Mealtime-related dosing directions for proton-pump inhibitors in gastroesophageal reflux disease: physician knowledge, patient adherence
Abstract
OBJECTIVE To describe physicians' knowledge, patients' adherence, and perceptions of both regarding mealtime-related dosing directions for proton-pump inhibitors (PPIs). DESIGN Chart review and survey of patients and physicians. SETTING United States, with data collected between January and July 2011. PARTICIPANTS Patients being treated for gastroesophageal reflux disease (GERD) with PPIs and their prescribing physicians. MAIN OUTCOME MEASURES Patient- and physician-reported perception of PPI mealtime-related directions as important/inconvenient (seven-point Likert scale; 7 = very important/very inconvenient); physician-reported knowledge of PPI mealtime-related dosing directions based on whether the agent is labeled to be taken 30-60 minutes before eating (DIR-esomeprazole magnesium [Nexium-AstraZeneca], lansoprazole, and omeprazole) or labeled to be taken regardless of meals (NoDIR-dexlansoprazole [Dexilant-Takeda], rabeprazole, and pantoprazole); and patient-reported PPI mealtime-related directions received and adherence to directions. RESULTS Physicians (n = 262) recruited 501 patients who had been prescribed PPIs (262 DIR/239 NoDIR; mean age 51 years, 37% men, 56% nonerosive GERD [29% undocumented]). Across PPIs, physicians frequently reported incorrect directions or "did not know directions" (29% for esomeprazole to 69% for pantoprazole). While 98% of patients reported receiving directions from their physicians and 55% from their pharmacists, only 65% of DIR patients…
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