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Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/study/NCT03036280




Registration number
NCT03036280
Ethics application status
Date submitted
3/11/2016
Date registered
6/11/2016
Date last updated
3/02/2021

Titles & IDs
Public title
A 24-Month Study to Evaluate the Efficacy and Safety of Elenbecestat (E2609) in Participants With Early Alzheimer's Disease
Scientific title
A Placebo-Controlled, Double-Blind, Parallel-Group, 24 Month Study With an Open-Label Extension Phase to Evaluate the Efficacy and Safety of Elenbecestat (E2609) in Subjects With Early Alzheimer's Disease
Secondary ID [1] 0 0
2016-003928-23
Secondary ID [2] 0 0
E2609-G000-301
Universal Trial Number (UTN)
Trial acronym
MissionAD1
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Condition category
Condition code

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Comparator / control treatment
Control group

Outcomes

Eligibility
Key inclusion criteria
Core Study

* Mild cognitive impairment due to Alzheimer's disease (AD) or mild AD dementia including

1. Mini Mental State Examination score equal to or greater than 24
2. Clinical Dementia Rating (CDR) global score of 0.5
3. CDR Memory Box score of 0.5 or greater
* Impaired episodic memory confirmed by a list learning task
* Positive biomarker for brain amyloid pathology as indicated by either amyloid positron emission tomography or cerebrospinal fluid AD assessment or both

Extension Phase

• Participants who complete the Core Study
Minimum age
50 Years
Maximum age
85 Years
Sex
Both males and females
Can healthy volunteers participate?
No
Key exclusion criteria
Core Study

* Females who are breastfeeding or pregnant at Screening or Baseline. Females of child-bearing potential must use a highly effective method of contraception throughout the entire study period and for 28 days after study drug discontinuation
* Any condition that may be contributing to cognitive impairment above and beyond that caused by the participant's AD
* Participants with a history of seizures within 5 years of Screening
* History of transient ischemic attacks or stroke within 12 months of Screening
* Psychiatric diagnosis or symptoms (example, hallucinations, major depression, delusions etc.)
* Suicidal ideation or any suicidal behavior within 6 months before Screening or has been hospitalized or treated for suicidal behavior in the past 5 years
* Have any contraindications to magnetic resonance imaging (MRI) scanning or

1. Have lesions that could indicate a dementia diagnosis other than AD on brain MRI
2. Exhibit other significant pathological findings on brain MRI.
* Participants who have a history of moderate to severe hepatic impairment (example, Child-Pugh Class B or C)
* Results of laboratory tests conducted during Screening that are outside the following limits:

1. Absolute lymphocyte count below the lower limit of normal (LLN)
2. Thyroid stimulating hormone above normal range
3. Abnormally low Vitamin B12 levels
* Participants at increased risk of infection
* Have received any live vaccine/live attenuated vaccine in the 3 months before randomization
* Any chronic inflammatory disease that is not adequately controlled or that requires systemic immunosuppressive or immunomodulatory therapy
* Any other clinically significant abnormalities
* Severe visual or hearing impairment
* A prolonged corrected QT (QTc) interval (QT interval with Fridericia's correction [QTcF] greater than 450 milliseconds [ms])
* Malignant neoplasms within 5 years of Screening
* Known or suspected history of drug or alcohol abuse
* Taking prohibited medications, which must be reviewed with the Investigator
* Have participated in a recent clinical study

Note: Other protocol-defined Inclusion/Exclusion Criteria may apply.

Study design
Purpose of the study
Treatment
Allocation to intervention
Randomised controlled trial
Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Masking / blinding
Blinded (masking used)
Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
Intervention assignment
Parallel
Other design features
Phase
Phase 3
Type of endpoint/s
Statistical methods / analysis

Recruitment
Recruitment status
Stopped early
Data analysis
Reason for early stopping/withdrawal
Other reasons
Date of first participant enrolment
Anticipated
Actual
20/10/2016
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
15/01/2020
Sample size
Target
Accrual to date
Final
2212
Recruitment in Australia
Recruitment state(s)

Funding & Sponsors
Primary sponsor type
Commercial sector/industry
Name
Eisai Co., Ltd.
Address
Country

Ethics approval
Ethics application status

Summary
Brief summary
Trial website
Trial related presentations / publications
Public notes

Contacts
Principal investigator
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for public queries
Name 0 0
Address 0 0
Country 0 0
Phone 0 0
Fax 0 0
Email 0 0
Contact person for scientific queries

No information has been provided regarding IPD availability


What supporting documents are/will be available?

No Supporting Document Provided



Results publications and other study-related documents

No documents have been uploaded by study researchers.

Results are available at https://clinicaltrials.gov/study/NCT03036280