Recent Updates
Recently added Catalysts

PMN310

Phase 1

Alzheimer Disease, Early Onset | Small molecule | Neurology |ProMIS Neurosciences Inc.|Last Updated: Jul 13, 2026

Target and mechanism

Molecular targetamyloid-beta oligomers
ModalitySmall molecule

Success Probability

Subscribe to view

Market & Valuation

Subscribe to view

Trial Design

RandomizedDouble-BlindCONTROLLEDDMC
Total Trials1
Total Enrollment144

FDA Designations

FAST_TRACK

Clinical trial landscape

PMN310 · 2 trials · 2 indications

Phase 1 2
NCT06750432PMN310 in Patients With Early Alzheimer's Disease (PRECISE-AD)Alzheimer Disease, Early Onset
ACTIVE NOT_RECRUITING144 Analytics
NCT06105528A Phase 1a Study of PMN310 In Healthy VolunteersHealthy Participants
COMPLETED40 Analytics
PHASE1ACTIVE NOT_RECRUITING
PMN310 in Patients With Early Alzheimer's Disease (PRECISE-AD)
Alzheimer Disease, Early OnsetUnlock trial analytics
PHASE1COMPLETED
A Phase 1a Study of PMN310 In Healthy Volunteers
Healthy ParticipantsUnlock trial analytics

Study Endpoints

Primary Endpoints

Safety and tolerability of PMN310 following repeat intravenous infusions of PMN310
Up to Day 337

Number and severity of adverse events

Biomarker response to PMN310 following repeat intravenous infusions of PMN310
Up to Day 337

Mean change in plasma p-tau217 in response to repeat intravenous infusions of PMN310

Incidence of Treatment Emergent Adverse Events
85 days

Safety and tolerability of PMN310 following a single intravenous dose in healthy subjects.

Incidence of Clinically Significant Abnormal Findings in Laboratory Assessments (Hematology, Serum Clinical Chemistry, and Urinalysis)
85 days

Safety and tolerability of PMN310 following a single intravenous dose in healthy subjects.

Incidence of Clinically Significant Abnormal Findings in Physical Examinations Including Neurological Examinations
85 days

Safety and tolerability of PMN310 following a single intravenous dose in healthy subjects.

Incidence of Clinically Significant Abnormal Findings in Vital Signs (Supine Blood Pressure (BP), Pulse, Respiratory Rate and Oral Body Temperature)
85 days

Safety and tolerability of PMN310 following a single intravenous dose in healthy subjects.

Incidence of Clinically Significant Abnormal Findings in 12 Lead Electrocardiogram (ECG)
85 days

Safety and tolerability of PMN310 following a single intravenous dose in healthy subjects.

Secondary Endpoints

Pk profile of PMN310 with repeat dosing
Up to Day 337
Assessment of the immunogenicity of PMN310 following repeat intravenous infusions
Up to Day 309
Assessment of biomarker response to PMN310
Up to Day 337
Unlock Study Endpoints

Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Cohort 1 PMN310 350 mg or placeboEXPERIMENTALPMN310 350 mg or placebo administered as a 60-minute infusion.
Cohort 2 PMN310 700 mg or placeboEXPERIMENTALPMN310 700 mg or placebo administered as a 60-minute infusion.
Cohort 3 PMN310 1400 mg or placeboEXPERIMENTALPMN310 1400 mg or placebo administered as a 60-minute infusion.
Cohort 1 PMN310 175mg or placeboEXPERIMENTALPMN310 175mg or placebo administered as a 60-minute infusion.
Cohort 2 PMN310 350mg or placeboEXPERIMENTALPMN310 350mg or placebo administered as a 60-minute infusion.
Cohort 3 PMN310 700mg or placeboEXPERIMENTALPMN310 700mg or placebo administered as a 60-minute infusion.
Cohort 4 PMN310 1400mg or placeboEXPERIMENTALPMN310 1400mg or placebo administered as a 60-minute infusion.
Cohort 5 PMN310 2800mg or placeboEXPERIMENTALPMN310 2800mg or placebo administered as a 60-minute infusion.

Interventions

NameTypeDescription
PMN310DRUGA humanized immunoglobulin G1 (IgG1) monoclonal antibody
PlaceboDRUG0.9% NaCl 100 mL
Unlock Study Design Details

Eligibility Criteria

Age Range50 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites22

Inclusion Criteria: 1. Patient and caregiver provide written informed consent. 2. Ambulatory male or female ≥ 50 years of age with adequate visual and auditory abilities to perform the cognitive and functional assessments in the opinion of the Investigator. 3. Meets all of the following clinical cr...

Countries:United States
Unlock Eligibility Criteria

Recent Changes (Last 90 Days)

LOWJul 13, 2026NCT06750432enrollmentType: changed
LOWJul 13, 2026NCT06750432enrollmentType: changed

Frequently asked questions about PMN310

What is PMN310 used for in Alzheimer Disease?

PMN310 is an investigational small molecule being developed for early Alzheimer's disease. It is designed to target amyloid-beta oligomers, which are toxic protein clumps implicated in Alzheimer's pathology. The drug is currently in Phase 1 clinical trials, including a study in patients with early-onset Alzheimer's disease and a completed study in healthy volunteers.

What does PMN310 target?

PMN310 targets amyloid-beta oligomers, which are small, soluble aggregates of the amyloid-beta protein that are believed to contribute to neuronal damage in Alzheimer's disease. By binding to these oligomers, PMN310 aims to neutralize their toxic effects. This mechanism is being investigated in early-stage clinical trials for Alzheimer's disease.

Who makes PMN310?

PMN310 is being developed by ProMIS Neurosciences Inc., a biopharmaceutical company focused on neurodegenerative diseases. ProMIS Neurosciences is publicly traded under the ticker symbol PMN. The company is conducting clinical trials to evaluate PMN310 as a potential treatment for early Alzheimer's disease.

What phase is PMN310 in?

PMN310 is in Phase 1 clinical development. It is an investigational drug, not yet approved by regulatory authorities. Two Phase 1 trials have been conducted: one completed study in healthy volunteers and an ongoing study in patients with early Alzheimer's disease. The drug has received Fast Track designation from the FDA.

What clinical trials is PMN310 in?

PMN310 is being evaluated in two Phase 1 clinical trials. NCT06750432, titled 'PMN310 in Patients With Early Alzheimer's Disease (PRECISE-AD)', is active but not recruiting, with 144 participants in the United States. NCT06105528, a Phase 1a study in healthy volunteers, has been completed with 40 participants.

Is PMN310 the same as other Alzheimer's drugs?

PMN310 is a distinct investigational small molecule developed by ProMIS Neurosciences. It specifically targets amyloid-beta oligomers, a different mechanism compared to some approved antibody therapies that target amyloid plaques. As a small molecule, it may offer advantages in terms of delivery and brain penetration, though it is still in early clinical development.