Letrazole Anti Estrogen Steriods CAS 112809 51 5 For Breast Cancer

Oral Anti-Estrogen Steriods Letrazole CAS 112809-51-5 for Breast Cancer

What is letrozole?

Letrozole lowers estrogen levels in postmenopausal women, which may slow the growth of certain types of breast tumors that need estrogen to grow in the body.

Letrozole is used to treat breast cancer in postmenopausal women. It is often given to women who have been taking tamoxifen (Nolvadex, Soltamox) for 5 years.

Letrozole may also be used for purposes not listed in this medication guide.

Warnings

You should not use letrozole if you are pregnant.

How should I take letrozole?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

You may take letrozole with or without food.

You will need frequent medical tests, and your bone mineral density may also need to be checked.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking letrozole?

Avoid driving or hazardous activity until you know how letrozole will affect you. Your reactions could be impaired.

Letrozole dosing information

Usual Adult Dose for Breast Cancer:

2.5 mg orally once a day

Duration of therapy:

-Adjuvant and extended adjuvant settings: Optimal duration is unknown; discontinue therapy at relapse.
-Advanced disease: Until tumor progression is evident.

Uses:
-Adjuvant treatment of postmenopausal women with hormone receptor positive early breast cancer
-Extended adjuvant treatment of early breast cancer in postmenopausal women who have received 5 years of adjuvant tamoxifen therapy
-First-line treatment of advanced breast cancer in postmenopausal women with hormone receptor positive or unknown locally advanced or metastatic breast cancer; second-line treatment of advanced breast cancer in postmenopausal women with disease progression following antiestrogen therapy

Usual Adult Dose for Breast Cancer -- Adjuvant:

2.5 mg orally once a day

Duration of therapy:

-Adjuvant and extended adjuvant settings: Optimal duration is unknown; discontinue therapy at relapse.
-Advanced disease: Until tumor progression is evident.

Uses:
-Adjuvant treatment of postmenopausal women with hormone receptor positive early breast cancer
-Extended adjuvant treatment of early breast cancer in postmenopausal women who have received 5 years of adjuvant tamoxifen therapy
-First-line treatment of advanced breast cancer in postmenopausal women with hormone receptor positive or unknown locally advanced or metastatic breast cancer; second-line treatment of advanced breast cancer in postmenopausal women with disease progression following antiestrogen therapy

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