A Phase 1/2 Study of Linvoseltamab in Patients with Relapsed or Refractory Systemic Light Chain Amyloidosis
试验速览
- 阶段
- 2 期
- 状态
- 招募中
- 发起方
- 入组人数
- 23
- 试验地点
- 6
- 主要终点
- Phase 1: Incidence of dose-limiting toxicity (DLTs)
研究概览
简要总结
-Phase 1: To assess the safety, tolerability and to determine the recommended phase 2 dose regimens (RP2DRs) of linvoseltamab in participants with relapsed or refractory AL amyloidosis. -Phase 2: To evaluate the effect of linvoseltamab on hematologic complete response in participants with relapsed or refractory AL amyloidosis
研究设计
- 分配方式
- Randomized
- 主要目的
- Phase 2
- 盲法
- None
入排标准
- 年龄范围
- 18 years 至 65+ years(18-64 Years, 65+ Years)
- 接受健康志愿者
- 否
入选标准
- •Confirmed diagnosis of AL amyloidosis, as described in the protocol
- •Measurable disease as defined by serum difference between involved and uninvolved free light chains (dFLC) concentration, as described in the protocol
- •Previously treated after at least 1 prior therapy and requiring further treatment as assessed by the Investigator
- •N-terminal pro b-type natriuretic peptide (NT-proBNP) ≤8500 ng/L during screening
- •Adequate hepatic, hematologic, renal, and cardiac function, as described in the protocol
- •Eastern Cooperative Oncology Group (ECOG) performance score ≤2 at screening
- •NOTE: Other protocol defined inclusion criteria apply
排除标准
- •History of other non-AL amyloidosis
- •Greater than 60% plasmacytosis on a bone marrow biopsy and/or aspirate during screening
- •Presence of lytic bone lesion(s) or extramedullary plasmacytoma on imaging during screening
- •Myocardial infarction within the past 6 months prior to the first screening visit
- •Known active infection requiring hospitalization or treatment with IV anti-infectives within 28 days of first administration of study drug
- •NOTE: Other protocol defined exclusion criteria apply
结局指标
主要结局
Phase 1: Incidence of dose-limiting toxicity (DLTs)
Phase 1: Incidence of dose-limiting toxicity (DLTs)
Phase 2: Achievement of hematologic complete response (CR) as determined by the Independent Review Committee (IRC)
Phase 2: Achievement of hematologic complete response (CR) as determined by the Independent Review Committee (IRC)
次要结局
- Achievement of hematologic CR, as determined by the IRC - Phase 1
- Achievement of hematologic very good partial response (VGPR) or better response (CR + VGPR), as determined by the IRC
- Achievement of overall hematologic response (PR or better), as determined by the IRC
- Time to initial hematologic response
- Time to best hematologic response
- Duration of hematologic response (ie, best response, VGPR or better, overall response), as determined by the IRC
- Hematologic progression-free survival (PFS)
- Incidence of death
- Incidence of treatment-emergent adverse events (TEAEs)
- Severity of TEAEs
- Incidence of serious adverse events (SAEs)
- Severity of SAEs
- Incidence of adverse events of special interest (AESIs)
- Severity of AESIs
- Achievement of overall hematologic response (PR or better), as determined by the IRC in full dose regimen 1 vs 2 - Phase 2
- Incidence of TEAEs in full dose regimen 1 vs 2 - Phase 2
- Severity of TEAEs in full dose regimen 1 vs 2 - Phase 2
- Incidence of SAEs in full dose regimen 1 vs 2 - Phase 2
- Severity of SAEs in full dose regimen 1 vs 2 - Phase 2
- Incidence of AESIs in full dose regimen 1 vs 2 - Phase 2
- Severity of AESIs in full dose regimen 1 vs 2 - Phase 2
- Time from treatment initiation to hematologic disease progression as determined by the IRC
- Time from treatment initiation to cardiac deterioration, as determined by the IRC
- Time from treatment initiation to kidney deterioration as determined by the IRC
- Time from treatment initiation to death as determined by the IRC
- Time from initiation of treatment to date of death from any cause
- Achievement of renal response in participants with renal involvement at baseline, as determined by IRC
- Achievement of cardiac response in participants with cardiac involvement at baseline, as determined by IRC
- Time to first renal response in participants with renal involvement at baseline
- Time to first cardiac response in participants with cardiac involvement at baseline
- Linvoseltamab concentration in serum over time
- Incidence of anti-drug antibodies (ADAs) to linvoseltamab over time
- Titers of ADAs to linvoseltamab over time
研究者
Medical Affairs
Scientific
Regeneron Pharmaceuticals Inc.
