抗体精製用アフィニティ磁気ビーズ比較データ 抗体精製コストの比較 結合能：mouse laG mg/mL gel価格：ビーズ1mL あたりの価格（定価ベース)精製コスト：lgG…
Posted: 2021-10-26 19:00:00
BACKGROUND There are many safety concerns regarding the use of antithymocyte globulin (ATG) in kidney transplant recipients (KTRs) during the ongoing COVID-19 pandemic. Hereby, we present our recent experience with ATG administration both as induction therapy and as an anti-rejection treatment. MATERIAL AND METHODS We retrospectively analyzed all patients transplanted during the first 12 months of the COVID-19 pandemic who were treated with thymoglobulin. The ATG dosing, lymphocyte number and percentage in blood smear, adverse effects (thrombocytopenia and infectious complications), and kidney graft function up to 12 months and patients' outcomes were analyzed and compared to KTRs who received basiliximab induction. RESULTS During pandemic, a total of 31 patients were treated with ATG and 59 received basiliximab. The median cumulative ATG doses were 275 (175-325) mg in the induction subgroup and 263 (200-275) mg in the anti-rejection treatment subgroup. Mild thrombocytopenia was noted in 7 (22.6%) and 13 (29.5%) patients, respectively. There were more infectious complications among patients treated with ATG as compared with the basiliximab subgroup (32.3 vs 10.2%, P<0.01), but there were similar incidence rates of thrombocytopenia. Kidney graft function up to 12 months after transplant was comparable (1.1 [1.0-1.9] vs 1.1 [1.0-1.4] mg/dl, respectively). CONCLUSIONS 1. ATG use in the induction protocol or as the anti-rejection treatment during the COVID-19 pandemic appears to be safe and the risk of adverse events is acceptable. 2. During the COVID-19 pandemic the necessary use of ATG should not be postponed, especially in KTRs with increased immunologic risk.
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