Phase III Long-term Extension Trial to Assess Safety and Efficacy of CYB003 in MDD (EXTEND)
Public ClinicalTrials.gov record NCT06605105. 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
A Phase III Long-Term Extension Trial With Optional Additional Doses of CYB003 to Assess the Safety and Long-term Efficacy in Participants With Major Depressive Disorder (EXTEND)
Study identification
- NCT ID
- NCT06605105
- Recruitment status
- Enrolling by invitation
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Cybin IRL Limited
- Industry
- Enrollment
- 468 participants
Conditions and interventions
Conditions
Interventions
- CYB003 Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 85 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
- Jul 17, 2025
- Primary completion
- Mar 14, 2028
- Completion
- Mar 14, 2028
- Last update posted
- Mar 10, 2026
2025 – 2028
United States locations
- U.S. sites
- 19
- U.S. states
- 11
- U.S. cities
- 18
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Combined Research Orlando | Phoenix | Arizona | 85022 | — |
| Open Mind Collective / UCSF Medical Center - Mount Zion | San Francisco | California | 94114 | — |
| Mountain View Clinical Research | Denver | Colorado | 80209 | — |
| Starlight Clinical Research | Evergreen | Colorado | 80439 | — |
| Research Centers of America | Hollywood | Florida | 33024 | — |
| K2 Medical Research | Lady Lake | Florida | 32159 | — |
| Segal Trials Center for Psychedelic Research | Lauderhill | Florida | 33319 | — |
| Clinical Neuroscience Solutions, Inc | Orlando | Florida | 32801 | — |
| Cenexel iResearcvh Atlanta, LLC | Atlanta | Georgia | 30030 | — |
| Atlanta Center For Medical Research | Atlanta | Georgia | 30331 | — |
| CenExel iResearch | Savannah | Georgia | 31405 | — |
| Uptown Research Institute | Chicago | Illinois | 60640 | — |
| Psychiatric Medicine Associates, LLC | Skokie | Illinois | 60076 | — |
| Sunstone Medical, PC | Rockville | Maryland | 20850 | — |
| Adams Clinical Boston | Boston | Massachusetts | 02116 | — |
| Adams Clinical | Watertown | Massachusetts | 02472 | — |
| Neurobehavioral Clinical Research | Canton | Ohio | 44720 | — |
| InSite Clinical Research, LLC | DeSoto | Texas | 75115 | — |
| Cedar Clinical Research | Draper | Utah | 84020 | — |
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 NCT06605105, 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 Mar 10, 2026 · Synced May 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06605105 live on ClinicalTrials.gov.