Trial to Determine the Maximum Tolerated Dose (MTD) Based on Safety and Tolerability, of Org 26576 in Participants With Major Depressive Disorder (174001/P05704/MK-8777-001)
Depression
About this trial
This is an interventional treatment trial for Depression focused on measuring randomized, placebo controlled, maximum tolerated dose
Eligibility Criteria
Inclusion Criteria:
- Female who is non-pregnant, nonlactating, using an acceptable method of birth control, or is not of child-bearing potential;
- be diagnosed with current major depressive disorder either mild or severe, as evidenced by a score of at least 9 but not more than 20 on the Quick Inventory of Depression Symptomatology - Clinician Rated (QIDS-C);
- be anti-depressant naïve;
- be able to refrain from all use of grapefruit containing products from the time of admission until the last assessment is performed at discharge;
- smokes less than or equal to 10 cigarettes or equivalent daily.
Exclusion Criteria:
- has any current and primary Axis I disorder other than major depressive disorder;
- has any history of bipolar I or II disorder, dysthymia, psychotic depression, psychotic disorders, posttraumatic stress disorder, borderline personality disorder, obsessive compulsive disorder, or eating disorder;
- the duration of the current depressive episode is longer than 2 years at screening;
- has any history of a significant suicide attempt, or poses a current risk of attempting suicide;
- is known to be human immunodeficiency virus (HIV) positive, or positive for hepatitis B surface antigen or hepatitis A antibodies or hepatitis C total antibodies;
- has any clinically significant concurrent endocrine, renal, respiratory, cardiovascular, hematological, immunological, cerebrovascular, neurological, malignancy, or any other concurrent medical condition, or has any history of diabetes mellitus;
- donation of blood within 60 days prior to the anticipated first dose of trial medication.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Arm 5
Arm 6
Arm 7
Arm 8
Arm 9
Arm 10
Arm 11
Experimental
Placebo Comparator
Experimental
Placebo Comparator
Experimental
Placebo Comparator
Experimental
Placebo Comparator
Experimental
Experimental
Placebo Comparator
Part 1: Block A MK-8777
Part 1: Block A Placebo
Part 1: Block B MK-8777
Part 1: Block B Placebo
Part 1: Block C MK-8777
Part 1: Block C Placebo
Part 1: Block D MK-8777
Part 1: Block D Placebo
Part 2: MK-8777 200 mg
Part 2: MK-8777 800 mg
Part 2: Placebo
Participants receive MK-8777 initiated at 100 mg BID and titrated to a maximum of 600 mg BID. Participants receive MK-8777 for a total of 16 days.
Participants receive placebo BID for a total of 16 days.
Participants receive MK-8777 initiated at 200 mg BID and titrated to a maximum of 600 mg BID. Participants receive MK-8777 for a total of 13 days.
Participants receive placebo BID for a total of 13 days.
Participants receive MK-8777 initiated at 300 mg BID and titrated to a maximum of 600 mg BID. Participants receive MK-8777 for a total of 10 days.
Participants receive placebo BID for a total of 10 days.
Participants receive MK-8777 initiated at 100 mg BID and titrated to a maximum dose determined by the results of Block A. Participants receive MK-8777 for a total of 13 days.
Participants receive placebo BID for a total of 13 days.
Participants receive MK-8777 100 mg BID for 27 days followed by one day of 100 mg QD. Participants receive MK-8777 for a total of 28 days.
Participants receive MK-8777 200 mg BID for 3 days followed by 400 mg BID for 24 days followed by one day of 400 mg QD. Participants receive MK-8777 for a total of 28 days.
Participants receive placebo BID for 27 days followed by one day of placebo QD. Participants receive placebo for 28 days.