Peptide · Approved

Calcitonin

A hormone (often salmon-derived) that lowers blood calcium; used in osteoporosis and hypercalcaemia.

Key facts

  • Also known as: Miacalcin, Fortical
  • Status: Approved
  • Used for: Osteoporosis, high calcium
  • Natural counterpart: A salmon version of the natural hormone calcitonin.
  • Target enzyme / receptor: Calcitonin receptor (CALCR) — class B GPCR
  • Signalling pathway: Gαs → cAMP → inhibits osteoclast bone resorption
    In plain terms: Puts the brakes on bone-dissolving cells, lowering blood calcium.
  • Crystal / cryo-EM structure: Available  PDB 7TYN ↗

Status & safety

This is an approved medicine — prescription-only in most countries. Only use it under a licensed clinician, obtained through a pharmacy.

Research & clinical studies

Explore the biochemistry and clinical evidence for Calcitonin — these open live, date-sorted searches, so they always show the latest.

Read research papers on PubMed ↗

Clinical studies (ClinicalTrials.gov) ↗ Google Scholar ↗ Related guide → All peptides & profiles →

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