Safety and Efficacy of MK-6096 as Adjunctive Therapy in Participants With Major Depressive Disorder And Partial Response to Antidepressant Monotherapy (MK-6096-022)
Major Depressive Disorder, Recurrent
About this trial
This is an interventional treatment trial for Major Depressive Disorder, Recurrent focused on measuring Current depressive episode, moderate to severe
Eligibility Criteria
Inclusion Criteria:
- Participant is (a) male or (b) female and not of reproductive potential, or (c) female of reproductive potential has a serum beta-hCG level consistent with the nongravid state at screening and agrees to use acceptable contraception;
- Current primary diagnosis of recurrent major depressive disorder, without psychotic features, with a current moderate or severe depressive episode;
- Duration of the current major depressive episode must be at least 2 months but no more than 18 months at Screening;
- Participant has undergone an adequate trial of an antidepressant (one of identified SSRIs or SNRIs, or bupropion) for the current depressive episode.
Key Exclusion Criteria:
- Current primary psychiatric diagnosis other than major depression;
- Lifetime diagnosis of bipolar disorder, schizophrenia, schizoaffective disorder, or other psychotic disorder;
- Alcohol or other substance abuse or dependence (excluding nicotine);
- Clinically significant abnormality or disease of the central nervous system (including dementia and other cognitive disorders or traumatic brain injury);
- Imminent risk of self-harm or of harm to others;
- Participant is a psychiatric inpatient;
- Participant has been on continuous antidepressant treatment for >18 months prior to Screening visit;
- Inadequate response to more than 3 adequate antidepressant trials (including the current antidepressant treatment trial) for treatment of the current depressive episode;
- Participant ever received electroconvulsive therapy, transcranial magnetic stimulation, or vagal nerve stimulation for treatment of depression;
- History of narcolepsy, cataplexy, circadian rhythm disorder, parasomnia, sleep-related breathing disorder, restless legs syndrome, periodic limb movement disorder, excessive daytime sleepiness or difficulty sleeping due to a medical condition;
- Clinical, laboratory, or electrocardiogram (ECG) evidence of significant systemic disease;
- Cardiovascular event (e.g., myocardial infarction) or procedure (e.g., coronary artery bypass surgery) within 3 months of study;
- History of malignancy ≤5 years prior to study, except for adequately treated basal cell or squamous cell skin cancer or in situ cervical cancer;
- Body Mass Index >40 kg/m^2;
- Pregnancy, breast-feeding, or expecting to become pregnant.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Experimental
Placebo Comparator
Experimental
Placebo Comparator
Placebo Comparator
Filorexant 10 mg (Treatment Phase)
Placebo (Treatment Phase)
Filorexant 10 mg/Filorexant 10 mg (Run-out Phase)
Filorexant 10 mg/Placebo (Run-out Phase)
Placebo/Placebo (Run-out Phase)
Treatment Phase: Participants in this group were administered filorexant 10 mg once daily at bedtime for 6 weeks.
Treatment Phase: Participants in this group were administered placebo once daily at bedtime for 6 weeks.
Run-out Phase: Following completion of the 6-week treatment phase, participants in this group were administered filorexant 10 mg once daily at bedtime for 2 weeks. Participants in this group had received filorexant 10 mg once daily during the treatment phase.
Run-out Phase: Following completion of the 6-week treatment phase, participants in this group were administered placebo once daily at bedtime for 2 weeks. Participants in this group had received filorexant 10 mg once daily during the treatment phase.
Run-out Phase: Following completion of the 6-week Treatment Phase, participants in this group were administered placebo once daily at bedtime for 2 weeks. Participants in this group had received placebo once daily during the Treatment Phase.