Cortical GABA Concentrations in Insomnia
Public ClinicalTrials.gov record NCT00765752. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
The Association of Cortical GABA Concentrations in Subjects With Primary Insomnia and Depression in Partial Remission With Residual Insomnia
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Disturbances in the amino acid neurotransmitter (AANt), gamma-amino butyric acid (GABA) function are hypothesized to contribute to the neurobiology of Major Depressive Disorder (MDD) and insomnia. The principal objective of this project is to use magnetic resonance spectroscopy (MRS) to provide the first in vivo characterization of cortical GABA levels in individuals with primary insomnia, and to determine whether subjects with MDD, achieving a partial response with selective serotonin reuptake inhibitor treatment but still experiencing significant residual symptoms including insomnia, have altered levels of this neurotransmitter. The investigators are also exploring the correlation between cortical AANt levels and abnormalities in sleep parameters in primary insomnia and as a residual symptom of major depression.
Study identification
- NCT ID
- NCT00765752
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 23 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 25 Years to 55 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 31, 2007
- Primary completion
- May 31, 2011
- Completion
- May 31, 2011
- Last update posted
- Jan 20, 2013
2007 – 2011
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Yale Depression Research Program | New Haven | Connecticut | 06519 | — |
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 NCT00765752, 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 Jan 20, 2013 · Synced Sep 12, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00765752 live on ClinicalTrials.gov.