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Spots Global Cancer Trial Database for Low Energy Shock Wave Therapy and Non-Muscle Invasive Bladder Cancer

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Trial Identification

Brief Title: Low Energy Shock Wave Therapy and Non-Muscle Invasive Bladder Cancer

Official Title: Study of the Effect of Neoadjuvant Low Energy Shock Wave Therapy on Non-Muscle Invasive Bladder Cancer: A Preliminary Pilot Controlled Clinical Trial

Study ID: NCT04644835

Study Description

Brief Summary: The investigators hypothesize that low energy shock wave therapy (LESW) might induce damage to the tumor tissues of non-muscle invasive bladder cancer (NMIBC), so they could be ablated and detached from the surface. The patients who are suffering from NMIBC will be randomly allocated into two groups: The first group (control group): 25 patients will be exposed to sham treatment before transurethral resection of bladder tumor (TURBT) without using LESW therapy. The second group (LESW group): 25 patients will be exposed to LESW therapy before TURBT. The apoptotic effect of LESW will be studied via histopathological examination and molecular studies of the resected bladder tissues. The patients will receive intravesical chemotherapy or BCG immunotherapy and they will be followed up at outpatient clinic for two years by MRI, outpatient cystoscopy and cytology to identify the recurrence and progression rate of NMIBC.

Detailed Description: The investigators hypothesize that low energy shock wave therapy (LESW) might induce damage to the tumor tissues of non-muscle invasive bladder cancer (NMIBC), so they could be ablated and detached from the surface. The patients who are suffering from NMIBC will be randomly allocated into two groups: The first group (control group): 25 patients will be exposed to sham treatment before transurethral resection of bladder tumor (TURBT) without using LESW therapy. The second group (LESW group): 25 patients will be exposed to LESW therapy before TURBT. The shock wave applicator (Dornier AR2, shock wave device, Dornier MedTech 2010, Wessling, Germany) will be gently placed directly on the ultrasound transmission gel over the skin surface of the suprapubic region above the urinary bladder at the site of the papillary lesion (US guided) and at other five points. Points 1 and 2 will be at the level of transverse crease 2 cm above the pubic bone and 5 cm from each, points 3 and 4 will 2 cm above points 1 and 2, and point 5 will be centered of points 1-4. A total of 2000 pulses at 0.25 mJ/mm2 will be delivered with a frequency of 3 pulses per second. The position of the shock wave applicator will be changed after every 400 pulses. The apoptotic effect of LESW will be studied via histopathological examination for the type of bladder tumor, pathological stage, grade, association of carcinoma in situ and morphological features of apoptosis in terms of compaction of the nuclear chromatin (pyknosis), loss of cellular volume and chromatin condensation on the nuclear envelope (nuclear crescents), Immunohistochemical analysis of anti-caspase-3 antibody and molecular studies of Bax (an apoptotic promotor), BCL-2 and Survivin (apoptotic inhibitors) Relative Gene Expression in the resected bladder tissues. The patients will receive intravesical chemotherapy or BCG immunotherapy and they will be followed up at outpatient clinic for two years by MRI, outpatient cystoscopy and cytology to identify the recurrence and progression rate of NMIBC.

Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

Urology and Nephrology Center, Mansoura University, Mansoura, , Egypt

Contact Details

Name: Ahmed A. Shokeir

Affiliation: Urology and Nephrology Center, Mansoura University, Egypt

Role: STUDY_CHAIR

Name: Ahmed Mosbah

Affiliation: Urology and Nephrology Center, Mansoura University, Egypt

Role: STUDY_DIRECTOR

Name: Ahmed Elkashef

Affiliation: Urology and Nephrology Center, Mansoura University, Egypt

Role: PRINCIPAL_INVESTIGATOR

Useful links and downloads for this trial

Clinicaltrials.gov

Google Search Results

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