The effect of generic market entry on antibiotic prescriptions in the United States

  21 May 2021

When patented, brand-name antibiotics lose market exclusivity, generics typically enter the market at lower prices, which may increase consumption of the drug. To examine the effect of generic market entry on antibiotic consumption in the United States, we conducted an interrupted time series analysis of the change in the number of prescriptions per month for antibiotics for which at least one generic entered the US market between 2000 and 2012. Data were acquired from the IQVIA Xponent database. Thirteen antibiotics were analyzed.

Further reading: Nature Communications
Author(s): Cecilia Kållberg, Jemma Hudson, Hege Salvesen Blix, Christine Årdal, Eili Klein, Morten Lindbæk, Kevin Outterson, John-Arne Røttingen & Ramanan Laxminarayan
Effective Surveillance  
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