Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Nov 14, 2026, 10:16 PM EST

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Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
Conditions
Healthy, Frontotemporal Dementia
Interventions
AL001, Placebo
Biological · Other
Lead sponsor
Alector Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
5
States / cities
Birmingham, Alabama • San Francisco, California • Orlando, Florida + 2 more
Conditions
Frontotemporal Dementia
Interventions
Part 1 Blinded - AL001, Part 1 Blinded - Placebo, Part 2 (OLE Treatment) - AL001, Part 2 (OLE Treatment) - Placebo Switched to AL001
Drug
Lead sponsor
Alector Inc.
Industry
Eligibility
25 Years to 85 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
14
States / cities
Phoenix, Arizona • La Jolla, California • Aurora, Colorado + 11 more
Conditions
Frontotemporal Dementia
Interventions
AL001
Drug
Lead sponsor
Alector Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
4
States / cities
San Francisco, California • Rochester, Minnesota • Philadelphia, Pennsylvania + 1 more
Conditions
Alzheimer's Disease
Interventions
GSK4527226
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
50 Years to 85 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
9
States / cities
Maitland, Florida • Miami, Florida • Stuart, Florida + 6 more
Conditions
Amyotrophic Lateral Sclerosis
Interventions
AL001, Placebo
Drug
Lead sponsor
Alector Inc.
Industry
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
3
States / cities
Tampa, Florida • Boston, Massachusetts • St Louis, Missouri
Conditions
Alzheimer's Disease
Interventions
GSK4527226, Placebo
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
50 Years to 85 Years
Enrollment
367 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
21
States / cities
San Diego, California • Lake Mary, Florida • Lake Worth, Florida + 16 more
Completed Phase 1 Interventional Accepts healthy volunteers

First in Human Study for Safety and Tolerability of AL003.

NCT03822208
Conditions
Healthy, Alzheimer Disease
Interventions
AL003, Saline Solution
Biological · Other
Lead sponsor
Alector Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
5
States / cities
Delray Beach, Florida • Lady Lake, Florida • Orlando, Florida + 2 more
Conditions
Neurodegenerative Diseases
Interventions
Latozinemab
Drug
Lead sponsor
Alector Inc.
Industry
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
5
States / cities
Phoenix, Arizona • Rochester, Minnesota • New York, New York + 2 more
Conditions
Alzheimer Disease
Interventions
AL002, Placebo
Drug
Lead sponsor
Alector Inc.
Industry
Eligibility
50 Years to 85 Years
Enrollment
356 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
29
States / cities
Phoenix, Arizona • Rogers, Arkansas • Costa Mesa, California + 25 more
Conditions
Alzheimer's Disease
Interventions
AL002
Drug
Lead sponsor
Alector Inc.
Industry
Eligibility
50 Years to 85 Years
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
15
States / cities
Phoenix, Arizona • Washington D.C., District of Columbia • Boca Raton, Florida + 12 more
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase I Study for Safety and Tolerability of AL002.

NCT03635047
Conditions
Healthy, Alzheimer Disease
Interventions
AL002, Saline Solution
Biological · Other
Lead sponsor
Alector Inc.
Industry
Eligibility
18 Years to 85 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
4
States / cities
Delray Beach, Florida • Orlando, Florida • The Villages, Florida + 1 more
Conditions
Healthy
Interventions
AL101, Placebo
Biological · Other
Lead sponsor
Alector Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
2
States / cities
Miami, Florida • Orlando, Florida