WARNING: INCREASED RISK OF VENOUS THROMBOEMBOLISM AND DEATH FROM STROKE Increased risk of deep vein thrombosis and pulmonary embolism have been reported with raloxifene [see Warnings and Precautions ( 5.1 )] . Women with active or past history of venous thromboembolism should not take raloxifene [see Contraindications ( 4.1 )] . 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. Consider risk-benefit balance in women at risk for stroke [see Warnings and Precautions ( 5.2 ) and Clinical Studies ( 14.5 )] . WARNING: INCREASED RISK OF VENOUS THROMBOEMBOLISM AND DEATH FROM STROKE See full prescribing information for complete boxed warning. Increased risk of deep vein thrombosis and pulmonary embolism have been reported with raloxifene ( 5.1 ). Women with active or past history of venous thromboembolism should not take raloxifene ( 4.1 ). 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. Consider risk-benefit balance in women at risk for stroke ( 5.2 , 14.5 ).
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warnings and cautions
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 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. ( 5.5 ) Concomitant Use with Systemic Estrogens : Not recommended. ( 5.6 ) Hypertriglyceridemia : If previous treatment with estrogen resulted in hypertriglyceridemia, monitor serum triglycerides. ( 5.7 ) 5.1 Venous Thromboembolism In clinical trials, raloxifene-treated women had an increased risk of venous thromboembolism (deep vein thrombosis and pulmonary embolism). Other venous thromboembolic events also could occur. A less serious event, superficial thrombophlebitis, also has been reported more frequently with raloxifene than with placebo. The greatest risk for deep vein thrombosis and pulmonary embolism occurs during the first 4 months of treatment, and the magnitude of risk appears to be similar to the reported risk associated with use of hormone therapy. Because immobilization increases the risk for venous thromboembolic events independent of therapy, raloxifene should be discontinued at least 72 hours prior to and during prolonged immobilization (e.g., post-surgical recovery, prolonged bed rest), and raloxifene therapy should be resumed only after the patient is fully ambulatory. In addition, women taking raloxifene should be advised to move about periodically during prolonged travel. The risk-benefit balance should be considered in women at risk of thromboembolic disease for other reasons, such as congestive heart failure, superficial thrombophlebitis, and active malignancy [see Contraindications ( 4.1 ) and Adverse Reactions ( 6.1 )] . 5.2 Death Due to Stroke In a clinical trial of postmenopausal women with documented coronary heart disease or at increased risk for coronary events, an increased risk of death due to stroke was observed after treatment with raloxifene. During an average follow-up of 5.6 years, 59 (1.2%) raloxifene-treated women died due to a stroke compared to 39 (0.8%) placebo-treated women (22 versus 15 per 10,000 women-years; hazard ratio 1.49; 95% confidence interval, 1.00 to 2.24; p=0.0499). There was no statistically significant difference between treatment groups in the incidence of stroke (249 in raloxifene [4.9%] versus 224 placebo [4.4%]). Raloxifene had no significant effect on all-cause mortality. The risk-benefit balance should be considered in women at risk for stroke, such as prior stroke or transient ischemic attack (TIA), atrial fibrillation, hypertension, or cigarette smoking [see Clinical Studies ( 14.5 )] . 5.3 Cardiovascular Disease Raloxifene should not be used for the primary or secondary prevention of cardiovascular disease. In a clinical trial of postmenopausal women with documented coronary heart disease or at increased risk for coronary events, no cardiovascular benefit was demonstrated after treatment with raloxifene for 5 years [see Clinical Studies ( 14.5 )] . 5.4 Premenopausal Use There is no indication for premenopausal use of raloxifene. Safety of raloxifene in premenopausal women has not been established and its use is not recommended. Additionally, there is concern regarding inadvertent drug exposure in pregnancy in women of reproductive potential who become pregnant, due to risk of fetal harm [see Use in Specific Populations ( 8.1 )] . 5.5 Hepatic Impairment Raloxifene should be used with caution in patients with hepatic impairment. Safety and efficacy have not been established in patients with hepatic impairment [see Clinical Pharmacology ( 12.3 )] . 5.6 Concomitant Estrogen Therapy The safety of concomitant use of raloxifene with systemic estrogens has not been established and its use is not recommended. 5.7 History of Hypertriglyceridemia when Treated with Estrogens Limited clinical data suggest that some women with a history of marked hypertriglyceridemia (>5.6 mmol/L or >500 mg/dL) in response to treatment with oral estrogen or estrogen plus progestin may develop increased levels of triglycerides when treated with raloxifene. Women with this medical history should have serum triglycerides monitored when taking raloxifene. 5.8 Renal Impairment Raloxifene should be used with caution in patients with moderate or severe renal impairment. Safety and efficacy have not been established in patients with moderate or severe renal impairment [see Clinical Pharmacology ( 12.3 )] . 5.9 History of Breast Cancer Raloxifene has not been adequately studied in women with a prior history of breast cancer. 5.10 Use in Men There is no indication for the use of raloxifene in men. Raloxifene has not been adequately studied in men and its use is not recommended. 5.11 Unexplained Uterine Bleeding Any unexplained uterine bleeding should be investigated as clinically indicated. Raloxifene-treated and placebo-treated groups had similar incidences of endometrial proliferation [see Clinical Studies ( 14.1 , 14.2 )] . 5.12 Breast Abnormalities Any unexplained breast abnormality occurring during raloxifene therapy should be investigated. Raloxifene does not eliminate the risk of breast cancer [see Clinical Studies ( 14.4 )] .
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 ScieGen Pharmaeuticals Inc at 1-855-724-3436 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. The data described below reflect exposure to raloxifene in 8429 patients who were enrolled in placebo-controlled trials, including 6666 exposed for 1 year and 5685 for at least 3 years. Osteoporosis Treatment Clinical Trial (MORE) — The safety of raloxifene in the treatment of osteoporosis was assessed in a large (7705 patients) multinational, placebo- controlled trial. Duration of treatment was 36 months, and 5129 postmenopausal women were exposed to raloxifene (2557 received 60 mg/day, and 2572 received 120 mg/day). The incidence of all-cause mortality was similar among groups: 23 (0.9%) placebo, 13 (0.5%) raloxifene-treated (raloxifene HCL 60mg), and 28 (1.1%) raloxifene HCL 120 mg women died. Therapy was discontinued due to an adverse reaction in 10.9% of raloxifene-treated women and 8.8% of placebo-treated women. Venous Thromboembolism : The most serious adverse reaction related to raloxifene was VTE (deep venous thrombosis, pulmonary embolism, and retinal vein thrombosis). During an average of study-drug exposure of 2.6 years, VTE occurred in about 1 out of 100 patients treated with raloxifene. Twenty-six raloxifene-treated women had a VTE compared to 11 placebo-treated women, the hazard ratio was 2.4 (95% confidence interval, 1.2, 4.5), and the highest VTE risk was during the initial months of treatment. Common adverse reactions considered to be related to raloxifene therapy were hot flashes and leg cramps. Hot flashes occurred in about one in 10 patients on raloxifene and were most commonly reported during the first 6 months of treatment and were not different from placebo thereafter. Leg cramps occurred in about one in 14 patients on raloxifene. Placebo-Controlled Osteoporosis Prevention Clinical Trials — The safety of raloxifene has been assessed primarily in 12 Phase 2 and Phase 3 studies with placebo, estrogen, and estrogen-progestin therapy control groups. The duration of treatment ranged from 2 to 30 months, and 2036 women were exposed to raloxifene HCL (371 patients received 10 to 50 mg/day, 828 received 60 mg/day, and 837 received from 120 to 600 mg/day). Therapy was discontinued due to an adverse reaction in 11.4% of 581 raloxifene-treated women and 12.2% of 584 placebo-treated women. Discontinuation rates due to hot flashes did not differ significantly between raloxifene and placebo groups (1.7% and 2.2%, respectively). Common adverse reactions considered to be drug-related were hot flashes and leg cramps. Hot flashes occurred in about one in four patients on raloxifene versus about one in six on placebo. The first occurrence of hot flashes was most commonly reported during the first 6 months of treatment. Table 1 lists adverse reactions occurring in either the osteoporosis treatment or in five prevention placebo-controlled clinical trials at a frequency ≥2.0% in either group and in more raloxifene-treated women than in placebo-treated women. Adverse reactions are shown without attribution of causality. The majority of adverse reactions occurring during the studies were mild and generally did not require discontinuation of therapy. Table 1: Adverse Reactions Occurring in Placebo-Controlled Osteoporosis Clinical Trials at a Frequency ≥2.0% and in More Raloxifene Hydrochloride-Treated (60 mg Once Daily) Women than Placebo-Treated Women a a A: Placebo incidence greater than or equal to Raloxifene Hydrochloride incidence; B: Less than 2% incidence and more frequent with Raloxifene Hydrochloride. b Includes only patients with an intact uterus: Prevention Trials: Raloxifene Hydrochloride, n=354, Placebo, n=364 ; Treatment Trial: Raloxifene Hydrochloride, n=1948, Placebo, n=1999. c Actual terms most frequently referred to endometrial fluid. Treatment Prevention Raloxifene Hydrochloride (N=2557) % Placebo (N=2576) % Raloxifene Hydrochloride (N=581) % Placebo (N=584) % Body as a Whole Infection A A 15.1 14.6 Flu Syndrome 13.5 11.4 14.6 13.5 Headache 9.2 8.5 A A Leg Cramps 7.0 3.7 5.9 1.9 Chest Pain A A 4.0 3.6 Fever 3.9 3.8 3.1 2.6 Cardiovascular System Hot Flashes 9.7 6.4 24.6 18.3 Migraine A A 2.4 2.1 Syncope 2.3 2.1 B B Varicose Vein 2.2 1.5 A A Digestive System Nausea 8.3 7.8 8.8 8.6 Diarrhea 7.2 6.9 A A Dyspepsia A A 5.9 5.8 Vomiting 4.8 4.3 3.4 3.3 Flatulence A A 3.1 2.4 Gastrointestinal Disorder A A 3.3 2.1 Gastroenteritis B B 2.6 2.1 Metabolic and Nutritional Weight Gain A A 8.8 6.8 Peripheral Edema 5.2 4.4 3.3 1.9 Musculoskeletal System Arthralgia 15.5 14.0 10.7 10.1 Myalgia A A 7.7 6.2 Arthritis A A 4.0 3.6 Tendon Disorder 3.6 3.1 A A Nervous System Depression A A 6.4 6.0 Insomnia A A 5.5 4.3 Vertigo 4.1 3.7 A A Neuralgia 2.4 1.9 B B Hypesthesia 2.1 2.0 B B Respiratory System Sinusitis 7.9 7.5 10.3 6.5 Rhinitis 10.2 10.1 A A Bronchitis 9.5 8.6 A A Pharyngitis 5.3 5.1 7.6 7.2 Cough Increased 9.3 9.2 6.0 5.7 Pneumonia A A 2.6 1.5 Laryngitis B B 2.2 1.4 Skin and Appendages Rash A A 5.5 3.8 Sweating 2.5 2.0 3.1 1.7 Special Senses Conjunctivitis 2.2 1.7 A A Urogenital System Vaginitis A A 4.3 3.6 Urinary Tract Infection A A 4.0 3.9 Cystitis 4.6 4.5 3.3 3.1 Leukorrhea A A 3.3 1.7 Uterine Disorder b, c 3.3 2.3 A A Endometrial Disorder b B B 3.1 1.9 Vaginal Hemorrhage 2.5 2.4 A A Urinary Tract Disorder 2.5 2.1 A A Comparison of Raloxifene and Hormone Therapy — Raloxifene was compared with estrogen-progestin therapy in three clinical trials for prevention of osteoporosis. Table 2 shows adverse reactions occurring more frequently in one treatment group and at an incidence ≥2.0% in any group. Adverse reactions are shown without attribution of causality. Table 2: Adverse Reactions Reported in the Clinical Trials for Osteoporosis Prevention with Raloxifene Hydrochloride (60 mg Once Daily) and Continuous Combined or Cyclic Estrogen Plus Progestin (Hormone Therapy) at an Incidence ≥2.0% in any Treatment Group a a These data are from both blinded and open-label studies. b Continuous Combined Hormone Therapy = 0.625 mg conjugated estrogens plus 2.5 mg medroxyprogesterone acetate. c Cyclic Hormone Therapy = 0.625 mg conjugated estrogens for 28 days with concomitant 5 mg medroxyprogesterone acetate or 0.15 mg norgestrel on Days 1 through 14 or 17 through 28. d Includes only patients with an intact uterus: Raloxifene Hydrochloride, n=290; Hormone Therapy-Continuous Combined, n=67; Hormone Therapy-Cyclic, n=217. Raloxifene Hydrochloride (N=317) % Hormone Therapy-Continuous Combined b (N=96) % Hormone Therapy-Cyclic c (N=219) % Urogenital Breast Pain 4.4 37.5 29.7 Vaginal Bleeding d 6.2 64.2 88.5 Digestive Flatulence 1.6 12.5 6.4 Cardiovascular Hot Flashes 28.7 3.1 5.9 Body as a Whole Infection 11.0 0 6.8 Abdominal Pain 6.6 10.4 18.7 Chest Pain 2.8 0 0.5 Breast Pain — Across all placebo-controlled trials, raloxifene was indistinguishable from placebo with regard to frequency and severity of breast pain and tenderness. Raloxifene was associated with less breast pain and tenderness than reported by women receiving estrogens with or without added progestin. Gynecologic Cancers — Raloxifene-treated and placebo-treated groups had similar incidences of endometrial cancer and ovarian cancer. Placebo-Controlled Trial of Postmenopausal Women at Increased Risk for Major Coronary Events (RUTH) — The safety of raloxifene hydrochloride (60 mg once daily) was assessed in a placebo-controlled multinational trial of 10,101 postmenopausal women (age range 55 to 92) with documented coronary heart disease (CHD) or multiple CHD risk factors. Median study drug exposure was 5.1 years for both treatment groups [see Clinical Studies ( 14.3 )] . Therapy was discontinued due to an adverse reaction in 25% of 5044 raloxifene-treated women and 24% of 5057 placebo-treated women. The incidence per year of all-cause mortality was similar between the raloxifene (2.07%) and placebo (2.25%) groups. Adverse reactions reported more frequently in raloxifene-treated women than in placebo-treated women included peripheral edema (14.1% raloxifene versus 11.7% placebo), muscle spasms/leg cramps (12.1% raloxifene versus 8.3% placebo), hot flashes (7.8% raloxifene versus 4.7% placebo), venous thromboembolic events (2.0% raloxifene versus 1.4% placebo), and cholelithiasis (3.3% raloxifene versus 2.6% placebo) [see Clinical Studies ( 14.3 , 14.5 )] . Tamoxifen-Controlled Trial of Postmenopausal Women at Increased Risk for Invasive Breast Cancer (STAR) — The safety of raloxifene hydrochloride 60 mg/day versus tamoxifen 20 mg/day over 5 years was assessed in 19,747 postmenopausal women (age range 35-83 years) in a randomized, double-blind trial. As of 31 December 2005, the median follow-up was 4.3 years. The safety profile of raloxifene was similar to that in the placebo-controlled raloxifene trials [see Clinical Studies ( 14.4 )] . 6.2 Postmarketing Experience Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. Adverse reactions reported very rarely since market introduction include retinal vein occlusion, stroke, and death associated with venous thromboembolism (VTE).