The ANZCTR website is back online for trial registration and updates. We apologise for any inconvenience caused while the site was inactive.


With activity expected to increase on the ANZCTR again, there may be extended wait times while we process pending studies, with priority being given to those trials submitted in February. Thank you for your patience.


Reset your password and enable multi-factor authentication (MFA)


For ANZCTR account holders: to help ensure the cyber safety of your account, you’ll need to reset your password and set-up multi-factor authentication (MFA) as per the instructions below.


  1. Go to the Login page, click ‘reset password’ and follow the instructions.
  2. Check your email for the link to set a new password.
  3. Create a new password that meets requirements.
  4. Return to the Login page and enter your new password. A verification code will be sent to your email.
  5. Check your email for the code and enter it on the Login page. If the code is entered incorrectly, you can re-enter the correct one or request a new one.

Learn more about MFA and its importance on the Australian Signals Directorate website.

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been endorsed by the ANZCTR. Before participating in a study, talk to your health care provider and refer to this information for consumers
Trial details imported from ClinicalTrials.gov

For full trial details, please see the original record at https://clinicaltrials.gov/study/NCT06424236




Registration number
NCT06424236
Ethics application status
Date submitted
16/04/2024
Date registered
22/05/2024

Titles & IDs
Public title
Dominantly Inherited Alzheimer Network Trial: An Opportunity to Prevent Dementia: A Study of Potential Disease Modifying Treatments in Individuals at Risk for or With a Type of Early Onset Alzheimer's Disease Caused by a Genetic Mutation
Scientific title
A Phase II/III Multicenter Randomized, Double-Blind, Placebo-Controlled Platform Trial of Potential Disease Modifying Therapies Utilizing Biomarker, Cognitive, and Clinical Endpoints in Dominantly Inherited Alzheimer's Disease
Secondary ID [1] 0 0
The Alzheimer's Association
Secondary ID [2] 0 0
DIAN-TU-001 (Gant OLE)
Universal Trial Number (UTN)
Trial acronym
DIAN-TU
Linked study record

Health condition
Health condition(s) or problem(s) studied:
Alzheimers Disease 0 0
Dementia 0 0
Alzheimers Disease, Familial 0 0
Condition category
Condition code
Neurological 0 0 0 0
Alzheimer's disease
Neurological 0 0 0 0
Dementias

Intervention/exposure
Study type
Interventional
Description of intervention(s) / exposure
Treatment: Drugs - Gantenerumab

Experimental: Gantenerumab Open Label Extension - Gantenerumab: Subcutaneously every 4 weeks, at escalating doses; at target, dosing was every 2 weeks


Treatment: Drugs: Gantenerumab
Open-label administered Subcutaneously every 4 weeks, at escalating doses; at target, dosing was every 2 weeks

Intervention code [1] 0 0
Treatment: Drugs
Comparator / control treatment
Control group

Outcomes
Primary outcome [1] 0 0
Change From Baseline in Composite [11C] Pittsburgh Compound B (PiB)-Positron Emission Tomography (PET) Composite Standardized Uptake Value Ratio (C-SUVR) at Weeks 52, 104 and 156
Timepoint [1] 0 0
Baseline (Day 1) and Weeks 52, 104 and 156
Secondary outcome [1] 0 0
Change From Baseline in Clinical Dementia Rating (CDR) - Sum of Boxes Score at Weeks 52, 104 and 156
Timepoint [1] 0 0
Baseline (Day 1) and Weeks 52, 104 and 156
Secondary outcome [2] 0 0
Change From Baseline in Clinical Dementia Rating - Global Score at Weeks 52, 104 and 156
Timepoint [2] 0 0
Baseline (Day 1) and Weeks 52, 104 and 156
Secondary outcome [3] 0 0
Change From Baseline in Functional Assessment Scale (FAS) at Weeks 52, 104 and 156
Timepoint [3] 0 0
Baseline (Day 1) and Weeks 52, 104 and 156
Secondary outcome [4] 0 0
Change From Baseline in Mini-Mental State Examination (MMSE) at Weeks 24, 52, 76, 104, 128 and 156
Timepoint [4] 0 0
Baseline (Day 1) and Weeks 24, 52, 76, 104, 128 and 156
Secondary outcome [5] 0 0
Change From Baseline in Tau Positron Emission Tomography Binding Partial Volume Corrected Standardized Uptake Value Ratio (Tau PET SUVR) at Weeks 52, 104 and 156
Timepoint [5] 0 0
Baseline (Day 1) and Weeks 52, 104 and 156
Secondary outcome [6] 0 0
Change From Baseline in Phosphorylated Tau (pTau)-181 in Cerebrospinal Fluid (CSF) at Weeks 52, 104 and 156
Timepoint [6] 0 0
Baseline (Day 1) and Weeks 52, 104 and 156
Secondary outcome [7] 0 0
Change From Baseline in Neurofilament Light Chain (NfL) in Cerebrospinal Fluid at Weeks 52, 104 and 156
Timepoint [7] 0 0
Baseline (Day 1) and Weeks 52, 104 and 156
Secondary outcome [8] 0 0
Change From Baseline in Amyloid Beta1-42/40 Ratio in Cerebrospinal Fluid at Weeks 52, 104 and 156
Timepoint [8] 0 0
Baseline (Day 1) and Weeks 52, 104 and 156
Secondary outcome [9] 0 0
Change From Baseline in DIAN-TU Open Label Extension Cognitive Composite Score at Weeks 52, 104 and 156
Timepoint [9] 0 0
Baseline (Day 1) and Weeks 52, 104 and 156

Eligibility
Key inclusion criteria
* Between 18-80 years of age
* Individuals who know they have an Alzheimer's disease-causing mutation
* Individuals who have participated in the double-blind period
* In the opinion of the investigator and sponsor, treatment is not contraindicated for safety
* Capable of receiving drug and appropriate clinical safety assessment
* Able to undergo Magnetic Resonance Imaging (MRI), Lumbar Puncture (LP), Positron Emission Tomography (PET), and complete all study related testing and evaluations.
* For women of childbearing potential, if partner is not sterilized, subject must agree to use effective contraceptive measures (hormonal contraception, intra-uterine device, sexual abstinence, barrier method with spermicide).
* Adequate visual and auditory abilities to perform all aspects of the cognitive and functional assessments.
* Has a Study Partner who in the investigator's judgment is able to provide accurate information as to the subject's cognitive and functional abilities, who agrees to provide information at the study visits which require informant input for scale completion.
Minimum age
18 Years
Maximum age
80 Years
Sex
Both males and females
Can healthy volunteers participate?
Yes
Key exclusion criteria
* History or presence of brain MRI scans indicative of any other significant abnormality
* Alcohol or drug dependence currently or within the past 1 year
* Presence of pacemakers, aneurysm clips, artificial heart valves, ear implants, or foreign metal objects in the eyes, skin or body which would preclude MRI scan.
* History or presence of clinically significant cardiovascular disease, hepatic/renal disorders, infectious disease or immune disorder, or metabolic/endocrine disorders
* Anticoagulants except low dose (= 325 mg) aspirin.
* Have been exposed to a monoclonal antibody targeting beta amyloid peptide within the past six months.
* History of cancer within the last 5 years, except basal cell carcinoma, non-squamous skin carcinoma, prostate cancer or carcinoma in situ with no significant progression over the past 2 years.
* Positive urine or serum pregnancy test or plans or desires to become pregnant during the course of the trial.
* Subjects unable to complete all study related testing, including implanted metal that cannot be removed for MRI scanning, required anticoagulation and pregnancy.

Study design
Purpose of the study
Treatment
Allocation to intervention
Not applicable
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
Open (masking not used)
Who is / are masked / blinded?



Intervention assignment
Single group
Other design features
Phase
Phase 2
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
Date of last participant enrolment
Anticipated
Actual
Date of last data collection
Anticipated
Actual
Sample size
Target
Accrual to date
Final
Recruitment in Australia
Recruitment state(s)
NSW,VIC,WA
Recruitment hospital [1] 0 0
Neuroscience Research Australia - Randwick
Recruitment hospital [2] 0 0
Mental Health Research Institute - Melbourne
Recruitment hospital [3] 0 0
The McCuster Foundation of Alzheimer's Disease Research - Nedlands
Recruitment postcode(s) [1] 0 0
2031 - Randwick
Recruitment postcode(s) [2] 0 0
3010 - Melbourne
Recruitment postcode(s) [3] 0 0
6009 - Nedlands
Recruitment outside Australia
Country [1] 0 0
United States of America
State/province [1] 0 0
Alabama
Country [2] 0 0
United States of America
State/province [2] 0 0
California
Country [3] 0 0
United States of America
State/province [3] 0 0
Georgia
Country [4] 0 0
United States of America
State/province [4] 0 0
Indiana
Country [5] 0 0
United States of America
State/province [5] 0 0
Missouri
Country [6] 0 0
United States of America
State/province [6] 0 0
Pennsylvania
Country [7] 0 0
United States of America
State/province [7] 0 0
Rhode Island
Country [8] 0 0
United States of America
State/province [8] 0 0
Washington
Country [9] 0 0
France
State/province [9] 0 0
Haute Garonne
Country [10] 0 0
France
State/province [10] 0 0
Paris
Country [11] 0 0
France
State/province [11] 0 0
Seine Maritime
Country [12] 0 0
Puerto Rico
State/province [12] 0 0
San Juan
Country [13] 0 0
Spain
State/province [13] 0 0
Barcelona
Country [14] 0 0
United Kingdom
State/province [14] 0 0
Greater London

Funding & Sponsors
Primary sponsor type
Other
Name
Washington University School of Medicine
Address
Country
Other collaborator category [1] 0 0
Commercial sector/industry
Name [1] 0 0
Hoffmann-La Roche
Address [1] 0 0
Country [1] 0 0
Other collaborator category [2] 0 0
Other
Name [2] 0 0
Alzheimer's Association
Address [2] 0 0
Country [2] 0 0
Other collaborator category [3] 0 0
Government body
Name [3] 0 0
National Institute on Aging (NIA)
Address [3] 0 0
Country [3] 0 0

Ethics approval
Ethics application status

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

Contacts
Principal investigator
Name 0 0
Randall J Bateman, MD
Address 0 0
Washington University School of Medicine
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

Data sharing statement


What supporting documents are/will be available?

TypeOther DetailsAttachment
Study protocol
Statistical analysis plan



Results publications and other study-related documents

TypeCitations or Other Details
Journal Bateman, Randall J., Yan Li, Eric McDade, Jorge J.... [More Details]