早期移植后在脏移植接受者中使用rituximab,这些接受者具有先前存在的捐赠者特异性抗体
相关实验视频
Updated: Jan 27, 2026
08:58
Murine Kidney Transplant Technique
Published on: October 20, 2015
17.3K
Junji Yamauchi1, Katalin Fornadi2, Divya Raghavan1
1Department of Internal Medicine, Division of Nephrology & Hypertension, Spencer Fox Eccles School of Medicine at the University of Utah, Salt Lake City, UT, USA.
Renal failure
|January 25, 2026
概括
早期的rituximab (抗CD20抗体) 没有显著改善移植前抗人类白细胞抗原捐赠者特异性抗体 (DSAs) 患者的移植结果,显示出类似的排斥率,DSA复发率和患者存活率.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 免疫学 免疫学 免疫学
- 移植 移植 移植 移植
背景情况:
- 移植前,抗人类白细胞抗原 (HLA) 供体特异性抗体 (DSA) 是移植的主要障碍,增加了排斥和移植失败的风险.
- 抗CD20抗体利图西马布用于抑制DSA的产生,但由于研究结果相互矛盾,其在这种情况下的有效性仍然存在争议.
研究的目的:
- 评估早期移植后在脏移植接受者和移植前抗HLA DSAs中使用rituximab的有效性.
- 为了比较与rituximab治疗和不治疗的患者之间的1年移植结果.
主要方法:
- 这是一项追溯性研究,涉及77名接受脏移植的接受者,接受了移植前的抗HLA DSA.
- 结果的比较,包括感染性并发症,活检证明的排斥,来自供体的无细胞DNA水平,以及Rituximab治疗和未治疗组之间的DSA持久性/复发.
主要成果:
- 传染性并发症和活检证明的排斥率在Rituximab组和无Rituximab组中分别呈现出较高的非显著趋势.
- 之前存在的DSA持久性/复发和新发DSA的发育率在rituximab和非rituximab组之间相似 (分别为44%和46%和31%和25%).
- 里图西马布的使用没有显著影响移植和患者的存活率,排斥率或DSA复发.
结论:
- 早期移植后的rituximab的使用并没有显著改善1年移植结果,对接受移植前抗HLA DSAs的脏接受者来说没有显著的益处.
- 需要进一步的研究来澄清利图西马布在治疗移植前DSA患者中的作用.
- 这项研究强调需要更多的数据来指导临床决策关于在这个患者群体里使用Rituximab.
相关概念视频
01:28Kidney Transplant I: Introduction
386
A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...
386
01:26Kidney Transplant II: Surgical Procedure
379
Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living...
379
01:16Kidney Transplant III: Nursing Management
359
Postoperative Nursing Management for Kidney Transplant PatientsPostoperative nursing management care includes monitoring the surgical site, encouraging early movement, and promoting lung health through breathing exercises. Nurses also administer prescribed medications like H2-blockers, such as famotidine, or proton pump inhibitors, like omeprazole, to help prevent gastrointestinal ulcers and bleeding. Fungal infections in the mouth and bladder can result from immunosuppressive and antibiotic...
359
01:45Kidney Structure
75.1K
The kidneys are two large bean-shaped organs located in the upper abdomen. They filter the blood several times a day to remove toxins and rebalance water and electrolytes of the circulatory system via the renal veins. The kidneys receive blood directly from the heart via the renal arteries. These arteries enter the kidney at the hilum, the concave surface of the bean, where they branch and divide into smaller vessels and capillaries.
75.1K
01:10Antibody Structure
65.4K
Overview
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
Antibodies consist of four polypeptide chains: two identical heavy...
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
Antibodies consist of four polypeptide chains: two identical heavy...
65.4K
01:26Antibody Actions
2.4K
Antibodies, or immunoglobulins, are critical players in the immune system's arsenal against invading pathogens. Produced by B cells and plasma cells, their primary role is to detect and bind to specific antigens, molecules found on the surface of pathogens like bacteria or viruses. Beyond antigen recognition, antibodies perform several vital functions that contribute to immune defense.
Neutralization
Antibodies can bind to pathogens, preventing them from infecting host cells. This process...
Neutralization
Antibodies can bind to pathogens, preventing them from infecting host cells. This process...
2.4K