Intervention: Edivoxetine
Trial phase: Phase 2
SMILES: [H][C@@]1([C@@](O)(Cc2cc(F)ccc2OC)C2CCOCC2)CNCCO1
Sex: All
Age groups: Adult | Older Adult
Healthy volunteers: No
Participants at risk: 111
Group description: LY2216684: Starting dose is 6 milligrams (mg), then titrated up to 9 mg, 12 mg, or 18 mg (3 tablets, varying in strength) administered orally, once daily for up to 10 weeks followed by a 2-week Taper Phase.
Eligibility criteria:
Inclusion Criteria:

Meet criteria for major depressive disorder (MDD) as defined by Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision® (DSM-IV-TR criteria)
Meet criteria for partial response to an adequate course of treatment defined by the investigator's opinion that participant had attained at least minimal improvement on their current Selective serotonin reuptake inhibitor (SSRI) treatment
Women of child-bearing potential must test negative for pregnancy and agree to use a reliable method of birth control
Grid Hamilton Rating Scale for Depression (GRID-HAMD17) total score greater than or equal 16 to at both study entry and study enrollment
SSRI treatment for at least 6 weeks at a stable dose for at least 2 weeks prior to study enrollment
Stated participant preference for augmentation rather than switching antidepressant treatment

Exclusion Criteria:

Are currently involved in or discontinued within the last 30 days from a clinical trial involving an off-label use of an investigational drug
Have previously completed or withdrawn from this study or any other study investigating LY2216684
Have had or currently have any additional ongoing DSM-IV-TR Axis 1 condition other than MDD
Have had any anxiety disorder preceding the onset of depression that was considered the primary diagnosis within 1 year of study entry
Have a current or previous diagnosis of Bipolar I or II, psychotic depression, schizophrenia or other psychotic disorder
Have a history of substance abuse within the past 1 year
Have an Axis II disorder which, in the judgment of the investigator, would interfere with compliance with the protocol
Have had a lack of response of the current depressive episode to 2 or more adequate courses of antidepressant therapy at a clinically appropriate dose for at least 4 weeks, or in the judgment of the investigator, the participant has treatment-resistant depression
Have a history of electroconvulsive therapy (ECT), transcranial magnetic stimulation (TMS), or psychosurgery within the last year
Women who are pregnant or breastfeeding
Participants who are judged to be at serious risk for harm to self or others
Have a serious or unstable medical illness
Have any diagnosed medical condition which could be exacerbated by noradrenergic agents including unstable hypertension, unstable heart disease, tachycardia or tachyarrhythmia, narrow angle glaucoma, or urinary hesitation or retention
Have a history of severe allergies to more than 1 class of medication or multiple adverse drug reactions
Have a history of any seizure disorder (other than febrile seizures)
Are taking noradrenergic psychotropic medications, such as tricyclic antidepressants or serotonin norepinephrine reuptake inhibitors (SNRI)
Have received treatment with a monoamine oxidase inhibitor (MAOI) within 14 days prior to study entry
Require psychotropic medication other than sedative/hypnotic medication for sleep
Are taking or have received treatment with any excluded medication within 7 days prior to study enrollment
Have a thyroid stimulating hormone (TSH ) level outside the established reference range
Have initiate or discontinued hormone therapy within the previous 3 months prior to enrollment
Initiation or change in intensity of psychotherapy or other non-drug therapies within 6 weeks prior to enrollment
A positive urine drug screen for any substance of abuse at study entry