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Autologous Stem Cell Systemic Sclerosis Immune Suppression Trial — DIScl2011  

Scleroderma, Systemic Clinical Trial

Official title:
Randomized Study of Different Non-myeloablative Conditioning Regimens With Hematopoietic Stem Cell Support in Patients With Scleroderma (Autologous Systemic Sclerosis Immune Suppression Trial - II ASSIST-IIb)

Clinical Trial Summary

ASSIST I was the first randomized trial in patients with scleroderma to not just slow disease progression but rather actually reverse it. It is the first treatment to have ever demonstrated reversal of lung disease in scleroderma with improvement in FVC, total lung capacity (TLC), high-resolution computed tomography (HRCT), and QOL. We now, therefore, purpose to compare the ASSIST I conditioning regimen of cyclophosphamide and rATG to a less intense regimen of rATG/cyclophosphamide/Fludarabine. In the new regimen the cyclophosphamide dose is decreased to 120mg/kg (60mg/kg/day x 2) compared to 200mg/kg (50mg/kg/day) in the standard regimen. The lower dose of cyclophosphamide will be less cardiotoxic. This study will determine if the less cardiotoxic regimen will be safer than the standard regimen and as effective as the standard regimen.

Clinical Trial Description

Mobilization. For patients in both arms undergoing hematopoietic stem cell transplantation (HSCT), peripheral blood stem cells (PBSC) will be mobilized with cyclophosphamide (2 g/m2) followed by 5-10 mcg/kg subcutaneous filgrastrim daily from day 5 until completion of apheresis. Mobilized hematopoietic stem cells (HSC) will be collected by apheresis on day 10 and cryopreserved without selection or manipulation. There will be an interval of at least 17 days between mobilization of PBSC and start of conditioning regimen. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01445821
Study type Interventional
Source Northwestern University
Contact
Status Terminated
Phase Phase 3
Start date September 15, 2011
Completion date October 10, 2019
View Details
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