A Study to Evaluate the Efficacy and Safety of NBI-1070770 in Adults With Major Depressive Disorder
A Phase 2, Multicenter, Randomized, Double-Blind, Placebo-Controlled Study to Assess the Efficacy, Safety, and Tolerability of NBI-1070770 in Adults With Major Depressive Disorder
1 other identifier
interventional
73
1 country
13
Brief Summary
To evaluate the efficacy, safety, and tolerability of NBI-1070770 compared to placebo on improving symptoms of depression in participants with major depressive disorder (MDD).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_2 major-depressive-disorder
Started Mar 2024
13 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
February 12, 2024
CompletedFirst Posted
Study publicly available on registry
February 20, 2024
CompletedStudy Start
First participant enrolled
March 20, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 25, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
September 11, 2025
CompletedOctober 29, 2025
October 1, 2025
1.3 years
February 12, 2024
October 27, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change in Total Montgomery-Åsberg Depression Rating Scale (MADRS) Score from Baseline to Day 5
Baseline, Day 5
Secondary Outcomes (1)
Change in Total MADRS Score from Baseline at Postbaseline Timepoints
Baseline, up to Day 49
Study Arms (4)
NBI-1070770: Low Dose
EXPERIMENTALParticipants will receive low-dose NBI-1070770.
NBI-1070770: Medium Dose
EXPERIMENTALParticipants will receive medium-dose NBI-1070770.
NBI-1070770: High Dose
EXPERIMENTALParticipants will receive high-dose NBI-1070770.
Placebo
PLACEBO COMPARATORParticipants will receive matching placebo.
Interventions
Suspension for oral administration
Eligibility Criteria
You may qualify if:
- Primary diagnosis of recurrent MDD or persistent MDD.
- Participants currently receiving pharmacological treatment for depression must have been taking current antidepressant medication(s) for ≥8 weeks prior to screening and must be willing and able to continue with current antidepressant medication(s).
- Participants must be willing and able to comply with all study procedures and restrictions.
You may not qualify if:
- Participants will be excluded from the study if they meet any of the following criteria:
- Participant is pregnant or breastfeeding or plan to become pregnant during the study.
- Participant has an unstable medical condition or unstable chronic disease.
- Participant has a history of neurological abnormalities.
- Participant has a current or prior psychiatric disorder diagnosis that was the primary focus of treatment other than MDD.
- Participant's depressive symptoms have previously demonstrated nonresponse to an adequate course of treatment with electroconvulsive therapy.
- Participant has an alcohol or substance use disorder.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (13)
Neurocrine Clinical Site
Little Rock, Arkansas, 72211, United States
Neurocrine Clinical Site
Rogers, Arkansas, 72758, United States
Neurocrine Clinical Site
Lemon Grove, California, 91945, United States
Neurocrine Clinical Site
Long Beach, California, 90806, United States
Neurocrine Clinical Site
Hollywood, Florida, 33024, United States
Neurocrine Clinical Site
Maitland, Florida, 32751, United States
Neurocrine Clinical Site
Decatur, Georgia, 30030, United States
Neurocrine Clinical Site
Savannah, Georgia, 31405, United States
Neurocrine Clinical Site
Gaithersburg, Maryland, 20877, United States
Neurocrine Clinical Site
Dayton, Ohio, 45439, United States
Neurocrine Clinical Site
North Canton, Ohio, 44730, United States
Neurocrine Clinical Site
Houston, Texas, 77008, United States
Neurocrine Clinical Site
Richardson, Texas, 75080, United States
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Clinical Development Lead
Neurocrine Biosciences
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 12, 2024
First Posted
February 20, 2024
Study Start
March 20, 2024
Primary Completion
July 25, 2025
Study Completion
September 11, 2025
Last Updated
October 29, 2025
Record last verified: 2025-10
Data Sharing
- IPD Sharing
- Will not share