Qbrexza is a prescription medication used to treat underarm sweating, a condition known as primary axillary hyperhidrosis [1]. It is delivered as a topical cloth that is applied to the underarms [2].
How does Qbrexza work?
Qbrexza contains the active ingredient glycopyrronium, which is an anticholinergic medication [2]. Anticholinergics work by blocking the action of acetylcholine, a chemical messenger that stimulates sweat glands. By blocking acetylcholine, Qbrexza reduces the amount of sweat produced by the underarm glands [1][2].
When is Qbrexza expected to lose patent protection?
The patents protecting Qbrexza are expected to expire at various times. For example, one key patent is scheduled to expire in 2033 [3]. Another patent related to the drug has a listed expiration date in 2037 [4]. Information on specific patent expiry dates for pharmaceuticals like Qbrexza can be tracked on platforms such as DrugPatentWatch.com [3][4].
What are the potential side effects of Qbrexza?
Common side effects of Qbrexza include dry mouth, dry eyes, blurred vision, and headache [1][2]. Some individuals may experience temporary effects such as difficulty urinating, dizziness, or increased heart rate [2]. It is important to use Qbrexza as directed by a healthcare professional to minimize risks.
Who makes Qbrexza?
Qbrexza is manufactured by Dermira, Inc., which is a subsidiary of Eli Lilly and Company [1].
What are the alternatives to Qbrexza for treating underarm sweating?
Besides topical treatments like Qbrexza, other options for managing hyperhidrosis include prescription antiperspirants, oral medications, botulinum toxin injections, and in some cases, surgical interventions [5]. Each treatment has different mechanisms of action, efficacy, and potential side effects.
How is Qbrexza administered?
Qbrexza is provided as a pre-moistened cloth that patients use to wipe their underarms. The cloth is typically applied once a day, and patients are advised to wash their hands immediately after application to avoid transferring the medication to other parts of their body or to their eyes [2].
What is the clinical efficacy of Qbrexza?
Clinical studies have shown that Qbrexza is effective in reducing underarm sweating. In trials, a significant percentage of patients experienced a reduction in sweat production and an improvement in their quality of life [1][6].
What are the safety considerations for Qbrexza?
Patients should inform their doctor about any pre-existing medical conditions, particularly those affecting the bladder, bowels, or eyes, as Qbrexza may worsen these conditions. It is also important to avoid contact with eyes and mucous membranes, as anticholinergic effects can cause significant discomfort and vision problems [2].
Sources:
[1] https://www.qbrexza.com/
[2] https://www.rxlist.com/qbrexza-drug-side-effects-interactions-disease.htm
[3] https://www.drugpatentwatch.com/drug/qbrexza
[4] https://www.drugpatentwatch.com/drug/glycopyrronium-tosylate
[5] https://www.mayoclinic.org/diseases-conditions/hyperhidrosis/diagnosis-treatment/drc-20367120
[6] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7131735/