Associations of Antihypertensive Medication Consumption and Drug-Drug Interaction with Statin and Metformin with Reduced Alzheimer's Disease and Related Dementias Risk among Hypertensive Patients with Mild Cognitive Impairment using High Volume Claims Data
Abstract
BACKGROUND: While hypertension is a modifiable risk factor of Alzheimer's disease and related dementias (ADRD), limited studies have been conducted on the effectiveness of antihypertensive medications (AHMs) in altering the progression from mild cognitive impairment (MCI) to ADRD; similarly, few studies have assessed drug-drug interactions of AHMs with drugs targeted to modify other risk factors of ADRD such as type II diabetes and hypercholesterolemia.
METHOD: 128,683 unique hypertensive patients with MCI on US-based Optum claims data were identified. Diuretics, beta blockers (BBs), calcium channel blockers (CCBs), angiotensin-converting enzyme inhibitors (ACE inhibitors), and angiotensin II receptor antagonists (ARBs) were identified as five major AHM classes. Baseline characteristics were compared. Cox proportional hazards (PH) models were used to study the association between specific AHM exposure and the progression from MCI to ADRD while controlling for demographic variables, comorbidities, and the use of Statins and Metformin. To examine the association of AHM-Statin or AHM-Metformin interaction with ADRD progression, we also investigated models controlling for the aforementioned confounders, as well as drug-drug interactions.
RESULT: The study included 100,678 patients who were taking at least one class of AHM and 28,005 who were not taking any AHMs during the study period. AHM users had a higher incidence of comorbidities (all P≤0.039) and consumption of Metformin…
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