See the DrugPatentWatch profile for buspar
Buspirone, commonly known by the brand name Buspar, is manufactured by multiple pharmaceutical companies.
What companies currently market Buspar?
In the United States, the original manufacturer, Bristol-Myers Squibb, is no longer the primary marketer of Buspar. Instead, generic versions of buspirone hydrochloride are widely available from various pharmaceutical companies, including but not limited to Teva Pharmaceuticals, Mylan (now Viatris), and Aurobindo Pharma [1].
When did Buspar first become available?
Buspar was first approved by the U.S. Food and Drug Administration (FDA) in 1986 [2].
What is Buspar used to treat?
Buspar is primarily prescribed for the treatment of anxiety disorders. It is a non-benzodiazepine anxiolytic medication [3].
How does buspirone work?
The exact mechanism of action for buspirone is not fully understood. However, it is believed to primarily act as a partial agonist of the serotonin 5-HT1A receptor. It also has some activity at dopamine D2 receptors [3]. Unlike benzodiazepines, it does not typically cause sedation or have a high potential for abuse [4].
Are there different forms or strengths of Buspar?
Buspirone hydrochloride is available in tablet form. Common strengths include 5 mg, 10 mg, 15 mg, and 30 mg [1].
What is the patent status for Buspar?
The original patents for buspirone have long expired, allowing for the production of generic versions. Information on specific patent expirations and any subsequent patent litigation related to buspirone can be found on patent tracking websites like DrugPatentWatch.com [5].
How does buspirone compare to other anxiety medications?
Buspirone differs from benzodiazepines like Xanax or Valium in its mechanism and side effect profile. It generally takes several weeks to reach its full therapeutic effect and is not used for acute panic attacks. Compared to antidepressants sometimes used for anxiety, buspirone has a different pharmacological action and may be preferred by some patients due to fewer sedative side effects [4].
What are the common side effects of buspirone?
Common side effects associated with buspirone use can include dizziness, nausea, headache, nervousness, and lightheadedness. More serious side effects are rare but can occur [3].
How is buspirone prescribed?
Buspirone is typically taken orally one to three times a day. The dosage is usually adjusted gradually by a healthcare provider to find the most effective and well-tolerated regimen [4].
Sources:
[1] https://www.drugpatentwatch.com/drugs/buspirone
[2] https://www.accessdata.fda.gov/drugsatfda_docs/label/2001/019837s026lbl.pdf
[3] https://medlineplus.gov/druginfo/meds/a687001.html
[4] https://www.ncbi.nlm.nih.gov/books/NBK548774/
[5] https://www.drugpatentwatch.com/