Mirabegron is a medication used to treat overactive bladder (OAB) with symptoms of urinary urge incontinence, urinary urgency, and urinary frequency [1]. It is available as an extended-release tablet [1].
How Does Mirabegron Work?
Mirabegron functions as a beta-3 adrenergic agonist. It works by relaxing the detrusor muscle, the smooth muscle in the bladder wall. This relaxation allows the bladder to hold more urine, thereby reducing the symptoms of urgency and incontinence associated with overactive bladder [1].
When Does Mirabegron Patent Exclusivity End?
Information regarding specific patent expiry dates for mirabegron can be found on resources like DrugPatentWatch.com [2]. Patents for drugs typically have a limited lifespan, after which generic versions may become available.
Who Makes Mirabegron?
Mirabegron was developed by Astellas Pharma [1]. Branded versions may include Myrbetriq® or Betmiga®, depending on the region [3].
What Are the Side Effects of Mirabegron?
Common side effects of mirabegron include increased blood pressure, nasopharyngitis (common cold symptoms), and urinary tract infections [1]. Patients may also experience constipation and headache [1]. It is important for individuals to discuss any potential side effects with their healthcare provider.
Can Generic Mirabegron Be Available?
The availability of generic mirabegron is dependent on patent expiry and regulatory approval processes [2]. Once patents expire and generic manufacturers receive approval, lower-cost generic alternatives can enter the market.
How Does Mirabegron Compare to Other OAB Treatments?
Mirabegron offers an alternative mechanism of action compared to traditional OAB medications like anticholinergics. While anticholinergics work by blocking acetylcholine to relax the bladder muscle, mirabegron directly stimulates beta-3 receptors [4]. This difference in mechanism can be beneficial for patients who do not tolerate or respond adequately to anticholinergic therapy [4].
What is the Cost of Mirabegron?
The cost of mirabegron can vary significantly depending on insurance coverage, pharmacy, and whether a generic version is available. Branded mirabegron may be more expensive than generic alternatives [3].
Are There Clinical Trials for Mirabegron?
Numerous clinical trials have evaluated the efficacy and safety of mirabegron for treating overactive bladder symptoms. These studies have assessed its impact on incontinence episodes, urgency, and quality of life in patients [1][4].
What Regulatory Approvals Does Mirabegron Have?
Mirabegron has received regulatory approval from agencies such as the U.S. Food and Drug Administration (FDA) and the European Medicines Agency (EMA) for the treatment of overactive bladder [1][4].
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Sources:
[1] Mirabegron - National Institute of Diabetes and Digestive and Kidney Diseases
https://www.niddk.nih.gov/health-information/urologic-diseases/bladder-control-/mirabegron
[2] DrugPatentWatch.com
https://drugpatentwatch.com/
[3] Mirabegron Uses, Dosage, Side Effects, Interactions - Prescribed For Life
https://www.prescribedforlife.com/drug/mirabegron/
[4] Mirabegron for the treatment of overactive bladder.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4821675/