|Molecular Formula:||C17H11N5||Molecular Weight:||285.3|
|Melting Point:||181-183°C||Storage:||Room Temper|
98% Anti Estrogen Letrozole,
Letrozole Powder CAS 112809-51-5,
Anti Estrogen Letrozole CAS 112809-51-5
Cancer treatment 98% Anti Estrogen Letrozole Raw Steroid Powder CAS 112809-51-5
What is Letrozole?
Letrozole is used treat early breast cancer in women who have experienced menopause (change of life; end of monthly menstrual periods) and who have had other treatments, such as radiation or surgery to remove the tumor. It is also used to treat early breast cancer in women who have experienced menopause and who have already been treated with a medication called tamoxifen (Nolvadex) for 5 years. Letrozole is also used in women who have experienced menopause as a first treatment of breast cancer that has spread within the breast or to other areas of the body or in women whose breast cancer has worsened while they were taking tamoxifen. Letrozole is in a class of medications called nonsteroidal aromatase inhibitors. It works by decreasing the amount of estrogen produced by the body. This can slow or stop the growth of some types of breast cancer cells that need estrogen to grow.
Letrozole Dosage and Administration
The recommended dose of Letrozole tablets is one 2.5 mg tablet administered once a day, without regard to meals.
Use in Adjuvant Treatment of Early Breast Cancer
In the adjuvant setting, the optimal duration of treatment with Letrozole tablets is unknown. In both the adjuvant study and the postapproval adjuvant study, median treatment duration was 5 years. Treatment should be discontinued at relapse.
Use in Extended Adjuvant Treatment of Early Breast Cancer
In the extended adjuvant setting, the optimal treatment duration with Letrozole tablets is not known. The planned duration of treatment in the study was 5 years. In the final updated analysis, conducted at a median follow-up of 62 months, the median treatment duration for Letrozole tables was 60 months. Seventy-one (71%) percent of patients were treated for at least 3 years and 58% of patients completed least 4.5 years of extended adjuvant treatment. The treatment should be discontinued at tumor relapse.
Tell the doctor if you have any side effect that bothers you or that does not go away.
These are not all the possible side effects of this product. For more information, ask your doctor or pharmacist.
|anti-estrogens||Clomiphene citrate (clomid)|
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