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Real-world determinants of time to initiation of anti-amyloid treatments: comparative data from private and academic
Varun Mehta1, Divya Singh1, Jordyn Kelman2
1Memory and Brain Wellness Center University of Washington Seattle Washington USA.
Introduction:
Earlier anti-amyloid therapy (AAT) initiation results in improved clinical outcomes in Alzheimer's disease (AD). We sought to identify demographic, clinical, and disease-related factors impacting door-to-treatment times (DTTs).
Methods:
A retrospective review of AAT data was conducted at private and academic neurological practices.
Results:
A total of 329 patients (53.2% from private versus 46.8% academic practices), mean age 73.5 ± 7.2 (55.3% female), with most being non-Hispanic White were treated with lecanemab (81.2%) or donanemab (18.2%). DTTs were significantly reduced (p < 0.05) in both practices when diagnosis was confirmed with blood-based biomarkers (BBBs) as well as with greater clinic experience dosing AATs. DTT increased in patients with non-Medicare insurance and was not impacted by diagnosis, referral source, apolipoprotein E genotype status, or clinic distance.
Discussion:
Patients with private insurance may experience greater delay in DTT, whereas BBBs may reduce DTT relative to traditional confirmatory biomarkers. DTT improves with clinic experience.
