A Dose Escalation Study of RO7082859, Administered After a Fixed, Single Dose of Obinutuzumab in Participants With Relapsed/Refractory B-Cell Non-Hodgkin's Lymphoma

Official Title

A Multicentre, Open-Label, Phase I Study to Evaluate the Safety, Tolerability and Pharmacokinetics of Escalating Doses of RO7082859, Administered After a Fixed, Single Dose of Obinutuzumab (Gazyva®/Gazyvaro™) in Patients With Relapsed/Refractory B-Cell Non-Hodgkin's Lymphoma

Summary:

This is a Phase I, multicentre, open-label, dose-escalation study designed to evaluate the safety, tolerability and pharmacokinetics (PK) of a novel T-Cell bispecific (TCB), RO7082859, administered by intravenous (IV) infusion, following the pretreatment administration of a one-time, fixed dose of obinutuzumab. The study is divided in 3 parts: dose escalation (Parts I and II) and dose expansion (Part III). Single-participant dose-escalation cohorts will be used in Part I, followed by conversion to multiple participant dose-escalation cohorts (Part II), in order to define a tentative maximum tolerated dose (MTD) or optimal biological dose (OBD). The expansion cohorts (Part III) will be initiated when the tentative MTD/OBD is defined, to further evaluate the safety, PK and therapeutic activity of RO7082859.

Trial Description

Primary Outcome:

  • Part I and II: Percentage of Participants With Dose Limiting Toxicities (DLTs)
  • Part I, II and III: Percentage of Participants With Adverse Events (AEs)
  • Part II: MTD or OBD of RO7082859
  • Part II: Recommended Phase II Dose (RP2D) of RO7082859
  • Part I, II and III: Area Under the Serum Concentration Versus Time Curve (AUC) of RO7082859
  • Part I, II and III: Maximum Serum Concentration (Cmax) of RO7082859
  • Part I, II and III: Minimum Serum Concentration (Cmin) of RO7082859
  • Part I, II and III: Clearance (CL) of RO7082859
  • Part I, II and III: Volume of Distribution at Steady-State (Vss) of RO7082859
  • Part I, II and III: Half-Life (t1/2) of RO7082859
Secondary Outcome:
  • Part I, II and III: Cmax of Obinutuzumab
  • Part I, II and III: Cmin of Obinutuzumab
  • Part I, II and III: Anti-Drug Antibodies (ADA) to RO7082859
  • Part I, II and III: Percentage of Participants With Overall Response (Partial Response [PR] or Complete Response [CR]) as Determined by the Modified Lugano Classification
  • Part I, II and III: Percentage of Participants With Stable disease (SD) as Determined by the Modified Lugano Classification
  • Part I, II and III: Percentage of Participants With PR, CR or SD (Disease Control Rate) as Determined by the Modified Lugano Classification
  • Part I, II and III: Duration of Response as Determined by the Modified Lugano Classification
  • Part I, II and III: Progression-Free Survival (PFS) as Determined by the Modified Lugano Classification

View this trial on ClinicalTrials.gov

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Resources

Canadian Cancer Society

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