Proof-of-Concept Trial of CERC-501 Augmentation of Antidepressant Therapy in Treatment-Resistant Depression

"Low dose of CERC-501 will be 10 mg/day during the first phase (3 days) and during the second phase (3 days).~High Dose of CERC-501 will be 20 mg/day during the first phase (3 days) and during the second phase (3 days).~For patients randomly assigned to the placebo/low-dose drug sequence, the patient will receive placebo for 3 days and then 10 mg/day CERC-501 for the following 3 days.~For patients randomly assigned to the placebo/high-dose drug sequence, the patient will receive placebo for 3 days and then 20 mg/day CERC-501 for the following 3 days."

"For patients randomly assigned to the placebo/ placebo sequence, study medication will be placebo during the first phase (3 days) and during the second phase (3 days).~For patients randomly assigned to the placebo/low-dose drug sequence, the patient will receive placebo for 3 days and then 10 mg/day CERC-501 for the following 3 days.~For patients randomly assigned to the placebo/high-dose drug sequence, the patient will receive placebo for 3 days and then 20 mg/day CERC-501 for the following 3 days."