Low Energy Shock Wave for the Treatment of Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS)

2018-08-09 17:25:22 | BioPortfolio


To investigate the efficacy and safety of LESW on participants with IC/BPS


Low energy shock wave (LESW) is known to facilitate tissue regeneration with analgesic and anti-inflammatory effects. LESW has been proved to have therapeutic effects in patients with nonbacterial prostatitis and chronic pelvic pain syndrome (CPPS). Investigator's previous study has demonstrated that LESW treatment inhibited nerve growth factor (NGF), interleukin-6 (IL-6), and cyclooxygenase-2 (COX-2) expression, and blocked the bladder pain, inflammation and overactivity in a cyclophosphamide induced cystitis model in rats. These findings suggest that a potential clinical benefit of LESW treatment for patients with interstitial cystitis/bladder pain syndrome (IC/BPS).

A total of 96 participants with IC/BPS will be enrolled to receive LESW (transcutaneous applied to the suprapubic bladder region with 2000 shocks, frequency of 3 pulses per second and maximum total energy flow density 0.25 millijoule/mm2) once a week for 4 weeks or placebo (same condition but with no energy) treatment.

All participants should have IC symptoms for at least 6 months, and have received cystoscopy to rule out other bladder lesion. Participants should not have urinary tract infection (UTI) in recent 3 months, and no urinary tract stone. Participants should not receive intravesical hyaluronic acid treatment in recent 3 months, or intravesical Botox injection in recent 12 months. Retreatment with LESW at 3 months if participants reports ineffective.

Primary end-point is the change of the O'Leary-Sant symptom score (OSS), including Interstitial Cystitis Symptom Index (ICSI) and Interstitial Cystitis Problem Index (ICPI) from baseline to 1 month after treatment. Secondary endpoints include Visual Analogue Scale (VAS), daily frequency, nocturia and functional bladder capacity (FBC) as record in 3-day voiding diary, maximum flow rate (Qmax), voided volume, postvoiding residual (PVR) and global response assessment (GRA). Two visits are required at baseline screening (before first treatment), treatment (V1), 1 week (V2), 2 weeks (V3), 3 weeks (V4) and 1 week post V4 treatment (V5), 1 month post V4 treatment (V6, primary end-point), and 3 months post V4 treatment (V7) . Urine samples will be collected at each time-point for NGF and cytokines tests. Bladder biopsy will be performed at baseline and repeat cystoscopy at 3 months post treatment optional.

Study Design


Cystitis, Interstitial


Low energy shock wave, Placebo


Chang Gung Memorial Hospital, Chang Gung University College of Medicine


Active, not recruiting


Chang Gung Memorial Hospital

Results (where available)

View Results


Published on BioPortfolio: 2018-08-09T17:25:22-0400

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