How many clinical trials are running for lecanemab?

ClinicalTrials.gov currently lists 13 phase 2–4 lecanemab trials: 6 phase 2, 4 phase 3, and 3 phase 4. 3 are actively recruiting.

Are there clinical trials for Leqembi?

Leqembi is the brand name for lecanemab, so lecanemab trials on ClinicalTrials.gov cover it. ClinicalTrials.gov currently lists 13 phase 2–4 lecanemab trials: 6 phase 2, 4 phase 3, and 3 phase 4. 3 are actively recruiting.

Where does this data come from?

All trial data is sourced from ClinicalTrials.gov (CTGov) and refreshed on this page daily.

Can I compare lecanemab against other drugs?

Yes. The free ComplyRx Trial Pipeline tool compares up to five drugs side by side on one timeline, with PNG and PDF export. Add any competitor in the search box above.

Neuroscience · Live ClinicalTrials.gov data

Lecanemab (Leqembi) clinical trial pipeline

ClinicalTrials.gov lists 13 phase 2–4 trials for lecanemab (Leqembi), 3 of them actively recruiting. The next phase 3 primary completion among them is expected Dec 2028. Refreshed daily. Add up to four competitors to compare pipelines side by side.

Phase 2–4 trials

Phase 3 trials

Actively recruiting

Dec 2028

Next phase 3 primary completion

5,524

Participants across trials

Eisai Inc.

Lead sponsor by trial count

lecanemab (13)12 active2012–2032

Hide completed

lecanemab

Key

Actual date

Anticipated

Forecast to primary completion

RecruitingActive, not recruitingNot yet recruitingCompleted

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lecanemab

DIAN-TUP2

A Study to Evaluate Safety, Tolerability, and Efficacy of Lecanemab in Subjects With Early Alzheimer's DiseaseP2

Clarity ADP3

AHEAD 3-45 Study: A Study to Evaluate Efficacy and Safety of Treatment With Lecanemab in Participants With Preclinical Alzheimer's Disease and Elevated Amyloid and Also in Participants With Early Preclinical Alzheimer's Disease and Intermediate AmyloidP3

DIAN-TUP2

12-Month Real-World Safety & Efficacy of Lecanemab in Early Alzheimer's DiseaseP4

DIAN-TUP3

Deep Cervical Lymphatlc-Venous Anastomosis Surgery for the Treatment of Alzheimer's Disease: A Pilot Study (DIVA Study)P3

A Study of E2814 With Concurrent Lecanemab Treatment in Participants With Early Alzheimer's DiseaseP2

The Purpose of This Study is to Evaluate the Safety and Tolerability of X/T+X-EC in Participants With Alzheimer's Disease Who Are Currently Treated With Lecanemab.P2

Evaluating the Efficacy and Safety of Lecanemab in Alzheimer's Disease Through Multi-omics ApproachsP4

ECL-LecanemabP4

REVITAA-ALZP2

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10 ahead · lecanemab

Select a trial to load its full ClinicalTrials.gov record.

Key lecanemab trials

Top 12 of the 13 registered phase 2–4 trials, ordered by phase and status. Trial names open the full ComplyRx trial page; NCT ids link to ClinicalTrials.gov.

Trial	Title	Phase	Status	Primary completion
NCT07604896	Evaluating the Efficacy and Safety of Lecanemab in Alzheimer's Disease Through Multi-omics Appro…	Phase 4	Recruiting	Dec 2027
NCT07688460	ECL-Lecanemab: Evaluation System for Lecanemab Efficacy Using Gold Electrode ECL to Monitor Alzheimer's Biomark…	Phase 4	Recruiting	Mar 2029
NCT07034222	12-Month Real-World Safety & Efficacy of Lecanemab in Early Alzheimer's Disease	Phase 4	Active, not recruiting	Jan 2026
NCT06530732	Deep Cervical Lymphatlc-Venous Anastomosis Surgery for the Treatment of Alzheimer's Disease: A P…	Phase 3	Recruiting	Jun 2026
NCT04468659	AHEAD 3-45 Study: A Study to Evaluate Efficacy and Safety of Treatment With Lecanemab in Partici…	Phase 3	Active, not recruiting	Dec 2028
NCT03887455	Clarity AD: A Study to Confirm Safety and Efficacy of Lecanemab in Participants With Early Alzheimer's Disea…	Phase 3	Active, not recruiting	Jun 2029
NCT06384573	DIAN-TU: DIAN-TU Amyloid Removal Trial (ART) in Dominantly Inherited Alzheimer's Disease	Phase 3	Active, not recruiting	Jun 2030
NCT06602258	A Study of E2814 With Concurrent Lecanemab Treatment in Participants With Early Alzheimer's Dise…	Phase 2	Active, not recruiting	Dec 2026
NCT01760005	DIAN-TU: Dominantly Inherited Alzheimer Network Trial: An Opportunity to Prevent Dementia. A Study of Pot…	Phase 2	Active, not recruiting	Apr 2028
NCT05269394	DIAN-TU: Dominantly Inherited Alzheimer Network Trial: An Opportunity to Prevent Dementia. A Study of Pot…	Phase 2	Active, not recruiting	Apr 2028
NCT07756294	REVITAA-ALZ: Restoring Vascular and Insulin Function To Augment Anti-Amyloid Therapy in Alzheimer's Disease	Phase 2	Not yet recruiting	Apr 2028
NCT07212062	The Purpose of This Study is to Evaluate the Safety and Tolerability of X/T+X-EC in Participants…	Phase 2	Not yet recruiting	Apr 2028

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FAQ

How many clinical trials are running for lecanemab?: ClinicalTrials.gov currently lists 13 phase 2–4 lecanemab trials: 6 phase 2, 4 phase 3, and 3 phase 4. 3 are actively recruiting.
Are there clinical trials for Leqembi?: Leqembi is the brand name for lecanemab, so lecanemab trials on ClinicalTrials.gov cover it. ClinicalTrials.gov currently lists 13 phase 2–4 lecanemab trials: 6 phase 2, 4 phase 3, and 3 phase 4. 3 are actively recruiting.
Where does this data come from?: All trial data is sourced from ClinicalTrials.gov (CTGov) and refreshed on this page daily.
Can I compare lecanemab against other drugs?: Yes. The free ComplyRx Trial Pipeline tool compares up to five drugs side by side on one timeline, with PNG and PDF export. Add any competitor in the search box above.

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Key lecanemab trials

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