drugset / Trial / NCT00478335
Pharmacologic Treatment of Congenital Nephrogenic Diabetes Insipidus
RandomizedCrossoverQuadruple-blindTreatment
Summary
The purpose of this research study is to determine if two investigational medications will be more effective in decreasing urine output than the currently available and routinely used medications in patients with congenital nephrogenic diabetes insipidus (NDI).
Timeline
- Start
- 2007-05
- Primary completion
- 2012-10
- Completion
- 2012-10
Publications
- Background Bichet DG. Nephrogenic diabetes insipidus. Adv Chronic Kidney Dis. 2006 Apr;13(2):96-104. doi: 10.1053/j.ackd.2006.01.006.
- Background Fujiwara TM, Bichet DG. Molecular biology of hereditary diabetes insipidus. J Am Soc Nephrol. 2005 Oct;16(10):2836-46. doi: 10.1681/ASN.2005040371. Epub 2005 Aug 10.
- Background Schrier RW, Cadnapaphornchai MA. Renal aquaporin water channels: from molecules to human disease. Prog Biophys Mol Biol. 2003 Feb;81(2):117-31. doi: 10.1016/s0079-6107(02)00049-4.
- Background Schrier RW, Cadnapaphornchai MA, Umenishi F. Water-losing and water-retaining states: role of water channels and vasopressin receptor antagonists. Heart Dis. 2001 May-Jun;3(3):210-4. doi: 10.1097/00132580-200105000-00014.
- Background Nielsen S, Kwon TH, Frokiaer J, Agre P. Regulation and dysregulation of aquaporins in water balance disorders. J Intern Med. 2007 Jan;261(1):53-64. doi: 10.1111/j.1365-2796.2006.01760.x.
- Background Kotnik P, Nielsen J, Kwon TH, Krzisnik C, Frokiaer J, Nielsen S. Altered expression of COX-1, COX-2, and mPGES in rats with nephrogenic and central diabetes insipidus. Am J Physiol Renal Physiol. 2005 May;288(5):F1053-68. doi: 10.1152/ajprenal.00114.2004. Epub 2005 Jan 11.
- Background Nielsen S, Frokiaer J, Marples D, Kwon TH, Agre P, Knepper MA. Aquaporins in the kidney: from molecules to medicine. Physiol Rev. 2002 Jan;82(1):205-44. doi: 10.1152/physrev.00024.2001.
- Background Bouley R, Pastor-Soler N, Cohen O, McLaughlin M, Breton S, Brown D. Stimulation of AQP2 membrane insertion in renal epithelial cells in vitro and in vivo by the cGMP phosphodiesterase inhibitor sildenafil citrate (Viagra). Am J Physiol Renal Physiol. 2005 Jun;288(6):F1103-12. doi: 10.1152/ajprenal.00337.2004. Epub 2005 Jan 11.
Drugs
| Evaluation | Drug | Modality | Dose | Route |
|---|---|---|---|---|
| Subject | Calcitonin | Protein / enzyme biologic | — | Intranasal |
| Subject | Sildenafil | Unknown | 25 mg | — |
| Subject | Sildenafil | Unknown | 50 mg | — |
| Background | Amiloride | Small molecule | 2.5 mg | — |
| Background | Amiloride | Small molecule | 5 mg | — |
| Background | Hydrochlorothiazide | Unknown | 25 mg | — |
| Background | Hydrochlorothiazide | Unknown | 50 mg | — |
| Background | Indomethacin | Small molecule | 50 mg | — |