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Completed Not applicable Interventional

Study for Evaluating Different Methods of Measuring Depression Treatment Response

ClinicalTrials.gov ID: NCT00406952

Public ClinicalTrials.gov record NCT00406952. 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 27, 2026, 3:46 AM EDT

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

Official title

A Phase 4 Randomized, Double-Blind, Placebo Controlled Methodology Study to Evaluate the Time of Onset of AntiDepressant Response in Subjects With Major Depressive Disorder

Brief summary

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

Purpose of the study is to evaluate use of electronic diaries and voice acoustics for use in future depression clinical trial. Focus is on increased precision of measurement.

Study identification

NCT ID
NCT00406952
Recruitment status
Completed
Study type
Interventional
Phase
Not applicable
Lead sponsor
Pfizer
Industry
Enrollment
165 participants

Conditions and interventions

Interventions

Procedure · Drug

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
Oct 31, 2006
Primary completion
Not listed
Completion
Jul 31, 2007
Last update posted
Aug 20, 2008

2006 – 2007

United States locations

U.S. sites
12
U.S. states
7
U.S. cities
10
Facility City State ZIP Site status
Pfizer Investigational Site Norwich Connecticut 06360 —
Pfizer Investigational Site Aventura Florida 33180 —
Pfizer Investigational Site Jacksonville Florida 32216 —
Pfizer Investigational Site Miami Florida 33125 —
Pfizer Investigational Site Miami Florida 33134 —
Pfizer Investigational Site Miami Florida 33143 —
Pfizer Investigational Site Orlando Florida 32806 —
Pfizer Investigational Site Atlanta Georgia 30328 —
Pfizer Investigational Site Elmsford New York 10523 —
Pfizer Investigational Site Memphis Tennessee 38119 —
Pfizer Investigational Site Plano Texas 75024 —
Pfizer Investigational Site Midvale Utah 84047 —

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 NCT00406952, 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 Aug 20, 2008 · Synced Sep 27, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00406952 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →