Barusiban (INN; development code FE-200440) is a peptide drug which is among the most potent and selective oxytocin receptor antagonists known. It was trialed by Ferring Pharmaceuticals as a treatment of preterm labor but failed to demonstrate effectiveness and was not pursued any further.
See also Oxytocin receptor antagonist Atosiban Epelsiban L-368,899 L-371,257 Retosiban
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