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Synopsis

Chemistry

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Also known as: 129453-61-8, Faslodex, Ici 182,780, Ici 182780, Ici-182780, Zm 182780
Molecular Formula
C32H47F5O3S
Molecular Weight
606.8  g/mol
InChI Key
VWUXBMIQPBEWFH-WCCTWKNTSA-N
FDA UNII
22X328QOC4

Fulvestrant
An estradiol derivative and estrogen receptor antagonist that is used for the treatment of estrogen receptor-positive, locally advanced or metastatic breast cancer.
Fulvestrant is an Estrogen Receptor Antagonist. The mechanism of action of fulvestrant is as an Estrogen Receptor Antagonist, and Selective Estrogen Receptor Modulator.
1 2D Structure

Fulvestrant

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(7R,8R,9S,13S,14S,17S)-13-methyl-7-[9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl]-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
2.1.2 InChI
InChI=1S/C32H47F5O3S/c1-30-17-15-26-25-12-11-24(38)21-23(25)20-22(29(26)27(30)13-14-28(30)39)10-7-5-3-2-4-6-8-18-41(40)19-9-16-31(33,34)32(35,36)37/h11-12,21-22,26-29,38-39H,2-10,13-20H2,1H3/t22-,26-,27+,28+,29-,30+,41?/m1/s1
2.1.3 InChI Key
VWUXBMIQPBEWFH-WCCTWKNTSA-N
2.1.4 Canonical SMILES
CC12CCC3C(C1CCC2O)C(CC4=C3C=CC(=C4)O)CCCCCCCCCS(=O)CCCC(C(F)(F)F)(F)F
2.1.5 Isomeric SMILES
C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)[C@@H](CC4=C3C=CC(=C4)O)CCCCCCCCCS(=O)CCCC(C(F)(F)F)(F)F
2.2 Other Identifiers
2.2.1 UNII
22X328QOC4
2.3 Synonyms
2.3.1 MeSH Synonyms

1. 7-(9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl)estra-1,3,5(10)-triene-3,17-diol

2. Faslodex

3. Ici 182,780

4. Ici 182780

5. Ici-182780

6. Ici182780

7. Zm 182780

8. Zm-182780

9. Zm182780

2.3.2 Depositor-Supplied Synonyms

1. 129453-61-8

2. Faslodex

3. Ici 182,780

4. Ici 182780

5. Ici-182780

6. Zm 182780

7. Zd-9238

8. Zm-182780

9. Zd9238

10. Fulvestrant (faslodex)

11. (7r,8r,9s,13s,14s,17s)-13-methyl-7-[9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl]-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol

12. Zd 9238

13. Chembl1358

14. (7r,8r,9s,13s,14s,17s)-13-methyl-7-(9-((4,4,5,5,5-pentafluoropentyl)sulfinyl)nonyl)-7,8,9,11,12,13,14,15,16,17-decahydro-6h-cyclopenta[a]phenanthrene-3,17-diol

15. Chebi:31638

16. 22x328qoc4

17. Nsc-759879

18. Estra-1,3,5(10)-triene-3,17-diol, 7-[9-[(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl]-, (7alpha,17beta)-

19. Fulvestrant [usan]

20. Dsstox_cid_2369

21. Dsstox_rid_76561

22. Dsstox_gsid_22369

23. (7r,13s,17s)-13-methyl-7-(9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl)-7,8,9,11,12,13,14,15,16,17-decahydro-6h-cyclopenta[a]phenanthrene-3,17-diol

24. 7alpha-(9-((4,4,5,5,5-pentafluoropentyl)sulfinyl)nonyl)estra-1,3,5(10)-triene-3,17beta-diol

25. Zd 182780

26. Faslodex (tn)

27. (7alpha,17beta)-7-{9-[(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl}estra-1(10),2,4-triene-3,17-diol

28. (7alpha,17beta)-7-{9-[(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl}estra-1,3,5(10)-triene-3,17-diol

29. 7alpha-[9[(4,4,5,5,5-pentafluropentyl)sulfinyl]nonyl]-estra-1,3,5(10)-triene-3, 17 Beta Diol

30. Estra-1,3,5(10)-triene-3,17-diol, 7-(9-((4,4,5,5,5-pentafluoropentyl)sulfinyl)nonyl)-, (7alpha,17beta)-

31. Cas-129453-61-8

32. Ici182780

33. Fulvestrantum

34. Fluvestrant

35. Unii-22x328qoc4

36. Ccris 8741

37. Faslodex(ici 182,780)

38. Hsdb 7658

39. Ncgc00024964-02

40. Fulvestrant [usan:usp:inn:ban]

41. Mfcd00903953

42. Zd-182780

43. Fulvestrant [mi]

44. Fulvestrant [inn]

45. Fulvestrant [jan]

46. Fulvestrant [vandf]

47. Schembl8209

48. Fulvestrant [mart.]

49. Bidd:pxr0136

50. Fulvestrant [usp-rs]

51. Fulvestrant [who-dd]

52. Mls006010187

53. Bidd:er0348

54. Fulvestrant (jan/usp/inn)

55. Fulvestrant [ema Epar]

56. Fulvestrant, >98% (hplc)

57. Gtpl1015

58. Dtxsid4022369

59. Ex-a959

60. Fulvestrant [orange Book]

61. Ici 182780- Bio-x

62. Fulvestrant [ep Monograph]

63. Fulvestrant [usp Impurity]

64. Hms2090n22

65. Hms3260g10

66. Hms3712a06

67. Fulvestrant [usp Monograph]

68. Tox21_110939

69. Tox21_202604

70. Tox21_303656

71. Tox21_500114

72. Bdbm50169743

73. Nsc719276

74. Akos015895669

75. Tox21_110939_1

76. Ac-4693

77. Bcp9000707

78. Ccg-220082

79. Ccg-221418

80. Cs-1267

81. Db00947

82. Lp00114

83. Nsc 759879

84. Nsc-719276

85. Sdccgsbi-0633685.p001

86. Ici 182 780

87. Ici 182,789

88. Ncgc00164789-02

89. Ncgc00164789-04

90. Ncgc00257357-01

91. Ncgc00260152-01

92. Ncgc00260799-01

93. Ncgc00386134-10

94. (7r,8s,9s,13s,14s,17s)-13-methyl-7-[9-(4,4,5,5,5-pentafluoropentylsulfinyl) Nonyl]-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol

95. As-13024

96. Bi167222

97. Hy-13636

98. Smr001456109

99. Bcp0726000227

100. F1144

101. S1191

102. Fulvestrant, Vetec(tm) Reagent Grade, >98%

103. D01161

104. Ab01273957-01

105. Ab01273957-02

106. Ab01273957-03

107. Ab01273957_04

108. 453f618

109. J-005680

110. Q5508491

111. Brd-a85667082-001-12-7

112. Fulvestrant, European Pharmacopoeia (ep) Reference Standard

113. Fulvestrant, United States Pharmacopeia (usp) Reference Standard

114. Fulvestrant For System Suitability, European Pharmacopoeia (ep) Reference Standard

115. (13s,17s)-13-methyl-7-[9-(4,4,5,5,5-pentafluoro-pentane-1-sulfinyl)-nonyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6h-cyclopenta[a]phenanthrene-3,17-diol

116. (7?,17?)-7-[9-[(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl]estra-1,3,5(10)-triene-3,17-diol

117. (7r,13s,17s)-13-methyl-7-[9-(4,4,5,5,5-pentafluoro-pentane-1-sulfinyl)-nonyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6h-cyclopenta[a]phenanthrene-3,17-diol

118. (7r,8r,9s,13s,14s,17s)-13-methyl-7-(9-(4,4,5,5,5-pentafluoropentyldihydrosulfinyl)nonyl)-7,8,9,11,12,13,14,15,16,17-decahydro-6h-cyclopenta[a]phenanthrene-3,17-diol

119. (7r,8r,9s,13s,14s,17s)-13-methyl-7-(9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl)-7,8,9,11,12,13,14,15,16,17-decahydro-6h-cyclopenta[a]phenanthrene-3,17-diol

120. (7r,8r,9s,13s,14s,17s)-13-methyl-7-[9-(4,4,5,5,5-pentafluoro-pentane-1-sulfinyl)-nonyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6h-cyclopenta[a]phenanthrene-3,17-diol

121. (7r,9s,13s,14s,17s)-13-methyl-7-[9-(4,4,5,5,5-pentafluoropentylsulfinyl)nonyl]-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol

122. 13-methyl-7-[9-(4,4,5,5,5-pentafluoro-pentane-1-sulfinyl)-nonyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6h-cyclopenta[a]phenanthrene-3,17-diol

123. 13-methyl-7-[9-(4,5,5,5-pentafluoropentylsulfinyl)nonyl]-7,8,9,11,12,13,14,15,16,17-decahydro-6h-cyclopenta[a]phenanthrene-3,17-diol

124. 7.alpha.-(9-(4,4,5,5,5-pentafluoropentylsulphinyl)nonyl)estra-1,3,5(10)-triene-3,17.beta.-diol

125. 7alpha-[9-(4,4,5,5,5-pentafluoro-pentylsulfinyl)nonyl]estra-1,3,5(10)-triene-3,17beta-diol

126. 7alpha-[9-[(rs)-(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl]estra-1,3,5(10)-triene-3,17beta-diol

127. 7alpha-{9-[(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl}estra-1(10),2,4-triene-3,17beta-diol

128. Estra-1,3,5(10)-triene-3,17-diol, 7-(9-((4,4,5,5,5-pentafluoropentyl)sulfinyl)nonyl)-, (7.alpha.,17.beta.)-

129. Estra-1,5(10)-triene-3,17-diol, 7-[9-[(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl]-, (7.alpha.,17.beta.)-

2.4 Create Date
2005-06-24
3 Chemical and Physical Properties
Molecular Weight 606.8 g/mol
Molecular Formula C32H47F5O3S
XLogP39.2
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count9
Rotatable Bond Count14
Exact Mass606.31660734 g/mol
Monoisotopic Mass606.31660734 g/mol
Topological Polar Surface Area76.7 Ų
Heavy Atom Count41
Formal Charge0
Complexity854
Isotope Atom Count0
Defined Atom Stereocenter Count6
Undefined Atom Stereocenter Count1
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Drug and Medication Information
4.1 Drug Information
1 of 2  
Drug NameFaslodex
PubMed HealthFulvestrant (Injection)
Drug ClassesAntiestrogen
Drug LabelFASLODEX (fulvestrant) Injection for intramuscular administration is an estrogen receptor antagonist. The chemical name is 7-alpha-[9-(4,4,5,5,5-penta fluoropentylsulphinyl) nonyl]estra-1,3,5-(10)- triene-3,17-beta-diol. The molecular formula is C3...
Active IngredientFulvestrant
Dosage FormInjectable
RouteIntramuscular
Strength50mg/ml
Market StatusPrescription
CompanyAstrazeneca

2 of 2  
Drug NameFaslodex
PubMed HealthFulvestrant (Injection)
Drug ClassesAntiestrogen
Drug LabelFASLODEX (fulvestrant) Injection for intramuscular administration is an estrogen receptor antagonist. The chemical name is 7-alpha-[9-(4,4,5,5,5-penta fluoropentylsulphinyl) nonyl]estra-1,3,5-(10)- triene-3,17-beta-diol. The molecular formula is C3...
Active IngredientFulvestrant
Dosage FormInjectable
RouteIntramuscular
Strength50mg/ml
Market StatusPrescription
CompanyAstrazeneca

4.2 Therapeutic Uses

Antineoplastic Agents; Hormonal Estrogen Antagonists

National Library of Medicine's Medical Subject Headings online file (MeSH, 1999)


Fulvestrant is indicated for the treatment of hormone receptor positive metastatic breast cancer in postmenopausal women with disease progression following antiestrogen therapy. /Included in US product label/

US Natl Inst Health; DailyMed. Current Medication Information for Faslodex (Fulvestrant) (June 2006). Available from, as of November 13, 2008: https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?id=1615


4.3 Drug Warning

/Fulvestrant is contraindicated in/ pregnancy, known hypersensitivity to fulvestrant, benzyl alcohol, or any ingredient in the formulation.

American Society of Health System Pharmacists. AHFS Drug Information 2008. Bethesda, Maryland 2008, p. 1073


Because fulvestrant is administered by IM injection, the drug should not be used in patients with bleeding diatheses or thrombocytopenia or in those receiving anticoagulant therapy.

American Society of Health System Pharmacists. AHFS Drug Information 2008. Bethesda, Maryland 2008, p. 1074


The most common adverse effects of fulvestrant are adverse GI effects (e.g., nausea, vomiting, constipation, diarrhea, abdominal pain), headache, back pain, vasodilation (hot flushes), and pharyngitis, which occurred in approximately 52, 15, 14, 18, and 16% of patients, respectively, who received the drug in clinical studies.

American Society of Health System Pharmacists. AHFS Drug Information 2008. Bethesda, Maryland 2008, p. 1074


Other adverse effects occurring in 5-23% of patients receiving fulvestrant (in order of descending frequency) include asthenia, pain, nutritional disorders, bone pain, dyspnea, injection site pain, increased cough, pelvic pain, anorexia, peripheral edema, rash, chest pain, flu syndrome, dizziness, insomnia, fever, paresthesia, urinary tract infection, depression, anxiety, and sweating. Injection site reactions with mild transient pain and inflammation were reported in 7% of patients receiving a single 5-mL injection of fulvestrant in one study and in 27% of those who received two 2.5-mL injections of the drug in another study.

American Society of Health System Pharmacists. AHFS Drug Information 2008. Bethesda, Maryland 2008, p. 1074


For more Drug Warnings (Complete) data for FULVESTRANT (7 total), please visit the HSDB record page.


4.4 Drug Indication

For the treatment of hormone receptor positive metastatic breast cancer in postmenopausal women with disease progression following anti-estrogen therapy, as monotherapy or in combination with other antineoplastic agents.


FDA Label


Faslodex is indicated

- as monotherapy for the treatment of estrogen receptor positive, locally advanced or metastatic breast cancer in postmenopausal women:

- not previously treated with endocrine therapy, or

- with disease relapse on or after adjuvant antiestrogen therapy, or disease progression on antiestrogen therapy.

- in combination with palbociclib for the treatment of hormone receptor (HR)-positive, human epidermal growth factor receptor 2 (HER2)-negative locally advanced or metastatic breast cancer in women who have received prior endocrine therapy.

In pre- or perimenopausal women, the combination treatment with palbociclib should be combined with a luteinizing hormone releasing hormone (LHRH) agonist.


5 Pharmacology and Biochemistry
5.1 Pharmacology

Fulvestrant for intramuscular administration is an estrogen receptor antagonist without known agonist effects.


5.2 MeSH Pharmacological Classification

Antineoplastic Agents, Hormonal

Antineoplastic agents that are used to treat hormone-sensitive tumors. Hormone-sensitive tumors may be hormone-dependent, hormone-responsive, or both. A hormone-dependent tumor regresses on removal of the hormonal stimulus, by surgery or pharmacological block. Hormone-responsive tumors may regress when pharmacologic amounts of hormones are administered regardless of whether previous signs of hormone sensitivity were observed. The major hormone-responsive cancers include carcinomas of the breast, prostate, and endometrium; lymphomas; and certain leukemias. (From AMA Drug Evaluations Annual 1994, p2079) (See all compounds classified as Antineoplastic Agents, Hormonal.)


Estrogen Receptor Antagonists

Compounds and drugs that bind to and block or inhibit the activation of ESTROGEN RECEPTORS. (See all compounds classified as Estrogen Receptor Antagonists.)


5.3 FDA Pharmacological Classification
5.3.1 Active Moiety
FULVESTRANT
5.3.2 FDA UNII
22X328QOC4
5.3.3 Pharmacological Classes
Estrogen Receptor Antagonists [MoA]; Selective Estrogen Receptor Modulators [MoA]; Estrogen Receptor Antagonist [EPC]
5.4 ATC Code

L02BA03


L02BA03

S76 | LUXPHARMA | Pharmaceuticals Marketed in Luxembourg | Pharmaceuticals marketed in Luxembourg, as published by d'Gesondheetskeess (CNS, la caisse nationale de sante, www.cns.lu), mapped by name to structures using CompTox by R. Singh et al. (in prep.). List downloaded from https://cns.public.lu/en/legislations/textes-coordonnes/liste-med-comm.html. Dataset DOI:10.5281/zenodo.4587355


L - Antineoplastic and immunomodulating agents

L02 - Endocrine therapy

L02B - Hormone antagonists and related agents

L02BA - Anti-estrogens

L02BA03 - Fulvestrant


5.5 Absorption, Distribution and Excretion

Route of Elimination

Fulvestrant was rapidly cleared by the hepatobiliary route with excretion primarily via the feces (approximately 90%). Renal elimination was negligible (less than 1%).


Volume of Distribution

3 to 5 L/kg


Peak plasma concentrations of fulvestrant are attained approximately 7 days after IM administration and persist for at least 1 month. Steady-state plasma fulvestrant concentrations usually are achieved within 3-6 months when the drug is administered once-monthly by IM injection.

American Society of Health System Pharmacists. AHFS Drug Information 2008. Bethesda, Maryland 2008, p. 1074


Fulvestrant appears to be rapidly and extensively distributed, principally into the extravascular space

American Society of Health System Pharmacists. AHFS Drug Information 2008. Bethesda, Maryland 2008, p. 1074


99% (mainly VLDL, LDL, and HDL lipoprotein fractions).

American Society of Health System Pharmacists. AHFS Drug Information 2008. Bethesda, Maryland 2008, p. 1074


Has been shown to cross the placenta and distribute into milk in rats.

American Society of Health System Pharmacists. AHFS Drug Information 2008. Bethesda, Maryland 2008, p. 1074


For more Absorption, Distribution and Excretion (Complete) data for FULVESTRANT (8 total), please visit the HSDB record page.


5.6 Metabolism/Metabolites

Metabolism of fulvestrant appears to involve combinations of a number of possible biotransformation pathways analogous to those of endogenous steroids, including oxidation, aromatic hydroxylation, conjugation with glucuronic acid and/or sulphate at the 2, 3 and 17 positions of the steroid nucleus, and oxidation of the side chain sulphoxide. Identified metabolites are either less active or exhibit similar activity to fulvestrant in antiestrogen models. Studies using human liver preparations and recombinant human enzymes indicate that cytochrome P-450 3A4 (CYP 3A4) is the only P-450 isoenzyme involved in the oxidation of fulvestrant; however, the relative contribution of P-450 and non-P-450 routes in vivo is unknown.


Biotransformation and disposition of fulvestrant in humans have been determined following intramuscular and intravenous administration of 14C-labeled fulvestrant. Metabolism of fulvestrant appears to involve combinations of a number of possible biotransformation pathways analogous to those of endogenous steroids, including oxidation, aromatic hydroxylation, conjugation with glucuronic acid and/or sulphate at the 2, 3 and 17 positions of the steroid nucleus, and oxidation of the side chain sulphoxide.

US Natl Inst Health; DailyMed. Current Medication Information for Faslodex (Fulvestrant) (June 2006). Available from, as of November 13, 2008: https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?id=1615


Metabolites of fulvestrant exhibit pharmacologic activity that is similar to or less than that of the parent compound.

American Society of Health System Pharmacists. AHFS Drug Information 2008. Bethesda, Maryland 2008, p. 1074


In vitro studies indicate that CYP3A4 is the only enzyme involved in fulvestrant oxidation; however, the relative contribution of CYP and non-CYP routes in vivo currently is not known.

American Society of Health System Pharmacists. AHFS Drug Information 2008. Bethesda, Maryland 2008, p. 1074


5.7 Biological Half-Life

40 days


The elimination half-life of fulvestrant is about 40 days.

American Society of Health System Pharmacists. AHFS Drug Information 2008. Bethesda, Maryland 2008, p. 1074


5.8 Mechanism of Action

Fulvestrant competitively and reversibly binds to estrogen receptors present in cancer cells and achieves its anti-estrogen effects through two separate mechanisms. First, fulvestrant binds to the receptors and downregulates them so that estrogen is no longer able to bind to these receptors. Second, fulvestrant degrades the estrogen receptors to which it is bound. Both of these mechanisms inhibit the growth of tamoxifen-resistant as well as estrogen-sensitive human breast cancer cell lines.


Fulvestrant, a 7(alpha)-alkylsulfinyl analog of estradiol, is an estrogen antagonist. Data from animal studies indicate that fulvestrant does not possess estrogen-agonist activity. The drug competitively binds to and downregulates estrogen receptors in human breast cancer cells. Fulvestrant has been shown to inhibit the growth of tamoxifen-resistant as well as estrogen-sensitive human breast cancer (MCF-7) cell lines in vitro and in vivo. Data from studies in animals indicate that the drug also may block the uterotropic action of estradiol. Fulvestrant does not appear to exhibit peripheral steroidal effects in postmenopausal women, as evidenced by an absence of appreciable changes in plasma concentrations of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) after receiving 250 mg of fulvestrant IM monthly.

American Society of Health System Pharmacists. AHFS Drug Information 2008. Bethesda, Maryland 2008, p. 1074


The efferent ductules express the highest amount of estrogen receptors ESR1 (ERalpha) and ESR2 (ERbeta) within the male reproductive tract. Treatment of rats with the antiestrogen fulvestrant (ICI 182,780) causes inhibition of fluid reabsorption in the efferent ductules, leading to seminiferous tubule atrophy and infertility. To provide a more comprehensive knowledge about the molecular targets for estrogen in the rat efferent ductules, /the authors/ investigated the effects of ICI 182,780 treatment on gene expression using a microarray approach. Treatment with ICI 182,780 increased or reduced at least 2-fold the expression of 263 and 98 genes, respectively. Not surprisingly, several genes that encode ion channels and macromolecule transporters were affected. Interestingly, treatment with ICI 182,780 markedly altered the expression of genes related to extracellular matrix organization. Matrix metalloproteinase 7 (Mmp7), osteopontin (Spp1), and neuronal pentraxin 1 (Nptx1) were among the most altered genes in this category. Upregulation of Mmp7 and Spp1 and downregulation of Nptx1 were validated by Northern blot. Increase in Mmp7 expression was further confirmed by immunohistochemistry and probably accounted for the decrease in collagen content observed in the efferent ductules of ICI 182,780-treated animals. Downregulation of Nptx1 probably contributed to the extracellular matrix changes and decreased amyloid deposition in the efferent ductules of ICI 182,780-treated animals. Identification of new molecular targets for estrogen action may help elucidate the regulatory role of this hormone in the male reproductive tract.

PMID:18495684 Yasuhara F et al; Biol Reprod 79 (3): 432-41 (2008)


Fulvestrant is a pure antiestrogen that emerged from a systematic medicinal chemistry strategy of modification of long-chain alkyl substitutes in the 7a-position of estradiol. Fulvestrant has no uterotrophic effects on the immature or ovariectomized rat and blocks the agonistic effects of estradiol and tamoxifen in a dose-dependent manner. In in vivo and in vitro breast cancer models, fulvestrant has anticancer activity at least as good as tamoxifen and is superior to tamoxifen in some models. Fulvestrant requires intramuscular administration in a proprietary formulation of castor oil and alcohols. When fulvestrant binds to estrogen receptor monomers it inhibits receptor dimerization, activating function 1 (AF1) and AF2 are rendered inactive, translocation of receptor to the nucleus is reduced, and degradation of the estrogen receptor is accelerated. This results in pure antiestrogenic effects. ...

PMID:15865849 Carlson RW; Clin Breast Cancer 6 Suppl 1: S5-8 (2005)


Estrogen and tamoxifen activate large conductance Ca(2+)-activated K(+) (BK(Ca)) channels in smooth muscle through a non-genomic mechanism that depends on the regulatory beta1 subunit and an extracellular binding site. It is unknown whether a "pure" anti-estrogen such as ICI 182,780 (Faslodex), that has no known estrogenic properties, would have any effect on BK(Ca) channels. Using single channel patch clamp techniques on canine colonic myocytes, the hypothesis that ICI 182,780 would activate BK(Ca) channels was tested. ICI 182,780 increased the open probability of BK(Ca) channels in inside-out patches with an EC(50) of 1 microM. These data suggest that molecules with the ability to bind nuclear estrogen receptors, regardless of oestrogenic or anti-estrogenic nature, activate BK(Ca) channels through this nongenomic, membrane-delimited mechanism. The identity and characteristics of this putative binding site remain unclear; however, it has pharmacological similarity to estrogen receptors alpha and beta, as ICI 182,780 interacts with it.

PMID:12145095 Full text: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1573435 Dick GM; Br J Pharmacol 136 (7): 961-4 (2002)


For more Mechanism of Action (Complete) data for FULVESTRANT (6 total), please visit the HSDB record page.


Drugs in Development

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Details:

PRIMCYV® is a targeted therapy containing the active constituent palbociclib, a first-in-class CDK 4/6 inhibitor indicated in combination with an aromatase inhibitor for the first-line treatment of adult patients with HR+, HER2- metastatic breast cancer.


Lead Product(s): Palbociclib,Fulvestrant

Therapeutic Area: Oncology Brand Name: Primcyv

Study Phase: Approved FDFProduct Type: Miscellaneous

Sponsor: Undisclosed

Deal Size: Inapplicable Upfront Cash: Inapplicable

Deal Type: Inapplicable January 13, 2023

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Lead Product(s) : Palbociclib,Fulvestrant

Therapeutic Area : Oncology

Highest Development Status : Approved FDF

Partner/Sponsor/Collaborator : Undisclosed

Deal Size : Inapplicable

Deal Type : Inapplicable

Details : PRIMCYV® is a targeted therapy containing the active constituent palbociclib, a first-in-class CDK 4/6 inhibitor indicated in combination with an aromatase inhibitor for the first-line treatment of adult patients with HR+, HER2- metastatic breast cancer...

Product Name : Primcyv

Product Type : Miscellaneous

Upfront Cash : Inapplicable

January 13, 2023

Dr Reddy Company Banner

Details:

Dr. Reddy’s Fulvestrant Injection, 250 mg/5 mL (50 mg/mL) per Single-dose Syringe is available in a carton containing two 5 mL single-dose prefilled syringes.


Lead Product(s): Fulvestrant,Palbociclib

Therapeutic Area: Oncology Brand Name: Fulvestrant-Generic

Study Phase: Approved FDFProduct Type: Miscellaneous

Sponsor: Undisclosed

Deal Size: Inapplicable Upfront Cash: Inapplicable

Deal Type: Inapplicable September 07, 2020

Dr Reddy Company Banner

02

Lead Product(s) : Fulvestrant,Palbociclib

Therapeutic Area : Oncology

Highest Development Status : Approved FDF

Partner/Sponsor/Collaborator : Undisclosed

Deal Size : Inapplicable

Deal Type : Inapplicable

Details : Dr. Reddy’s Fulvestrant Injection, 250 mg/5 mL (50 mg/mL) per Single-dose Syringe is available in a carton containing two 5 mL single-dose prefilled syringes.

Product Name : Fulvestrant-Generic

Product Type : Miscellaneous

Upfront Cash : Inapplicable

September 07, 2020

Dr Reddy Company Banner
  • Development Update

Details:

Inavolisib is a small molecule drug, which is currently being evaluated in Phase II clinical studies for the treatment of breast neoplasms.


Lead Product(s): Inavolisib,Ribociclib,Fulvestrant

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase IIProduct Type: Miscellaneous

Sponsor: Novartis Pharmaceuticals Corporation

Deal Size: Inapplicable Upfront Cash: Inapplicable

Deal Type: Inapplicable June 01, 2026

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03

Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University

Country
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Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University

Country
arrow
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Not Confirmed

Details : Inavolisib is a small molecule drug, which is currently being evaluated in Phase II clinical studies for the treatment of breast neoplasms.

Product Name : Undisclosed

Product Type : Miscellaneous

Upfront Cash : Inapplicable

June 01, 2026

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Details:

BI 1810631 (Zongertinib) is a small molecule drug, which is currently being evaluated in Phase II clinical studies for the treatment of breast neoplasms.


Lead Product(s): Zongertinib,Fulvestrant

Therapeutic Area: Oncology Brand Name: BI 1810631

Study Phase: Phase IIProduct Type: Miscellaneous

Sponsor: Boehringer Ingelheim GmbH

Deal Size: Inapplicable Upfront Cash: Inapplicable

Deal Type: Inapplicable June 01, 2026

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04

MEDSIR

Spain
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PEGS Boston Summit
Not Confirmed

MEDSIR

Spain
arrow
PEGS Boston Summit
Not Confirmed

Details : BI 1810631 (Zongertinib) is a small molecule drug, which is currently being evaluated in Phase II clinical studies for the treatment of breast neoplasms.

Product Name : BI 1810631

Product Type : Miscellaneous

Upfront Cash : Inapplicable

June 01, 2026

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Details:

The proposed merger involves AVZO-023, a miscellaneous product, targeting CDK4 to address breast cancer.


Lead Product(s): AVZO-023,Fulvestrant

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase I/ Phase IIProduct Type: Miscellaneous

Sponsor: Avenzo Therapeutics

Deal Size: Undisclosed Upfront Cash: Undisclosed

Deal Type: Merger June 01, 2026

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Rallybio

U.S.A
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PEGS Boston Summit
Not Confirmed

Rallybio

U.S.A
arrow
PEGS Boston Summit
Not Confirmed

Details : The proposed merger involves AVZO-023, a miscellaneous product, targeting CDK4 to address breast cancer.

Product Name : Undisclosed

Product Type : Miscellaneous

Upfront Cash : Undisclosed

June 01, 2026

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Details:

In a private placement deal, AVZO-023 will be funded to target CDK4 in breast cancer research.


Lead Product(s): AVZO-023,Fulvestrant

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase I/ Phase IIProduct Type: Miscellaneous

Sponsor: T. Rowe Price Investment Management

Deal Size: $215.0 million Upfront Cash: Undisclosed

Deal Type: Private Placement June 01, 2026

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PEGS Boston Summit
Not Confirmed
PEGS Boston Summit
Not Confirmed

Lead Product(s) : AVZO-023,Fulvestrant

Therapeutic Area : Oncology

Highest Development Status : Phase I/ Phase II

Partner/Sponsor/Collaborator : T. Rowe Price Investment Management

Deal Size : $215.0 million

Deal Type : Private Placement

Details : In a private placement deal, AVZO-023 will be funded to target CDK4 in breast cancer research.

Product Name : Undisclosed

Product Type : Miscellaneous

Upfront Cash : Undisclosed

June 01, 2026

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Details:

IEV407 is currently being evaluated in Phase I clinical studies for the treatment of breast neoplasms.


Lead Product(s): IEV407,Fulvestrant,Letrozole

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase IProduct Type: Undisclosed

Sponsor: Undisclosed

Deal Size: Inapplicable Upfront Cash: Inapplicable

Deal Type: Inapplicable May 22, 2026

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PEGS Boston Summit
Not Confirmed
PEGS Boston Summit
Not Confirmed

Details : IEV407 is currently being evaluated in Phase I clinical studies for the treatment of breast neoplasms.

Product Name : Undisclosed

Product Type : Undisclosed

Upfront Cash : Inapplicable

May 22, 2026

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Details:

ERW316 is currently being evaluated in Phase I/ Phase II clinical studies for the treatment of breast neoplasms.


Lead Product(s): ERW316,Fulvestrant,Letrozole

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase I/ Phase IIProduct Type: Undisclosed

Sponsor: Undisclosed

Deal Size: Inapplicable Upfront Cash: Inapplicable

Deal Type: Inapplicable May 06, 2026

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PEGS Boston Summit
Not Confirmed
PEGS Boston Summit
Not Confirmed

Details : ERW316 is currently being evaluated in Phase I/ Phase II clinical studies for the treatment of breast neoplasms.

Product Name : Undisclosed

Product Type : Undisclosed

Upfront Cash : Inapplicable

May 06, 2026

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Details:

Serabelisib is a small molecule drug, which is currently being evaluated in Phase I/ Phase II clinical studies for the treatment of breast neoplasms.


Lead Product(s): Serabelisib,Sapanisertib,Fulvestrant

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase I/ Phase IIProduct Type: Miscellaneous

Sponsor: Undisclosed

Deal Size: Inapplicable Upfront Cash: Inapplicable

Deal Type: Inapplicable April 30, 2026

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09

PEGS Boston Summit
Not Confirmed
PEGS Boston Summit
Not Confirmed

Details : Serabelisib is a small molecule drug, which is currently being evaluated in Phase I/ Phase II clinical studies for the treatment of breast neoplasms.

Product Name : Undisclosed

Product Type : Miscellaneous

Upfront Cash : Inapplicable

April 30, 2026

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Details:

SH3765 is a small molecule drug, which is currently being evaluated in Phase I clinical studies for the treatment of breast neoplasms.


Lead Product(s): SH3765,Fulvestrant

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase IProduct Type: Miscellaneous

Sponsor: Undisclosed

Deal Size: Inapplicable Upfront Cash: Inapplicable

Deal Type: Inapplicable April 29, 2026

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10

PEGS Boston Summit
Not Confirmed
PEGS Boston Summit
Not Confirmed

Details : SH3765 is a small molecule drug, which is currently being evaluated in Phase I clinical studies for the treatment of breast neoplasms.

Product Name : Undisclosed

Product Type : Miscellaneous

Upfront Cash : Inapplicable

April 29, 2026

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INTERMEDIATE SUPPLIERS

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01

  • fda
  • EDQM
  • WHO-GMP

Virtual BoothYour reliable CDMO partner - agile, scalable, top-quality Small Molecule API & HPAPI solutions from concept to market

CAS Number : 148043-73-6

End Use API : Fulvestrant

About The Company : AGC Pharma Chemicals Europe is a leading CDMO partner for Small Molecule APIs, HPAPIs, and intermediates. It provides comprehensive, agile, and innovative solut...

Company Banner

02

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CAS Number : 1082040-43-4

End Use API : Fulvestrant

About The Company : Established in 2011 and situated in Hangzhou, Zhejiang, China, Hangzhou Longshine Bio-Tech CO., Ltd is dedicated to providing services for pharmaceutical and ch...

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03

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Not Confirmed
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PEGS Boston Summit
Not Confirmed
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CAS Number : 1408282-26-7

End Use API : Fulvestrant

About The Company : Established in 2011 and situated in Hangzhou, Zhejiang, China, Hangzhou Longshine Bio-Tech CO., Ltd is dedicated to providing services for pharmaceutical and ch...

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04

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Not Confirmed
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CAS Number : 850462-64-5

End Use API : Fulvestrant

About The Company : Established in 2011 and situated in Hangzhou, Zhejiang, China, Hangzhou Longshine Bio-Tech CO., Ltd is dedicated to providing services for pharmaceutical and ch...

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05

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Not Confirmed
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CAS Number : 148043-73-6

End Use API : Fulvestrant

About The Company : Jinan Tantu Chemicals Co., Ltd. operates as a Contract Development and Manufacturing Organization (CDMO) that serves pharmaceutical companies worldwide. Our cor...

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06

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Not Confirmed
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PEGS Boston Summit
Not Confirmed
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CAS Number : 1107606-68-7

End Use API : Fulvestrant

About The Company : Jinan Tantu Chemicals Co., Ltd. operates as a Contract Development and Manufacturing Organization (CDMO) that serves pharmaceutical companies worldwide. Our cor...

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07

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CAS Number : 511545-94-1

End Use API : Fulvestrant

About The Company : Jinan Tantu Chemicals Co., Ltd. operates as a Contract Development and Manufacturing Organization (CDMO) that serves pharmaceutical companies worldwide. Our cor...

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08

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CAS Number : 148757-89-5

End Use API : Fulvestrant

About The Company : Jinan Tantu Chemicals Co., Ltd. operates as a Contract Development and Manufacturing Organization (CDMO) that serves pharmaceutical companies worldwide. Our cor...

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FDF Dossiers

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01

Sanofi

France
  • fda
  • EDQM
  • WHO-GMP

Virtual BoothSanofi is a pioneer in Diabetes Solutions, Human Vaccines, Innovative Drugs, Consumer Healthcare, and the new Genzyme.

Flag France
Digital Content Digital Content

Regulatory Info : Allowed

Registration Country : Switzerland

Tawny

Brand Name : Fulvestrant Zentiva

Dosage Form : Solution For Injection

Dosage Strength : 250mg/5ml

Packaging :

Approval Date : 24/05/2021

Application Number : 68281

Regulatory Info : Allowed

Registration Country : Switzerland

Sanofi Company Banner

02

  • fda
  • EDQM
  • WHO-GMP

Virtual BoothDRL offers a portfolio of products & services, including APIs, CMO services, generics, biosimilars & differentiated formulations.

Flag India
Digital Content Digital Content

Regulatory Info : RX

Registration Country : USA

FULVESTRANT

Brand Name : FULVESTRANT

Dosage Form : SOLUTION;INTRAMUSCULAR

Dosage Strength : 250MG/5ML (50MG/ML)

Packaging :

Approval Date : 2020-08-07

Application Number : 209246

Regulatory Info : RX

Registration Country : USA

Dr Reddy Company Banner

03

  • fda
  • EDQM
  • WHO-GMP

Virtual BoothDRL offers a portfolio of products & services, including APIs, CMO services, generics, biosimilars & differentiated formulations.

Flag India
Digital Content Digital Content

Regulatory Info :

Registration Country : India

Fulvestrant

Brand Name : Fulvestrant

Dosage Form : Injectable

Dosage Strength : 50 mg/ml (5 ml)

Packaging :

Approval Date :

Application Number :

Regulatory Info :

Registration Country : India

Dr Reddy Company Banner

04

NanoAlvand

Iran
  • fda
  • EDQM
  • WHO-GMP

Virtual BoothNanoAlvand is the entrance to Global Markets as a trusted Highly Potent Products manufacturer.

Flag Iran
Digital Content Digital Content

Regulatory Info :

Registration Country : Iran

Fulvestrant

Brand Name : Fularent

Dosage Form : Prefilled Syringe

Dosage Strength : 250MG

Packaging :

Approval Date :

Application Number :

Regulatory Info :

Registration Country : Iran

NanoAlvand

05

  • fda
  • EDQM
  • WHO-GMP

Virtual BoothSupriya Lifesciences is a cGMP-compliant API manufacturing organization with a leadership position across key & niche products.

Flag India
Digital Content Digital Content

Regulatory Info :

Registration Country : India

Fulvestrant

Brand Name :

Dosage Form : Injection

Dosage Strength : 250MG/5ML

Packaging :

Approval Date :

Application Number :

Regulatory Info :

Registration Country : India

Supriya

06

  • fda
  • EDQM
  • WHO-GMP

Virtual BoothSupriya Lifesciences is a cGMP-compliant API manufacturing organization with a leadership position across key & niche products.

Flag India
Digital Content Digital Content

Regulatory Info :

Registration Country : India

Fulvestrant

Brand Name :

Dosage Form : Injection

Dosage Strength : 50MG/ML

Packaging :

Approval Date :

Application Number :

Regulatory Info :

Registration Country : India

Supriya

07

Ever Pharma

Austria
  • fda
  • EDQM
  • WHO-GMP

Virtual BoothEver Pharma, highly specialized CDMO in producing complex injectables including high potency & controlled substances, suspensions, etc.

Flag Austria
Digital Content Digital Content

Regulatory Info :

Registration Country : Austria

Fulvestrant

Brand Name : Fulvestrant

Dosage Form : Solution for Injection in Pre-Filled Syringe

Dosage Strength : 250MG

Packaging :

Approval Date :

Application Number :

Regulatory Info :

Registration Country : Austria

Ever Pharma CB

08

Ever Pharma

Austria
  • fda
  • EDQM
  • WHO-GMP

Virtual BoothEver Pharma, highly specialized CDMO in producing complex injectables including high potency & controlled substances, suspensions, etc.

Flag Austria
Digital Content Digital Content

Regulatory Info : Authorised

Registration Country : Malta

Fulvestrant

Brand Name : Fulvestrant Ever Valinject

Dosage Form : Solution For Injection

Dosage Strength : 250ML/5ML

Packaging :

Approval Date : 2022-05-03

Application Number :

Regulatory Info : Authorised

Registration Country : Malta

Ever Pharma CB

09

Ever Pharma

Austria
  • fda
  • EDQM
  • WHO-GMP

Virtual BoothEver Pharma, highly specialized CDMO in producing complex injectables including high potency & controlled substances, suspensions, etc.

Flag Austria
Digital Content Digital Content

Regulatory Info : Marketed

Registration Country : Norway

Fulvestrant

Brand Name : Fulvestrant Ever Pharma

Dosage Form : Solution For Injection

Dosage Strength : 250mg

Packaging :

Approval Date :

Application Number :

Regulatory Info : Marketed

Registration Country : Norway

Ever Pharma CB

10

Ever Pharma

Austria
  • fda
  • EDQM
  • WHO-GMP

Virtual BoothEver Pharma, highly specialized CDMO in producing complex injectables including high potency & controlled substances, suspensions, etc.

Flag Austria
Digital Content Digital Content

Regulatory Info : Authorized

Registration Country : Spain

Fulvestrant

Brand Name : Ambiful

Dosage Form : Injectable Solution In Pre-Filled Syringe

Dosage Strength : 250MG

Packaging :

Approval Date : 11-07-2019

Application Number : 83793

Regulatory Info : Authorized

Registration Country : Spain

Ever Pharma CB
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FDA Orange Book

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01

DR REDDYS

India
  • fda
  • EDQM
  • WHO-GMP

Virtual BoothDRL offers a portfolio of products & services, including APIs, CMO services, generics, biosimilars & differentiated formulations.

Flag India
Digital Content Digital Content

RLD : No

TE Code : AO

FULVESTRANT

Brand Name : FULVESTRANT

Dosage Form : SOLUTION;INTRAMUSCULAR

Dosage Strength : 250MG/5ML (50MG/ML)

Approval Date : 2020-08-07

Application Number : 209246

RX/OTC/DISCN : RX

RLD : No

TE Code : AO

Dr Reddy Company Banner

02

AMNEAL

U.S.A
PEGS Boston Summit
Not Confirmed
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AMNEAL

U.S.A
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FULVESTRANT

Brand Name : FULVESTRANT

Dosage Form : SOLUTION;INTRAMUSCULAR

Dosage Strength : 250MG/5ML (50MG/ML)

Approval Date : 2019-03-04

Application Number : 210044

RX/OTC/DISCN : RX

RLD : No

TE Code : AO

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03

ASTRAZENECA

United Kingdom
PEGS Boston Summit
Not Confirmed
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ASTRAZENECA

United Kingdom
arrow
PEGS Boston Summit
Not Confirmed

FULVESTRANT

Brand Name : FASLODEX

Dosage Form : SOLUTION;INTRAMUSCULAR

Dosage Strength : 125MG/2.5ML (50MG/ML)

Approval Date : 2002-04-25

Application Number : 21344

RX/OTC/DISCN : DISCN

RLD : Yes

TE Code :

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04

EUGIA PHARMA

India
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Not Confirmed
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EUGIA PHARMA

India
arrow
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Not Confirmed

FULVESTRANT

Brand Name : FULVESTRANT

Dosage Form : SOLUTION;INTRAMUSCULAR

Dosage Strength : 250MG/5ML (50MG/ML)

Approval Date : 2019-07-23

Application Number : 208811

RX/OTC/DISCN : DISCN

RLD : No

TE Code :

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05

EUGIA PHARMA

India
PEGS Boston Summit
Not Confirmed
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EUGIA PHARMA

India
arrow
PEGS Boston Summit
Not Confirmed

FULVESTRANT

Brand Name : FULVESTRANT

Dosage Form : SOLUTION;INTRAMUSCULAR

Dosage Strength : 250MG/5ML (50MG/ML)

Approval Date : 2023-06-30

Application Number : 215169

RX/OTC/DISCN : DISCN

RLD : No

TE Code :

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AVYXA HOLDINGS

Puerto Rico
PEGS Boston Summit
Not Confirmed
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AVYXA HOLDINGS

Puerto Rico
arrow
PEGS Boston Summit
Not Confirmed

FULVESTRANT

Brand Name : CLIGAVYX

Dosage Form : SOLUTION;INTRAMUSCULAR

Dosage Strength : 250MG/5ML (50MG/ML)

Approval Date : 2019-08-19

Application Number : 210063

RX/OTC/DISCN : DISCN

RLD : No

TE Code :

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07

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Not Confirmed
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FULVESTRANT

Brand Name : FULVESTRANT

Dosage Form : SOLUTION;INTRAMUSCULAR

Dosage Strength : 250MG/5ML (50MG/ML)

Approval Date : 2019-08-22

Application Number : 207754

RX/OTC/DISCN : RX

RLD : No

TE Code : AO

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08

HBT LABS INC

U.S.A
PEGS Boston Summit
Not Confirmed
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HBT LABS INC

U.S.A
arrow
PEGS Boston Summit
Not Confirmed

FULVESTRANT

Brand Name : FULVESTRANT

Dosage Form : SOLUTION;INTRAMUSCULAR

Dosage Strength : 250MG/5ML (50MG/ML)

Approval Date : 2019-11-21

Application Number : 209714

RX/OTC/DISCN : RX

RLD : No

TE Code : AO

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09

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FULVESTRANT

Brand Name : FULVESTRANT

Dosage Form : SOLUTION;INTRAMUSCULAR

Dosage Strength : 250MG/5ML (50MG/ML)

Approval Date : 2019-08-22

Application Number : 205871

RX/OTC/DISCN : RX

RLD : No

TE Code : AO

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10

SANDOZ

Switzerland
PEGS Boston Summit
Not Confirmed
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SANDOZ

Switzerland
arrow
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Not Confirmed

FULVESTRANT

Brand Name : FULVESTRANT

Dosage Form : SOLUTION;INTRAMUSCULAR

Dosage Strength : 250MG/5ML (50MG/ML)

Approval Date : 2019-05-14

Application Number : 205935

RX/OTC/DISCN : RX

RLD : No

TE Code : AO

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DRUG PRODUCT COMPOSITIONS

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DOSAGE - SOLUTION;INTRAMUSCULAR - 125MG/2.5ML...DOSAGE - SOLUTION;INTRAMUSCULAR - 125MG/2.5ML (50MG/ML)

USFDA APPLICATION NUMBER - 21344

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DOSAGE - SOLUTION;INTRAMUSCULAR - 250MG/5ML (...DOSAGE - SOLUTION;INTRAMUSCULAR - 250MG/5ML (50MG/ML)

USFDA APPLICATION NUMBER - 21344

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ABOUT THIS PAGE

Looking for 129453-61-8 / Fulvestrant API manufacturers, exporters & distributors?

Fulvestrant manufacturers, exporters & distributors 1

41

PharmaCompass offers a list of Fulvestrant API manufacturers, exporters & distributors, which can be sorted by GMP, USDMF, JDMF, KDMF, CEP (COS), WC, and more, enabling you to easily find the right Fulvestrant manufacturer or Fulvestrant supplier for your needs.

Send us enquiries for free, and we will assist you in establishing a direct connection with your preferred Fulvestrant manufacturer or Fulvestrant supplier.

API | Excipient name

Fulvestrant

Synonyms

129453-61-8, Faslodex, Ici 182,780, Ici 182780, Ici-182780, Zm 182780

Cas Number

129453-61-8

Unique Ingredient Identifier (UNII)

22X328QOC4

About Fulvestrant

An estradiol derivative and estrogen receptor antagonist that is used for the treatment of estrogen receptor-positive, locally advanced or metastatic breast cancer.

Fulvestrant Manufacturers

A Fulvestrant manufacturer is defined as any person or entity involved in the manufacture, preparation, processing, compounding or propagation of Fulvestrant, including repackagers and relabelers. The FDA regulates Fulvestrant manufacturers to ensure that their products comply with relevant laws and regulations and are safe and effective to use. Fulvestrant API Manufacturers are required to adhere to Good Manufacturing Practices (GMP) to ensure that their products are consistently manufactured to meet established quality criteria.

click here to find a list of Fulvestrant manufacturers with USDMF, JDMF, KDMF, CEP, GMP, and COA related information on PhamaCompass.

Fulvestrant Suppliers

A Fulvestrant supplier is an individual or a company that provides Fulvestrant active pharmaceutical ingredient (API) or Fulvestrant finished formulations upon request. The Fulvestrant suppliers may include Fulvestrant API manufacturers, exporters, distributors and traders.

click here to find a list of Fulvestrant suppliers with USDMF, JDMF, KDMF, CEP, GMP, and COA related information on PharmaCompass.

Fulvestrant USDMF

A Fulvestrant DMF (Drug Master File) is a document detailing the whole manufacturing process of Fulvestrant active pharmaceutical ingredient (API) in detail. Different forms of Fulvestrant DMFs exist exist since differing nations have different regulations, such as Fulvestrant USDMF, ASMF (EDMF), JDMF, CDMF, etc.

A Fulvestrant DMF submitted to regulatory agencies in the US is known as a USDMF. Fulvestrant USDMF includes data on Fulvestrant's chemical properties, information on the facilities and procedures used, and details about packaging and storage. The Fulvestrant USDMF is kept confidential to protect the manufacturer’s intellectual property.

click here to find a list of Fulvestrant suppliers with USDMF on PharmaCompass.

Fulvestrant JDMF

The Pharmaceuticals and Medical Devices Agency (PMDA) established the Japan Drug Master File (JDMF), also known as the Master File (MF), to permit Japanese and foreign manufacturers of drug substances, intermediates, excipients, raw materials, and packaging materials (‘Products’) to voluntarily register confidential information about the production and management of their products in Japan.

The Fulvestrant Drug Master File in Japan (Fulvestrant JDMF) empowers Fulvestrant API manufacturers to present comprehensive information (e.g., production methods, data, etc.) to the review authority, i.e., PMDA (Pharmaceuticals & Medical Devices Agency).

PMDA reviews the Fulvestrant JDMF during the approval evaluation for pharmaceutical products. At the time of Fulvestrant JDMF registration, PMDA checks if the format is accurate, if the necessary items have been included (application), and if data has been attached.

click here to find a list of Fulvestrant suppliers with JDMF on PharmaCompass.

Fulvestrant KDMF

In Korea, the Ministry of Food and Drug Safety (MFDS) is in charge of regulating pharmaceutical products and services.

Pharmaceutical companies submit a Fulvestrant Drug Master File in Korea (Fulvestrant KDMF) to the MFDS, which includes comprehensive information about the production, processing, facilities, materials, packaging, and testing of Fulvestrant. The MFDS reviews the Fulvestrant KDMF as part of the drug registration process and uses the information provided in the Fulvestrant KDMF to evaluate the safety and efficacy of the drug.

After submitting a Fulvestrant KDMF to the MFDS, the registered manufacturer can provide importers or distributors with the registration number without revealing confidential information to Korean business partners. Applicants seeking to register their Fulvestrant API can apply through the Korea Drug Master File (KDMF).

click here to find a list of Fulvestrant suppliers with KDMF on PharmaCompass.

Fulvestrant CEP

A Fulvestrant CEP of the European Pharmacopoeia monograph is often referred to as a Fulvestrant Certificate of Suitability (COS). The purpose of a Fulvestrant CEP is to show that the European Pharmacopoeia monograph adequately controls the purity of Fulvestrant EP produced by a given manufacturer. Suppliers of raw materials can prove the suitability of Fulvestrant to their clients by showing that a Fulvestrant CEP has been issued for it. The manufacturer submits a Fulvestrant CEP (COS) as part of the market authorization procedure, and it takes on the role of a Fulvestrant CEP holder for the record. Additionally, the data presented in the Fulvestrant CEP (COS) is managed confidentially and offers a centralized system acknowledged by numerous nations, exactly like the Fulvestrant DMF.

A Fulvestrant CEP (COS) is recognised by all 36 nations that make up the European Pharmacopoeia Convention. Fulvestrant CEPs may be accepted in nations that are not members of the Ph. Eur. at the discretion of the authorities there.

click here to find a list of Fulvestrant suppliers with CEP (COS) on PharmaCompass.

Fulvestrant WC

A Fulvestrant written confirmation (Fulvestrant WC) is an official document issued by a regulatory agency to a Fulvestrant manufacturer, verifying that the manufacturing facility of a Fulvestrant active pharmaceutical ingredient (API) adheres to the Good Manufacturing Practices (GMP) regulations of the importing country. When exporting Fulvestrant APIs or Fulvestrant finished pharmaceutical products to another nation, regulatory agencies frequently require a Fulvestrant WC (written confirmation) as part of the regulatory process.

click here to find a list of Fulvestrant suppliers with Written Confirmation (WC) on PharmaCompass.

Fulvestrant NDC

National Drug Code is a comprehensive database maintained by the FDA that contains information on all drugs marketed in the US. This directory includes information about finished drug products, unfinished drug products, and compounded drug products, including those containing Fulvestrant as an active pharmaceutical ingredient (API).

Finished drug products

The FDA updates the NDC directory daily. The NDC numbers for Fulvestrant API and other APIs are published in this directory by the FDA.

Unfinished drugs

The NDC unfinished drugs database includes product listing information submitted for all unfinished drugs, such as active pharmaceutical ingredients (APIs), drugs intended for further processing and bulk drug substances for compounding.

Pharmaceutical companies that manufacture Fulvestrant as an active pharmaceutical ingredient (API) must furnish the FDA with an updated record of all drugs that they produce, prepare, propagate, compound, or process for commercial distribution in the US at their facilities.

Compounded drug products

The NDC directory also contains data on finished compounded human drug products that contain Fulvestrant and are produced by outsourcing facilities. While these outsourcing facilities are not mandated to assign a Fulvestrant NDC to their finished compounded human drug products, they may choose to do so.

click here to find a list of Fulvestrant suppliers with NDC on PharmaCompass.

Fulvestrant GMP

Fulvestrant Active pharmaceutical ingredient (API) is produced in GMP-certified manufacturing facility.

GMP stands for Good Manufacturing Practices, which is a system used in the pharmaceutical industry to make sure that goods are regularly produced and monitored in accordance with quality standards. The FDA’s current Good Manufacturing Practices requirements are referred to as cGMP or current GMP which indicates that the company follows the most recent GMP specifications. The World Health Organization (WHO) has its own set of GMP guidelines, called the WHO GMP. Different countries can also set their own guidelines for GMP like China (Chinese GMP) or the EU (EU GMP).

PharmaCompass offers a list of Fulvestrant GMP manufacturers, exporters & distributors, which can be sorted by USDMF, JDMF, KDMF, CEP (COS), WC, and more, enabling you to easily find the right Fulvestrant GMP manufacturer or Fulvestrant GMP API supplier for your needs.

Fulvestrant CoA

A Fulvestrant CoA (Certificate of Analysis) is a formal document that attests to Fulvestrant's compliance with Fulvestrant specifications and serves as a tool for batch-level quality control.

Fulvestrant CoA mostly includes findings from lab analyses of a specific batch. For each Fulvestrant CoA document that a company creates, the USFDA specifies specific requirements, such as supplier information, material identification, transportation data, evidence of conformity and signature data.

Fulvestrant may be tested according to a variety of international standards, such as European Pharmacopoeia (Fulvestrant EP), Fulvestrant JP (Japanese Pharmacopeia) and the US Pharmacopoeia (Fulvestrant USP).

Inform the supplier about your product requirements, specifying if you need a product with particular monograph like EP (Ph. Eur.), USP, JP, BP, or any other quality. In addition, clarify whether you need hydrochloride (HCl), anhydricum, base, micronisatum or a specific level of purity. To find reputable suppliers, utilize the filters and select those certified by GMP, FDA, or any other certification as per your requirement.
For your convenience, we have listed synonyms and CAS numbers to help you find the best supplier. The use of synonyms and CAS numbers can be helpful in identifying potential suppliers, but it is crucial to note that they might not always indicate the exact same product. It is important to confirm the product details with the supplier before making a purchase to ensure that it meets your requirements.
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