NMDA Antagonists in Bipolar Depression

The purpose of this study is to test whether ketamine and D-cycloserine can be safely and effectively used for the treatment of depression. The investigators hypothesize that ketamine will serve as a rapid acting and safe antidepressant in patients with bipolar depression, and furthermore, that D-cycloserine will serve as an effective therapy following ketamine treatment.

Trial Details



Trial Number

Sponsors & Collaborators

New York State Psychiatric Institute
The New York State Psychiatric Institute (NYSPI), established in 1895, was one of the first institutions in the United States to integrate teaching, research and therapeutic approaches to the care of patients with mental illnesses.

Measures Used

Hamilton Depression Rating Scale
The Hamilton Depression Rating Scale (HDRS) is a multiple item questionnaire used to provide an indication of depression, and as a guide to evaluating recovery. The scale consists of 17 items which each item being scoring on a 3 or 5 point scale. The higher the score, the more likely a person is depressed.

Hamilton Anxiety Scale
The Hamilton Anxiety Scale (HAM-A) was one of the first rating scales developed to measure the severity of anxiety symptoms and is still widely used today in both clinical and research settings.

Beck Depression Inventory
The Beck Depression Inventory (BDI) contains 21 self-report items, completed using a multiple-choice format. Scores range from 0-63 with higher scores associated with more severe depression.

Data attribution

A large set of the trials in our database are sourced from ClinicalTrials.gov (CTG). We have modified these post to display the information in a more clear format or to correct spelling mistakes. Our database in actively updated and may show a different status (e.g. completed) if we have knowledge of this update (e.g. a published paper on the study) which isn't reflected yet on CTG. If a trial is not sourced from CTG, this is indicated on this page and you can follow the link to the alternative source of information.