Antithymocyte globulin and cyclosporin in children with acquired aplastic anemia
Jagdish Chandra1, Rahul Naithani, Rakesh Ravi
1Kalawati Saran Childrens Hospital, New Delhi, India. jchandra55@ yahoo.co.in
Insights
Antithymocyte globulin (ATG) and cyclosporin combination therapy shows effectiveness in treating aplastic anemia. This treatment offers a viable option for patients ineligible for bone marrow transplantation.
Area of Science:
- Hematology
- Immunosuppression
- Bone Marrow Failure Syndromes
Background:
- Aplastic anemia is a rare but serious condition characterized by bone marrow failure.
- Treatment options for aplastic anemia include bone marrow transplantation and immunosuppressive therapy.
Purpose of the Study:
- To evaluate the efficacy of a combination therapy using antithymocyte globulin (ATG) and cyclosporin in pediatric patients with aplastic anemia.
- To assess treatment response rates in patients with severe aplastic anemia (SAA) and very severe aplastic anemia (VSAA).
Main Methods:
- A cohort of 23 pediatric patients (11 SAA, 12 VSAA) diagnosed with aplastic anemia received ATG and cyclosporin.
- Patient responses were assessed at 6 months and 1 year post-treatment initiation.
Main Results:
- Overall response rates at 1 year were 45% (2 complete responses, 7 partial responses).
- Response rates were higher in SAA patients (54.5%) compared to VSAA patients (33%).
- 55% of patients survived without achieving a response; one patient developed acute myeloid leukemia (AML).
Conclusions:
- The combination of ATG and cyclosporin is an effective treatment for pediatric aplastic anemia.
- This therapeutic approach is particularly beneficial for patients who are not candidates for bone marrow transplantation.
Objective:
To assess the responses to ATG and cyclosporin combination in patients of aplastic anemia.
Methods:
Twenty three (17M: 6F) patients of aplastic anemia (11 very severe aplastic anemia (VSAA) and 12 severe aplastic anemia (SAA), were administered antithymocyte globulin and cyclosporin.
Results:
The median age of patents was 8 years (range 6-12 years). Three patients died within 2 months of therapy. Twenty children (11 SAA and 9 VSAA) were finally analysed. Six months after the start of treatment, 8/20 (40%) patients responded-2 complete (CR) and 6 partial responses (PR). At the end of 1 year; 2 patients maintained CR and seven patients continued PR (overall responders 45%). The response was better in SAA (54.5%) with 2 CR and 4 PR; than in VSAA (33%) with 3 PR . Eleven (55%) children were alive without response. One patient developed AML 13 months later.
Conclusion:
We conclude that antithymocyte globulin and cyclosporin combination is an effective treatment for aplastic anemia patients who are ineligible for bone marrow transplantation.
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