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PMN310

Phase 1

Healthy Participants | Small molecule | Other |ProMIS Neurosciences Inc.|Last Updated: Jul 13, 2026

Success Probability
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Market & Valuation
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Trial Design
RandomizedDouble-BlindCONTROLLEDDMC
Total Trials1
Total Enrollment40
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
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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
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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
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Recent Changes (Last 90 Days)
LOWJul 13, 2026NCT06750432enrollmentType: changed
LOWJul 13, 2026NCT06750432enrollmentType: changed
LOWMay 26, 2026NCT06750432primaryCompletionDate: changed
LOWMay 24, 2026NCT06750432studyFirstPostDate: changed