scholarly journals The Efficacy and Safety of Different Dosages of Rituximab for Adults with Immune Thrombocytopenia: A Systematic Review and Meta-Analysis

2021 ◽  
Vol 2021 ◽  
pp. 1-13
Author(s):  
Yu Dong ◽  
Ming Yue ◽  
Mengjiao Hu

Background. Rituximab has been frequently used as a second-line treatment for patients with immune thrombocytopenia (ITP). The optimal dose and course of rituximab are uncertain. Methods. A comprehensive search for randomized controlled trials reporting the use of low-dose (100 mg) or standard-dose (375 mg/m2) rituximab in ITP treatment was conducted. Meta-analyses were performed on CRR (complete response rate), ORR (overall response rate), PRR (partial response rate), SRR (sustained response rate), infection rate, SB (significant bleeding) rate, and SAE (serious adverse event) rate. Results. A total of 12 studies were included, comprising 869 patients. Compared to the control group, rituximab treatment resulted in an obvious increase in CRR ( P < 0.00001 ), ORR ( P < 0.0001 ), and SRR at month 6 and 12 ( P = 0.0007 , P = 0.0003 ), without increasing the infection rate ( P = 0.12 ) and SAE rate ( P = 0.11 ). No significant differences in CRR (RR 1.61 vs. 1.42, P = 0.45 ), ORR (RR 1.26 vs. 1.49, P = 0.28 ), PRR (RR 1.25 vs. 1.00, P = 0.11 ), SRR at month 12 (RR 2.00 vs. RR 1.64, P = 0.54 ), infection rate (RR 0.85 vs. 1.46, P = 0.36 ), and SB rate (RR 0.14 vs. 1.19, P = 0.17 ) were found in subgroups of low dose and standard dose. Conclusion. Rituximab was effective and safe for adult patients with ITP. A low-dose rituximab regimen might be an effective alternative to the standard-dose regimen in ITP, as it showed similar CRR, ORR, and SRR at month 12 and was relatively safer with a lower cost.

2013 ◽  
Vol 2013 ◽  
pp. 1-9 ◽  
Author(s):  
Jiaming Li ◽  
Zhaoyue Wang ◽  
Lan Dai ◽  
Lijuan Cao ◽  
Jian Su ◽  
...  

We conducted this randomized trial to investigate the efficacy and safety of rapamycin treatment in adults with chronic immune thrombocytopenia (ITP). Eighty-eight patients were separated into the control (cyclosporine A plus prednisone) and experimental (rapamycin plus prednisone) groups. The CD4+CD25+CD127lowregulatory T (Treg) cells level, Foxp3 mRNA expression, and the relevant cytokines levels were measured before and after treatment. The overall response (OR) was similar in both groups (experimental group versus control group: 58% versus 62%,P=0.70). However, sustained response (SR) was more pronounced in the experimental group than in the control group (68% versus 39%,P<0.05). Both groups showed similar incidence of adverse events (7% versus 11%,P=0.51). As expected, the low pretreatment baseline level of Treg cells was seen in all patients (P<0.001); however, the experimental group experienced a significant rise in Treg cell level, and there was a strong correlation between the levels of Treg cells and TGF-beta after the treatment. In addition, the upregulation maintained a stable level during the follow-up phase. Thus, rapamycin plus low dose prednisone could provide a new promising option for therapy of ITP.


2018 ◽  
Vol 46 (7) ◽  
pp. 2513-2524 ◽  
Author(s):  
Rui Xu ◽  
Qian Wang ◽  
Yan Huang ◽  
Ling Wu ◽  
Qi Liu ◽  
...  

Objective This meta-analysis with trial sequential analysis (TSA) was performed to determine whether low-dose corticosteroids (LDCs) can improve survival or shock reversal from septic shock in adults. Methods A literature search was performed using several databases (Medline, Cochrane Library, Embase, and Chinese Biological Medical Database) until 23 October 2017. The systematic review was registered in PROSPERO. Results Nine randomized controlled trials (RCTs) (n = 1182) were included. LDC intervention improved 7-day shock reversal compared with the control group (relative risk, 1.36; TSA-adjusted 95% confidence interval, 1.20–1.54). LDCs had no statistically significant effects on gastrointestinal bleeding or superinfection. LDCs did not reduce 28-day mortality from septic shock (relative risk, 0.96; TSA-adjusted 95% confidence interval, 0.74–1.24). The TSA indicated that RCTs of about 3000 patients would be needed to draw definitive conclusions; similar results were obtained in a subgroup analysis of nonresponders. Conclusions LDCs improve 7-day shock reversal. However, whether LDCs improve 28-day survival from septic shock in adults remains unclear. The results of well-designed larger RCTs are needed.


2020 ◽  
Vol 20 (1) ◽  
Author(s):  
Congling Zhao ◽  
Chunyan Cai ◽  
Qiang Ding ◽  
Hongbin Dai

Abstract Background The effect and safety of atropine on delaying the progression of myopia has been extensively studied, but its optimal dose is still unclear. Therefore, the purpose of this meta-analysis is to systematically evaluate the safety and effectiveness of atropine in controlling the progression of myopia, and to explore the relationship between the dose of atropine and the effectiveness of controlling the progression of myopia. Methods This work was done through the data searched from PubMed, MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials. The Cochrane Handbook was also used to evaluate the quality of the included studies. In addition, a meta-analysis was performed using Revman5.3 software. Results A total of 10 randomized controlled trials (RCTs) were included. Myopia progression was mitigated greater in the atropine treatment group than that in the control group, with MD = − 0.80, 95% CI (− 0.94, − 0.66) during the whole observation period. There was a statistical difference among 0.05, 0.5, and 1.0% atropine (P = 0.004). In addition, less axial elongation was shown, with MD = − 0.26, 95% CI (− 0.33, − 0.18) during the whole observation period. Conclusion The effectiveness of atropine in controlling the progression of myopia was dose related. A 0.05% atropine was likely to be the optimal dose.


2013 ◽  
Vol 90 (6) ◽  
pp. 494-500 ◽  
Author(s):  
David Gómez-Almaguer ◽  
Luz Tarín-Arzaga ◽  
Brizio Moreno-Jaime ◽  
José Carlos Jaime-Pérez ◽  
Adrián Alejandro Ceballos-López ◽  
...  

2020 ◽  
Author(s):  
Congling Zhao ◽  
Chunyan Cai ◽  
Qiang Ding ◽  
Hongbin Dai

Abstract Background: The effect and safety of atropine on delaying the progression of myopia has been extensively studied, but its optimal effect dose is still unclear. Therefore, the purpose of this meta-analysis is to systematically evaluate the safety and effectiveness of atropine in controlling the progression of myopia, and to explore the relationship between the dose of atropine and the effect of controlling the progression of myopia. Methods: This work was done through the data search from PubMed, MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials. The Cochrane Handbook was also used to evaluate the quality of these included studies. In addition, a meta-analysis was performed using Revman5.3 software. Results: A total of 10 randomized controlled trials (RCTs) were included. Myopia progression was mitigated greater in the atropine treatment group than the control group, with MD = -0.80, 95% CI (-0.94, -0.66) during the whole observation period. There was a statistical difference between 0.05%, 0.5%, and 1.0% atropine (P = 0.004). In addition, less axial elongation was showed, with MD = -0.26, 95% CI (-0.33, -0.18) during the whole observation period. Conclusion: The effect of atropine in controlling the progression of myopia was dose related. A 0.05% atropine was likely to be the optimal dose.


2021 ◽  
Vol 12 ◽  
pp. 204062232110486
Author(s):  
Shuo Zhang ◽  
Nan Jiang ◽  
Li Wang ◽  
Li Zhang ◽  
Hua Chen ◽  
...  

Background: Severe and refractory immune thrombocytopenia (ITP) affects the life expectancy of patients with systemic lupus erythematosus (SLE) and poses a challenge in their clinical management. This intervention study employed a small sample size to evaluate the efficacy and safety of a modified low-dose rituximab (RTX) regimen in patients with SLE-associated refractory ITP. Methods: Eight patients with severe SLE-associated refractory ITP were enrolled in this intervention study. They received an infusion of intravenous RTX (200 mg) on days 1 and 15. The dose of corticosteroids (prescribed previously) was gradually tapered, and immunosuppressants were withdrawn. Patients were followed up at 1, 3, 6, and 12 months; platelet counts, other laboratory indicators, and side effects were recorded. We used intention-to-treat analysis to calculate the response rate. Results: Seven participants (87.5%) completed the study. At 1 month, two patients (25.0%) achieved partial response (PR); the PR rate increased to 87.5% at 3 months. At 6 months, three patients (37.5%) achieved complete response (CR). However, the CR rate dropped to 25.0% at 12 months. The overall responses (ORs) were 25.0% (2/8), 87.5% (7/8), 75.0%(6/8), and 75.0%(6/8) at 1, 3, 6, and 12 months, respectively. Two patients developed a mild infusion reaction and one discontinued the study due to herpes zoster virus infection and an allergic reaction 2 weeks after the first dose of RTX. Conclusion: Modified low-dose RTX therapy (two infusions of 200 mg every 2 weeks) could be a promising new option for patients with SLE-associated refractory ITP with a satisfactory response rate.


2018 ◽  
Vol 140 (1) ◽  
pp. 60-66 ◽  
Author(s):  
Yang Chen ◽  
Yanyan Xie ◽  
Min Ruan ◽  
Jinning Shi

Objective: The aim of this work was to investigate the influence of T lymphocyte subsets and platelet-specific autoantibodies on immune thrombocytopenia (ITP) with dexamethasone therapy. Methods: The samples were obtained from patients before therapy. T lymphocyte subsets were measured by flow cytometry, and platelet-specific autoantibodies were evaluated by modified monoclonal antibody immobilization of platelet antigen assay. Results: A total of 50 ITP patients were involved in the study. Twenty-three were anti-GPIbα antibody positive and were treated with dexamethasone, with a response rate of 47.8%. Twenty-seven cases were anti-GPIbα antibody negative, with a response rate of 77.8%. A significant difference was detected (p < 0.05). The level of CD4+ T lymphocytes in ITP patients was lower compared with the control group (p < 0.05). The level of CD8+ T lymphocytes was higher than that in the normal controls (p < 0.05). Additionally, the patients with a higher level of CD8+ T lymphocytes and lower level of CD4+ T lymphocytes were more likely to respond to dexamethasone treatment. Moreover, we observed that ITP patients associated with anti-GPIIb/IIIa antibodies had lower levels of CD4+ T lymphocytes and higher CD8+ T lymphocyte levels. Conclusions: There was insensitivity to dexamethasone treatment in ITP patients who were anti-GPIbα antibody positive. The detection of T lymphocyte subsets is useful in ITP patients for forecasting the outcome of dexamethasone treatment. There were some relationships between the different antibodies and the levels of T lymphocyte subsets.


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