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Tau Positron Emission Tomography (PET) Longitudinal Substudy Associated With: Study of Crenezumab Versus in Preclinical Presenilin1 (PSEN1) E280A Carriers in the of Autosomal-Dominant Alzheimer's Disease
Neurodegenerative Disorder Alzheimer's Disease (AD)
Basic Details
Sponsor
Hoffmann-La Roche
Phase
Phase 2
Trial Identifier
NCT03977584, BN40199
Condition
Alzheimer Disease
Official Title
Tau PET Longitudinal Substudy Associated With: A Double-Blind, Placebo-Controlled Parallel-Group Study in Preclinical PSEN1 E280A Mutation Carriers Randomized to Crenezumab or Placebo, and in Non-randomized, Placebo-treated Non-carriers From the Same Kindred, to Evaluate the Efficacy and Safety of Crenezumab in the Treatment of Autosomal-Dominant Alzheimer's Disease
Study Summary
This substudy will evaluate the effect of crenezumab on the longitudinal tau burden in a subgroup of preclinical Presenilin1 (PSEN1) E280A mutation carriers and non-carriers, who were enrolled in study NCT01998841 (GN28352). Participants will receive up to three intravenous (IV) injections of [^18F] Genentech Tau Probe 1 (GTP1) and will undergo a tau positron emission tomography (PET) scan after each IV injection of [18^F]GTP1. The purpose of this substudy is to increase the understanding of disease progression in the preclinical stage of familial Alzheimer's Disease (AD).
Eligibility Criteria
All
≥30 Years & ≤ 60 Years
No
Inclusion Criteria
- Enrolled in main Study NCT01998841 (GN28352).
Exclusion Criteria
- Contraindication to PET scan procedures, possibly including, but not limited to current, past, or planned participation in studies involving radioactive agents, including the main Study NCT01998841 (GN28352) and this Tau PET substudy, such that the total research-related radiation dose to the participant in any given year would exceed the limits set forth in the U.S. Code of Federal Regulations (CFR) Title 21 Section 361.
The source of the below information is public registry websites such as ClinicalTrials.gov, EuClinicalTrials.eu, ISRCTN.com, etc.. It has been summarised and edited into simpler language. For more information about this clinical study see the For Expert tab on the specific ForPatients page or follow these links to https://clinicaltrials.gov and/or https://euclinicaltrials.eu and/or https://www.isrctn.com.
The information is taken directly from public registry websites such as ClinicalTrials.gov, EuClinicalTrials.eu, ISRCTN.com, etc., and has not been edited.
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For the latest version of this information please go to www.forpatients.roche.com