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A Trial Comparing Efficacy of HM3 Versus F2 Lithotripters for Stone Fragmentation

Urolithiasis Clinical Trial

Official title:
A Randomized Controlled Trial Comparing Efficacy of HM3 vs F2 Lithotripters for Stone Fragmentation

Clinical Trial Summary

The older lithotripter, HM3, has over 90% stone-free rate in most studies. However, it's less transportable than the new model, F2. There are no prospective trials performed to make a valid comparison between these 2 lithotripters in terms of efficacy of stone fragmentation and clinical outcomes.

Clinical Trial Description

Shock wave kidney stone treatment was introduced in the 1980's. It is the least invasive method to treat kidney stone disease. The unmodified Dornier HM3 has over 90% stone free rate in most studies. The MH3 requires immersion in a full bath, necessitating dedicated operative space. The new generation model F2 uses water cushion as a coupling medium and is easily transported. The generators used in both machines are also different. The newer model has the advantage of being more convenient due to portability and ease of use of the coupling medium, but there have been no prospective studies to compare these 2 machines in terms of efficacy of stone fragmentation and clinical outcomes. We seek to compare the HM3 with the F2 models in terms of stone free rates, complications and clinical outcomes to determine which machine is the most effective and will limit the need for additional stone procedures. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00913159
Study type Interventional
Source Washington University School of Medicine
Contact
Status Terminated
Phase N/A
Start date November 2009
Completion date August 2010
View Details
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