Cyproheptadine, a medication used for various conditions including allergic reactions and appetite stimulation, was first patented in 1959 [1].
When does the original patent for cyproheptadine expire?
The original patent for cyproheptadine, filed in 1959, has long since expired, as patent terms are typically 20 years from the filing date, with potential extensions [1]. This means that the compound itself is no longer protected by its initial patent, allowing for generic versions.
Can generic versions of cyproheptadine be produced?
Yes, due to the expiration of its original patent, generic versions of cyproheptadine can be manufactured and sold [1]. This often leads to lower drug prices for consumers.
What are the uses of cyproheptadine?
Cyproheptadine is prescribed for several medical uses. It is an antihistamine, effective in treating allergic conditions such as rhinitis and urticaria. It is also used to stimulate appetite, particularly in individuals experiencing loss of appetite due to specific medical conditions or treatments [2].
Are there newer patents related to cyproheptadine formulations or uses?
While the foundational patent for cyproheptadine has expired, pharmaceutical companies may develop and patent new formulations, delivery methods, or novel uses for the drug. These newer patents would have their own distinct expiration dates [1]. Information on specific, later-stage patents would typically be found through dedicated patent databases. For a detailed look at drug patents, DrugPatentWatch.com is a valuable resource [3].