Patents currently prevent any generic Isentress products from being manufactured in the United States. The earliest possible date that a generic version could become available is in October 2022, when the first patent expires. However, certain circumstances (such as lawsuits or other patents for specific Isentress uses) could delay the availability of generic Isentress.
Generic Isentress: An OverviewIsentress™ (raltegravir) is a prescription HIV and AIDS medication. It is the first and only medication in a group of HIV drugs known as integrase inhibitors. Isentress is approved only for use in combination with other HIV medications.
Isentress is made by Merck & Co., Inc. It is currently under the protection of patents that prevent any generic Isentress from being manufactured in the United States.