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Spots Global Cancer Trial Database for Severity of Overactive Bladder Symptoms in Patients After Synergo Treatment

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Trial Identification

Brief Title: Severity of Overactive Bladder Symptoms in Patients After Synergo Treatment

Official Title: Severity of Overactive Bladder Symptoms in Patients After Synergo Treatment for Bladder Cancer

Study ID: NCT01955408

Study Description

Brief Summary: Bladder carcinoma is the most common malignancy of the urinary tract. Approximately 75-85% of patients with bladder cancer present with a disease that is confined to the mucosa or submucosa. These categories are grouped as non-muscle-invasive bladder tumors(i.e. superficial tumors). Bladder cancer is the fifth most common cancer in the United States, with an estimated 67,160 newly diagnosed cases and 13,750 deaths in the United States in 2007. The 5-year survival rate is 82% for all stages combined. The standard of treatment for patients with superficial bladder cancer is surgical transurethal resection (TUR) of tumors, with an 80% early success rate. However, nearly 70% of these patients will develop tumor recurrence, with 25% showing progression to muscle-invading disease, within 5 years with TUR. It is therefore necessary to consider adjuvant therapy in all patients. The absolute risks of recurrence and progression do not always indicate the risk at which a certain therapy is optimal. The choice of therapy may be considered differently according to what risk is acceptable for the individual patient and the urologist. Intravesical chemotherapy and immunotherapy are widely used as adjuvant therapies after TUR, to prevent recurrence and progression of superficial disease. Systemic therapy is typically reserved for higher stage, muscle-invading, or metastatic diseases. The urinary bladder is an ideal organ for regional therapy. The urethra provides easy access of therapeutic agents to the urinary bladder. The presence of the specialized asymmetric unit membrane on the urothelium serves as a barrier and limits the absorption of molecules or particulates into the systemic circulation. The rationale for intravesical therapy is to maximize the exposure of tumors located in the bladder cavity to therapeutics agents while limiting the systemic exposure and thereby limiting the host toxicities; the primary goal is to eradicate existing or residual tumors through direct cytoablation or immunostimulation. The unique properties of the urinary bladder render it a fertile ground for evaluating novel approaches to regional therapy, including local hyperthermia, co-administration of permeation enhancers, bioadhesive carriers, and gene therapy. One of the developing treatments for high-risk superficial bladder cancers is the combination of intravesical chemotherapy and hyperthermia (HT), called chemohyperthermia (C-HT). The most common form of C-HT uses the Synergo HT system, in which local HT is administered via direct microwave irradiation of the urothelium by means of a 915-MHz intravesical microwave applicator. The target intravesical temperature is set between 41.8C and 44.8C and is measured by five thermocouples integrated in a 20-F treatment catheter. To avoid injury, the urethra is continuously cooled. Due to extensive global experience with its use and a significant amount of preclinical data demonstrating improved antineoplastic efficacy when heated, mitomycin C (MMC) is the most common intravesical chemotherapy agent used in conjunction with HT. The most common adverse events during treatment were bladder spasms and bladder pain. Literature reports bladder spasms in 21.6% of patients, and bladder pain in 17.5%. Bladder spasms tended to occur more frequently with the prophylactic schedule, whereas pain was present equally in the prophylactic and ablative schedules but more commonly after the ablative schedule. In the first days following C-HT, storage LUTS (frequency, dysuria, urgency, nocturia) (25.6%) and hematuria (6.0%) are the most common adverse events. Most studies mention that these symptoms were mild and transient, resolving spontaneously within a few days of treatment. One study described severe cystitis complaints in three patients (16%), but other studies have not confirmed these adverse events. Two studies report the development of a contracted bladder and severe urinary incontinence after ablative C-HT. However, the possibility cannot be excluded that previous transurethral resection and intravesical chemotherapy might have contributed to this event. Following the appearance of bothersome storage LUTS, patient should be managed by existing guidelines. Based on AUA/SUFU Diagnosis and Treatment of Overactive Bladder (Non-Neurogenic) in Adults Guidelines published in 2012 patients should be diagnosed, followed and treated according to the suggested algorithm. In our study, we would like to assess the severity of OAB symptoms and their response to a standard OAB treatment according to AUA Guidelines for Non-neurogenic OAB as well as to assess urodynamic study variables in those who didn't respond to a standard medical treatment and bothered by their OAB symptoms.

Detailed Description:

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Meir Medical Center, Kfar-Saba, Hasharon, Israel

Contact Details

Name: Michael Vainrib, MD

Affiliation: Meir Medical Center

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

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