Romosozumab

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Romosozumab
Monoclonal antibody
Type Whole antibody
Source Humanized (from mouse)
Target Sclerostin
Clinical data
Legal status
  • Investigational
Identifiers
CAS Number 909395-70-6 N
ATC code none
KEGG D10156 N
Chemical data
Formula C6452H9926N1714O2040S54
Molecular mass 145.9 kg/mol
 NYesY (what is this?)  (verify)

Romosozumab (AMG 785) is a humanized monoclonal antibody that targets sclerostin for the treatment of osteoporosis.[1]

Romosozumab was originally discovered by Celltech (now owned by UCB).[2] Celltech entered in a partnership with Amgen in 2002 for the product's development.[3]

Romosozumab is of interest because of sclerostin's specificity to bone.[4] Its use has increased bone growth in preclinical trials in osteoporotic rats and monkeys.[5][6] In a Phase I study, a single dose of Romosozumab increased bone density in the hip and spine in healthy men and postmenopausal women and the drug was well tolerated.[7] In a Phase II trial, one year of Romosozumab treatment in osteoporotic women increased bone density more than bisphosphonate and teriparatide treatment; it had mild injection side effects.[8][9]

As of January 2014, Phase 3 clinical trials are recruiting patients.[10]

References

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  2. Osteocyte control of bone formation via sclerostin, a novel BMP antagonist. EMBO J. 2003 Dec 1;22(23):6267-76.
  3. Celltech group Annual Report and Accounts 2002
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  10. ClinicalTrials.gov: Romosozumab


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