• J Gen Intern Med · Mar 2019

    A Survey of Patients' Perceptions of Pill Appearance and Responses to Changes in Appearance for Four Chronic Disease Medications.

    • Ameet Sarpatwari, Joshua J Gagne, Zhigang Lu, Eric G Campbell, Wendy J Carman, Cheryl L Enger, Sarah K Dutcher, Wenlei Jiang, and Aaron S Kesselheim.
    • Program On Regulation, Therapeutics, And Law (PORTAL), Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA. asarpatwari@bwh.harvard.edu.
    • J Gen Intern Med. 2019 Mar 1; 34 (3): 420-428.

    BackgroundGeneric versions of a drug can vary in appearance, which can impact adherence.ObjectiveTo assess the preferences, perceptions, and responses of patients who experienced a change in the appearance of a generic medication.DesignCross-sectional survey of patients from a large commercial health plan.ParticipantsAdults receiving generic versions of lisinopril, fluoxetine, lamotrigine, or simvastatin who experienced a change in the color or shape of their pills between March 2014 and November 2015.Main MeasuresLikert-scale responses to questions concerning perceptions of generic drug safety and effectiveness, reliance on and preferences for pill appearance, and responses to pill appearance changes. Multivariable logistic regression-modeled predictors of seeking advice and adjusting use following a pill appearance change.Key ResultsOf 814 respondents (response rate = 41%), 72% relied on pill appearance to ensure they took the correct medication. A similar percentage wanted their pills to remain the same color (72%), shape (71%), and size (75%) upon refill, but 58% would not have paid a $1 premium on a $5 co-pay to ensure such consistency. Most respondents (86%) wanted their pharmacists to notify them about pill appearance changes, but only 37% recalled such notification; 21% thought they received the wrong medication, and 8% adjusted medication use. Younger respondents (18-33 vs. 50-57 years) were more likely to seek advice (odds ratio [OR] = 1.91; 95% confidence interval [CI],1.02-3.59), and respondents with lower household income (< $30,000 vs. > $100,000) were more likely to adjust medication use (OR = 3.40; 95% CI,1.09-10.67).ConclusionsRequiring uniform pill appearance may help increase adherence but presents challenges. Standardized pharmacy notification and education policies may be a more feasible short-term solution.

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