Gemeprost

Gemeprost

Systematic (IUPAC) name
methyl (2E,11α,13E,15R)-11,15-dihydroxy-16,16-dimethyl-9-oxoprosta-2,13-dien-1-oate
Clinical data
AHFS/Drugs.com	International Drug Names
Routes of administration	Pessary
Identifiers
CAS Number	64318-79-2 Y
ATC code	G02AD03 (WHO)
PubChem	CID: 5282237
DrugBank	DB08964 N
ChemSpider	4445416 Y
UNII	45KZB1FOLS Y
KEGG	D02073 Y
Synonyms	methyl (E)-7-[(1R,2S,3R)-3-hydroxy-2-[(E,3R)-3-hydroxy-4,4-dimethyl-oct-1-enyl]-5-oxo-cyclopentyl]hept-2-enoate
Chemical data
Formula	C23H38O5
Molecular mass	394.545 g/mol
SMILES O=C1C[C@@H](O)[C@H](/C=C/[C@@H](O)C(C)(C)CCCC)[C@H]1CCCC\C=C\C(=O)OC
InChI InChI=1S/C23H38O5/c1-5-6-15-23(2,3)21(26)14-13-18-17(19(24)16-20(18)25)11-9-7-8-10-12-22(27)28-4/h10,12-14,17-18,20-21,25-26H,5-9,11,15-16H2,1-4H3/b12-10+,14-13+/t17-,18-,20-,21-/m1/s1 Y Key:KYBOHGVERHWSSV-VNIVIJDLSA-N Y
NY (what is this?)  (verify)

Gemeprost (16, 16-dimethyl-trans-delta2 PGE₁ methyl ester) is an analogue of prostaglandin E₁.

Clinical use

It is used as a treatment for obstetric bleeding.

It is used with mifepristone to terminate pregnancy up to 24 weeks gestation.

Side effects

Vaginal bleeding, cramps, nausea, vomiting, loose stools or diarrhea, headache, muscle weakness; dizziness; flushing; chills; backache; dyspnoea; chest pain; palpitations and mild pyrexia. Rare: Uterine rupture, severe hypotension, coronary spasms with subsequent myocardial infarctions.