Oak, MI United States
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