Alector
Alector sponsors 10 registered US clinical trials on ClinicalTrials.gov, none currently recruiting, and 6 completed. 2 of these trials are in Phase 3-4 (later-stage) and 8 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Healthy, with 2 trials.
Trial Pipeline
10 total, page 1 of 1
Continuation Study for Latozinemab
NCT06111014
A Long-term Extension Study to Evaluate Safety, Tolerability, and Efficacy of AL002 in Alzheimer's Disease
NCT05744401
A Phase 2 Study to Evaluate AL001 in C9orf72-Associated ALS
NCT05053035
A Phase 2 Study to Evaluate Efficacy and Safety of AL002 in Participants With Early Alzheimer's Disease
NCT04592874
A Phase 3 Study to Evaluate Efficacy and Safety of AL001 in Frontotemporal Dementia (INFRONT-3)
NCT04374136
A Phase 1 First in Human Study to Assess Safety and Tolerability of AL101
NCT04111666
A Phase 2 Study to Evaluate Safety of Long-term AL001 Dosing in Frontotemporal Dementia (FTD) Patients (INFRONT-2)
NCT03987295
First in Human Study for Safety and Tolerability of AL003.
NCT03822208
A Phase I Study for Safety and Tolerability of AL002.
NCT03635047
A First in Human Study in Healthy Volunteers and in Participants With Frontotemporal Dementia With Granulin (GRN) Mutation
NCT03636204
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 4 |
| Phase 2 | 4 |
| Phase 3 | 2 |
Therapeutic Areas
What the Pipeline for Alector Shows
According to the ClinicalTrials.gov registry, Alector is linked to 10 US clinical trials across every stage of research activity. Of those, 0 studies are currently recruiting, about 0% of the sponsor's indexed portfolio, and 6 are already marked complete, representing roughly 60% of the total.
The phase mix for Alector reports 2 late-stage studies (Phase 3 and Phase 4 combined) and 8 earlier-phase studies (Phase 1 and Phase 2).
The top therapeutic focus area indexed for Alector is Healthy with 2 linked trials, and 2 other condition areas appear in the top list above.
How to read these pipeline numbers
Recruiting share is one of the more practical signals here: it reflects how much of a sponsor's research is presently open to new participants, while the completed share indicates the depth of finished work that has already contributed registry results. Both counts come directly from the public ClinicalTrials.gov dataset and are refreshed on the registry side; this page mirrors the latest data pull without altering it.
A portfolio weighted toward Phase 3 usually reflects an organization advancing candidates toward regulatory review, where the research centers on comparative efficacy and broader safety across larger populations. A heavier Phase 1 and Phase 2 tilt generally indicates exploratory work, safety, dosing, and early signal detection, and is common among research-forward sponsors that seed many early programs. Phase 4 entries, when present, track interventions already in real-world use and typically focus on long-term safety, effectiveness across subgroups, or formulation comparisons.
That distribution is a quick read of where the organization concentrates its research attention; it does not imply product availability, market share, or any clinical endorsement. All numbers on this page come from ClinicalTrials.gov maintained by the National Library of Medicine, and counts can shift as new studies are registered or existing ones update their status. This information is provided for reference and educational purposes only, not as medical, investment, or regulatory advice, verify current details directly with ClinicalTrials.gov before relying on any figure here.
Read our methodology - how this data is sourced, computed, and verified.
Related
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial from this sponsor, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.