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The Independent Institute
Working Paper #10

The Anomaly of Off-Label Drug Prescriptions


Abstract: It is commonly thought that the FDA regulates the use of all drugs in the United States. In fact, most hospital patients are given drugs which are not FDA approved for the prescribed use. Once a drug has been approved for some use, the FDA has almost no control over how that drug is prescribed. Since old drugs with new uses are a substitute for new drugs, the practice of off-label prescribing is a regulatory anomaly. If there are good reasons for the FDA to have strong pre-approval powers shouldn't FDA post-approval powers be commensurate? Alternatively, if there are good reasons for widespread off-label prescribing doesn't this call into question the FDA's pre-approval powers? The unregulated off-label market gives us some idea of what the pharmaceutical market would look like absent the FDA's requirement to test drugs for efficacy. The net benefits of the unregulated off-label market appear to be large thus suggesting that the pre-approval market for pharmaceuticals is over regulated.

A paper based on this work has now been published as:
Tabarrok, Alexander. 2000. Assessing the FDA via the Anomaly of Off-Label Drug Prescribing. The Independent Review Vol 5 #1: 25-53.

Alexander Tabarrok is Senior Fellow at The Independent Institute, Assistant Editor of The Independent Review, and Associate Professor of Economics at George Mason University. He received his Ph.D. in economics from George Mason University, and he has taught at the University of Virginia and Ball State University. Dr. Tabarrok is the editor of The Independent Institute books, Entrepreneurial Economics (Oxford University Press), The Voluntary City (with David Beito and Peter Gordon, University of Michigan Press), and Changing the Guard: Private Prisons and the Control of Crime.


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