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Updated: Jul 2, 2026

Generation of Multivirus-specific T Cells to Prevent/treat Viral Infections after Allogeneic Hematopoietic Stem Cell Transplant
Published on: May 27, 2011
Combination of CsA, MTX and low-dose, short-course mycophenolate mofetil for GVHD prophylaxis
Y Lai1, J Ma, P Schwarzenberger
1Department of Hematology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China. laiyongrong@hotmail.com
Abstract:
In an effort to reduce the incidence and severity of acute GVHD (aGVHD), we have developed a new prophylaxis regimen combining cyclosporine and MTX with a short 30-day course of low-dose (500 mg per day) mycophenolate mofetil. This regimen was studied prospectively 100 patients undergoing HLA-matched and 1-antigen-mismatched allogeneic peripheral blood SCT from related donors. The cumulative incidence of aGVHD was 16% (grades II-IV (9.5%) and grades III-IV (1%)). The cumulative incidence of chronic GVHD (cGVHD) was 53% with 28% extensive cGVHD. The cumulative incidence of transplant-related mortality at 100 days and 3 years were 6 and 13%. The estimated probabilities of disease-free survival at 3 years in standard- and high-risk patients were 77 and 30%, respectively (P<0.0001). The estimated probabilities of overall survival at 3 years in standard- and high-risk patients were 77 and 37%, respectively (P<0.0001). These data show a substantial decrease in the risk of developing aGVHD without an increase in relapse or any adverse impact on survival in standard-risk patients.
Insights
A new prophylaxis regimen combining cyclosporine, MTX, and mycophenolate mofetil significantly reduced acute graft-versus-host disease (aGVHD) incidence in stem cell transplant patients. This approach improved survival outcomes without increasing relapse rates.
Area of Science:
- Hematology
- Immunology
- Oncology
Background:
- Acute graft-versus-host disease (aGVHD) is a major complication after allogeneic stem cell transplantation.
- Current prophylaxis regimens have limitations in fully preventing or mitigating aGVHD.
Purpose of the Study:
- To evaluate a novel prophylaxis regimen for reducing aGVHD incidence and severity.
- To assess the impact of this regimen on chronic GVHD (cGVHD), transplant-related mortality, and survival outcomes.
Main Methods:
- Prospective study of 100 patients undergoing HLA-matched or 1-antigen-mismatched allogeneic peripheral blood stem cell transplantation (SCT).
- Regimen included cyclosporine, methotrexate (MTX), and a 30-day course of low-dose mycophenolate mofetil (500 mg/day).
Main Results:
- The cumulative incidence of aGVHD (grades II-IV) was 16% (grades III-IV: 1%).
- Cumulative incidence of cGVHD was 53% (extensive cGVHD: 28%).
- Three-year disease-free survival was 77% in standard-risk and 30% in high-risk patients; overall survival was 77% and 37%, respectively.
Conclusions:
- The novel regimen substantially decreased aGVHD risk without increasing relapse rates.
- This prophylaxis strategy demonstrated a favorable impact on survival, particularly in standard-risk patients.
- The combination therapy offers a promising approach for improving outcomes in allogeneic SCT.
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