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when will cialis patent expire

Plan to Sell Cialis Over the Counter Announced

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May 28, 2014 -- The maker of the erectile dysfunction drug Cialis on Wednesday announced plans to seek approval to sell the medication over the counter once its patents expire.

The move, which would not come to fruition until Cialis loses patent protection in the United States and Europe in 2017, would allow men to buy the drug without having to first visit a doctor for a prescription, the New York Times  reported.

Under the proposal, the French pharmaceutical company Sanofi would buy the rights to seek approval to sell Cialis over the counter in the United States, Europe, Canada and Australia

from drug maker Eli Lilly, according to the Times .

The move would give Cialis a competitive edge over similar drugs, such as Viagra. But it is not clear whether the idea would sit well with regulators in those countries. Pfizer abandoned a similar plan for Viagra in 2008 after the European Medicines Agency raised safety concerns, the Times  reported.

Cialis should not be taken with some heart medications because it could cause an unsafe drop in blood pressure. the newspaper said.

The U.S. Food and Drug Administration would need to decide what type of additional research would be required to sell Cialis without a prescription, a spokesperson told the newspaper.

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