Study to Evaluate Efficacy of Shunt Operation for Idiopathic Normal Pressure Hydrocephalus

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

110 participants

Study Classification

INTERVENTIONAL

Study Start Date

2004-09-30

Study Completion Date

2005-10-31

Brief Summary

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This study evaluates the efficacy of shunt operation for idiopathic normal pressure hydrocephalus, and determines the diagnostic value of noninvasive procedures commonly practiced in the clinic.

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Detailed Description

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Idiopathic normal pressure hydrocephalus (iNPH) is a syndrome characterized by ventricular dilatation due to disturbed cerebrospinal fluid (CSF) circulation, accompanied by gait disturbance, dementia and/or urinary incontinence without causative disorders. With the aging of Japanese society, the number of patients is increasing, requiring diagnostic and therapeutic guidelines for the improvement of the patients' quality of life and social care. Under such conditions, this project was made as the prospective study of iNPH on Neurological Improvement (SINPHONI ). This study aims 1) to establish methods for non-invasive diagnosis of iNPH, and 2) to demonstrate therapeutic outcome of shunting operation by Codman Hakim programmable valve (CHPV). In this protocol, the evaluation of validity on MRI, tap test, CT cisternography, and CBF (3D-SSP) will be done in the diagnosis, and manual of initial setting pressure in CHPV for prevention of overdrainage problems will be estimated by modified Rankin scale (as primary endpoint) and some another scales during 1 year.

Conditions

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Idiopathic Normal Pressure Hydrocephalus

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Interventions

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ventriculo-peritoneal shunt

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

Patients who had at least one more points of the triad (gait disturbance, cognitive impairment, and urinary incontinence) in Japan NPH grading scale revised, and had disproportionate ventriculomegaly (Evans index \>0.3) with closing of the CSF space at high convexity on MRI. These patients must be diagnosed clinically other causative disorders, and ventricular dilatation due to disturbance of the cerebrospinal fluid (CSF) circulation. Be able to give informed consent.

Exclusion Criteria

1\) Cannot have an MRI scan 2) Has a problem with bleeding tendency and other serological examination. (liver enzyme and renal dysfunction, blood coagulopathy, and etc.) 3) Is unable to understand the risks of the testing and surgical therapy. 4) is tolerable for one year follow up after shunting operation.

Minimum Eligible Age

60 Years

Maximum Eligible Age

85 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No