Clinical trialNCT00705185CompletedObservational

Exploring a Potential Blood Test to Diagnose Major Depressive Disorder

SponsorMassachusetts General HospitalEnrollment120Major Depressive Disorder

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The purpose of this study is to develop a blood test for major depression and measure the effects of ziprasidone monotherapy on these markers. Specific Aim: Using a multiplex biomarker assay we will measure levels of 16 biomarkers in patients with MDD enrolled in this ancillary study (adjunct to study NCT00555997) and compare these results to those of healthy controls" (defined as research subjects who have not met criteria for any lifetime Axis-I disorder (DSM-IV)) from an existing dataset at PHB.

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Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

George I Papakostas, M.D.
Massachusetts General Hospital
Principal InvestigatorKOL profile →
clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

5 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

University of Connecticut Health Center
Farmington, Connecticut, United States
Psychiatric Medicine Associates, L.L.C.
Chicago, Illinois, United States
Massachusetts General Hosptial
Boston, Massachusetts, United States
Cambridge Health Alliance
Cambridge, Massachusetts, United States
Vanderbilt University Medical Center
Nashville, Tennessee, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 30 Apr 2008
Primary completion: 30 Jun 2010
Completion: 30 Jun 2010
Last update posted: 8 Jun 2010
Registered enrollment: 120
Registry id: NCT00705185

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.