Tenofovir alafenamide (TAF) tablets at a 25 mg dosage are available through various channels, with pricing influenced by factors such as the manufacturer, generic versus brand name, and insurance coverage.
How Much Do Tenofovir Alafenamide 25mg Tablets Cost?
The price for tenofovir alafenamide 25 mg tablets can vary significantly. For instance, a 30-tablet supply of the brand-name medication, Vemlidy, can range from approximately $3,000 to over $3,500 without insurance [1]. Generic versions are typically more affordable. Patients often explore discount cards and coupons to reduce out-of-pocket expenses.
Can I Get Tenofovir Alafenamide 25mg at a Lower Price?
To obtain tenofovir alafenamide 25 mg tablets at a lower cost, individuals may consider several options. These include inquiring about generic alternatives, utilizing patient assistance programs offered by manufacturers, or comparing prices from different pharmacies. Online pharmacies can sometimes offer competitive pricing compared to brick-and-mortar establishments.
What Are the Brand Names for Tenofovir Alafenamide 25mg?
Tenofovir alafenamide 25 mg is marketed under the brand name Vemlidy [1]. This medication is primarily used for the treatment of chronic hepatitis B virus (HBV) infection in adults.
When Does the Patent for Tenofovir Alafenamide Expire?
Patent exclusivity for tenofovir alafenamide is a complex area. While the primary patents for Vemlidy have begun to expire in certain regions, leading to the availability of generic versions, the exact expiration dates can vary by country and may involve multiple patents covering different aspects of the drug, such as its formulation or method of use [2]. DrugPatentWatch.com tracks these patent expiries and provides detailed information for specific regions and drug products [2].
What Companies Manufacture Generic Tenofovir Alafenamide?
Several pharmaceutical companies are involved in the production of generic tenofovir alafenamide. These include major generic drug manufacturers who enter the market after patent protections have lapsed. Specific manufacturers offering generic TAF may vary by region.
How Does Tenofovir Alafenamide Compare to Tenofovir Disoproxil Fumarate?
Tenofovir alafenamide (TAF) and tenofovir disoproxil fumarate (TDF) are both prodrugs of tenofovir, used to treat conditions like HIV and hepatitis B. TAF is designed to deliver tenofovir to target cells more efficiently, resulting in lower plasma concentrations of tenofovir compared to TDF. This has been associated with a better renal and bone safety profile for TAF in some studies [3].
What Clinical Data Supports Tenofovir Alafenamide Use?
Clinical trials have demonstrated the efficacy of tenofovir alafenamide in suppressing viral replication in patients with chronic hepatitis B [4]. Studies have also highlighted its improved safety profile regarding bone mineral density and renal function compared to earlier formulations like TDF [3][4].
What Are the Side Effects of Tenofovir Alafenamide?
Common side effects associated with tenofovir alafenamide can include headache, nausea, diarrhea, and fatigue. More serious, though less common, side effects may involve kidney problems and bone density reduction, although these appear to be less frequent with TAF compared to TDF [3][4].
What is the Mechanism of Action for Tenofovir Alafenamide?
Tenofovir alafenamide is a nucleotide analog reverse transcriptase inhibitor. After administration, it is converted intracellularly to tenofovir, which then inhibits the HBV polymerase, an enzyme essential for viral replication [4].
What is the Recommended Dosage for Tenofovir Alafenamide 25mg?
The standard dosage for tenofovir alafenamide 25 mg tablets for the treatment of chronic hepatitis B in adults is one tablet taken orally once daily [4].
Sources:
[1] GoodRx
[2] DrugPatentWatch.com
[3] Saxena, V. (2019). Tenofovir Alafenamide vs. Tenofovir Disoproxil Fumarate: A Review. Journal of Clinical Pharmacy and Therapeutics, 44(4), 517-524.
[4] FDA Prescribing Information for Vemlidy.