US Imaging for the Assessment of LUTS

Status Recruiting

Clinical Trial Summary

The purpose of this research is to develop an ultrasound (US) based urodynamics (UDS) evaluation of voiding based on successful magnetic resonance imaging (MRI)-UDS evaluation. Both US and MRI are non-invasive imaging techniques, but US is a more cost-effective and widely available technology. 80 participants will be enrolled and will be on study for up to 2.5 hours (1.5 hour MRI and 1 hour US).

Clinical Trial Description

The MRI - UDS technique provides voiding flow rates and bladder pressures which can be used to calculate the widely used metrics of obstruction (bladder outlet obstruction index, BOOI) and contractility (bladder contractility index, BCI). In a preliminary study, values for maximum flow (Qmax) and detrusor pressure at maximum flow (PdetQmax) were obtained from MRI-UDS for patients with BPH/LUTS. These results closely correlated with multichannel urodynamics (MCUD). Men with BPH/LUTS and age-matched controls will undergo a comprehensive protocol of dynamic MRI, 3D ultrasound and multi-channel urodynamics (MCUD) to evaluate and validate this novel methodology. Specific aims include: Aim1. Develop an ultrasound/CFD based urodynamics (US-UDS) method. A protocol combining 3D US imaging and CFD analysis will be developed. This approach will be validated both in vitro and in vivo, first in an anatomically realistic model and then in control human subjects. Aim2. Establish the accuracy of voiding metrics determined with ultrasound urodynamics (US-UDS). MCUD, MRI-UDS and the new US-UDS protocols will all be performed to evaluate voiding in patients with BPH/LUTS and healthy controls. Urodynamic metrics derived from ultrasound will be compared to those obtained from the reference clinical standard MCUD and MRI-UDS. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06323109
Study type	Observational
Source	University of Wisconsin, Madison
Contact	Gemma Gliori, MS
Phone	608.262.7269
Email	ggliori@uwhealth.org
Status	Recruiting
Phase
Start date	November 28, 2023
Completion date	January 1, 2027

View Details

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