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Alzheimers Dement ; 16(7): 1023-1030, 2020 07.
Article in English | MEDLINE | ID: mdl-32418361

ABSTRACT

INTRODUCTION: The API AutosomalDominant AD (ADAD) Colombia Trial is a placebo-controlled clinical trial of crenezumab in 252 cognitively unimpaired 30 to 60-year-old Presenilin 1 (PSEN1) E280A kindred members, including mutation carriers randomized to active treatment or placebo and non-carriers who receive placebo. METHODS: Of the 252 enrolled, we present data on a total of 242 mutation carriers and non-carriers matched by age range, excluding data on 10 participants to protect participant confidentiality, genetic status, and trial integrity. RESULTS: We summarize demographic, clinical, cognitive, and behavioral data from 167 mutation carriers and 75 non-carriers, 30 to 53 years of age. Carriers were significantly younger than non-carriers ((mean age ± SD) 37 ± 5 vs 42 ± 6), had significantly lower Mini Mental Status Exam (MMSE) scores (28.8 ± 1.4 vs 29.2 ± 1.0), and had consistently lower memory scores. DISCUSSION: Although PSEN1 E280A mutation carriers in the Trial are cognitively unimpaired, they have slightly lower MMSE and memory scores than non-carriers. Their demographic characteristics are representative of the local population.


Subject(s)
Alzheimer Disease/genetics , Alzheimer Disease/prevention & control , Antibodies, Monoclonal, Humanized/therapeutic use , Cognition/physiology , Mutation , Presenilin-1/genetics , Adult , Alzheimer Disease/drug therapy , Female , Humans , Male , Middle Aged , Neuropsychological Tests
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