Elastography of the Liver in Cystic Fibrosis Patients. Diagnostic and Prognostic Aspects

NCT ID: NCT02603666

Last Updated: 2016-12-30

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

130 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-01-31

Study Completion Date

2014-06-30

Brief Summary

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The aim of the study is to find CF patients at risk for cystic fibrosis related liver disease (CFLD). Comparison of ultrasound by two modalities and biochemical markers with histological evaluation of liver biopsy if present.

Detailed Description

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There are 209 CF patients attending Stockholm Cystic Fibrosis Center (January 2010). All up till 15 years of age are screened for liver disease annually by ultrasound (US) and also by biochemical markers. Ultrasound is performed every third year over 15 years of age in patients without CFLD, while all of them with diagnosed CFLD are continued to be investigated annually. Biochemical markers are controlled at least once every year in all CF patients. Elastography of the liver will be planned together with the investigations of the annual follow up, in an optimal clinical status. If either US or elastography of the liver indicates liver disease or progress of the already existing pathological changes, a liver biopsy will be performed according to routine procedure at Stockholm CF Centre. Also, historical data of liver biopsies and biochemical investigations will be considered in the study.

Elastography of the liver will be performed by Fibroscan device, with transducers for children and adults, respectively.

Clinical importance Liver US investigations in CF patients have important implications but are difficult to standardize in a routine clinical setting. Elastography may have an advantage in the evaluation of early fibrosis with clinical importance in pursuing diagnostics and intensifying treatment. A significant group (up to 25 %) of CF patients may be helped by this novel method. Including histological data, accuracy of elastography in CF patients may be improved. Further details of the importance of fatty acid status in CF may be elucidated.

Conditions

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Cystic Fibrosis Liver Fibrosis

Keywords

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cystic fibrosis elastography liver biopsy

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

NONE

Study Groups

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Elastography

Fibroscan elastography device for evaluation of liver disease in CF patients.

Group Type OTHER

Fibroscan

Intervention Type DEVICE

Ultrasound by specific wavelength developed for elastography, repeated measures according to the manufacturer's instructions.

Interventions

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Fibroscan

Ultrasound by specific wavelength developed for elastography, repeated measures according to the manufacturer's instructions.

Intervention Type DEVICE

Other Intervention Names

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Elastography

Eligibility Criteria

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Inclusion Criteria

* Verified cystic fibrosis
Minimum Eligible Age

1 Year

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Karolinska Institutet

OTHER

Sponsor Role collaborator

Karolinska University Hospital

OTHER

Sponsor Role lead

Responsible Party

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Ferenc Karpati

MD, PhD

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Ferenc Karpati, MD, PhD

Role: PRINCIPAL_INVESTIGATOR

Stockholm CF Center, Karolinska University Hospital

Other Identifiers

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2010/1957/31/3

Identifier Type: -

Identifier Source: org_study_id