Bazedoxifene

Bazedoxifene, used as bazedoxifene acetate, is a medication for bone problems and possibly (pending more study) for cancer.[1] It is a third-generation selective estrogen receptor modulator (SERM).[2] Since late 2013 it has had U.S. FDA approval for bazedoxifene as part of the combination drug Duavee in the prevention (not treatment) of postmenopausal osteoporosis. It is also being studied for possible treatment of breast cancer and pancreatic cancer.[3]

Bazedoxifene
Clinical data
Trade namesConbriza, Duavee, Duavive, Viviant
AHFS/Drugs.comInternational Drug Names
License data
Routes of
administration		By mouth
ATC code
Legal status
Legal status
  • In general: ℞ (Prescription only)
Identifiers
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
ChEMBL
PDB ligand
CompTox Dashboard (EPA)
ECHA InfoCard100.232.728
Chemical and physical data
FormulaC30H34N2O3
Molar mass470.603 g/mol g·mol−1
3D model (JSmol)
 NY (what is this?)  (verify)

Medical uses

Bazedoxifene is used in the treatment of postmenopausal osteoporosis.

Available forms

Bazedoxifene is marketed both alone and in combination with conjugated estrogens.[4]

Pharmacology

Pharmacodynamics

Bazedoxifene is a selective estrogen receptor modulator (SERM), or a mixed agonist and antagonist of the estrogen receptor (ER) in different tissues.

Tissue-specific estrogenic and antiestrogenic activity of SERMs
MedicationBreastBoneLiverUterusVaginaBrain
LipidsCoagulationSHBGIGF-1Hot flashesGonadotropins
Estradiol++++++++++
"Ideal SERM"–++±±±–++±
Bazedoxifene–++++?–±–?
Clomifene–++?++–?–±
Lasofoxifene–+++??±±–?
Ospemifene–+++++±±–±
Raloxifene–+++++±––±
Tamoxifen–++++++––±
Toremifene–++++++––±
Effect: + = Estrogenic / agonistic. ± = Mixed or neutral. – = Antiestrogenic / antagonistic. Sources: See template.

Chemistry

The drug is a member of the 2-phenylindole group of SERMs, along with zindoxifene and pipendoxifene.[5]

History

Development

Bazedoxifene was developed by Pfizer following the completion of their takeover of Wyeth Pharmaceuticals. It is the result of an exclusive research collaboration between Wyeth Pharmaceuticals and Ligand Pharmaceuticals.

Approval

The drug was approved in the European Union by the European Medicines Agency on April 27, 2009.[6]

On October 3, 2013 the FDA approved the combination product of bazedoxifene 20 mg with 0.45 mg Premarin (conjugated estrogens) for the treatment of menopausal osteoporosis and the treatment of moderate to severe hot flushes. This is the first approved menopausal hormone therapy product that contains a SERM (bazedoxifene) and an estrogen.

Society and culture

Brand names

Bazedoxifene is marketed alone under the brand names Conbriza and Viviant and in combination with conjugated estrogens under the brand names Duavee and Duavive.[4]

See also

References
  1. https://www.accessdata.fda.gov/drugsatfda_docs/label/2013/022247Orig1s001lbl.pdf
  2. Biskobing, D. M. (2007). "Update on bazedoxifene: A novel selective estrogen receptor modulator". Clinical Interventions in Aging. 2 (3): 299–303. PMC 2685267. PMID 18044180.
  3. http://medicalxpress.com/news/2013-06-osteoporosis-drug-growth-breast-cancer.html
  4. https://www.drugs.com/international/bazedoxifene.html
  5. Gordon W. Gribble (9 October 2010). Heterocyclic Scaffolds II:: Reactions and Applications of Indoles. Springer Science & Business Media. pp. 14–. ISBN 978-3-642-15732-5.
  6. "EPARs for authorised medicinal products for human use - Conbriza". European Medicines Agency. 26 May 2009. Archived from the original on 11 June 2009. Retrieved 2009-07-08.
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