Fareston has been studied in clinical trials that included postmenopausal women with estrogen receptor-positive or estrogen receptor-unknown metastatic breast cancer. In these studies, as many as 31.3 percent of women responded to treatment with this drug. It took a median of 4.9 to 7.3 months for the breast cancer to progress after treatment was started. Furthermore, women survived a median of 25.4 to 33.6 months while being treated with Fareston.
In all the studies, Fareston was compared to a commonly used breast cancer medication known as tamoxifen (Nolvadex®, Soltamox®). In general, Fareston was as effective as tamoxifen at treating breast cancer. However, in one study, women treated with tamoxifen went about three months longer before their cancer progressed than those treated with Fareston.
Some general considerations to keep in mind during treatment with Fareston include the following:
- This medication comes in tablet form. It is usually taken by mouth once a day.
- Fareston can be taken with or without food. Try taking it with food if it seems to bother your stomach.
- You should avoid drinking grapefruit juice while taking Fareston unless your healthcare provider tells you otherwise. Grapefruit juice may increase blood levels of Fareston, increasing your risk for side effects.
- You can take your dose any time of day, but try to take it at about the same time each day to keep an even level of the drug in your bloodstream.
- For the medication to work properly, it must be taken as prescribed. Fareston will not work if you stop taking it.
There is only one standard recommended dose of Fareston, regardless of your age, weight, or other medical conditions. As is always the case, do not adjust your dosage unless your healthcare provider specifically tells you to do so.
(Click Fareston Dosage for more information.)