A Study to Evaluate Safety, Tolerability, and Efficacy of Lecanemab in Subjects With Early Alzheimer's Disease
Public ClinicalTrials.gov record NCT01767311. 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 Placebo-Controlled, Double-Blind, Parallel-Group, Bayesian Adaptive Randomization Design and Dose Regimen-finding Study With an Open-Label Extension Phase to Evaluate Safety, Tolerability and Efficacy of BAN2401 in Subjects With Early Alzheimer's Disease
Study identification
- NCT ID
- NCT01767311
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Eisai Inc.
- Industry
- Enrollment
- 856 participants
Conditions and interventions
Conditions
Interventions
- Lecanemab 10 mg/kg Drug
- Lecanemab 2.5 mg/kg Drug
- Lecanemab 5.0 mg/kg Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 50 Years to 90 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 19, 2012
- Primary completion
- Dec 9, 2024
- Completion
- Dec 9, 2024
- Last update posted
- Mar 3, 2026
2012 – 2024
United States locations
- U.S. sites
- 91
- U.S. states
- 27
- U.S. cities
- 73
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Facility #1 | Birmingham | Alabama | 35294 | — |
| Facility #1 | Phoenix | Arizona | 85004 | — |
| Facility #1 | Tucson | Arizona | 85724 | — |
| Facility #1 | Carson | California | 90746 | — |
| Facility #1 | Lomita | California | 90717 | — |
| Facility #1 | Long Beach | California | 90806 | — |
| Facility #1 | Los Alamitos | California | 90720 | — |
| Facility #1 | Los Angeles | California | 90024 | — |
| Facility #2 | Los Angeles | California | 90024 | — |
| Facility #3 | Los Angeles | California | 90024 | — |
| Facility #1 | Orange | California | — | — |
| Facility #1 | Oxnard | California | 93030 | — |
| Facility #1 | San Diego | California | 92123 | — |
| Facility #1 | Denver | Colorado | 80239-3133 | — |
| Facility #1 | New Haven | Connecticut | 06510 | — |
| Facility #2 | New Haven | Connecticut | 06510 | — |
| Facility #1 | Atlantis | Florida | 33462 | — |
| Facility #1 | Boca Raton | Florida | 33431 | — |
| Facility #2 | Boca Raton | Florida | 33486 | — |
| Facility #1 | Bradenton | Florida | 34205 | — |
| Facility #1 | Deerfield Beach | Florida | 33064 | — |
| Facility #1 | Delray Beach | Florida | 33445 | — |
| Facility #1 | Fort Myers | Florida | 33912 | — |
| Facility #1 | Hallandale | Florida | 33009 | — |
| Facility #1 | Hialeah | Florida | 33016 | — |
| Facility #1 | Lake Worth | Florida | 33449 | — |
| Facility #1 | Leesburg | Florida | 34748 | — |
| Facility #2 | Leesburg | Florida | 34749 | — |
| Facility #1 | Miami | Florida | 33133 | — |
| Facility #2 | Miami | Florida | 33137 | — |
| Facility #3 | Miami | Florida | 33145 | — |
| Facility #1 | Miami Springs | Florida | 33166 | — |
| Facility #1 | Naples | Florida | 34102 | — |
| Facility #1 | Ocala | Florida | 34471 | — |
| Facility #1 | Orlando | Florida | 32806 | — |
| Facility #1 | Palm Beach Gardens | Florida | 33410 | — |
| Facility #1 | St. Petersburg | Florida | 33713 | — |
| Facility #1 | Sunrise | Florida | 33351 | — |
| Facility #3 | Tampa | Florida | 33609 | — |
| Facility #1 | Tampa | Florida | 33613 | — |
| Facility #2 | Tampa | Florida | 33613 | — |
| Facility #1 | The Villages | Florida | — | — |
| Facility #2 | Atlanta | Georgia | 30308 | — |
| Facility #1 | Atlanta | Georgia | 30329 | — |
| Facility #1 | Columbus | Georgia | 31909 | — |
| Facility #1 | Decatur | Georgia | 30033 | — |
| Facility #1 | Chicago | Illinois | 60640 | — |
| Facility #1 | Elk Grove Village | Illinois | 60007 | — |
| Facility #1 | Elkhart | Indiana | 46514 | — |
| Facility #1 | Indianapolis | Indiana | 46202 | — |
| Facility #1 | Wichita | Kansas | 67214 | — |
| Facility #1 | Lexington | Kentucky | 40504 | — |
| Facility #1 | Boston | Massachusetts | 02115 | — |
| Facility #2 | Boston | Massachusetts | 02118 | — |
| Facility #1 | Burlington | Massachusetts | 01805 | — |
| Facility #1 | Newton | Massachusetts | 02459 | — |
| Facility #1 | Ann Arbor | Michigan | 48105-2945 | — |
| Facility #1 | East Lansing | Michigan | — | — |
| Facility #1 | Farmington Hills | Michigan | 48334 | — |
| Facility #1 | Lansing | Michigan | 48824 | — |
| Facility #1 | West Bloomfield | Michigan | 48322 | — |
| Facility #1 | St Louis | Missouri | 63118 | — |
| Facility #1 | Eatontown | New Jersey | 07724 | — |
| Facility #1 | Toms River | New Jersey | 08755 | — |
| Facility #1 | Albany | New York | 12206 | — |
| Facility #1 | Amherst | New York | 14226 | — |
| Facility #1 | Latham | New York | 12110 | — |
| Facility #1 | New York | New York | 10016 | — |
| Facility #2 | New York | New York | 10021 | — |
| Facility #1 | Rochester | New York | 14620 | — |
| Facility #2 | Rochester | New York | 14623 | — |
| Facility #1 | Charlotte | North Carolina | 28211 | — |
| Facility #1 | Centerville | Ohio | 45459 | — |
| Facility #1 | Oklahoma City | Oklahoma | 73112 | — |
| Facility #2 | Oklahoma City | Oklahoma | 73116 | — |
| Facility #2 | Portland | Oregon | 97210 | — |
| Facility #1 | Portland | Oregon | 97239 | — |
| Facility #1 | Abington | Pennsylvania | 19001 | — |
| Facility #1 | Jenkintown | Pennsylvania | 19046 | — |
| Facility #1 | East Providence | Rhode Island | 02914 | — |
| Facility #1 | Knoxville | Tennessee | 37920 | — |
| Facility #1 | Austin | Texas | 78757 | — |
| Facility #1 | Dallas | Texas | 75214 | — |
| Facility #2 | Dallas | Texas | — | — |
| Facility #1 | Houston | Texas | 77074 | — |
| Facility #1 | San Antonio | Texas | 78229 | — |
| Facility #2 | San Antonio | Texas | 78229 | — |
| Facility #3 | San Antonio | Texas | 78229 | — |
| Facility #1 | Bennington | Vermont | 05201 | — |
| Facility #1 | Richmond | Virginia | 23294 | — |
| Facility #1 | Milwaukee | Wisconsin | 53226 | — |
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 78 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01767311, 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 Mar 3, 2026 · Synced May 11, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01767311 live on ClinicalTrials.gov.