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(estramustine phosphate sodium) Capsules
Estramustine phosphate sodium, an antineoplastic agent, is an off-white powder readily soluble in water. EMCYT Capsules are white and opaque, each containing estramustine phosphate sodium as the disodium salt monohydrate equivalent to 140 mg estramustine phosphate, for oral administration. Each capsule also contains magnesium stearate, silicon dioxide, sodium lauryl sulfate, and talc. Gelatin capsule shells contain the following pigment: titanium dioxide.
Chemically, estramustine phosphate sodium is estra-1,3,5(10)-triene-3,17-diol(17β)-,3 [bis(2-chloroethyl)carbamate] 17-(dihydrogen phosphate), disodium salt, monohydrate. It is also referred to as estradiol 3-[bis(2-chloroethyl)carbamate] 17-(dihydrogen phosphate), disodium salt, monohydrate.
Estramustine phosphate sodium has an empiric formula of C23H30Cl2NNa2O6P•H2O, a calculated molecular weight of 582.4, and the following structural formula:
What are the possible side effects of estramustine (Emcyt)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using estramustine and call your doctor at once if you have a serious side effect such as:
- chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling;
- sudden numbness or weakness, especially on one side of the body;
- sudden headache, confusion, problems with vision, speech, or balance;
- chest pain, sudden cough, wheezing, rapid breathing,...
What are the precautions when taking estramustine (Emcyt)?
Before taking estramustine, tell your doctor or pharmacist if you are allergic to it; or to estradiol or other estrogens; or to nitrogen mustard (e.g., mechlorethamine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: history of stroke or other blood clots (e.g., in the legs, eyes, lungs), bone disease (e.g., bone metastases, high calcium levels), high cholesterol or triglyceride (blood fat) levels, depression, diabetes, severe headaches (e.g., migraine), heart disease (e.g., angina, heart attack, heart failure), high blood pressure, kidney disease, liver...
Last reviewed on RxList: 12/28/2016
This monograph has been modified to include the generic and brand name in many instances.
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