A Safety, Efficacy and Tolerability Study of SEP-225289

ClinicalTrials.gov ID: NCT00584974

Public ClinicalTrials.gov record NCT00584974. 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.

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ClinicalTrials.gov public records Last synced Oct 25, 2026, 9:52 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 Double-Blind, Placebo-Controlled Study Examining The Safety, Efficacy, and Tolerability of SEP-225289 in Subjects With Major Depressive Disorder (Including Atypical and Melancholic Features)

Brief summary

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

To determine the safety, efficacy and tolerability of SEP-225289 in subjects with Major Depressive Disorder

Study identification

NCT ID: NCT00584974
Recruitment status: Completed
Study type: Interventional
Phase: Phase 2
Lead sponsor: Sumitomo Pharma America, Inc.; Industry
Enrollment: 523 participants

Conditions and interventions

Conditions

Depressive Disorder, Major

Interventions

Drug

Eligibility (public fields only)

Age range: 18 Years to 55 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: Dec 2007 (Type not available)
Primary completion: May 2009 (Actual)
Completion: May 2009 (Actual)
Last update posted: Feb 23, 2012

2007 – 2009

United States locations

U.S. sites: 51
U.S. states: 22
U.S. cities: 46

Facility	City	State	ZIP	Site status
Not listed	Little Rock	Arkansas	72211	—
Not listed	Arcadia	California	91007	—
Not listed	Beverly Hills	California	90210	—
Not listed	Costa Mesa	California	92626	—
Not listed	Garden Grove	California	92845	—
Not listed	Glendale	California	91204	—
Not listed	Irvine	California	92618	—
Not listed	Lafayette	California	94549	—
Not listed	Oceanside	California	92056	—
Not listed	San Diego	California	92103	—
Not listed	Upland	California	91786	—
Not listed	Denver	Colorado	80204	—
Not listed	Denver	Colorado	80239	—
Not listed	New Britain	Connecticut	06050	—
Not listed	Bradenton	Florida	34208	—
Not listed	Fort Myers	Florida	33912	—
Not listed	Jacksonville	Florida	32216	—
Not listed	Lauderhill	Florida	33139	—
Not listed	Maitland	Florida	32751	—
Not listed	North Miami	Florida	33161	—
Not listed	Sanford	Florida	32771	—
Not listed	Atlanta	Georgia	30328	—
Not listed	Atlanta	Georgia	30341	—
Not listed	Smyrna	Georgia	30080	—
Not listed	Park Ridge	Illinois	60068	—
Not listed	Lake Charles	Louisiana	70601	—
Not listed	Boston	Massachusetts	02135	—
Not listed	Braintree	Massachusetts	02184	—
Not listed	Flowood	Mississippi	39232	—
Not listed	Saint Charles	Missouri	63301	—
Not listed	Clementon	New Jersey	08021	—
Not listed	Albuquerque	New Mexico	87109	—
Not listed	Brooklyn	New York	11235	—
Not listed	New York	New York	10021	—
Not listed	New York	New York	10023	—
Not listed	New York	New York	10075	—
Not listed	The Bronx	New York	10454	—
Not listed	The Bronx	New York	10467	—
Not listed	Raleigh	North Carolina	27609	—
Not listed	Cincinnati	Ohio	45227	—
Not listed	Dayton	Ohio	45408	—
Not listed	Middleburg Heights	Ohio	44130	—
Not listed	Oklahoma City	Oklahoma	73112	—
Not listed	Portland	Oregon	97210	—
Not listed	Philadelphia	Pennsylvania	19149	—
Not listed	Austin	Texas	78756	—
Not listed	Dallas	Texas	75231	—
Not listed	Houston	Texas	77040	—
Not listed	Irving	Texas	75062	—
Not listed	Midlothian	Virginia	23112	—
Not listed	Seattle	Washington	98104	—

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 NCT00584974, 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 Feb 23, 2012 · Synced Oct 25, 2026

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT00584974 live on ClinicalTrials.gov.

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