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Efficacy and Tolerability of Escitalopram and Duloxetine in Outpatients With Major Depressive Disorder

Information source: H. Lundbeck A/S
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Major Depressive Disorder

Intervention: Escitalopram (Drug); Duloxetine (Drug)

Phase: Phase 4

Status: Completed

Sponsored by: H. Lundbeck A/S

Official(s) and/or principal investigator(s):
Email contact via H. Lundbeck A/S, Study Director, Affiliation: LundbeckClinicalTrials@lundbeck.com

Summary

The primary objective of this study was to compare the efficacy of escitalopram with that of duloxetine in outpatients with Major Depressive Disorder (MDD) after 24 weeks of treatment. The study hypothesis was that there were clinically important differences between the two drugs in terms of efficacy and adverse event profiles.

Clinical Details

Official title: A Double-blind, Randomised, Multicenter, Comparative Study of Escitalopram and Duloxetine in Outpatients With Major Depressive Disorder

Study design: Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Primary outcome: To compare the efficacy of escitalopram with that of duloxetine in outpatients with Major Depressive Disorder (MDD) as assessed by change in Montgomery-├ůsberg Depression Rating Scale (MADRS) total score at the end of 24 weeks

Secondary outcome:

To compare the efficacy of escitalopram with that of duloxetine per visit over the 24-week study period in outpatients with MDD.

To compare the tolerability and safety of escitalopram with that of duloxetine over the 24-week study period in outpatients with MDD.

To evaluate the discontinuation emergent signs and symptoms during and after taper-down treatment with escitalopram or duloxetine after 24 weeks of treatment assessed by the Discontinuation Emergent Signs and Symptoms Scale (DESS).

Detailed description: Depression is a common mental disorder that presents with depressed mood, loss of interest or pleasure, disturbed sleep or appetite, low energy, feelings of guilt or low self-worth, and poor concentration. The lifetime prevalence of Major Depressive Disorder (MDD) in community samples is 10-25% for women and 5-12% for men. Depression may become chronic or recurrent and lead to substantial impairments in an individual's ability to take care of his or her everyday responsibilities. At its worst, depression may lead to suicide. Depression is recurrent in 75-80% of patients and becomes chronic in 15-20% of depressed patients. The selective serotonin reuptake inhibitors (SSRIs) have become the leading class of antidepressants throughout the world. The efficacy and safety of SSRIs in the treatment of depression has been demonstrated in several clinical trials. With respect to safety, the studies show an advantage for the SSRIs over the older antidepressants. If the prescribing physicians are to make a well-founded judgement in their choice of drug factors like efficacy, safety, quality of life, and health economics must be taken into consideration. The primary aim of this study is to compare the efficacy of escitalopram with that of the serotonin norepinephrine reuptake inhibitors (SNRIs) duloxetine in the treatment of MDD.

Eligibility

Minimum age: 18 Years. Maximum age: 65 Years. Gender(s): Both.

Criteria:

Inclusion Criteria:

- The patient suffers from a primary diagnosis of MDD according to DSM-IV-TR criteria

(classification code 296. xx; current episode assessed using the MINI)

- The patient has a MADRS total score >=26 and a CGI-S score >=4 at the Baseline Visit

Exclusion Criteria:

- Any current psychiatric disorder other than MDD as defined in the DSM-IV TR

- Female patients of childbearing potential who are not using effective contraception

- Use of any psychoactive medication 2 weeks prior to screening and during the study

Other protocol-defined inclusion and exclusion criteria may apply.

Locations and Contacts

Additional Information

Starting date: September 2005
Last updated: June 21, 2010

Page last updated: August 23, 2015

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