Dataset Information

Efficacy and safety of cyclosporine-based regimens for primary immune thrombocytopenia: a systematic review and meta-analysis.

ABSTRACT:

Objective

To conduct a meta-analysis assessing the efficacy and safety of cyclosporine-based combinations for primary immune thrombocytopenia (ITP).

Methods

Randomized controlled clinical trials were collected by systematically searching databases (PubMed®, MEDLINE®, EMBASE, The Cochrane Library, China National Knowledge Infrastructure) from inception to June 2022. All studies included patients with ITP who received cyclosporine-based regimens. We performed comprehensive analyses of the overall response rate (ORR), complete response (CR) rate, partial response (PR) rate, relapse rate, platelet count, and adverse drug reaction (ADR) rate.

Results

Seven studies (n = 418) were ultimately included. According to a fixed-effects model, cyclosporine-based combinations improved the ORR and CR rate and reduced the relapse rate. The ADR rate was not increased in the cyclosporine-based combination group. Cyclosporine-based regimens effectively increased the platelet count. Subgroup analysis illustrated that cyclosporine-based combinations were linked to higher ORRs in both children (odds ratio [OR] = 5.74, 95% confidence interval [CI] = 1.79-18.41) and adults (OR = 5.46, 95% CI = 2.48-12.02) and a higher CR rate in adults (OR = 2.97, 95% CI = 1.56-5.63).

Conclusion

Cyclosporine exhibited efficacy in the treatment of ITP without increasing the risk of ADRs.

SUBMITTER: Li X

PROVIDER: S-EPMC9869211 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature

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Publications

Efficacy and safety of cyclosporine-based regimens for primary immune thrombocytopenia: a systematic review and meta-analysis.

Li Xiaojing X Zhu Wenwei W Bao Jizhang J Li Jiekai J Zhou Yongming Y

The Journal of international medical research 20230101 1

<h4>Objective</h4>To conduct a meta-analysis assessing the efficacy and safety of cyclosporine-based combinations for primary immune thrombocytopenia (ITP).<h4>Methods</h4>Randomized controlled clinical trials were collected by systematically searching databases (PubMed®, MEDLINE®, EMBASE, The Cochrane Library, China National Knowledge Infrastructure) from inception to June 2022. All studies included patients with ITP who received cyclosporine-based regimens. We performed comprehensive analyses ...[more]

PMID: 36650914

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Project description:IntroductionA network meta-analysis (NMA) was performed to assess the efficacy and safety of avatrombopag, relative to eltrombopag, romiplostim, and fostamatinib, for patients with chronic immune thrombocytopenia (ITP) not responding adequately to corticosteroids.MethodsA systematic search of publication and clinical trial databases was conducted to identify relevant randomized controlled trials (RCTs) and observational studies. Data from eligible studies were extracted and analyzed in a Bayesian framework using relative effect sizes vs placebo. Outcomes included durable platelet response; need for rescue therapy; reduction in use of concomitant ITP medication; incidence of any or World Health Organization (WHO) grade 2-4 bleeding events, and any adverse events. Results were reported as odds ratios or incidence rate ratios (IRR) with 95% credible intervals (CrIs).ResultsThe NMA included seven phase 3 RCTs. Compared with placebo, avatrombopag was associated with statistically significant improvements in durable platelet response, reduction in use of concomitant ITP medication, and incidence of any bleeding events. Statistically significant differences vs placebo were also observed for durable platelet response and need for rescue therapy (eltrombopag, romiplostim, and fostamatinib); reduction in use of concomitant ITP medication (eltrombopag and romiplostim); incidence of any bleeding events (fostamatinib); and incidence of WHO grade 2-4 bleeding events (romiplostim and fostamatinib). No statistically significant differences were observed for any adverse events. Avatrombopag was associated with a statistically significant lower incidence of any bleeding events vs eltrombopag (IRR 0.38 [95% CrI 0.19, 0.75]) and romiplostim (IRR 0.38 [95% Crl 0.17, 0.86]); no other between-treatment differences were observed.ConclusionIn this NMA, avatrombopag significantly increased the chance of achieving durable platelet response and reducing the use of concomitant ITP medication vs placebo, and significantly reduced the incidence of any bleeding events compared with placebo, eltrombopag, and romiplostim. The study aims to help guide clinicians managing patients with chronic ITP and insufficient response to previous treatment.

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Project description:Immune thrombocytopenia (ITP) is an autoimmune disorder that induces a decrease in the number of circulating platelets due to spleen destruction and inability of megakaryocytes to restore normal counts. Immunosuppressive therapy with glucocorticoid drugs constitutes the first line of treatment. However, lack of response to these agents is not uncommon, and the management of refractory patients is a matter of controversy. In fact, day-to-day clinical practice shows that, in spite of the current guidelines, splenectomy, which is currently considered a suitable second-choice therapy, is being replaced by treatment with thrombopoietin receptor agonists. These boost platelet production by megakaryocytes. The use of one of these, namely eltrombopag, has been permitted for ITP patients refractory to first-line drugs or splenectomy, for the last 10 years. This review summarizes the experience reported using eltrombopag in ITP, paying attention to efficacy and safety. Results from clinical trials will be discussed, and studies performed in the course of daily clinical practice will also be reviewed, as these are useful to assess the potential of the drug in real-world settings. The management of adverse events and the use of eltrombopag in particular situations will also be covered. The experience reported so far permits us to suggest that eltrombopag efficiently induces recovery of platelet counts. Furthermore, recent papers have demonstrated that a sustained response after discontinuation, initially thought to be problematic, may be possible in a nonnegligible number of cases. The safety profile is satisfactory, although patients presenting with thromboembolism risk factors should be treated with caution until the eltrombopag-associated prothrombotic risk is fully established. In summary, although larger studies are still needed to clarify some issues, eltrombopag may be a useful alternative tool for ITP patients refractory to conventional medical management or splenectomy.

Dataset Information

Efficacy and safety of cyclosporine-based regimens for primary immune thrombocytopenia: a systematic review and meta-analysis.

Objective

Methods

Results

Conclusion

Publications

Efficacy and safety of cyclosporine-based regimens for primary immune thrombocytopenia: a systematic review and meta-analysis.

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