Alector, Inc. announced that in December 2019, it initiated dosing in healthy volunteers in its Phase 1 study of AL101, an investigational product candidate designed to increase progranulin levels. The Phase 1 study is designed to assess the safety and tolerability of AL101 in healthy volunteers, as well as the pharmacokinetics (PK), pharmacodynamics (PD) and bioavailability of intravenously and subcutaneously administered doses of AL101. AL101 is Alector’s second product candidate targeting the progranulin pathway to enter the clinic in the last two years. The Phase 1 study of AL101 is a randomized, double-blind, placebo-controlled trial expected to enroll up to 42 healthy volunteers at a clinical study site in the United States. The ClinicalTrials.gov Identifier for the AL101 study is: NCT04111666.