Generic or Brand-Name Drugs: You Decide

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The cost of medication in the United States can be very expensive. Finding ways to cut costs is important and necessary to many Americans. Buying generic instead of brand-name drugs is one way to save money. However, not all generic drugs are equal to their brand-name counterpart. Generic Drugs According to the Food and Drug Administration (FDA), 158 billion dollars was saved by Americans in 2010 simply by purchasing FDA-approved generic drugs instead of brand-name drugs. At that time, generic drugs cost on average 80-85% less than the brand-name medication with eight out ten prescriptions being filled with generic drugs. The reason generic drugs are less expensive than their brand-name counterpart is because the FDA does not require the manufacturers to repeat clinical trials for safety and efficacy and these drugs are typically not advertised, marketed, or promoted (Food and Drug Administration, 2013). Generic drugs must be equal to the brand-name drug. The FDA requires generic drugs to contain the same active ingredient, the dosage form must be identical, strength must be the same, and route of administration must be the same as the brand-name drug in order to obtain FDA approval (Food and Drug Administration, 2013). The manufacturer must also prove the generic drug delivers the same amount of the active ingredient as the brand-name drug. This bioequivalence assists in drawing the conclusion that the generic and brand-name drug will produce therapeutic results that are very similar (Food and Drug Administration, 2012). Bioequivalence Studies The FDA-required bioequivalence studies typically are conducted on a small group of healthy individuals. These studies do not use individuals that have been diagnosed with the condition the medication is used to treat. Therefore, age and disease-related factors and patient-related variables are not taken into account. Also, these studies are only single-dose studies which do not take into account the cumulative effects of dosing (Johnston, Stafylas, & Stergiou, 2010). Recommendations are made by the FDA on bioequivalence using ratings. If the FDA rates a generic with an “A”, this means the generic and brand-name drug are interchangeable. A “B” rating translates to not recommending a substitution with the generic drug (Barrett, 2010). In a recent review by the FDA in more than 270 generic drugs, the average difference between the generic and brand-name counterpart was 3.5%. This percentage is very similar to what is expected and found between batches of brand-name drugs (Food and Drug Administration, 2012).

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