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Completed Phase 2 Interventional

A Research Study to Compare the Treatments of a Combination of Elzasonan With Zoloft, to Zoloft Alone, or Placebo in People With Major Depressive Disorder (MDD)

ClinicalTrials.gov ID: NCT00275197

Public ClinicalTrials.gov record NCT00275197. 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 26, 2026, 1:13 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

An Eight-Week, Double-Blind, Group-Sequential Design, Placebo Controlled Trial To Evaluate The Safety And Efficacy Of The Co- Administration Of Sertraline And Elzasonan (CP-448,187) In Outpatients With Major Depressive Disorder

Brief summary

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

The major purpose of the study is to help determine whether giving the combination of Elzasonan with Zoloft to people with depression is a better treatment than taking Zoloft alone. This study will also compare the safety and tolerability of Elzasonan and Zoloft combination to Zoloft alone or placebo.

Study identification

NCT ID
NCT00275197
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Pfizer
Industry
Enrollment
262 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
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
Nov 30, 2005
Primary completion
Not listed
Completion
Jun 30, 2007
Last update posted
Nov 2, 2008

2005 – 2007

United States locations

U.S. sites
4
U.S. states
4
U.S. cities
4
Facility City State ZIP Site status
Pfizer Investigational Site Beverly Hills California 90210 —
Pfizer Investigational Site Norwich Connecticut 06360 —
Pfizer Investigational Site New York New York 10023 —
Pfizer Investigational Site Beachwood Ohio 44122 —

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 15 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00275197, 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 Nov 2, 2008 · Synced Sep 26, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00275197 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →