NCT06966401 Long-Term Study to Assess the Safety and Tolerability of NBI-1065845 as an Adjunctive Treatment in Participants With Major Depressive Disorder (MDD)
| NCT ID | NCT06966401 |
| Status | Recruiting |
| Phase | Phase 3 |
| Sponsor | Neurocrine Biosciences |
| Condition | Major Depressive Disorder |
| Study Type | INTERVENTIONAL |
| Enrollment | 850 participants |
| Start Date | 2025-04-16 |
| Primary Completion | 2029-05 |
Eligibility & Interventions
Eligibility Fast-Check
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What to Expect as a Participant
You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.
Phase 3 trials are large pivotal studies comparing the treatment to current standard of care or placebo. Your participation directly contributes to the evidence needed for regulatory approval.
This trial targets 850 participants in total. It began in 2025-04-16 with a primary completion date of 2029-05.
⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.
Brief Summary
This study will evaluate the long-term safety and tolerability of NBI-1065845 as an adjunctive treatment in participants with MDD.
Eligibility Criteria
Key Inclusion Criteria: * Participant has a primary diagnosis of recurrent MDD (moderate or severe) or persistent depressive disorder. * Participant has had an inadequate response to oral antidepressant treatments in the current episode of depression. * Participant must have been taking oral antidepressants for at least 8 weeks prior to screening. * Willing and able to comply with all study procedures and restrictions in the opinion of the investigator. Key Exclusion Criteria: * A current or prior psychiatric disorder diagnosis in the last 1 year that was the primary focus of treatment other than MDD. * Are considered by the investigator to be at imminent risk of suicide or injury to self or others. Other protocol defined inclusion and exclusion criteria apply.
Contact & Investigator
Clinical Development Lead
STUDY DIRECTOR
Neurocrine Biosciences
Frequently Asked Questions
Who can join the NCT06966401 clinical trial?
This trial is open to participants of all sexes, aged 18 Years or older, studying Major Depressive Disorder. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.
What phase is the NCT06966401 trial and what does that mean for participants?
Phase 3 trials are large-scale studies comparing the new treatment to existing standards of care or a placebo. They provide the evidence needed for regulatory approval. This trial targets 850 participants.
Is NCT06966401 currently recruiting?
Yes, NCT06966401 is actively recruiting participants. Contact the research team at medinfo@neurocrine.com for enrollment information.
Where is the NCT06966401 trial being conducted?
This trial is being conducted at Huntsville, United States, Bryant, United States, Little Rock, United States, Glendale, United States and 11 additional locations.
Who is sponsoring the NCT06966401 clinical trial?
NCT06966401 is sponsored by Neurocrine Biosciences. The principal investigator is Clinical Development Lead at Neurocrine Biosciences. The trial plans to enroll 850 participants.