TUESDAY, July 16, 2024 (HealthDay News) — Self-imposed use cessation dates (SUCD) for multiuse eye drop bottles leads to significant drug waste and associated costs, according to a report published online July 1 in Ophthalmology.
John M. Tan, from the Icahn School of Medicine at Mount Sinai in New York City, and colleagues quantified the volume of drugs discarded in ambulatory clinic settings due to SUCD (discarded after 14 or 28 days) for multidose ophthalmic drops. Bottles slated for disposal at three 14-day intervals from three hospital-based ophthalmology clinics were analyzed for remaining volumes.
The researchers found that over six weeks, 297 bottles were discarded, with an average of 71.9 percent of the total volume of medication remaining in each bottle at the time it was discarded. The average time was 494 days between SUCDs and U.S. Food and Drug Administration-regulated expiration dates (FREDs; median, 533). Given the rate of usage, an estimated 91 percent of the discarded bottles would be fully depleted before expiration if FREDs were followed. An estimated 724,719 drops would be wasted over the year, translating to 188,647 encounters for proparacaine; 98,567 encounters for tropicamide; and 42,866 for phenylephrine. This yielded an extrapolated actual annual cost for eye drops of approximately $111,527.
“We are currently working with the Health System to consider using FDA-regulated expiration dates as the discard dates for our drops and have also instituted measures to reduce the number of bottles that are opened and ultimately wasted,” coauthor Gareth Lema, M.D., PhD., also of the Icahn School of Medicine at Mount Sinai, said in a statement.
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