At a glance
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Prospective Randomized Double Blind Clinical Trial to Compare Holmium Laser Lithotripsy With and Without Moses Laser Technology for the Ureteroscopic Treatment of Nephrolithiasis
In Brief
A clinical study evaluating Holmium laser lithotripsy with Moses Technology and Holmium laser lithotripsy without Moses Technology for Nephrolithiasis. Completed, enrolled 171 participants across 6 sites.
Detailed Summary
Flexible ureteroscopy is characterized as first-line therapy for the treatment of renal stones \< 2 cm in size. This involves passing a flexible endoscope into the renal pelvis through the urethra, bladder and ureter in a retrograde fashion. Holmium: YAG laser remains the preferred energy modality to subsequently break stones of this size into fragments small enough to remove or pass spontaneously through the ureter. Advances in the understanding of laser energy delivery have led to the recent commercialization of the "Moses Effect" - the creation of vapor bubbles/cavities between the laser fiber tip and the target through which laser energy can more efficiently travel. Lumenis was the first to optimize this laser phenomenon and market it as "Moses Technology" in their Lumenis Pulse P120H laser system. This system is already FDA approved through the 510K pathway and is commercially available. The purpose of this study is to evaluate the potential of Moses laser technology to reduce operative time compared to non-Moses settings for ureteroscopic treatment of nephrolithiasis.
Study Details
Timeline
Interventions
Holmium laser energy will be delivered for the ureteroscopic fragmenting of kidney stones. Energy will be generated by the commercial available, FDA approved Lumenis PulseTM P120H laser system and Moses laser fiber. Renal stones will be fragmented using a dusting technique. Moses laser settings will be turned on.
Holmium laser energy will be delivered for the ureteroscopic fragmenting of kidney stones. Energy will be generated by the commercial available, FDA approved Lumenis PulseTM P120H laser system and Moses laser fiber. Renal stones will be fragmented using a dusting technique. Moses laser settings will be turned off.