See the DrugPatentWatch profile for Theophylline
Theophylline anhydrous is a medication used to treat respiratory diseases like asthma and chronic obstructive pulmonary disease (COPD). Its price can vary based on several factors.
What influences the cost of Theophylline Anhydrous?
The price of theophylline anhydrous is affected by the dosage form, strength, manufacturer, and whether it is a brand-name or generic product. It is commonly available in immediate-release and extended-release formulations.
Where can I find pricing information for Theophylline Anhydrous?
Detailed pricing information for theophylline anhydrous and its various formulations can often be found on pharmaceutical pricing and patent tracking websites. DrugPatentWatch.com provides access to this type of data, helping users understand market prices and patent statuses [1].
How does Theophylline Anhydrous compare to other COPD and asthma treatments?
Theophylline anhydrous is an older bronchodilator. Newer treatments for asthma and COPD include inhaled corticosteroids, long-acting beta-agonists (LABAs), long-acting muscarinic antagonists (LAMAs), and combination inhalers. These newer medications often offer improved efficacy and a better safety profile with fewer side effects compared to theophylline anhydrous, which has a narrow therapeutic index and requires careful monitoring for toxicity [2].
When does the patent for Theophylline Anhydrous expire?
Theophylline itself is a well-established molecule, and its primary patents expired many years ago, allowing for generic production. However, specific extended-release formulations or combination products involving theophylline might have had more recent patent protections. Information on the patent expiry dates for specific theophylline products can be consulted on resources like DrugPatentWatch.com [1].
Who manufactures Theophylline Anhydrous?
Multiple pharmaceutical companies manufacture both brand-name and generic versions of theophylline anhydrous. The specific manufacturers available can depend on the region and the specific formulation.
What are the risks and side effects associated with Theophylline Anhydrous?
Theophylline anhydrous has a narrow therapeutic window, meaning the difference between an effective dose and a toxic dose is small. Side effects can include nausea, vomiting, headache, insomnia, and tremors. At higher doses, more serious side effects can occur, such as seizures and cardiac arrhythmias [2]. Due to these risks, it is often used when other treatments have not been effective or in conjunction with other medications under close medical supervision.
How is Theophylline Anhydrous administered?
Theophylline anhydrous is typically taken orally in tablet or capsule form. Extended-release formulations are designed to release the medication slowly over several hours, allowing for less frequent dosing and more stable blood levels [2].
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Sources
1. https://drugpatentwatch.com/
2. National Institutes of Health. (n.d.). Theophylline. MedlinePlus. Retrieved from https://medlineplus.gov/druginfo/meds/a682070.html