Major Depressive Disorder Clinical Trial
Official title:
The Antidepressant Action of Ketamine: Brain Chemistry
Verified date | December 2019 |
Source | Columbia University |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Depressed patients will be offered experimental treatment with a new, potentially fast-acting
antidepressant called ketamine while being scanned by magnetic resonance imaging (MRI) to
measure the chemical effect of the drug. Ketamine will be given in a dose of 0.0 (placebo),
0.1, 0.2, 0.3, 0.4, or 0.5 mg/kg. If a patient does not respond to ketamine after the first
infusion, it may be because s/he received ketamine placebo or the dose of ketamine was too
low. In that case, an optional second scan and infusion of active ketamine (0.5 mg/kg) will
be offered. This second scan will occur no later than weeks after the first scan/infusion (as
scheduling permits). There is no guarantee that the patient will respond to the second
ketamine infusion. Patients enrolled in the study are eligible for up to 6 months treatment
with their study psychiatrist after the ketamine infusion(s).
Healthy Volunteers: Healthy controls will receive an infusion of ketamine at a single dose
(0.5 mg/kg). Volunteers will only receive one MRI scan and infusion.
Status | Completed |
Enrollment | 38 |
Est. completion date | October 2019 |
Est. primary completion date | May 2015 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 65 Years |
Eligibility |
Patient Inclusion Criteria: - Patient suffering from a major depressive episode (MDE) as part of an major depressive disorder (MDD). Patients may be psychiatric medication-free or, if on psychiatric medications, not responding adequately. - Patient scores at least 22 on the Montgomery-Åsberg Depression Rating Scale (MADRS) - Age range 18-65 years - Patient is off all psychotropic and other types of drugs likely to interact with glutamate for at least 14 days before starting the study with an exception of chloral hydrate or short acting benzodiazepines for distressing anxiety or insomnia - Subject is likely to be able to tolerate a medication washout - Female subjects of child-bearing potential must be using an acceptable method of birth control throughout the study. - Must be enrolled in New York Psychiatric Institute (NYSPI) study #4815 Patient Exclusion Criteria: - Lifetime history of schizophrenia,schizoaffective illness, Bipolar Disorder, or psychosis. - First-degree relative with schizophrenia, schizoaffective disorder, or bipolar disorder if the subject is less than 33 years old - Significant uncontrolled physical illness particularly if it may affect the brain or glutamatergic system including blood dyscrasias lymphomas, hypersplenism, endocrinopathies, renal failure or severe chronic obstructive lung disease, autonomic neuropathies and active malignancy. - Subjects will be excluded for baseline hypertension (BP>140/90) or significant history of cardiovascular illness - Significant ECG abnormalities - Lacks capacity to consent - Patients who are actively suicidal as defined by a suicidal ideation score of 4 or 5 or suicidal behavior score > 0 on the Columbia Suicide Severity Rating Scale (C-SSRS) at in-person screening interview will be excluded from participating as outpatients and may only participate as inpatients if the independent inpatient treatment team agrees with the plan to enroll the patient. - Electroconvulsive therapy (ECT) within the last 3 months for this episode - Pregnancy or plans to conceive during the course of study participation - Heart pacemaker, body implant or other metal in body - A neurological disease or prior head trauma with evidence of cognitive impairment. - Patients who are responding satisfactorily to antidepressant medications because they will not be washed-out for purposes of this study - Claustrophobia sufficient to preclude MRI - Irremovable medicinal patch - Prior ineffective trial of, or adverse effect to, ketamine - Subjects judged unlikely to be able to tolerate a psychoactive medication washout of 14 days - Inadequate understanding of English - IV drug use or history of ketamine use as a recreational drug = 2 times or an adverse reaction to ketamine Control Inclusion Criteria: - Age 18-65 - Physically healthy - Absence of an Axis I diagnosis (specific phobia acceptable). Absence of Borderline Personality Disorder and Antisocial Personality Disorder. - Not on any medications known to affect glutamatergic functioning - Female subjects of child-bearing potential must be using an acceptable method of birth control throughout the study. - Must be enrolled in NYSPI protocol #4815 Control Exclusion Criteria: - First degree relative with MDD; first degree relative with Schizophrenia, Schizoaffective Disorder, Bipolar disorder, if the subject is less than 33 years old, and therefore still at significant risk - Significant active physical illness particularly if it may affect the brain or glutamatergic system including blood dyscrasias lymphomas, hypersplenism, endocrinopathies, renal failure or severe chronic obstructive lung disease,autonomic neuropathies and active malignancy. - Subjects will be excluded for baseline hypertension (BP>140/90) or significant history of cardiovascular illness. - Significant ECG abnormalities - Pregnancy or plans to conceive during the course of study participation - Heart pacemaker, body implant or other metal in body - A neurological disease or prior head trauma with evidence of cognitive impairment. - Claustrophobia sufficient to preclude MRI - Irremovable Medicinal patch - Inadequate understanding of English - Lifetime history of substance dependence,current or past substance abuse will be excluded; IV drug use or history of ketamine use as a recreational drug = 2 times or an adverse reaction to ketamine will be excluded. |
Country | Name | City | State |
---|---|---|---|
United States | New York State Psychiatric Institute | New York | New York |
Lead Sponsor | Collaborator |
---|---|
Columbia University | National Institute of Mental Health (NIMH) |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Number of Responders 24-hours Post-ketamine Infusion | The quantitative depressive symptom ratings were collected at Baseline, Day 1 (post ketamine), Day 3 using HDRS-24 (a 24-item questionnaire used to provide an indication of depression, and as a guide to evaluate recovery). The total score can range from 0 to a maximum score of 15 with a higher score indicating a worse outcome. A "responder" was defined as an individual exhibiting a reduction in the HDRS score from baseline to 24 hours (day 1) post-treatment, and all other individuals were classified as non-responders. | Day 1 (post ketamine) | |
Secondary | Change in Glutamate Levels | The dose-response curve as it refers to ketamine inducing a dose-dependent increase in glutamate levels with 1H Magnetic Resonance Spectroscopy (MRS) will be analyzed. | Baseline and 120 minutes after infusion | |
Secondary | Change in Gamma-Amino Butyric Acid (GABA) Levels | The dose-response curve as it refers to ketamine inducing a dose-dependent increase in GABA levels measured with 1H Magnetic Resonance Spectroscopy (MRS) will be analyzed. | Baseline and 120 minutes after infusion |
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