ISRCTN ISRCTN73221288
DOI https://doi.org/10.1186/ISRCTN73221288
Secondary identifying numbers N/A
Submission date
28/04/2006
Registration date
28/04/2006
Last edited
26/03/2018
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 of protocol

Not provided at time of registration

Contact information

Dr W.W. Broek, van den
Scientific

Erasmus Medical Center
Department of Psychiatry
PO Box 2040
Rotterdam
3000 CA
Netherlands

Email w.w.vandenbroek@erasmusmc.nl

Study information

Study designDouble-blind randomized single-centre study with a washout period comparing 2 treatment strategies
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Not specified
Study typeTreatment
Participant information sheet Not available in web format, please use the contact details to request a patient information sheet
Scientific titlePharmacological treatment of depression
Study acronymVenla study
Study objectives1. Imipramine and Venlafaxine are comparable in efficacy in inpatients with a major depression
2. Imipramine and Venlafaxine are comparable in tolerability
3. Patients with a Venlafaxine plasma level <195 µg/l show comparable antidepressant efficacy as patients with a Venlafaxine plasma level >195 µg/l
4. Imipramine and Venlafaxine are comparable in efficacy during 4 months follow-up
5. Imipramine and Venlafaxine are comparable in tolerability during 4 months follow-up
Ethics approval(s)Ethics approval received from the local medical ethics committee
Health condition(s) or problem(s) studiedDepression
Intervention1. Venlafaxine (maximum dose 375 mg)
2. Imipramine (dose adjustment to adequate plasma levels of 200-300 µg/l)
Intervention typeDrug
Pharmaceutical study type(s)
PhaseNot Applicable
Drug / device / biological / vaccine name(s)Imipramine, Venlafaxine
Primary outcome measureChange in HRSD scores.
Secondary outcome measures1. Change in CGI scores
2. Response defined as >50% reduction on HRSD compared to baseline
3. Remission defined as an end score of <7 on the HRSD
Overall study start date01/06/2004
Completion date01/01/2008

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
Upper age limit65 Years
SexBoth
Target number of participants138
Key inclusion criteriaFor inclusion in the trial, patients must fulfill all of the following criteria:
1. Age 18-65
2. Major depressive disorder, single or recurrent episode (Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition [DSM-IV])
3. Hamilton Rating Scale for Depression (HRSD) (17 item) >/= 14
4. Written informed consent
Key exclusion criteriaAny of the following is regarded as a criterion for exclusion from the trial:
1. Patients who are incapable of understanding the information and of giving informed consent. Also, patients who are unable to read or write
2. Major depression with psychotic features (separate study)
3. Bipolar I or II disorder
4. Schizophrenia or other primary psychotic disorder
5. Treatment of current episode with adequate trial of Imipramine or Venlafaxine
6. Drug/alcohol dependence in the last 3 months
7. Mental retardation (IQ <80)
8. Women: pregnancy or possibility for pregnancy and no adequate contraceptive measures. Breastfeeding.
9. Serious medical illness affecting central nervous system (CNS) e.g. M. Parkinson, systemic lupus erythematosus (SLE), brain tumor, cerebrovascular accident (CVA)
10. Relevant medical illness as contra-indications for the use of study medication (Venlafaxine and Imipramine), such as recent myocardial infarction and severe liver or kidney failure
11. Medication affecting CNS e.g. antidepressants and/or antipsychotics other than study medication, steroids (prednison), mood stabilisers, benzodiazepines (if not being tapered): >3 mg lorazepam (or equivalent)
12. Direct electroconvulsive therapy (ECT) indication (e.g. very severely suicidal or refusal of food and drinking resulting in life threatening situation)
13. Contra-indications for Lithium (Moleman, 1998):
13.1. Kidney failure
13.2. Acute myocardial infarction
13.3. Myasthenia gravis
13.4. Breastfeeding
Date of first enrolment01/06/2004
Date of final enrolment01/01/2008

Locations

Countries of recruitment

  • Netherlands

Study participating centre

Erasmus Medical Center
Rotterdam
3000 CA
Netherlands

Sponsor information

Erasmus Medical Center (The Netherlands)
University/education

P.O. Box 2040
Rotterdam
3000 CA
Netherlands

ROR logo "ROR" https://ror.org/018906e22

Funders

Funder type

Industry

Wyeth
Private sector organisation / For-profit companies (industry)
Location
United States of America

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 01/07/2017 Yes No

Editorial Notes

26/03/2018: Publication reference added.