Please select the eligibility criteria that correspond to the clinical trial below.
Title: A Double-Blind, Placebo-Controlled Study of Ethyl Eicosapentanoic Acid (Ethyl-EPA) in Major Depressive Disorder
Brief Summary: The purpose of this study is to examine the effectiveness of ethyl-eicosapentanoic acid (ethyl-EPA), an omega-3 fatty acid, in treating depression.


Options:
A: Inclusion Criteria:

* Major depressive disorder

Exclusion Criteria:

* Serious comorbid psychiatric disorder
* Unstable medical illness
* Prior use of any omega-3 fatty acid product
B: Inclusion Criteria:

* 12 to 19 years old (inclusive) of both sexes and all ethnic/racial groups.
* DSM-IV-TR criteria for MDD
* MDD Duration of at least 8 weeks and a severity score of at least 40 on the CDRS-R.
* Age at first onset MDD of at least 12 years.
* No significant medical or neurological disorder
* For female subjects, negative pregnancy test at time of enrollment.
* Female subjects who are sexually active and not using a method of birth control will be excluded. Use of hormonal contraceptives (such as prescribed "birth control pills" or a prescribed birth control implant) is not exclusionary.
* Subjects must be able to swallow capsules.
* A minimum IQ of 80 will be required.

Exclusion Criteria:

* Current or Past DSM-IV-TR diagnoses of bipolar disorder, schizophrenia, psychosis, autism/pervasive developmental disorder (PDD), and Tourette's disorder (TD).
* Current diagnosis of eating disorder, panic disorder, obsessive-compulsive disorder (OCD), post traumatic stress disorder (PTSD), conduct disorder, and substance related disorders other than nicotine.
* Current suicidal ideation with intent or plan, or who may pose a danger to themselves.
* Current antidepressant treatment will be excluded. Past antidepressant treatment will not be exclusionary, so long as patients are off antidepressant medication for 60 days prior to study entry. No individual will be advised to terminate ongoing treatment.
* Certain short half-life medications, such as vitamins that contain unidentified ingredients, St. Johns Wort, S-adenosyl Methionine (SAM), clonidine, and some over-the-counter medications.
* A minimum of 90 days off of treatment with long half life medications, such as neuroleptics, prior to study entry is required. Stimulant medication treatment for ADHD will not be exclusionary.
* If adolescents have been in psychotherapy prior to their entry in the study, they will be allowed to continue with the treatment. However, psychotherapy cannot be initiated at the time of study entry.
C: Inclusion Criteria:

* Meets the DSM-IV criteria for a current major depressive episode
* Score of 15 or higher on the Beck Depression Inventory II
* History of acute myocardial infarction, unstable angina, or documented coronary disease

Exclusion Criteria:

* Physician or patient refusal
* Lives far away from study site
* Current alcohol or drug abuse
* Psychosis, dementia, or bipolar disorder
* Already taking Omega-3
* Medically ill or disabled such that patient is unable to participate
* Comorbid illness likely to be fatal within 1 year of study entry
* Seizure disorder or takes anticonvulsants
* Pregnant or breast feeding
* Liver or kidney disease
* Severe hypertriglyceridemia (greater than 400 mg/dL)
* Bleeding or clotting disorder
* Type 2 diabetes with a hemoglobin A1c (HbA1c) level greater than 10
* Taking lithium or monoamine oxidase inhibitor (MAO-I)
D: Inclusion Criteria:

* Eligible participants will be adult patients with chronic HCV, assessed by hepatologists and then referred for IFN-α therapy and have capacity and willingness to give written informed consent

Exclusion Criteria:

* Patients will be excluded if they have major depressive episode at assessment
* Any history of pre-existing psychotic disorders (e.g. schizophrenia or bipolar disorder)
* Alcohol or drug dependence within one year before entry into the study
* Seizure disorders and evidence of any unstable substantial coexisting medical conditions (e.g. cardiovascular, endocrine, haematological, renal, or neurological diseases)

Answer: A