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Clinical Trial Summary

Many patients with scleroderma have damage to their kidneys caused by the disease. There is limited evidence for treatments to prevent this damage or stop it progressing. Blocking a substance in the blood called endothelin has helped treat some aspects of scleroderma. The purpose of this study is to see how effective a new endothelin blocker called Zibotentan is in treating patients who have scleroderma and have gone on to develop reduced kidney function as a complication. It will be given in addition to the accepted treatments used for scleroderma. There will be three parts to this study each for a different group of patients:

- ZEBRA 1 for patients with mild or moderate kidney disease caused by scleroderma

- ZEBRA 2A for patients with a more severe, acute form of kidney disease caused by scleroderma (scleroderma renal crisis) who do not require dialysis

- ZEBRA 2B for patients who have had scleroderma renal crisis and are on dialysis


Clinical Trial Description

This is a 3-part study (Zebra 1, 2A and 2B) that will explore safety and therapeutic potential of Zibotentan in acute and chronic renal complications of Scleroderma. Trial duration will be 52 weeks for Zebra 1 and 2A (1 or 2 weeks for ZEBRA 2B with 1 year follow up data). Scleroderma (Systemic sclerosis) is a multisystem rheumatic disease that results in vascular damage and fibrosis of target organs.This project will focus specifically on the evaluation and treatment of renal disease in scleroderma.

Renal involvement in Scleroderma occurs with a variety of different pathologiesÍž hypertensive scleroderma renal crisis (SRC) being the most dramatic manifestation but milder forms of chronic renal disease are frequent and represent an important clinical feature. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT02047708
Study type Interventional
Source University College, London
Contact
Status Completed
Phase Phase 2
Start date October 2014
Completion date October 2017

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