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Trial registered on ANZCTR
Registration number
ACTRN12608000526370
Ethics application status
Approved
Date submitted
12/09/2008
Date registered
15/10/2008
Date last updated
4/07/2012
Type of registration
Retrospectively registered
Titles & IDs
Public title
Sleep electroencephalogram (EEG) recordings in interferon-alpha treated hepatitis C patients – Pilot Study
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Scientific title
A study to evaluate the effects of Interferon-alpha treatment on sleep electroencephalogram (EEG) changes in hepatitis C patients
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Secondary ID [1]
714
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NHS (United Hospitals Bristol) sponsorship and research and development number: ME/2008/2829
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Mood side effects of interferon alpha treatment
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Mood effects of interferon treatment of hepatitis C patients
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Condition category
Condition code
Mental Health
3921
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0
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Depression
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Intervention/exposure
Study type
Observational
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Patient registry
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Target follow-up duration
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Target follow-up type
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Description of intervention(s) / exposure
Mood and brain serotonin functioning changes with interferon treatment in hepatitis C patients.
1) Mood changes will be assessed by: a computerised psychiatric diagnostic programme will also be administered; the CIS-R (Lewis et al., 1992) is a computerised interview schedule that establishes the nature and severity of neurotic symptoms experienced over the previous 7 days and identifies the presence of neurosis. Additional rating scales will be taken. Mood: Beck Depression Inventory (BDI). Anxiety: Spielberger state anxiety inventory (SSAI) and Panic State Inventory (PSI). Irritability: Spielberger state anger expression inventory (STAXI) and Visual Analogue Scales (VAS-each category is measured on 100mm line, anchored from 0: ‘‘not at all’’ to 100: “the most ever”). Sleep: Bristol Sleep Profile, short clinical interview to elicit any sleep disorder.
Brain serotonin functioning will be measured by changes in sleep electroencephalogram architecture: priamary measures are reduced rapid eye movement latency and increased sleep fragmentation. Secondary measures will be: increased rapid eye movement percentage of sleep, reduced stage 2 sleep
2) The study duration will be approximately 7 weeks; one week prior to staring interferon and after six weeks of interferon treatment.Each assessment lasts for approximately 1.5-2hours for the questionnaires and computer programing. The sleep EEG recording runs overnight (approximately 8 hours) for each assessment session. In addition psychiatric diagnosis will be collected for all patients the treating team feel may be suffering from a psychiatric illness for the duration of their interferon treatment (usually six or twelve months).
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Intervention code [1]
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Not applicable
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Comparator / control treatment
No control group
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Sleep EEG changes: Rapid Eye Movement latency and sleep fragmentation
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Assessment method [1]
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Timepoint [1]
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Baseline and 6 weeks.
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Secondary outcome [1]
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Mood changes: Depression, Becks Depression Inventory, visual analogue scales.
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Assessment method [1]
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Timepoint [1]
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baseline and 6 weeks
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Secondary outcome [2]
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Mood changes: anxiety, speilberger state/trait anxiety inventory, panic state inventory, visual analogue scales
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Assessment method [2]
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Timepoint [2]
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Baesline and 6 weeks
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Secondary outcome [3]
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Mood changes: irritability, spielberger state/trait anger expression inventory, visual analogue scales.
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Assessment method [3]
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Timepoint [3]
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Baseline and six weeks.
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Secondary outcome [4]
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Psychiatric diagnosis: revised clinical interview schedule (CIS-R), also clinical diagnosis by a study psychiatrist
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Assessment method [4]
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Timepoint [4]
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Baseline and week 6. Any timepoint for duration of interferon treatment (the duration of interferon treatment is decided by the treating team independant from the study. It is usually either 6 months or 12 months duration depending upon the genotype of hepatitis C and the early response, measured by plasma viral load, to treatment.
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Eligibility
Key inclusion criteria
Hepatitis C, receiving interferon alpha treatment.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Current mental illness or drug/alcohol abuse at baseline. History of schizophrenia or bipolar affective disorder. Current unstable medical illness. Taking medicine that affect sleep EEG measures (antidepressants). Current occupational history of nightshift working
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Study design
Purpose
Natural history
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Duration
Longitudinal
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Selection
Convenience sample
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Timing
Prospective
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
1/07/2008
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Actual
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
15
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Accrual to date
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Final
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Recruitment outside Australia
Country [1]
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United Kingdom
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State/province [1]
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Bristol
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Funding & Sponsors
Funding source category [1]
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Charities/Societies/Foundations
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Name [1]
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David Telling Charitable trust
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Address [1]
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2nd Floor, Dolphin House
Bristol Royal Infirmary
Bristol BS2 8HW
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Country [1]
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United Kingdom
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Funding source category [2]
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Commercial sector/Industry
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Name [2]
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Schering-Plough
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Address [2]
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Shire Park
Welwyn Garden City
Hertfordshire
AL7 1TW
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Country [2]
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United Kingdom
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Primary sponsor type
Hospital
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Name
United Hospitals Bristol
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Address
Research and Effectiveness Department
Education Centre
Level 3
Upper Maudlin Street
Bristol BS2 8AE
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Country
United Kingdom
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Secondary sponsor category [1]
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None
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Name [1]
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Address [1]
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Country [1]
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Other collaborator category [1]
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University
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Name [1]
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University of Bristol
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Address [1]
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Psychopharmacology Unit,
Level 5, Dorothy Hodgkin Building,
Whitson Street,
Bristol
BS1 3NY
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Country [1]
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United Kingdom
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Bath Local Research Ethics Committee
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Ethics committee address [1]
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Room 11, John Apley Building Research Ethics Office Royal United Hospital Combe Park Bath BA1 3NG
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Ethics committee country [1]
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United Kingdom
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Date submitted for ethics approval [1]
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Approval date [1]
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04/06/2008
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Ethics approval number [1]
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08/H0101/76
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Summary
Brief summary
Hepatitis C is a condition that is often treated successfully with interferon. However, interferon treatment can sometimes cause mood problems, including depression. One possible reason for this is that interferon may affect a chemical called serotonin in the brain, which governs mood and sleep. No-one has studied changes in the brain’s serotonin system during interferon treatment. Discovering how interferon causes depression will help us to provide more effective treatment, or prevention, of this for future patients undergoing interferon treatment. It may also help us discover what is happening to the brain in other forms of depression. The purpose of this study is to measure the brain activity during sleep, before and during interferon treatment. This will give us a measure of how the brain’s serotonin system changes during interferon treatment and whether this can be linked to the development of depression. Hypothesis: there will be a shorter period until REM (dreaming sleep) and greater sleep fragmentation (more broken sleep) when patient are taking interferon compared to before treatment. Secondary hypothesis: the degree of sleep change will correlate with worsening scores upon mood, anxiety and irritability scales. Further hypothesis: the degree of sleep change may predict later episodes of depression further on in treatment
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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David Christmas
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Address
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Psychopharmacology Unit,
Level 5,
Dorothy Hodgkin Building,
Whitson Street,
Bristol,
BS1 3NY
UK
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Country
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United Kingdom
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Phone
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+44-(0)117-3313178
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Name
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David Christmas
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Address
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Psychopharmacology Unit,
Level 5,
Dorothy Hodgkin Building,
Whitson Street,
Bristol,
BS1 3NY
UK
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Country
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United Kingdom
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Phone
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+44-(0)117-3313178
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Fax
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Email
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[email protected]
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No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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