A Study of RO4917523 in Patients With Treatment Resistant Depression
Public ClinicalTrials.gov record NCT00809562. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
An Exploratory Fixed Dose Randomized Double Blind Parallel-group Placebo-controlled Study of the Safety and of the Therapeutic Effects of Ro 4917523 in Patients With Treatment- Resistant Depression
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This study will evaluate the safety, tolerability and efficacy of RO4917523, in comparison to placebo, in patients with treatment-resistant depression. Following a washout period from existing anti-depressant medication, cohorts of patients will be randomized to receive daily oral RO4917523 at up to five different doses (according to the safety and tolerability observed at the lower doses during the study), or placebo. The anticipated time on study treatment is 10 days (in an inpatient unit), and the target sample size is \<100 individuals.
Study identification
- NCT ID
- NCT00809562
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 46 participants
Conditions and interventions
Conditions
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
- Mar 2009 (Type not available)
- Primary completion
- Feb 2011 (Actual)
- Completion
- Feb 2011 (Actual)
- Last update posted
- Nov 2, 2016
2009 – 2011
United States locations
- U.S. sites
- 9
- U.S. states
- 6
- U.S. cities
- 7
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Oceanside | California | 92056 | — |
| Not listed | San Diego | California | 92103 | — |
| Not listed | New Haven | Connecticut | 06511 | — |
| Not listed | Shreveport | Louisiana | 71115 | — |
| Not listed | Flowood | Mississippi | 39232 | — |
| Not listed | New York | New York | 10029 | — |
| Not listed | New York | New York | 10032 | — |
| Not listed | New York | New York | 10065-4870 | — |
| Not listed | Pittsburgh | Pennsylvania | 15213 | — |
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 NCT00809562, 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, 2016 · Synced Oct 24, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00809562 live on ClinicalTrials.gov.