U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 31 - 40 of 62 results

Status:
Other

Class (Stereo):
CHEMICAL (ABSOLUTE)

Status:
Other

Class (Stereo):
CHEMICAL (ABSOLUTE)

Status:
Other

Class (Stereo):
CHEMICAL (ACHIRAL)



OPC-21268, a non-peptide vasopressin V1 receptor antagonist, inhibited oxytocin- and vasopressin-induced contractions of myometrial strips from rats and from full-term pregnant women. OPC-21268, because of its non-peptide structure, is orally active and has been shown to lower blood pressure in a patient with congestive heart failure and in spontaneously hypertensive rats. It also attenuates vasopressin induced bradycardia in rabbits and pressor responses in rats. It has been demonstrated that OPC-21268 exerts its inhibitory action through binding to the vasopressin V1 receptors in rat liver and kidney. Finally, OPC-21268 was reported to be safe and non-toxic in healthy humans. Merck scientists showed that OPC-21268 had significant affinity for the rOTR and the hOTR. OPC-21268 has been in phase II clinical trials by Otsuka for the treatment of heart failure and hypertension. However, this research has been discontinued.
Status:
Other

Class (Stereo):
CHEMICAL (ACHIRAL)

Status:
Other

Class (Stereo):
CHEMICAL (ABSOLUTE)

Status:
Other

Class (Stereo):
CHEMICAL (ABSOLUTE)

Status:
Other

Class (Stereo):
CHEMICAL (ABSOLUTE)

Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ABSOLUTE)


Conditions:

Ornipressin (ornithine-8-vasopressin, POR-8), is a synthetic vasopressin analogue. Ornipressin produces vasoconstriction via vasopressin V1A receptor-mediated vascular smooth muscle cell contraction. Ornipressin is used to control bleeding in surgical practice. It was introduced in 1971, and approved for use in Germany, Switzerland, New Zealand and Australia.