Estradiol dipropionate

Estradiol dipropionate (EDP), sold under the brand names Agofollin, Di-Ovocylin, and Progynon DP among others, is an estrogen medication which has been used in hormone therapy for menopausal symptoms and low estrogen levels in women and in the treatment of gynecological disorders. It has also been used in feminizing hormone therapy for transgender women and in the treatment of prostate cancer in men. Although widely used in the past, estradiol dipropionate has largely been discontinued and is mostly no longer available today. It appears to remain in use only in Japan, Macedonia, and Australia. Estradiol dipropionate is given by injection into muscle at intervals ranging from once or twice a week to once every week and a half to two weeks.

Estradiol dipropionate
Clinical data
Trade namesAgofollin, Di-Ovocylin, Progynon DP, others
Other namesEDP; Estradiol dipropionate; Estradiol 3,17β-dipropionate; Estra-1,3,5(10)-triene-3,17β-diol 3,17β-dipropanoate
Routes of
administration		Intramuscular injection
Drug classEstrogen; Estrogen ester
ATC code
Legal status
Legal status
  • In general: ℞ (Prescription only)
Pharmacokinetic data
BioavailabilityIM: High
Protein bindingEstradiol: ~98% (to albumin and SHBGTooltip sex hormone-binding globulin)
MetabolismCleavage via esterases in the liver, blood, and tissues
MetabolitesEstradiol, benzoic acid, and metabolites of estradiol
Elimination half-lifeUnknown
Duration of actionIM (5 mg): 5–8 days
ExcretionUrine
Identifiers
  • [(8R,9S,13S,14S,17S)-13-methyl-3-propanoyloxy-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] propanoate
CAS Number
PubChem CID
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.003.660
Chemical and physical data
FormulaC24H32O4
Molar mass384.516 g·mol−1
3D model (JSmol)
SMILES
  • O=C(Oc1cc3c(cc1)[C@H]2CC[C@@]4([C@@H](OC(=O)CC)CC[C@H]4[C@@H]2CC3)C)CC
  • InChI=1S/C24H32O4/c1-4-22(25)27-16-7-9-17-15(14-16)6-8-19-18(17)12-13-24(3)20(19)10-11-21(24)28-23(26)5-2/h7,9,14,18-21H,4-6,8,10-13H2,1-3H3/t18-,19-,20+,21+,24+/m1/s1
  • Key:JQIYNMYZKRGDFK-RUFWAXPRSA-N

Side effects of estradiol dipropionate include breast tenderness, breast enlargement, nausea, headache, and fluid retention. Estradiol dipropionate is an estrogen and hence is an agonist of the estrogen receptor, the biological target of estrogens like estradiol. It is an estrogen ester and a prodrug of estradiol in the body. Because of this, it is considered to be a natural and bioidentical form of estrogen.

Estradiol dipropionate was patented in 1937 and was introduced for medical use by 1940. It was one of the earliest estradiol esters to be used. Along with estradiol benzoate, estradiol dipropionate was among the most widely used esters of estradiol for many years following its introduction.

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