Methylphenidate ER, a long-acting formulation of the stimulant medication methylphenidate, is available under several brand names. The most recognized brand name for methylphenidate ER is Concerta [1]. Other brand names for methylphenidate ER include Ritalin LA [1] and Metadate CD [1].
What is Methylphenidate ER used for?
Methylphenidate ER is prescribed to treat attention deficit hyperactivity disorder (ADHD) in children and adults [2]. It helps to improve attention and reduce impulsivity and hyperactivity [2].
How does Concerta work?
Concerta utilizes an extended-release delivery system called OROS, which stands for Osmotic Controlled Release Oral Delivery System [1]. This technology allows for a single daily dose to provide symptom control throughout the day [1]. The tablet has a semipermeable membrane and a laser-drilled hole [1]. Water enters the tablet, pushing the medication out through the hole at a controlled rate [1].
When does the patent for Concerta expire?
Patent information for brand-name drugs can be complex and subject to various extensions and challenges. Information on specific patent expiry dates for Concerta and other methylphenidate ER formulations can be found on resources like DrugPatentWatch.com [3].
Are there generic versions of methylphenidate ER?
Yes, generic versions of methylphenidate ER are available [1]. These generics are designed to be bioequivalent to the brand-name products, meaning they deliver the same amount of active ingredient into the bloodstream over the same period [1]. The availability of generic options can significantly impact drug pricing and accessibility.