Trial Summary
What is the purpose of this trial?The goal of this clinical trial is to determine the impact of omega-3 fatty acids on the production of anti-inflammatory effects and clinical improvement in people with depression who have not responded well to standard antidepressant treatment. The main questions it seeks to answer are:
Do omega-3 fatty acids added to ineffective antidepressant treatment increase production of compounds that reduce inflammation?
Is the increase in these anti-inflammatory compounds associated with a stronger antidepressant effect?
Participants taking antidepressants that have not worked completely will be assigned at random for a 12-week period to one of the following:
an omega-3 preparation
an inactive placebo
During the course of the study, blood tests will be obtained for compounds associated with inflammation, and questionnaires to measure clinical improvement in depressive symptoms will be administered.
Eligibility Criteria
Adults with obesity and major depressive disorder (MDD) who haven't improved after 2-5 antidepressant treatments can join this trial. They must have a certain level of inflammation, speak English, and not be on conflicting medications or have serious health issues that could affect the study.Inclusion Criteria
I am between 18 and 65 years old.
Are currently experiencing depression
Have been on a current stable antidepressant regiment for at least 4 weeks
Have not responded to at least 2 and no more than 5 antidepressant trials during the current episode
Exclusion Criteria
Have a diagnosis of psychotic disorder, bipolar disorder, obsessive compulsive disorder, bulimia nervosa, or anorexia nervosa
Treatment Details
The trial is testing if omega-3 fatty acids can boost anti-inflammatory compounds and improve depression symptoms in patients whose antidepressants aren't fully effective. Participants will randomly receive either omega-3 supplements or a placebo for 12 weeks while their inflammation levels and mood are monitored.
2Treatment groups
Experimental Treatment
Placebo Group
Group I: Omega-3Experimental Treatment1 Intervention
Omega-3 fatty acid (ProEPA Xtra) capsules containing a total of 4 g/day of eicosapentaenoic acid (EPA), administered for 12 weeks.
Group II: PlaceboPlacebo Group1 Intervention
Placebo capsules containing soybean oil (about 54% omega-6 and 6% omega-3, but no EPA or docosahexaenoic acid (DHA)), and matched to the ProEPA Xtra capsules in terms of appearance, odor, and taste.
Find a clinic near you
Research locations nearbySelect from list below to view details:
University of UtahSalt Lake City, UT
Emory University School of MedicineAtlanta, GA
Depression Clinical and Research Program at Massachusetts General HospitalBoston, MA
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Who is running the clinical trial?
Massachusetts General HospitalLead Sponsor
University of UtahCollaborator
Emory UniversityCollaborator