A Study of Obinutuzumab to Evaluate Safety and Tolerability in Hypersensitized Adult Participants With End Stage Renal Disease Awaiting Transplantation
A Phase Ib, Single- and Multiple-Dose, Open-Label Study of The Safety, Pharmacokinetics and Pharmacodynamics of Obinutuzumab in Adults With End-Stage Renal Disease and Hypersensitization Awaiting Renal Transplantation
This is a Phase Ib, open-label study of single and repeat doses of obinutuzumab administered as intravenous (IV) infusion in adults with end stage renal disease (ESRD). Participants will be enrolled into two cohorts receiving either one (Cohort 1) or two or more (Cohort 2) obinutuzumab infusions. Both cohorts will receive standard pretreatments to reduce the risk of infusion-related reactions (IRRs).
Desensitization Period: In Cohort 1, participants will receive single dose obinutuzumab IV infusion on Day 1. Following review of Cohort 1 aggregated safety data up to 4 weeks post dose for the last participant of Cohort 1, Cohort 2 will be allowed to proceed. In Cohort 2, participants will receive obinutuzumab IV infusion on Days 1 and 15. Transplantation Period: Participants who qualify for transplantation and receive a compatible kidney offer after inclusion in Cohort 1 or Cohort 2 will receive two additional infusions (one at the time of transplantation and second at Week 24 post-transplantation) of obinutuzumab. Assessment of the safety and tolerability of the obinutuzumab regimen will be conducted at Week 24 of the desensitization phase and at Week 28 post-transplantation. All participants will be monitored for a minimum of 12 months following the last obinutuzumab infusion.
研究概览
研究类型
注册 (实际的)
阶段
- 阶段1
联系人和位置
学习地点
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California
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Los Angeles、California、美国、90048
- Cedars-Sinai Medical Center
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San Francisco、California、美国、94115
- Ucsf
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Stanford、California、美国、94305
- Stanford Health Care
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Maryland
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Baltimore、Maryland、美国、21287
- Johns Hopkins Hospital
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Minnesota
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Rochester、Minnesota、美国、55905
- Mayo Clinic
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Rochester、Minnesota、美国、55905
- Mayo Clinic - Minnesota
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Ohio
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Cincinnati、Ohio、美国、45219
- The Christ Hospital
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Cincinnati、Ohio、美国、45219
- University of Cincinnati College of Medicine
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Wisconsin
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Madison、Wisconsin、美国、53792
- University of Wisconsin
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参与标准
资格标准
适合学习的年龄
接受健康志愿者
有资格学习的性别
描述
Inclusion Criteria:
- ESRD with a history of sensitizing events
- United network for organ sharing (UNOS) listed for a deceased donor kidney transplantation
- Estimated high likelihood of receiving an offer in the coming 12-18 months from screening as evidenced by: present on at least one match run for a deceased donor kidney during the past year, or calculated panel reactive antibody (cPRA) greater than or equal to (≥) 98 percent (based on revisions to allocation policy introduced in 2014)
- Female participants of childbearing potential: agreement to remain abstinent or use two adequate methods of contraception during the treatment period and for at least 18 months after the last dose of study drug
- Male participants: agreement to remain abstinent or use contraceptive measures and agreement to refrain from donating sperm during the treatment period and for at least 12 months after the last dose of study drug
Exclusion Criteria:
- Incomplete recovery from recent major surgery or less than (<) 12 weeks since major surgery prior to baseline and participants planned surgery within 24 weeks of baseline except for kidney transplantation
- Pregnant or lactating women
- Positive serum human chorionic gonadotropin (hCG) measured at screening unless considered not clinically significant based on best medical judgement and if reassessment after ≥48 hours shows a less than a 2-fold rise from previous level
- Primary or secondary immunodeficiency disease
- Seropositivity for hepatitis B surface antigen (HBsAg) or hepatitis B core antibody (HBcAb) or seropositivity for Hepatitis C
- History of active or latent tuberculosis (TB) or suspicion of active TB
- Known active infection of any kind or any major episode of infection requiring hospitalization or treatment with IV anti-infective agents within 4 weeks of baseline or completion of oral anti-infective agents within 2 weeks prior to baseline
- Currently active alcohol or drug abuse or history of alcohol or drug abuse
- Participants with a history of prior kidney transplantation(s) after 6 participants with prior kidney transplants will be enrolled in the study
- Participants on peritoneal dialysis with a history of peritoneal infection at any time during the 12 weeks from prior to screening
- Participants on peritoneal dialysis with a positive culture or high cell count numbers on peritoneal fluid indicative of confirmed or suspected infection at the time of screening.
- Participants for synchronous organ transplant
- Recipients of any live attenuated vaccine(s) within 1 month of the screening visit
- Abnormal screening laboratory results
- Participants with a history of major cardiovascular or pulmonary disease
- Use of investigational agents within 12 weeks or five half-lives of randomization
- Use of an anti-CD20 therapy within the past 12 months
- Known contraindications to obinutuzumab
- History of severe allergic or anaphylactic reactions to monoclonal antibodies or components of obinutuzumab infusion
学习计划
研究是如何设计的？
设计细节
- 主要用途：治疗
- 分配：非随机化
- 介入模型：并行分配
- 屏蔽：无（打开标签）
武器和干预
参与者组/臂 |
干预/治疗 |
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实验性的：Cohort 1: Single Dose Obinutuzumab
Desensitization period: Participants will receive obinutuzumab on Day 1 followed by high dose intravenous immunoglobulin (IVIG) on Days 22 and 43 of treatment period. Transplantation period: Participants who are found to qualify for transplantation and receive a compatible kidney offer after inclusion will receive two additional infusions of obinutuzumab (one at the time of transplantation [within the first 48 hours of the transplantation] and second at Week 24 post-transplantation). |
Obinutuzumab 1000 milligrams (mg) IV infusion.
其他名称：
High dose (2 grams per kilogram [g/kg]) IVIG (maximum 140 grams).
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实验性的：Cohort 2: Repeated Dose Obinutuzumab
Desensitization period: Participants will receive obinutuzumab on Days 1 and 15 followed by high dose IVIG on Days 22 and 43. An additional dose of obinutuzumab may be administered on Day 169 at investigator's discretion. Transplantation period: Participants who are found to qualify for transplantation and receive a compatible kidney offer after inclusion will receive two additional infusions of obinutuzumab (one at the time of transplantation [within the first 48 hours of the transplantation] and second at Week 24 post-transplantation). |
Obinutuzumab 1000 milligrams (mg) IV infusion.
其他名称：
High dose (2 grams per kilogram [g/kg]) IVIG (maximum 140 grams).
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研究衡量的是什么？
主要结果指标
结果测量 |
大体时间 |
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Percentage of Participants with Adverse Events
大体时间：Week 0 up to Week 24 of the desensitization phase
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Week 0 up to Week 24 of the desensitization phase
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次要结果测量
结果测量 |
措施说明 |
大体时间 |
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Maximum Serum Concentration (Cmax) of Obinutuzumab During the Entire Study
大体时间：Baseline up to last follow up (up to 76 weeks post-transplantation) (detailed timeframe is given in outcome measure description)
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Detailed timeframe: Cohort 1: Pre-dose (0 hour [hr]); within 1 hr of end of infusion; at 24 hr post-start of infusion at Day 1; Weeks 3 and 6 (immediately prior to IVIG administration); at Weeks 1, 2, 12, 24, 36 and 52; early termination and long-term follow up visit (up to Week 76). Cohort 2: Pre-dose (0 hr), within 1 hr of end of infusion, at 24 hr post-start of infusion at Week 0 and Week 2; immediately prior to IVIG administration at Week 3 and 6; Weeks 24 (pre-dose [0 hr] and within 1 hr of end of infusion if optional third infusion is provided); additionally at Weeks 1, 12, 36; and 52; at early termination and long-term follow-up visit (up to Week 76). Transplantation Period (Cohorts 1 and 2) (for participants undergoing transplantation): Pre-dose (0-30 minutes) and within 1 hr of end of infusion for each obinutuzumab dose at Weeks 0 and 24), at long-term follow-up visit (Week 76). Duration of infusion: approximately 4.5 hr for 1st infusion, and 3.5 hr for subsequent infusions. |
Baseline up to last follow up (up to 76 weeks post-transplantation) (detailed timeframe is given in outcome measure description)
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Cmax of Obinutuzumab After the First Course of Obinutuzumab (Cmax1)
大体时间：Baseline up to Week 2 (detailed timeframe is given in outcome measure description)
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Cohort 1: Pre-dose (0 hr); within 1 hr of the end of infusion; at 24 hr post-start of infusion at Day 1; at Weeks 1, 2 Cohort 2: Pre-dose (0 hr), within 1 hour of the end of infusion, at 24 hours post-start of infusion at Week 0; Pre-dose (0 hr) at Week 2 Duration of infusion: approximately 4.5 hr.
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Baseline up to Week 2 (detailed timeframe is given in outcome measure description)
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Cmax of Obinutuzumab After the Second Course of Obinutuzumab (Cmax2)
大体时间：Cohort 2: Pre-dose (0 hr), within 1 hour of the end of infusion, at 24 hours post-start of infusion at Week 2 Duration of infusion: approximately 3.5 hr.
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Cohort 2: Pre-dose (0 hr), within 1 hour of the end of infusion, at 24 hours post-start of infusion at Week 2 Duration of infusion: approximately 3.5 hr.
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Area Under the Concentration Time Curve (AUC) of Obinutuzumab
大体时间：Baseline up to last follow up (up to 76 weeks post-transplantation) (detailed timeframe is given in outcome measure description)
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Detailed timeframe: Cohort 1: Pre-dose (0 hr); within 1 hr of end of infusion; at 24 hr post-start of infusion at Day 1; Weeks 3 and 6 (immediately prior to IVIG administration); at Weeks 1, 2, 12, 24, 36 and 52; early termination and long-term follow up visit (up to Week 76). Cohort 2: Pre-dose (0 hr), within 1 hr of end of infusion, at 24 hr post-start of infusion at Week 0 and Week 2; immediately prior to IVIG administration at Week 3 and 6; Weeks 24 (pre-dose [0 hr] and within 1 hr of end of infusion if optional third infusion is provided); additionally at Weeks 1, 12, 36; and 52; at early termination and long-term follow-up visit (up to Week 76). Transplantation Period (Cohorts 1 and 2) (for participants undergoing transplantation): Pre-dose (0-30 minutes) and within 1 hr of end of infusion for each obinutuzumab dose at Weeks 0 and 24), at long-term follow-up visit (Week 76). Duration of infusion: approximately 4.5 hr for 1st infusion, and 3.5 hr for subsequent infusions. |
Baseline up to last follow up (up to 76 weeks post-transplantation) (detailed timeframe is given in outcome measure description)
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Systemic Clearance (CL) of Obinutuzumab
大体时间：Baseline up to last follow up (up to 76 weeks post-transplantation) (detailed timeframe is given in outcome measure description)
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Detailed timeframe: Cohort 1: Pre-dose (0 hr); within 1 hr of end of infusion; at 24 hr post-start of infusion at Day 1; Weeks 3 and 6 (immediately prior to IVIG administration); at Weeks 1, 2, 12, 24, 36 and 52; early termination and long-term follow up visit (up to Week 76). Cohort 2: Pre-dose (0 hr), within 1 hr of end of infusion, at 24 hr post-start of infusion at Week 0 and Week 2; immediately prior to IVIG administration at Week 3 and 6; Weeks 24 (pre-dose [0 hr] and within 1 hr of end of infusion if optional third infusion is provided); additionally at Weeks 1, 12, 36; and 52; at early termination and long-term follow-up visit (up to Week 76). Transplantation Period (Cohorts 1 and 2) (for participants undergoing transplantation): Pre-dose (0-30 minutes) and within 1 hr of end of infusion for each obinutuzumab dose at Weeks 0 and 24), at long-term follow-up visit (Week 76). Duration of infusion: approximately 4.5 hr for 1st infusion, and 3.5 hr for subsequent infusions. |
Baseline up to last follow up (up to 76 weeks post-transplantation) (detailed timeframe is given in outcome measure description)
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Volume of Distribution at Steady State (Vss) of Obinutuzumab
大体时间：Baseline up to last follow up (up to 76 weeks post-transplantation) (detailed timeframe is given in outcome measure description)
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Detailed timeframe: Cohort 1: Pre-dose (0 hr); within 1 hr of end of infusion; at 24 hr post-start of infusion at Day 1; Weeks 3 and 6 (immediately prior to IVIG administration); at Weeks 1, 2, 12, 24, 36 and 52; early termination and long-term follow up visit (up to Week 76). Cohort 2: Pre-dose (0 hr), within 1 hr of end of infusion, at 24 hr post-start of infusion at Week 0 and Week 2; immediately prior to IVIG administration at Week 3 and 6; Weeks 24 (pre-dose [0 hr] and within 1 hr of end of infusion if optional third infusion is provided); additionally at Weeks 1, 12, 36; and 52; at early termination and long-term follow-up visit (up to Week 76). Transplantation Period (Cohorts 1 and 2) (for participants undergoing transplantation): Pre-dose (0-30 minutes) and within 1 hr of end of infusion for each obinutuzumab dose at Weeks 0 and 24), at long-term follow-up visit (Week 76). Duration of infusion: approximately 4.5 hr for 1st infusion, and 3.5 hr for subsequent infusions. |
Baseline up to last follow up (up to 76 weeks post-transplantation) (detailed timeframe is given in outcome measure description)
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Half-life (t1/2) of Obinutuzumab
大体时间：Baseline up to last follow up (up to 76 weeks post-transplantation) (detailed timeframe is given in outcome measure description)
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Detailed timeframe: Cohort 1: Pre-dose (0 hr); within 1 hr of end of infusion; at 24 hr post-start of infusion at Day 1; Weeks 3 and 6 (immediately prior to IVIG administration); at Weeks 1, 2, 12, 24, 36 and 52; early termination and long-term follow up visit (up to Week 76). Cohort 2: Pre-dose (0 hr), within 1 hr of end of infusion, at 24 hr post-start of infusion at Week 0 and Week 2; immediately prior to IVIG administration at Week 3 and 6; Weeks 24 (pre-dose [0 hr] and within 1 hr of end of infusion if optional third infusion is provided); additionally at Weeks 1, 12, 36; and 52; at early termination and long-term follow-up visit (up to Week 76). Transplantation Period (Cohorts 1 and 2) (for participants undergoing transplantation): Pre-dose (0-30 minutes) and within 1 hr of end of infusion for each obinutuzumab dose at Weeks 0 and 24), at long-term follow-up visit (Week 76). Duration of infusion: approximately 4.5 hr for 1st infusion, and 3.5 hr for subsequent infusions. |
Baseline up to last follow up (up to 76 weeks post-transplantation) (detailed timeframe is given in outcome measure description)
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合作者和调查者
出版物和有用的链接
研究记录日期
研究主要日期
学习开始 (实际的)
初级完成 (实际的)
研究完成 (实际的)
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (估计)
研究记录更新
最后更新发布 (实际的)
上次提交的符合 QC 标准的更新
最后验证
更多信息
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