Gemeprost

Gemeprost
Clinical data
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
AHFS/Drugs.com	International Drug Names
Routes of; administration	Pessary
ATC code	G02AD03 (WHO) ;
Identifiers
	IUPAC name methyl (2E,11α,13E,15R)-11,15-dihydroxy-16,16-dimethyl-9-oxoprosta-2,13-dien-1-oate;
CAS Number	64318-79-2 ;
PubChem CID	5282237;
DrugBank	DB08964 ;
ChemSpider	4445416 ;
UNII	45KZB1FOLS;
KEGG	D02073 ;
ECHA InfoCard	100.058.869
Chemical and physical data
Formula	C23H38O5
Molar mass	394.545 g/mol
3D model (JSmol)	Interactive image;
	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 ; Key:KYBOHGVERHWSSV-VNIVIJDLSA-N ;
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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.^[1]

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.

References

↑ Bartley J, Brown A, Elton R, Baird DT (October 2001). "Double-blind randomized trial of mifepristone in combination with vaginal gemeprost or misoprostol for induction of abortion up to 63 days gestation". Human reproduction (Oxford, England). 16 (10): 2098–102. doi:10.1093/humrep/16.10.2098. PMID 11574498. Retrieved 2008-10-29.

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[pmid11574498-1] Bartley J, Brown A, Elton R, Baird DT (October 2001). "Double-blind randomized trial of mifepristone in combination with vaginal gemeprost or misoprostol for induction of abortion up to 63 days gestation". Human reproduction (Oxford, England). 16 (10): 2098–102. doi:10.1093/humrep/16.10.2098. PMID 11574498. Retrieved 2008-10-29.