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NBI-1117567

Phase 2

Alzheimer's Disease | Small Molecules | Neurology |Neurocrine Biosciences, Inc.|Trials Updated: Sep 22, 2026

NBI-1117567 development status

Highest phase Phase 2
Registered trials 1 across 1 sponsor since Sep 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment135

FDA Designations

No designations recorded

NBI-1117567 clinical trials

NBI-1117567 · 1 trial · 1 indication

Phase 2 1
NCT07832383Evaluation of NBI-1117567 in Participants With Mild to Moderate Alzheimer's Disease (AD) Taking a Background Acetylcholinesterase InhibitorAlzheimer's Disease
NOT YET_RECRUITING135 Analytics
PHASE2NOT YET_RECRUITING
Evaluation of NBI-1117567 in Participants With Mild to Moderate Alzheimer's Disease (AD) Taking a Background Acetylcholinesterase Inhibitor
Alzheimer's DiseaseUnlock trial analytics

Study Endpoints

Primary Endpoints

Change From Baseline in Neuropsychological Test Battery (NTB) Composite Score at Day 85
Baseline, Day 85

Secondary Endpoints

Change From Baseline in Alzheimer's Disease Assessment Scale-Cognitive Subscale, 13 Item Version (ADAS-Cog13) Score at Day 85
Baseline, Day 85
Change From Baseline in Clinical Dementia Rating-Sum of Boxes (CDR-SB) Score at Day 85
Baseline, Day 85
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
NBI-1117567 Low DoseEXPERIMENTALParticipants will receive the titration dose of NBI-1117567 followed by the target dose (low dose) for 10 weeks.
NBI-1117567 High DoseEXPERIMENTALParticipants will receive the titration dose of NBI-1117567 followed by the target dose (high dose) for 10 weeks.
PlaceboPLACEBO_COMPARATORParticipants will receive placebo for 12 weeks.

Interventions

NameTypeDescription
NBI-1117567DRUGNBI-1117567 will be administered per schedule specified in the arm description.
PlaceboDRUGPlacebo matching to NBI-1117567 will be administered per schedule specified in the arm description.
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Eligibility Criteria

Age Range50 Years to 85 Years
SexALL
Healthy VolunteersNo

Key Inclusion Criteria: * Participant has a primary diagnosis of mild to moderate AD prior to screening. * Participant is receiving a well-tolerated treatment with an acetylcholinesterase inhibitor (donepezil, galantamine, or rivastigmine) at a stable dose for at least 3 months prior to the Screeni...

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Recent Changes (Last 90 Days)

LOWSep 22, 2026NCT07832383NEW_TRIAL: changed
LOWSep 22, 2026NCT07832383NEW_TRIAL: changed

Frequently asked questions about NBI-1117567

What is NBI-1117567?

NBI-1117567 is an investigational small molecule being developed by Neurocrine Biosciences, Inc. for Alzheimer's disease. It is currently in Phase 2 clinical development and has not been approved by the FDA. The program is focused on patients with mild to moderate Alzheimer's disease who are already taking a background acetylcholinesterase inhibitor.

What is NBI-1117567 used for in Alzheimer's Disease?

NBI-1117567 is being studied for the treatment of mild to moderate Alzheimer's disease in participants who are taking a background acetylcholinesterase inhibitor. It is an investigational therapy and is not approved for any use. Its only registered clinical study enrolls adults aged 50 years and older with a diagnosis of Alzheimer's disease.

Who makes NBI-1117567?

NBI-1117567 is developed by Neurocrine Biosciences, Inc., which trades on the Nasdaq under the ticker NBIX. The company is the sponsor of the drug's clinical program in Alzheimer's disease.

What phase is NBI-1117567 in?

NBI-1117567 is in Phase 2 clinical development. It is an investigational small molecule and is not FDA approved. The Phase 2 study is registered as not yet recruiting, and no completed trials of NBI-1117567 have been recorded.

What clinical trials is NBI-1117567 in?

NBI-1117567 is being evaluated in one Phase 2 trial, NCT07832383, titled Evaluation of NBI-1117567 in Participants With Mild to Moderate Alzheimer's Disease (AD) Taking a Background Acetylcholinesterase Inhibitor. The study is not yet recruiting and is planned to enroll 135 participants aged 50 years and older.

How is the NBI-1117567 trial designed?

The Phase 2 trial NCT07832383 is a randomized, double-blind, placebo-controlled study of NBI-1117567 in participants with mild to moderate Alzheimer's disease who are taking a background acetylcholinesterase inhibitor. It is planned to enroll 135 participants of all sexes, aged 50 years and older, and does not enroll healthy volunteers.