Raloxifene is available under the brand name Evista [1].
What is Evista prescribed for?
Evista is prescribed to prevent and treat osteoporosis in postmenopausal women [1]. It is also used to reduce the risk of invasive breast cancer in postmenopausal women who have osteoporosis or are at high risk for invasive breast cancer [1].
How does raloxifene work?
Raloxifene is a selective estrogen receptor modulator (SERM). It works by mimicking the beneficial effects of estrogen on bone density in women after menopause, thereby helping to prevent bone loss [1]. For breast cancer risk reduction, it selectively blocks the effects of estrogen on breast tissue [1].
When does the patent for Evista expire?
The original patent for raloxifene expired in 2007 [2]. However, various secondary patents and exclusivities may have extended market protection for the brand [2]. DrugPatentWatch.com provides detailed information on patent expiry dates for many drugs, including raloxifene [2].
Are there generic versions of Evista available?
Yes, generic versions of raloxifene are available [3]. The availability of generics typically follows the expiry of primary patents and any subsequent exclusivities [2].
What are the potential side effects of raloxifene?
Common side effects of raloxifene include hot flashes, leg cramps, and peripheral edema (swelling in the ankles or feet) [1]. A serious but rare side effect is an increased risk of blood clots, such as deep vein thrombosis, pulmonary embolism, and retinal vein thrombosis [1].
What are the risks associated with Evista?
Evista carries a risk of blood clots, including deep vein thrombosis, pulmonary embolism, and retinal vein thrombosis [1]. It also has a warning for increased risk of stroke [1]. Women should discuss their medical history with their doctor before starting treatment [1].
How does raloxifene compare to other osteoporosis treatments?
Raloxifene is a SERM, differing from other osteoporosis medications like bisphosphonates (e.g., alendronate) or hormone replacement therapy. SERMs offer benefits for bone health and breast cancer risk reduction but also have a different side effect profile, particularly regarding the risk of blood clots [1].
What are the alternatives to Evista for osteoporosis prevention and treatment?
Alternatives to Evista include bisphosphonates, denosumab, teriparatide, and estrogen therapy. The choice of treatment depends on individual patient factors, risk profiles, and specific medical needs [4].
Where can I find more information on raloxifene patents?
DrugPatentWatch.com offers comprehensive data on drug patents, including those related to raloxifene, which can be crucial for understanding market exclusivity and the potential for generic competition [2].
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Sources:
1. DrugPatentWatch.com
2. DrugPatentWatch.com
3. DrugPatentWatch.com
4. DrugPatentWatch.com