Octreotide

Octreotide, sold under the brand name Sandostatin among others, is an octapeptide that mimics natural somatostatin pharmacologically, though it is a more potent inhibitor of growth hormone, glucagon, and insulin than the natural hormone. It was first synthesized in 1979 by the chemist Wilfried Bauer, and binds predominantly to the somatostatin receptors SSTR2 and SSTR5.

Octreotide
3D structure of octreotide. PDB: 6VC1
Clinical data
Trade namesSandostatin, Bynfezia Pen, Mycapssa, others
AHFS/Drugs.comMonograph
MedlinePlusa693049
License data
Pregnancy
category
  • AU: C
Routes of
administration
Subcutaneous, intramuscular, intravenous, by mouth
ATC code
Legal status
Legal status
Pharmacokinetic data
Bioavailability60% (IM), 100% (SC)
Protein binding40–65%
MetabolismLiver
Elimination half-life1.7–1.9 hours
ExcretionUrine (32%)
Identifiers
  • (4R,7S,10S,13R,16S,19R)-10-(4-aminobutyl)-19-
    [[(2R)-2-amino-3-phenyl-propanoyl]amino]-16-
    benzyl-N-[(2R,3R)-1,3-dihydroxybutan-2-yl]-7-
    (1-hydroxyethyl)-13-(1H-indol-3-ylmethyl)-6,9,12,
    15,18-pentaoxo-1,2-dithia-5,8,11,14,17-
    pentazacycloicosane-4-carboxamide
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC49H66N10O10S2
Molar mass1019.25 g·mol−1
3D model (JSmol)
  • C[C@H]([C@H]1C(=O)N[C@@H](CSSC[C@@H](C(=O)N[C@H](C(=O)N[C@@H](C(=O)N[C@H](C(=O)N1)CCCCN)Cc2c[nH]c3c2cccc3)Cc4ccccc4)NC(=O)[C@@H](Cc5ccccc5)N)C(=O)N[C@H](CO)[C@@H](C)O)O
  • InChI=1S/C49H66N10O10S2/c1-28(61)39(25-60)56-48(68)41-27-71-70-26-40(57-43(63)34(51)21-30-13-5-3-6-14-30)47(67)54-37(22-31-15-7-4-8-16-31)45(65)55-38(23-32-24-52-35-18-10-9-17-33(32)35)46(66)53-36(19-11-12-20-50)44(64)59-42(29(2)62)49(69)58-41/h3-10,13-18,24,28-29,34,36-42,52,60-62H,11-12,19-23,25-27,50-51H2,1-2H3,(H,53,66)(H,54,67)(H,55,65)(H,56,68)(H,57,63)(H,58,69)(H,59,64)/t28-,29-,34-,36+,37+,38-,39-,40+,41+,42+/m1/s1 N
  • Key:DEQANNDTNATYII-OULOTJBUSA-N N
 NY (what is this?)  (verify)

It was approved for use in the United States in 1988. Octreotide (Mycapssa) was approved for medical use in the European Union in 2022. As of June 2020, octreotide (Mycapssa) is the first and only oral somatostatin analog (SSA) approved by the FDA. It is on the World Health Organization's List of Essential Medicines.

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