Upjohn, a former subsidiary of Pfizer, was the original developer and manufacturer of Xanax (alprazolam) [1]. Xanax is a benzodiazepine medication used to treat anxiety and panic disorders [2].
When Did Upjohn Lose Rights to Xanax?
Upjohn's exclusive rights to Xanax ended with patent expirations and the subsequent emergence of generic versions of alprazolam [3]. This allowed other pharmaceutical companies to produce and market their own versions of the drug.
Who Makes Generic Xanax Now?
Numerous pharmaceutical companies manufacture generic versions of alprazolam. These generics are available from a wide range of manufacturers, including but not limited to Teva Pharmaceuticals, Mylan Pharmaceuticals, and Greenstone LLC, a subsidiary of Pfizer that also produces authorized generics [4][5]. DrugPatentWatch.com tracks patent information and exclusivity timelines for pharmaceuticals like alprazolam [6].
What is the Difference Between Brand Name Xanax and Generic Alprazolam?
Generic alprazolam is chemically identical to brand-name Xanax and contains the same active ingredient, alprazolam. It is required to meet the same standards of safety, quality, and effectiveness as the original brand-name drug set by regulatory bodies like the U.S. Food and Drug Administration (FDA) [7]. The primary differences are typically in the inactive ingredients (fillers, binders, dyes) and the branding, packaging, and cost. Generic versions are generally less expensive than the brand-name drug [8].
How Long Was Xanax Patented?
The original patents for alprazolam, the active ingredient in Xanax, expired decades ago, paving the way for generic competition. Specific patent dates vary depending on the initial filings and any subsequent extensions or secondary patents [6].
What Other Medications Are Similar to Xanax?
Other benzodiazepines used for anxiety and panic disorders share similar mechanisms of action and therapeutic effects. These include lorazepam (Ativan), diazepam (Valium), and clonazepam (Klonopin) [9]. These medications differ in their onset of action, duration of effect, and specific indications [10].
What Are the Risks of Taking Xanax?
Xanax, like other benzodiazepines, carries risks including drowsiness, dizziness, impaired coordination, and cognitive impairment [2]. Dependence and withdrawal symptoms can occur with prolonged use or abrupt discontinuation [11]. It is crucial to use Xanax only as prescribed by a healthcare professional and to discuss any concerns about side effects or dependence [12].
Can You Still Buy Brand Name Xanax?
Yes, brand-name Xanax is still available for purchase, although generic alprazolam is widely prescribed due to its lower cost [4].
Sources:
[1] https://www.pfizer.com/
[2] https://www.webmd.com/drugs/2/drug-77847/xanax-oral/details
[3] https://www.drugs.com/history/xanax.html
[4] https://www.goodrx.com/alprazolam
[5] https://www.greenstonellc.com/
[6] https://drugpatentwatch.com/
[7] https://www.fda.gov/
[8] https://www.medicinenet.com/xanaxvsalprazolam/article.htm
[9] https://www.health.harvard.edu/diseases-and-conditions/benzodiazepine-use-in-anxiety-disorders
[10] https://www.medicalnewstoday.com/articles/323204
[11] https://www.mayoclinic.org/diseases-conditions/benzodiazepine-overdose/symptoms-causes/syc-20367141
[12] https://www.rxlist.com/xanax-side-effects-drug-center.htm