First in Human Study for Safety and Tolerability of AL003.
Public ClinicalTrials.gov record NCT03822208. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase I Study Evaluating the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Immunogenicity of Single and Multiple Doses of AL003 in Healthy Participants and in Participants With Mild to Moderate Alzheimer's Disease.
Study identification
- NCT ID
- NCT03822208
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- Alector Inc.
- Industry
- Enrollment
- 54 participants
Conditions and interventions
Conditions
Interventions
- AL003 Biological
- Saline Solution Other
Biological · Other
Eligibility (public fields only)
- Age range
- 18 Years to 85 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 28, 2019
- Primary completion
- May 5, 2021
- Completion
- May 5, 2021
- Last update posted
- Sep 16, 2021
2019 – 2021
United States locations
- U.S. sites
- 5
- U.S. states
- 2
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Brain Matters Research | Delray Beach | Florida | 33445 | — |
| Charter Research | Lady Lake | Florida | 32159 | — |
| PPD Clinical Research Unit | Orlando | Florida | 32806 | — |
| Synexus AES | The Villages | Florida | 32162 | — |
| Columbia University | New York | New York | 10032 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03822208, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Sep 16, 2021 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03822208 live on ClinicalTrials.gov.