Abstract:
:The vasopressin analogue desmopressin (desamino-d-arginine8 vasopressin, dDAVP, 1) is a potent vasopressin 2 (V2) receptor (V2R) agonist approved in many countries for the treatment of diabetes insipidus, primary nocturnal enuresis, nocturia, and coagulation disorders. Since 1 is primarily excreted via the kidneys, an age-related decline in kidney function leads to slower elimination, prolonged antidiuresis, and hyponatremia. In search of novel, potent, selective, and short-acting peptidic V2R agonists, we synthesized a series of C-terminally truncated analogues of [Val4]dDAVP, 2, modified in positions 2, 3, and 7 and/or at the disulfide bridge. The peptides were evaluated for in vitro potency at the human V2 receptor, selectivity versus the related receptors (human vasopressin 1a receptor, human vasopressin 1b receptor, and human oxytocin receptor), and pharmacokinetic profiles in rodents and other higher species. The truncated analogues show excellent potency at the V2R, increased systemic clearance, and shorter half-life in rats. Two compounds 19 (c(Bua-Cpa-Thi-Val-Asn-Cys)-Pro-Agm) and 38 (c(Bua-Cpa-Thi-Val-Asn-Cys)-Pro-d-Arg-NEt2) have been selected for clinical development for nocturia.
journal_name
J Med Chemjournal_title
Journal of medicinal chemistryauthors
Wiśniewski K,Qi S,Kraus J,Ly B,Srinivasan K,Tariga H,Croston G,La E,Wiśniewska H,Ortiz C,Laporte R,Rivière PJ,Neyer G,Hargrove DM,Schteingart CDdoi
10.1021/acs.jmedchem.9b00132subject
Has Abstractpub_date
2019-05-23 00:00:00pages
4991-5005issue
10eissn
0022-2623issn
1520-4804journal_volume
62pub_type
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