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AL003

Phase 1

Healthy | Monoclonal antibody | Neurology |Alector, Inc.|Last Updated: Sep 17, 2021

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment54
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03822208First in Human Study for Safety and Tolerability of AL003.PHASE1 COMPLETED 54Mar 29, 2019May 6, 2021Sep 17, 20216 United States, Australia
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Study Endpoints
Primary Endpoints
Evaluation of safety and tolerability of AL003 measured by number of subjects with adverse events and dose limiting adverse events (DLAE)
141 days

Incidence of adverse events during the treatment and follow up periods through out the study.

Secondary Endpoints
Pharmacokinetics (PK) of AL003
85 days
Maximum concentration (Cmax) for AL003
85 days
Area under the curve concentration (AUC) for AL003
85 days
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
AL003 by intravenous (IV) infusionACTIVE_COMPARATORSingle-doses of AL003 in dose-escalating cohorts Multiple doses of AL003 in single cohort
Placebo by intravenous (IV) infusionPLACEBO_COMPARATORMatching saline solution will be administered for placebo subjects
Interventions
NameTypeDescription
AL003BIOLOGICALSingle-doses of AL003 in dose-escalating cohorts Multiple doses of AL003 in a single cohort
Saline SolutionOTHERSaline Solution will be administered as a single infusion for each dose escalation cohort in a ratio of 6 active and 2 placebo and as multiple infusions in the single cohort in a ratio of 10 active and 2 placebo
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Eligibility Criteria
Age Range18 Years — 85 Years
SexALL
Healthy VolunteersYes
Study Sites6

Inclusion Criteria: 1. Total body weight between 50 and 120 kg, inclusive 2. Clinical laboratory evaluations (including chemistry panel fasted \[at least 8 hours\], complete blood count (CBC), and urine analysis) within the reference range for the test laboratory, unless deemed not clinically signi...

Countries:United StatesAustralia
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