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NCT00958568 · ClinicalTrials.gov registry record · Phase 3

A Study in Relapse Prevention of Treatment-Resistant Depression

A Phase 3 study of Treatment-Resistant Depression, sponsored by Eli Lilly and Company.

Completed
Registry status
Phase 3
Development phase
892
Enrollment target
20
Study locations

NCT00958568: Completed Phase 3 study of Treatment-Resistant Depression, sponsored by Eli Lilly and Company.

NCT00958568 is a Phase 3 study of Treatment-Resistant Depression that has completed, run by Eli Lilly and Company. The registered enrollment target is 892 participants, above the 357-participant average among 54 other Treatment-Resistant Depression trials with a reported enrollment target (150% higher). The trial reports 20 study locations across 12 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00958568, a Phase 3 study of Treatment-Resistant Depression, has completed, sponsored by Eli Lilly and Company.

COMPLETED
Registry status
Phase 3
Development phase
892 participants
Enrollment target
20
Study locations

Study Summary

The purpose of this study is to determine whether olanzapine and fluoxetine combination (OFC) if used for a long time (47 weeks) makes patients suffering from Treatment Resistant Depression stable, determine if OFC is safe when used to treat patients with Treatment Resistant Depression for a long time (up to 47 weeks), to determine whether olanzapine and fluoxetine combination or fluoxetine alone is better to treat Treatment Resistant Depression when treated for a long time (up to 47 weeks) and to assess the quality of life during treatment.

Primary Outcome

Relapse defined as meeting any of these criteria: 50% increase in Montgomery-Asberg Depression Rating Scale (MADRS) score from randomization with a Clinical Global Impressions-Severity (CGI-S) of Depression score increase to a score of 4 or more; Hospitalized for depression or suicidality; Discontinued due to lack of efficacy/worsening of depression/suicidality. MADRS is a 10-item rating scale for depressive mood symptoms severity, items rated on 0-6 scale, with total score range of 0 (low sever

Interventions

  • DRUG Fluoxetine
  • DRUG Olanzapine and Fluoxetine combination (OFC)

Study Locations (20)

California

  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Pasadena
  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Sherman Oaks
  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Wildomar

Missouri

  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Bridgeton
  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Saint Charles
  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - St Louis

Georgia

  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Atlanta
  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Marietta

Illinois

  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Chicago
  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Oak Brook

Maryland

  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Baltimore
  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Glen Burnie

Massachusetts

  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Belmont
  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Boston

Connecticut

  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Cromwell

District of Columbia

  • For additional information regarding investigative sites for this trial, contact 1-877-CTLILLY (1-877-285-4559, 1-317-615-4559) Mon - Fri from 9 AM to 5 PM Eastern Time (UTC/GMT - 5 hours, EST), or speak with your personal physician. - Washington D.C.

Trial Details

FieldValue
Enrollment Target 892 participants
Start Date 2009-08
Est. Completion 2012-03
Phase Phase 3
Eli Lilly and Company

1,341 total trials

What the finished NCT00958568 record still lists

NCT00958568 is an interventional study that assigns participants to a tested intervention. The registered 892 participants enrollment target is mid-sized for trials with a published cap, above the 357-participant average among 54 other Treatment-Resistant Depression trials with a reported enrollment target (150% higher).

The record links to 1 condition, with Treatment-Resistant Depression appearing as the primary indexed condition, and to 2 interventions - of which Fluoxetine is the first listed.

NCT00958568 names 20 study sites across 12 states, led by California, Missouri, Georgia.

Frequently Asked Questions

What is clinical trial NCT00958568 about?

NCT00958568 is a clinical study titled "A Study in Relapse Prevention of Treatment-Resistant Depression". The purpose of this study is to determine whether olanzapine and fluoxetine combination (OFC) if used for a long time (47 weeks) makes patients suffering from Treatment Resistant Depression stable, determine if OFC is safe when used to treat patients with Treatment Resistant Depression for a long ti...

What is the current status of trial NCT00958568?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 892 participants. The study started on 2009-08. Estimated completion is 2012-03.

What conditions does trial NCT00958568 study?

This clinical trial studies the following conditions: Treatment-Resistant Depression.

What interventions are being tested in trial NCT00958568?

The interventions under investigation include: Fluoxetine (DRUG), Olanzapine and Fluoxetine combination (OFC) (DRUG).

Who is sponsoring clinical trial NCT00958568?

This trial is sponsored by Eli Lilly and Company, which has 1,341 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT00958568 being conducted?

This trial has 20 study locations across California, Connecticut, District of Columbia, Georgia, Illinois. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Treatment-Resistant Depression

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT00958568's enrollment target sits among peer trials

892 4th of 54 higher than 51 of 54 other Treatment-Resistant Depression trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Treatment-Resistant Depression trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT00958568, the US trial registry maintained by the National Library of Medicine. NCT00958568 (mid enrollment · wide site footprint · completed) retrieved and formatted by PlainTrial, see methodology.