Recent Updates
Recently added Catalysts

SAR448851

Phase 2

Dementia, Alzheimer's Type | Small molecule | Neurology |Sanofi|Last Updated: Aug 10, 2026

Success Probability

Subscribe to view

Market & Valuation

Subscribe to view

Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLEDDMC
Total Trials1
Total Enrollment160

FDA Designations

No designations recorded

Clinical trial landscape

SAR448851 · 1 trial · 2 indications

Phase 2 1
NCT07688213A Study to Investigate the Safety and Effectiveness of SAR448851 in Participants With Early Alzheimer's DiseaseDementia, Alzheimer's Type
RECRUITING160 Analytics
PHASE2RECRUITING
A Study to Investigate the Safety and Effectiveness of SAR448851 in Participants With Early Alzheimer's Disease
Dementia, Alzheimer's TypeUnlock trial analytics

Study Endpoints

Primary Endpoints

Part A and optional dose 2 cohort: change from baseline to Week 48 in plasma p-tau217
From baseline to Week 48
Part B: Number of participants with treatment-emergent adverse events (TEAE), including ARIA-E and ARIA-H by brain MRI, laboratory assessments, vital sign measurements, ECGs and the C-SSRS
From Week 48 to Week 96

Number of participants experiencing at least one treatment-emergent adverse event (TEAE), including amyloid-related imaging abnormalities with edema (ARIA-E) and amyloid-related imaging abnormalities with hemosiderin (ARIA-H) by brain magnetic resonance imaging (MRI), laboratory assessments, vital sign measurements, electrocardiograms (ECGs) and the Columbia-Suicide Severity Rating Scale (C-SSRS)

Secondary Endpoints

Part A and optional dose 2 cohort: Change from baseline to Week 48 in plasma glial fibrillary acidic protein (GFAP) and cerebrospinal fluid (CSF) neurogranin (Ng)
From baseline to Week 48
Part A and optional dose 2 cohort: Change from baseline to Week 48 in brain amyloid plaque deposition as measured by amyloid positron emission tomography (PET)
From baseline to Week 48
Part A and optional dose 2 cohort: Change from baseline to Week 48 in CSF soluble triggering receptor expressed on myeloid cells 2 (sTREM2)
From baseline to Week 48
Unlock Study Endpoints

Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
SAR448851EXPERIMENTALParticipants will receive SAR448851 dose 1 or dose 2 oral daily for 48 weeks
PlaceboPLACEBO_COMPARATORParticipants will receive placebo oral daily for 48 weeks

Interventions

NameTypeDescription
SAR448851DRUGPharmaceutical form: Capsule Route of administration: Oral
PlaceboDRUGPharmaceutical form: Capsule Route of administration: Oral
Unlock Study Design Details

Eligibility Criteria

Age Range55 Years to 85 Years
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Participant must be 55 to 85 years (inclusive) of age, at the time of signing the informed consent. * Diagnosis of mild cognitive impairment (MCI) due to Alzheimer's disease (AD) (National Institute on Aging-Alzheimer's Association \[NIA-AA\] Stage 3) or mild AD dementia (NIA-...

Countries:United States
Unlock Eligibility Criteria

Recent Changes (Last 90 Days)

LOWAug 11, 2026NCT07688213Status: NOT_YET_RECRUITING → RECRUITING
LOWAug 11, 2026NCT07688213Status: NOT_YET_RECRUITING → RECRUITING
LOWAug 11, 2026NCT07688213Status: NOT_YET_RECRUITING → RECRUITING
LOWJul 7, 2026NCT07688213NEW_TRIAL: changed
LOWJul 7, 2026NCT07688213NEW_TRIAL: changed

Frequently asked questions about SAR448851

What is SAR448851 used for?

SAR448851 is an investigational small molecule being developed for the treatment of early Alzheimer's disease, which is a type of dementia. It is currently being studied in a Phase 2 clinical trial to evaluate its safety and effectiveness in participants with this condition.

What does SAR448851 target?

The specific molecular target of SAR448851 has not been disclosed. It is a small molecule being developed by Sanofi for the treatment of early Alzheimer's disease, and its mechanism of action is not publicly detailed at this time.

Who makes SAR448851?

SAR448851 is being developed by Sanofi, a multinational pharmaceutical company listed on the stock exchange under the ticker symbol SNY. The company is currently conducting a Phase 2 clinical trial to investigate the drug's safety and effectiveness in patients with early Alzheimer's disease.

What phase is SAR448851 in?

SAR448851 is currently in Phase 2 of clinical development. It is an investigational drug, meaning it has not been approved by regulatory authorities. A Phase 2 trial is ongoing to assess its safety and effectiveness in participants with early Alzheimer's disease.

What clinical trials is SAR448851 in?

SAR448851 is being studied in a Phase 2 clinical trial with the identifier NCT07688213. This randomized, double-blind, placebo-controlled study is recruiting 160 participants aged 55 years and older with early Alzheimer's disease in the United States.

Is SAR448851 FDA approved?

SAR448851 is not FDA approved. It is an investigational drug currently in Phase 2 clinical development. The ongoing trial, NCT07688213, is designed to evaluate its safety and effectiveness, but it has not yet received regulatory approval for any use.