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Ketamine for Depression: An MRI Study

Baseline Insular Dysfunction as a Predictor of Ketamine's Antidepressant Effects in Anxious Depression

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02544607
Enrollment
25
Registered
2015-09-09
Start date
2016-03-31
Completion date
2017-12-29
Last updated
2019-04-16

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anxious Depression, Depression, Major Depressive Disorder

Keywords

Ketamine, Depression, Anxious Depression, MRI

Brief summary

Ketamine has been shown to decrease symptoms of anxious depression quickly. This decrease has been shown to last for up to one month. MRI technology will be used before and after ketamine for patients with depression to examine the extent to which certain brain areas predict ketamine's antidepressant effects.

Detailed description

Ketamine's antidepressant effects were measured with Hamilton Depression Rating Scale (HDRS). MRI data will also be analyzed to examine the extent to which certain brain areas predict ketamine's antidepressant effects.

Interventions

DRUGKetamine

Ketamine 0.5mg/kg over 40 minutes IV

OTHERMagnetic Resonance Imaging (MRI)

MRI technology will be used before and after ketamine for patients with depression

Sponsors

Brain & Behavior Research Foundation
CollaboratorOTHER
National Institutes of Health (NIH)
CollaboratorNIH
Massachusetts General Hospital
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
OTHER
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 64 Years
Healthy volunteers
Yes

Inclusion criteria

Patients with Depression Patients will: 1. be 18-64 years old, 2. read, understand, and provide written informed consent in English, 3. meet criteria for a primary psychiatric diagnosis of major depressive disorder for ≥ 4 weeks, 4. have a history of ≥1 failed medication trial during the current depression 5. be on a stable antidepressant and psychotherapy regimen for ≥28 days, 6. maintain a treating doctor who is in agreement with study participation, 7. have a reliable chaperone accompany them home following the completion of the ketamine infusion day, 8. be generally healthy, as assessed by medical history, physical examination (including vital signs), clinical laboratory evaluations, and electrocardiogram (EKG), 9. be of non-childbearing potential or use of an acceptable form of birth control (females only), 10. be right handed.

Exclusion criteria

Patients with Depression Patients will be excluded if any of the following criteria are met: 1\) delirium or dementia diagnosis, 2) unstable medical illness or clinically significant laboratory results, 3) history of clinically significant cardiovascular disease or electrocardiogram (EKG) findings, or medical conditions that put the patient at risk for possible cardiac side effects or alter brain morphology (e.g., traumatic brain injury), 4) history of multiple adverse drug reactions, 5) current/past history of psychotic disorders, 6) active substance use disorders (except nicotine and caffeine) within the past six months or past history of ketamine/PCP abuse, 7) requirement of excluded medications that may interact with ketamine, 8) weigh \>250 lbs., 9) pregnancy, breastfeeding, or unacceptable means of birth control (females only) 10) presence of MRI contraindications (e.g., presence of metallic (ferromagnetic) implants (e.g., heart pacemaker, aneurysm clips)), 11) current serious suicidal or homicidal risk, or 12) concurrent participation in other research studies. \--------------------------------------------------------------------------------------- Inclusion Criteria: Healthy Controls Healthy Controls will: 1. be 18-64 years old, 2. read, understand, and provide written informed consent in English, 3. have a reliable chaperone accompany them home following the completion of the ketamine infusion day, 4. be generally healthy, as assessed by medical history, physical examination (including vital signs), clinical laboratory evaluations, and electrocardiogram (EKG), 5. be of non-childbearing potential or use of an acceptable form of birth control (females only), and 6. be right handed.

Design outcomes

Primary

MeasureTime frameDescription
Change in Hamilton Depression Rating Scale (HDRS) From Baseline/Minute 0 to 4 Hours Post-infusion.4 hoursHamilton Depression Rating Scale; possible scores range from 0 to 81 with higher scores indicating higher depression symptoms Change will be calculated by difference between HDRS from Minute 0 to Minute 240.

Secondary

MeasureTime frameDescription
Percent Change in Tissue Fractional Anisotropy Quantification (Left Inferior Longitudinal Fasciculus)4 hoursFree-water imaging, a two-compartment diffusion model, was employed to quantify tissue fractional anisotropy (FAt) pre- and post-infusion
Percent Change in Tissue Fractional Anisotropy Quantification (Right Inferior Longitudinal Fasciculus)4 hoursFree-water imaging, a two-compartment diffusion model, was employed to quantify tissue fractional anisotropy (FAt) pre- and post-infusion
Percent Change in Tissue Fractional Anisotropy Quantification (Left Superior Longitudinal Fasciculus)4 hoursFree-water imaging, a two-compartment diffusion model, was employed to quantify tissue fractional anisotropy (FAt) pre- and post-infusion
Percent Change in Tissue Fractional Anisotropy Quantification (Right Uncinate Fasciculus)4 hoursFree-water imaging, a two-compartment diffusion model, was employed to quantify tissue fractional anisotropy (FAt) pre- and post-infusion

Countries

United States

Participant flow

Recruitment details

As specified, the total number of participants enrolled are those who agreed to participate in the study following completion of the informed consent process (n=25). This number does not reflect the number of subjects who actually started treatment (n=16).

Participants by arm

ArmCount
Ketamine
All eligible participants will receive open label ketamine Ketamine: Ketamine 0.5mg/kg over 40 minutes IV
16
Total16

Baseline characteristics

CharacteristicKetamine
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
0 Participants
Age, Categorical
Between 18 and 65 years
16 Participants
Age, Continuous42 years
STANDARD_DEVIATION 14
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
15 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
1 Participants
Race (NIH/OMB)
Black or African American
0 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
Race (NIH/OMB)
White
14 Participants
Region of Enrollment
United States
16 participants
Sex: Female, Male
Female
8 Participants
Sex: Female, Male
Male
8 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 16
other
Total, other adverse events
1 / 16
serious
Total, serious adverse events
0 / 16

Outcome results

Primary

Change in Hamilton Depression Rating Scale (HDRS) From Baseline/Minute 0 to 4 Hours Post-infusion.

Hamilton Depression Rating Scale; possible scores range from 0 to 81 with higher scores indicating higher depression symptoms Change will be calculated by difference between HDRS from Minute 0 to Minute 240.

Time frame: 4 hours

ArmMeasureValue (MEAN)
KetamineChange in Hamilton Depression Rating Scale (HDRS) From Baseline/Minute 0 to 4 Hours Post-infusion.-9.625 score on a scale
p-value: <0.01t-test, 2 sided
Secondary

Percent Change in Tissue Fractional Anisotropy Quantification (Left Inferior Longitudinal Fasciculus)

Free-water imaging, a two-compartment diffusion model, was employed to quantify tissue fractional anisotropy (FAt) pre- and post-infusion

Time frame: 4 hours

Population: Reasons for missing data (N=3) included a scanner malfunction and participant requests to stop scanning prior to dMRI sequence acquisition.

ArmMeasureValue (NUMBER)
KetaminePercent Change in Tissue Fractional Anisotropy Quantification (Left Inferior Longitudinal Fasciculus).901 percent change
p-value: 0.048t-test, 2 sided
Secondary

Percent Change in Tissue Fractional Anisotropy Quantification (Left Superior Longitudinal Fasciculus)

Free-water imaging, a two-compartment diffusion model, was employed to quantify tissue fractional anisotropy (FAt) pre- and post-infusion

Time frame: 4 hours

Population: Reasons for missing data (N=3) included a scanner malfunction and participant requests to stop scanning prior to dMRI sequence acquisition.

ArmMeasureValue (NUMBER)
KetaminePercent Change in Tissue Fractional Anisotropy Quantification (Left Superior Longitudinal Fasciculus).696 percent change
p-value: 0.0499t-test, 2 sided
Secondary

Percent Change in Tissue Fractional Anisotropy Quantification (Right Inferior Longitudinal Fasciculus)

Free-water imaging, a two-compartment diffusion model, was employed to quantify tissue fractional anisotropy (FAt) pre- and post-infusion

Time frame: 4 hours

Population: Reasons for missing data (N=3) included a scanner malfunction and participant requests to stop scanning prior to dMRI sequence acquisition.

ArmMeasureValue (NUMBER)
KetaminePercent Change in Tissue Fractional Anisotropy Quantification (Right Inferior Longitudinal Fasciculus)1.247 percent change
p-value: 0.003t-test, 2 sided
Secondary

Percent Change in Tissue Fractional Anisotropy Quantification (Right Uncinate Fasciculus)

Free-water imaging, a two-compartment diffusion model, was employed to quantify tissue fractional anisotropy (FAt) pre- and post-infusion

Time frame: 4 hours

Population: Reasons for missing data (N=3) included a scanner malfunction and participant requests to stop scanning prior to dMRI sequence acquisition.

ArmMeasureValue (NUMBER)
KetaminePercent Change in Tissue Fractional Anisotropy Quantification (Right Uncinate Fasciculus)1.158 percent change
p-value: 0.038t-test, 2 sided

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026