Danazol increases T regulatory cells in patients with aplastic anemia

Harshit Khurana, Pankaj Malhotra, Man Updesh Singh Sachdeva, Neelam Varma, Parveen Bose, Uday Yanamandra, Subhash Varma, Alka Khadwal, Deepesh Lad, Gaurav Prakash
In: Hematology · 2018 · vol. 23(8) , pp. 496–500 · doi:10.1080/10245332.2018.1435045 · PMID:29415633 · W2792759591
article OA: gold CC0 ⤵ 4 in-corpus citations
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⚙ AI-generated summary by claude@2026-06, 2026-06-07 ⓘ

This study found that patients with aplastic anemia have lower T regulatory cells than healthy controls, and Danazol treatment significantly increases these cells in patients.

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Abstract

OBJECTIVES: FoxP3+ T regulatory cells (T-regs) in the pathophysiology of AA and their response to treatment with Danazol alone or in combination with immunosuppressive treatment (IST). METHODS: T-regs' percentages of 25 acquired idiopathic AA patients and 25 healthy controls who completed study protocol were analyzed by performing multicolor flowcytometry on peripheral blood samples. RESULTS: More than one-third (36%) of AA patients in our study received Danazol as monotherapy, whereas less than a third (32%) each received standard doses of IST with equine Anti Thymocyte Globulin (ATG) and Cyclosporine combination, or Cyclosporine and Danazol combination, respectively. Results showed that all AA patients had a significantly lower percentage of T-regs at the time of diagnosis when compared to healthy controls (p < 0.0001), implicating their role in the pathophysiology. On treatment, all 25 patients showed a significant rise in the percentage of T-regs when compared to baseline (p < 0.0001). DISCUSSION: The rise in T-regs' percentage was higher in patients treated with Danazol alone when compared to standard IST (ATG with Cyclosporine), or Cyclosporine with Danazol combinations (p = 0.585). CONCLUSION: We conclude that Danazol also leads to increase in T-regs in acquired idiopathic AA.

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