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Ages Eligible for Study:
18 Years to 65 Years (Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Male or female out-subjects 18-65 years.
Single episode or recurrent MDD (to a maximum of 5 prior episodes).
No current therapy for depression as per washout instructions.
Able to provide written informed consent.
Meet criteria for MDD with current MDE through MINI questionnaire.
Meet criteria for MDD with current MDE, as defined by DSM-IV TR.
HAMD-17 score ≥ 14 at screening (visit 1) and baseline (Visit 2; Randomization).
Able to understand and complete questionnaires, and communicate with the investigator and study coordinator.
Judged to be reliable to keep all appointments and procedures required by the protocol.
Female subjects of childbearing potential (who are not at least 2 years postmenopausal or surgically sterile or totally abstinent) must be using a reliable, medically acceptable form of contraception and must agree to continue such use throughout the duration of the study. Reliable forms of contraception include oral, implanted, transdermal or injected contraceptives, intrauterine devices, and adequate double barrier methods including use of spermicide. Partner's vasectomy is also an acceptable contraceptive regimen.
Investigators and immediate family members.
Treatment within the last 90 days with a drug that had not received regulatory approval at the time of study entry.
Persons who had previously withdrawn from this study or previous study investigating CLR3001.
A primary diagnosis of Panic Disorder, Social Anxiety Disorder, Obsessive-Compulsive Disorder within the past year.
The presence of an Axis II disorder, which, in the opinion of the investigator, would interfere with compliance in the study.
History of active substance dependence within the last half-year, excluding nicotine and coffee, or active substance abuse that may interfere with the outcome of the study.
Acute suicidal ideation or risk, ≥3 on HAMD-17 suicide item.
Fall in HAMD-17 score greater than 20% between Visit 1 and Visit 2.
Serious concomitant diseases such as cancer, serious metabolic (e.g. Insulin dependent diabetes), renal, cardiac, thyroid, immunological, neurological or other significant disease or laboratory abnormality (hematology, blood chemistry, ECG), or treatment for medical conditions which may interact with CLR3001.
Women who are pregnant or breast-feeding, or men or women who plan to
Infirmities or living in an area limiting participation in the study or compliance with study procedures.