Deep brain stimulation (DBS) of the nucleus accumbens in treatment-refractory patients with obsessive-compulsive disorder (OCD)

ISRCTN ISRCTN23255677
DOI https://doi.org/10.1186/ISRCTN23255677
Secondary identifying numbers N/A
Submission date
07/06/2006
Registration date
07/06/2006
Last edited
30/05/2013
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Mental and Behavioural Disorders
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English Summary

Not provided at time of registration

Contact information

Dr P.R. Schuurman
Scientific

Academic Medical Center (AMC)
Department of Neurosurgery
P.O. Box 22660
Amsterdam
1100 DD
Netherlands

Phone +31 (0)20 5669111
Email p.r.schuurman@amc.nl

Study information

Study designRandomized, placebo-controlled trial
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Not specified
Study typeTreatment
Scientific title
Study hypothesisDBS in the nucleus accumbens can lead to long-term improvement of obsessive-compulsive symptoms and functioning, without unacceptable side-effects.
Ethics approval(s)Not provided at time of registration
ConditionObsessive-compulsive disorder (OCD)
InterventionStereotactic implantation of bilateral DBS electrodes in the nucleus accumbens.
Placebo: no stimulation.
Intervention typeOther
Primary outcome measure1. Change on the Y-BOCS
2. Number of responders, defined as a decrease on the Y-BOCS >35%
Secondary outcome measures1. Hamilton Depression Rating Scale (HDRS-17)
2. Hamilton Anxiety Scale (HAS)
3. Symptom Checklist 90 (SCL-90)
4. Quality of life enjoyment and satisfaction questionnaire
5. Sheehan Disability Scale (SDS)
6. Clinical Global Impression (CGI)
7. Y-BOCS checklist
Overall study start date27/03/2006
Overall study end date01/07/2007

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
SexBoth
Target number of participants16
Participant inclusion criteria1. Primary diagnosis: OCD (300.3) according to Diagnostic and Statistical Manual of Mental Disorders - Fourth Edition (DSM-IV) criteria using the mini-international neuropsychiatric interview (MINI) plus interview as a diagnostic instrument
2. Illness duration >5 years
3. Yale-Brown obsessive-compulsive scale (Y-BOCS) total >27, measured twice at least two weeks apart
4. Disabling severity with substantial functional impairment according to the DSM-IV criterion C and a global assessment of function (GAF) score of <45
5. Age 18 - 65 years
6. Written informed consent
7. Able to fully understand the consequences of the procedure (intelligence quotient [IQ] >80)
8. Dutch speaking and able to answer all study questions
9. Capable to make his or her own choice without coercion
10. Treatment refractory is defined as no response or insufficient response (still fulfilling the inclusion criteria) following:
a. Two treatments with a selective serotonin reuptake inhibitor (SSRI) at a maximum dose for and least 12 weeks
b. One treatment with clomipramine at the maximum dose for at least 12 weeks, with assessment of clomipramine/desmethylclomipramine plasma levels to control for sufficient bioavailability
c. At least one augmentation trial with an a typical antipsychotic for 8 weeks in combination with an SSRI
d. At least one (cognitive) behavioural therapy trial for 16 weeks in combination with an effective drug for the treatment of OCD
Participant exclusion criteriaAny of the following unstable physical conditions: Parkinson's disease, dementia, epilepsy, schizophrenia or history of psychosis, alcohol or substance abuse during last 6 months, current tic disorder, antisocial personality disorder, body dismorphic disorder, pregnancy, use of psychiatric medication other than stable use of one SSRI or clomipramine, one benzodiazepine, one atypical antipsychotic.
Recruitment start date27/03/2006
Recruitment end date01/07/2007

Locations

Countries of recruitment

  • Netherlands

Study participating centre

Academic Medical Center (AMC)
Amsterdam
1100 DD
Netherlands

Sponsor information

Academic Medical Center (AMC) (The Netherlands)
University/education

P.O. Box 22660
Amsterdam
1100 DD
Netherlands

ROR logo "ROR" https://ror.org/03t4gr691

Funders

Funder type

University/education

Academic Medical Center (AMC)
Private sector organisation / Universities (academic only)
Alternative name(s)
Academic Medical Center, AMC
Location
Netherlands

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 01/10/2010 Yes No
Results article results 01/02/2014 Yes No