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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01481207
Other study ID # CIV-11-11-002981
Secondary ID
Status Completed
Phase
First received
Last updated
Start date September 2011
Est. completion date July 9, 2019

Study information

Verified date September 2019
Source University Children's Hospital, Zurich
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Neonatal hypoxic ischemic encephalopathy (HIE) is a serious neurological condition characterised by acute or subacute brain injury arising from perinatal hypoxia. HIE is thought to affect approximately 0.2% of live births, and is associated with a high risk of mortality or long-term neurological disability.

Accurate biomarkers for long-term neuro-developmental outcome following HIE are extremely important both for clinical management and the evaluation of therapeutic approaches. According to a recent meta-analysis, the ratio of the cerebral concentrations of lactate and N-acetyl aspartate (NAA), two neuro-metabolites detectable with magnetic resonance spectroscopy (MRS), currently represents the most accurate prognostic indicator of outcome following HIE. However, for various technical reasons standard MRS methods do not offer optimal sensitivity for detecting lactate, which may potentially be improved with a custom lactate editing MRS sequence. In addition, while perfusion has also been suggested as a potential biomarker for neuro-developmental outcome following HIE, due to a paucity of MR perfusion imaging studies in neonates, the prognostic accuracy of perfusion MR measures has not been evaluated in comparison with more established MR biomarkers. The aims of this study are:

1. to evaluate the relative sensitivity of a custom lactate editing MRS pulse sequence (specialist software) relative to the standard point resolved (PRESS) MRS sequence for detecting lactate in neonates with suspected HIE.

2. to evaluate the sensitivity and specificity of MR perfusion measures in comparison to MRS measures as predictors of neuro-developmental outcome at 2 years.


Recruitment information / eligibility

Status Completed
Enrollment 59
Est. completion date July 9, 2019
Est. primary completion date July 9, 2019
Accepts healthy volunteers No
Gender All
Age group N/A to 2 Weeks
Eligibility Inclusion Criteria:

- Newborn infants (born at >36 weeks) with suspected perinatal asphyxia. Written informed consent from both parents.

Exclusion Criteria:

- Prematurity (born at < 36 weeks). Lack of written informed consent from both parents.

Study Design


Locations

Country Name City State
Switzerland University Children's Hospital Zurich, MRI Center Zürich

Sponsors (1)

Lead Sponsor Collaborator
University Children's Hospital, Zurich

Country where clinical trial is conducted

Switzerland, 

Outcome

Type Measure Description Time frame Safety issue
Primary sensitivity of lactate editing MR spectroscopy sequence (software) relative to that of the standard MR spectroscopy sequence. The primary end-point will be reached when lactate and perfusion data have been collected from 30 neonates. The efficacy of the custom-MRS lactate editing sequence will be assessed relative to that of the standard MRS sequence for the detection of lactate (by comparing the lactate concentration (in mM) measured from the lactate edited MR spectra to that measured from the standard MR spectra). 12 months
Secondary prognostic accuracy (sensitivity and specificity) of MRI and MRS for predicting motor outcome at age 2 The secondary end-point will be reached upon completion of a neurological development assessment at the age of 2 years. Patients will be classified as having a good or poor outcome based on their motor skills at age 2, and the prognostic accuracy (eg sensitivity and specificity for predicting neuromotor outcome) of the standard and new MRI and MRS sequences will be assessed. 3 years
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