Raloxifene

Generic Name: raloxifene

Over-the-Counter (OTC)

Brand Names:

Raloxifene Hydrochloride

11 DESCRIPTION Raloxifene hydrochloride, USP is an estrogen agonist/antagonist, commonly referred to as a selective estrogen receptor modulator (SERM) that belongs to the benzothiophene class of compounds. The chemical structure is: The chemical designation is methanone, [6-hydroxy-2-(4-hydroxyphenyl)benzo[b]thien-3-yl]-[4-[2-(1-piperidinyl) ethoxy]phenyl]-, hydrochloride.

Overview

11 DESCRIPTION Raloxifene hydrochloride, USP is an estrogen agonist/antagonist, commonly referred to as a selective estrogen receptor modulator (SERM) that belongs to the benzothiophene class of compounds. The chemical structure is: The chemical designation is methanone, [6-hydroxy-2-(4-hydroxyphenyl)benzo[b]thien-3-yl]-[4-[2-(1-piperidinyl) ethoxy]phenyl]-, hydrochloride.

Uses

1 INDICATIONS AND USAGE Raloxifene hydrochloride tablet, USP is an estrogen agonist/antagonist indicated for: Treatment and prevention of osteoporosis in postmenopausal women. (1.1) Reduction in risk of invasive breast cancer in postmenopausal women with osteoporosis. (1.2) . Reduction in risk of invasive breast cancer in postmenopausal women at high risk for invasive breast cancer. (1.3) Important Limitations: Raloxifene hydrochloride is not indicated for the treatment of invasive breast cancer, reduction of the risk of recurrence of breast cancer, or reduction of risk of noninvasive breast cancer.

Dosage

2 DOSAGE AND ADMINISTRATION 60 mg tablet orally once daily. (2.1) 2.1 Recommended Dosing The recommended dosage is one 60 mg raloxifene hydrochloride tablet daily, which may be administered any time of day without regard to meals [see Clinical Pharmacology (12.3) ]. For the indications in risk of invasive breast cancer the optimum duration of treatment is not known [see Clinical Studies (14.3 , 14.4) ]. 2.2 Recommendations for Calcium and Vitamin D Supplementation For either osteoporosis treatment or prevention, supplemental calcium and/or vitamin D should be added to the diet if daily intake is inadequate. Postmenopausal women require an average of 1500 mg/day of elemental calcium.

Side Effects

6 ADVERSE REACTIONS Adverse reactions (>2% and more common than with placebo) include: hot flashes, leg cramps, peripheral edema, flu syndrome, arthralgia, sweating. (6.1) To report SUSPECTED ADVERSE REACTIONS, contact Cipla Ltd. at 1-866-604-3268 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch 6.1 Clinical Trials Experience Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.

Interactions

7 DRUG INTERACTIONS Cholestyramine: Use with raloxifene hydrochloride tablets is not recommended. Reduces the absorption and enterohepatic cycling of raloxifene. (7.1 , 12.3) Warfarin: Monitor prothrombin time when starting or stopping Raloxifene hydrochloride tablets. (7.2 , 12.3) Highly Protein-Bound Drugs: Use with Raloxifene hydrochloride tablets with caution. Highly protein-bound drugs include diazepam, diazoxide, and lidocaine. Raloxifene hydrochloride is more than 95% bound to plasma proteins. (7.3 , 12.3) 7.1 Cholestyramine Concomitant administration of cholestyramine with raloxifene hydrochloride tablets is not recommended. Although not specifically studied, it is anticipated that other anion exchange resins would have a similar effect.

Warnings

WARNING: INCREASED RISK OF VENOUS THROMBOEMBOLISM AND DEATH FROM STROKE Increased risk of deep vein thrombosis and pulmonary embolism have been reported with raloxifene hydrochloride tablets [see Warnings and Precautions (5.1) ]. Women with active or past history of venous thromboembolism should not take raloxifene hydrochloride tablets [see Contraindications (4.1) ]. 5 WARNINGS AND PRECAUTIONS Venous Thromboembolism: Increased risk of deep vein thrombosis, pulmonary embolism, and retinal vein thrombosis. Discontinue use 72 hours prior to and during prolonged immobilization. (5.1 , 6.1) Death Due to Stroke: Increased risk of death due to stroke occurred in a trial in postmenopausal women with documented coronary heart disease or at increased risk for major coronary events. No increased risk of stroke was seen in this trial. Consider risk-benefit balance in women at risk for stroke. (5.2 , 14.5) Cardiovascular Disease: Raloxifene hydrochloride tablets should not be used for the primary or secondary prevention of cardiovascular disease. (5.3 , 14.5) Premenopausal Women: Use is not recommended. (5.4) Hepatic Impairment: Use with caution. 4 CONTRAINDICATIONS Active or past history of venous thromboembolism, including deep vein thrombosis, pulmonary embolism, and retinal vein thrombosis. (4.1) Pregnancy (4.2 , 8.1) 4.1 Venous Thromboembolism Raloxifene hydrochloride tablets are contraindicated in women with active or past history of venous thromboembolism (VTE), including deep vein thrombosis, pulmonary embolism, and retinal vein th...

Pregnancy

8.1 Pregnancy Risk Summary Raloxifene Hydrochloride is contraindicated for use in pregnant women, and is not indicated for use in females of reproductive potential. Based on mechanism of action, raloxifene hydrochloride may block the important functions that estrogen has during all stages of pregnancy [see Clinical Pharmacology (12.1) ]. Limited data with raloxifene hydrochloride use in pregnant women are insufficient to inform any drug associated risks for births defects or miscarriage.

Storage

16.2 Storage and Handling Store at controlled room temperature, 20º to 25ºC (68º to 77ºF) [see USP]. The USP defines controlled room temperature as a temperature maintained thermostatically that encompasses the usual and customary working environment of 20º to 25ºC (68º to 77ºF); that results in a mean kinetic temperature calculated to be not more than 25ºC; and that allows for excursions between...

Frequently Asked Questions

What is Raloxifene used for?

1 INDICATIONS AND USAGE Raloxifene hydrochloride tablet, USP is an estrogen agonist/antagonist indicated for: Treatment and prevention of osteoporosis in postmenopausal women. (1.1) Reduction in risk of invasive breast cancer in postmenopausal women with osteoporosis. (1.2) . Reduction in risk of invasive breast cancer in postmenopausal women at high risk for invasive breast cancer. (1.3) Important Limitations: Raloxifene hydrochloride is not indicated for the treatment of invasive breast cancer, reduction of the risk of recurrence of breast cancer, or reduction of risk of noninvasive breast cancer.

What are the side effects of Raloxifene?

6 ADVERSE REACTIONS Adverse reactions (>2% and more common than with placebo) include: hot flashes, leg cramps, peripheral edema, flu syndrome, arthralgia, sweating. (6.1) To report SUSPECTED ADVERSE REACTIONS, contact Cipla Ltd. at 1-866-604-3268 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch 6.1 Clinical Trials Experience Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.

Can I take Raloxifene during pregnancy?

8.1 Pregnancy Risk Summary Raloxifene Hydrochloride is contraindicated for use in pregnant women, and is not indicated for use in females of reproductive potential. Based on mechanism of action, raloxifene hydrochloride may block the important functions that estrogen has during all stages of pregnancy [see Clinical Pharmacology (12.1) ]. Limited data with raloxifene hydrochloride use in pregnant women are insufficient to inform any drug associated risks for births defects or miscarriage.

What are the important warnings for Raloxifene?

WARNING: INCREASED RISK OF VENOUS THROMBOEMBOLISM AND DEATH FROM STROKE Increased risk of deep vein thrombosis and pulmonary embolism have been reported with raloxifene hydrochloride tablets [see Warnings and Precautions (5.1) ]. Women with active or past history of venous thromboembolism should not take raloxifene hydrochloride tablets [see Contraindications (4.1) ]. 5 WARNINGS AND PRECAUTIONS Venous Thromboembolism: Increased risk of deep vein thrombosis, pulmonary embolism, and retinal vein thrombosis. Discontinue use 72 hours prior to and during prolonged immobilization. (5.1 , 6.1) Death Due to Stroke: Increased risk of death due to stroke occurred in a trial in postmenopausal women with documented coronary heart disease or at increased risk for major coronary events. No increased risk of stroke was seen in this trial. Consider risk-benefit balance in women at risk for stroke. (5.2 , 14.5) Cardiovascular Disease: Raloxifene hydrochloride tablets should not be used for the primary or secondary prevention of cardiovascular disease. (5.3 , 14.5) Premenopausal Women: Use is not recommended. (5.4) Hepatic Impairment: Use with caution. 4 CONTRAINDICATIONS Active or past history of venous thromboembolism, including deep vein thrombosis, pulmonary embolism, and retinal vein thrombosis. (4.1) Pregnancy (4.2 , 8.1) 4.1 Venous Thromboembolism Raloxifene hydrochloride tablets are contraindicated in women with active or past history of venous thromboembolism (VTE), including deep vein thrombosis, pulmonary embolism, and retinal vein th...

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Medical Disclaimer

This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.