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Completed Phase 4 Interventional Results available

Glutamatergic and GABAergic Mediators of Antidepressant Response in Major Depression

ClinicalTrials.gov ID: NCT01557946

Public ClinicalTrials.gov record NCT01557946. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 9, 2026, 4:06 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Primarily, this study seeks to evaluate whether citalopram treatment is associated with an increase in the Glutamine (Gln)/Glutamate (Glu) ratio in the anterior cingulate cortex (ACC) from baseline to day 3 of treatment. Additionally, this study would like to examine whether citalopram treatment is associated with an increase in the Gln/Glu ratio in the ACC from baseline to day 7 of treatment. In order to more fully examine baseline neurochemical and functional abnormalities in participants with MDD, we also seek to scan a group of age- and sex-matched non-depressed comparison individuals in order to perform between-group analyses of baseline neuroimaging measures.

Study identification

NCT ID
NCT01557946
Recruitment status
Completed
Study type
Interventional
Phase
Phase 4
Lead sponsor
Mclean Hospital
Other
Enrollment
32 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years to 65 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Feb 29, 2012
Primary completion
Aug 31, 2015
Completion
Aug 31, 2015
Last update posted
Sep 11, 2017

2012 – 2015

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
McLean Hospital Belmont Massachusetts 02478

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01557946, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Sep 11, 2017 · Synced Sep 9, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01557946 live on ClinicalTrials.gov.

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