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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00869765
Registration number
NCT00869765
Ethics application status
Date submitted
25/03/2009
Date registered
26/03/2009
Date last updated
10/09/2010
Titles & IDs
Public title
Transcranial Direct Current Stimulation (tDCS) Augmentation by D-Cycloserine as a Treatment for Depression
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Scientific title
An Open Pilot Trial of Transcranial Direct Current Stimulation (tDCS) Augmented by D-Cycloserine as a Treatment for Depression.
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Secondary ID [1]
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09052
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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:
Major Depressive Disorder
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Bipolar Disorder
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Condition category
Condition code
Mental Health
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Depression
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Mental Health
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Other mental health disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - D-Cycloserine
Treatment: Devices - tDCS (Eldith DC-Stimulator (CE certified))
Experimental: tDCS and D-CYC - Major Depression tDCS and D-cyc
Treatment: Drugs: D-Cycloserine
100 mg D-cycloserine once every weekday taken 2 hours before tDCS session.
Treatment: Devices: tDCS (Eldith DC-Stimulator (CE certified))
tDCS session lasting continuously for 20 minutes at 2 mA. Conductive rubber electrodes (7 x 5 cm, 35 cm2) covered by sponges soaked in saline will be used, held in place by a head band. The current will be gradually increased to the level of 2 mA over 30 seconds (to avoid the sensation of a flash).
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Intervention code [1]
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Treatment: Drugs
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Intervention code [2]
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Treatment: Devices
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Inventory of Depressive Symptomatology (IDS-C)
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Assessment method [1]
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Timepoint [1]
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6 months
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Secondary outcome [1]
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Montgomery Asberg Depression Rating Scale for Depression (MADRS)
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Assessment method [1]
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Timepoint [1]
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6 months
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Eligibility
Key inclusion criteria
1. Subject met inclusion criteria for study HREC 07305 (a sham controlled study of transcranial direct current stimulation (tDCS) as a treatment for depression).
2. Subject completed study HREC 07305.
3. Subject either did not reach remission at the end of trial (defined as MADRS score of = 10) or suffered an early relapse (within a month of finishing the trial).
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Minimum age
18
Years
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Maximum age
90
Years
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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
1. Diagnosis (as defined by DSM-IV) of: any psychotic disorder (lifetime); bipolar disorder; eating disorder (current or within the past year); obsessive compulsive disorder (lifetime); post-traumatic stress disorder current or within the past year); mental retardation.
2. History of drug or alcohol abuse or dependence (as per DSM-IV criteria) within the last 3 months (except nicotine and caffeine).
3. Inadequate response to ECT in the current episode of depression.
4. Subject is on regular benzodiazepine medication which it is not clinically appropriate to discontinue.
5. Subject requires a rapid clinical response due to inanition, psychosis or high suicide risk.
6. Neurological disorder or insult, e.g., recent stroke (CVA), which places subject at risk of seizure or neuronal damage with tDCS.
7. Subject has metal in the cranium, skull defects, or skin lesions on scalp (cuts, abrasions, rash) at proposed electrode sites.
8. Female subject who is pregnant, or of child-bearing age, sexually active and not using reliable contraception (urine test for pregnancy will be used)
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Study design
Purpose of the study
Treatment
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Allocation to intervention
NA
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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Other design features
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Phase
Phase 2
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/04/2009
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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
1/09/2010
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Sample size
Target
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Accrual to date
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Final
5
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Recruitment in Australia
Recruitment state(s)
NSW
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Recruitment hospital [1]
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Black Dog Institute, University of New South Wales - Randwick
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Recruitment postcode(s) [1]
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2032 - Randwick
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Funding & Sponsors
Primary sponsor type
Other
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Name
The University of New South Wales
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
Among antidepressant treatments, Electroconvulsive therapy (ECT) stands as the most effective in treating acute depression. However, patient concerns with the cognitive side effects of ECT have encouraged the development of new and more focal forms of brain stimulation such as transcranial Direct Current Stimulation (tDCS). The investigators' current study of tDCS as a treatment for depression suggests that this technique has antidepressant effects and is safe, painless and well tolerated. However, not all patients may respond to this treatment and the concern of possible relapse in some patients who respond to tDCS has raised interest in finding treatments that may enhance and prolong the antidepressant effects of tDCS. This study will investigate whether D-Cycloserine, a medication shown to lengthen the effects of tDCS on brain activity, can also enhance/prolong the antidepressant effects of tDCS in people suffering from depression.
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Trial website
https://clinicaltrials.gov/study/NCT00869765
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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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Colleen Loo
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Address
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University of New South Wales
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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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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 scientific queries
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
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT00869765
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