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AL101

Phase 1

Healthy | Monoclonal antibody | Other |Alector, Inc.|Last Updated: Aug 10, 2022

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_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment88
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04111666A Phase 1 First in Human Study to Assess Safety and Tolerability of AL101PHASE1 COMPLETED 88Dec 14, 2019Jun 9, 2022Aug 10, 20222 United States
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Study Endpoints
Primary Endpoints
Evaluation of safety and tolerability of AL101 measured by number of subjects with adverse events and Dose Limiting Adverse Event (DLAEs)
either 57, 113, or 141 days, depending on the cohort

Incidence of adverse events and dose limiting Adverse Events during the DLAE observation period and/or study treatment periods.

Secondary Endpoints
Pharmacokinetics (PK) of AL101
either 57, 113, or 141 days, depending on the cohort
Maximum plasma concentration (Cmax) for AL101
either 57, 113, or 141 days, depending on the cohort
Area under the curve concentration (AUC) for AL101
either 57, 113, or 141 days, depending on the cohort
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
AL101 IVEXPERIMENTAL* Up to four single ascending doses (SAD IV cohorts) * Multiple doses of AL101 administered IV (MD IV cohort)
Saline SolutionPLACEBO_COMPARATORSaline solution will be administered with the following: * Single IV infusion for four single ascending doses (SAD IV cohorts) in a ratio of 8 active and 3 placebo subjects * Multiple IV infusions for the MD IV cohort in a ratio of 8 active and 2 placebo subjects
AL101 SCEXPERIMENTAL* Single fixed dose levels of AL101 administered SC * Multiple fixed dose of AL101 administered SC
Interventions
NameTypeDescription
AL101BIOLOGICALActive dose of AL101
PlaceboOTHERSaline solution administered as a single and multiple infusion as placebo.
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Eligibility Criteria
Age Range18 Years — 65 Years
SexALL
Healthy VolunteersYes
Study Sites2

Inclusion Criteria: * BMI 18.0-35.0 kg/m2 * 45-120 kg, inclusive * At screening, females must be non-pregnant and non-lactating, or of nonchildbearing potential (either surgically sterilized or physiologically incapable of becoming pregnant, or at least 1-year postmenopausal (amenorrhoea duration o...

Countries:United States
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