NCT00816322

Brief Summary

The whole study was divided into two major parts: (A) the 12-week, double-blind, randomized controlled, parallel omega-3 fatty acid monotherapy study in 60 patients with mild to moderate major depressive disorder. (B) The double-blind, randomized controlled, parallel omega-3 fatty acid add-on prevention study in 60 patients with major depressive disorder in recovery status. The goals of this study were to examine the therapeutic and recurrence prevention effects of omega-3 fatty acids on major depressive disorder.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
120

participants targeted

Target at P75+ for not_applicable major-depressive-disorder

Timeline
Completed

Started Jan 2005

Longer than P75 for not_applicable major-depressive-disorder

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2005

Completed
4 years until next milestone

First Submitted

Initial submission to the registry

December 31, 2008

Completed
1 day until next milestone

First Posted

Study publicly available on registry

January 1, 2009

Completed
5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2014

Completed
11 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2014

Completed
Last Updated

April 14, 2015

Status Verified

April 1, 2015

Enrollment Period

9 years

First QC Date

December 31, 2008

Last Update Submit

April 13, 2015

Conditions

Outcome Measures

Primary Outcomes (1)

  • HAMD

    W0 W2 W4 W8 W12

Secondary Outcomes (3)

  • BDI

    W0 W2 W4 W8 W12

  • Adverse effects

    W0 W2 W4 W8 W12

  • Recurrence rate

    M0 M1 M2 M3 M4 M6

Study Arms (2)

omega-3 fatty acids

ACTIVE COMPARATOR

EPA 2.1 g/d+DHA 1.1 g/d

Dietary Supplement: Omega-3 fatty acids

Placebo

PLACEBO COMPARATOR

high oleic oil

Dietary Supplement: Placebo

Interventions

Omega-3 fatty acidsDIETARY_SUPPLEMENT

EPA 2.1 g/d+DHA 1.1 g/d

omega-3 fatty acids
PlaceboDIETARY_SUPPLEMENT

high oleic oil

Placebo

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • DSM-IV criteria for major depressive disorder.
  • Age being age 18-65.
  • Capacity and willingness to give written informed consent.

You may not qualify if:

  • Any major medical illnesses.
  • A recent or past history of any Axis-I diagnoses besides major depressive disorder, including psychotic disorders; cognitively impaired mental disorders; impulse control disorders; substance use disorder or substance abuse (last 6 months prior to the studies); primary anxiety disorders, including post-traumatic stress disorder and panic disorder; and bipolar disorders; or Axis-II diagnoses, i.e. borderline and antisocial personality disorder.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

China Medical University

Taichung, Taichung, 404, Taiwan

Location

Related Publications (1)

  • Appleton KM, Voyias PD, Sallis HM, Dawson S, Ness AR, Churchill R, Perry R. Omega-3 fatty acids for depression in adults. Cochrane Database Syst Rev. 2021 Nov 24;11(11):CD004692. doi: 10.1002/14651858.CD004692.pub5.

MeSH Terms

Conditions

Depressive Disorder, Major

Interventions

Fatty Acids, Omega-3

Condition Hierarchy (Ancestors)

Depressive DisorderMood DisordersMental Disorders

Intervention Hierarchy (Ancestors)

Dietary Fats, UnsaturatedDietary FatsFatsLipidsFatty Acids, UnsaturatedFatty AcidsFish OilsOils

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER GOV
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Researcher

Study Record Dates

First Submitted

December 31, 2008

First Posted

January 1, 2009

Study Start

January 1, 2005

Primary Completion

January 1, 2014

Study Completion

December 1, 2014

Last Updated

April 14, 2015

Record last verified: 2015-04

Locations