Generic Name and Formulations:
Tamoxifen (as citrate) 10mg, 20mg; tabs.
Various generic manufacturers
Indications for Tamoxifen:
Treatment of metastatic breast cancer in men and women. Axillary node-positive breast cancer in postmenopausal women after surgery + irradiation. Axillary node-negative breast cancer in women after surgery + irradiation. Reduction in risk of invasive breast cancer in women with ductal carcinoma in situ (DCIS) after surgery + radiation. Reduction in breast cancer incidence in high-risk women.
Treatment: 20–40mg/day; give doses >20mg in divided doses (AM and PM). Reduction of incidence in high-risk women or DCIS: 20mg once daily for 5 years.
McCune-Albright Syndrome, precocious puberty: see literature.
For risk reduction: concomitant coumarin anticoagulants, history of deep vein thrombosis or pulmonary embolism, planned pregnancy. Pregnancy (Cat.D). Nursing mothers.
See literature. Do gynecological exam at least annually. DCIS and risk reduction: consider increased risk of uterine cancer (endometrial adenocarcinoma, uterine sarcoma) and thrombotic events. Women with advanced disease: discontinue if severe hypercalcemia occurs. Monitor blood, lipids, liver function, for thromboembolism symptoms (eg, leg swelling, unexplained shortness of breath), and for uterine changes/cancer (eg, pelvic pain or pressure); promptly investigate any abnormal vaginal bleeding. Breast cancer treatment: history of thromboembolic events. Premenopausal: use effective non-hormonal contraception during and within 2 months of discontinuing therapy; begin therapy during menses or, if irregular menses, obtain (–) B-hCG pregnancy test first.
May potentiate oral anticoagulants (see Contraindications). Antagonizes anastrozole (avoid concomitant use); letrozole. Plasma levels reduced by CYP3A4 inducers (eg, rifampin). Cytotoxic drugs increase risk of thrombotic events. Potentiated by bromocriptine.
Hot flashes, vaginal discharge, altered menses, rash, headache, nausea, cough, edema, fatigue, abdominal cramps, bone and tumor pain (in advanced disease), local disease flare, hypercalcemia, thrombotic events, ovarian cysts, uterine fibroids or cancer (endometrial adenocarcinoma, uterine sarcoma), endometrial or visual changes, jaundice, hypertriglyceridemia, blood dyscrasias, hair loss.
Formerly known under the brand name Nolvadex.
Sign Up for Free e-newsletters
- Managing Chemo Brain in Pediatric Survivors of Childhood Cancer
- Aggressive Therapy Provides No Additional Advantage in Metastatic Prostate Cancer
- Excretion of Volatile Organic Compounds Higher in AYAs Using Vaping Products
- FDA, ASHP Actions to Prevent or Manage Chemotherapy Drug Shortages
- Breast Cancer Screening Recommendations Not Completely Reflective of Race, Age
- Various Aspects of Palliative Care Focus Associated With Different Outcomes In Cancer
- Cost vs Benefits: The Controversy Over Proton Beam Radiotherapy
- Patient Expectations at Odds With Actual Outcomes for Radiotherapy in Breast Cancer
- Patients Desire More Online Tools and Access
- Metformin Plus Ruxolitinib: A Potential Therapeutic Alternative for Myeloproliferative Neoplasms
- Sexual Quality of Life Decreased During, After Chemotherapy for Digestive Cancers
- CHEMO-SUPPORT: A Nursing Intervention to Relieve Chemotherapy Symptom Burden
- Approach and Management of Checkpoint Inhibitor-related Immune Hepatitis
- Revised AJCC8 Demonstrates Superior Tumor Classification for HNCSCC
- Oral Androgen Receptor Inhibitor Granted FDA Approval for Nonmetastatic CRPC
Regimen and Drug Listings
GET FULL LISTINGS OF TREATMENT Regimens and Drug INFORMATION
|Head and Neck Cancer||Regimens||Drugs|