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Estradiol valerate is the generic name of the drug and its INN Tooltip International Nonproprietary Name, USAN Tooltip United States Adopted Name, BANM Tooltip British Approved Name, and JAN Tooltip Japanese Accepted Name, while oestradiol valerate was formerly its BANM Tooltip British Approved Name. [23] [24] [148]
With estradiol valerate, it is reported that a dose of 5 mg has a duration of 7 to 8 days, [274] 10 mg a duration of 10 to 14 days, [265] [282] 40 mg a duration of 2 to 3 weeks, and 100 mg a duration of 3 to 4 weeks. [282] High doses of estradiol valerate, such as 40 mg per week, can achieve pregnancy levels of estradiol. [283]
Estradiol plus the fatty acid valeric acid (valerate) equals estradiol valerate, a C17β ester of estradiol and one of the most widely used estrogen esters. [27] Polyestradiol phosphate, a polymer of estradiol phosphate, the C17β phosphoric acid ester of estradiol. It has on average of 13 repeat units.
Estradiol is an estrogen, or an agonist of the nuclear estrogen receptors (ERs), the estrogen receptor alpha (ERα) and the estrogen receptor beta (ERβ). [1] [2] [6] In one study, the EC 50 Tooltip half-maximal effective concentration value of estradiol for the human ERα was 50 pM (0.05 nM) and for the human ERβ was 200 pM (0.2 nM).
A variety of C17β and/or C3 ester prodrugs of estradiol, such as estradiol acetate, estradiol benzoate, estradiol cypionate, estradiol dipropionate, estradiol enantate, estradiol undecylate, estradiol valerate, and polyestradiol phosphate (an estradiol ester in polymeric form), among many others, have been developed and introduced for medical ...
Estradiol levels after a short intravenous infusion of 20 mg estradiol in aqueous solution or an intramuscular injection of an equimolar dose of estradiol benzoate, estradiol valerate, or estradiol undecylate in oil solution in women. [6] [7] Sources: Geppert (1975) and Leyendecker et al. (1975). [6] [7]