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An Open-Label Phase lB/II Study of Glofitamab and Atezolizumab or Polatuzumab Vedotin in Adult Patients With Relapsed/Refractory B-Cell Non-Hodgkin's Lymphoma

NCT03533283 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE1/PHASE2 · Type: INTERVENTIONAL · Enrollment: 211

Last updated 2026-04-06

No results posted yet for this study

Summary

This is an open-label, single arm, multicenter, dose finding, Phase Ib study in order to assess the maximum tolerated dose (MTD) and/or recommended Phase II dose (RP2D) for this combination treatment and to evaluate the general safety, tolerability, pharmacokinetic (PK), pharmacodynamic, and preliminary anti-tumor activity of this combination treatment in adult patients.

This study includes an additional open-label imaging feasibility sub-study using a tracer in adult participants with relpased/refractory B-cell non-Hodgkin's lymphoma to image CD8+T-cells at baseline and after treatment with glofitamab, including pre-treatment with obinutuzumab.

Conditions

  • Non-Hodgkins Lymphoma

Interventions

DRUG

Glofitamab

Glofitamab will be administered through IV infusion every 3 weeks (Q3W) beginning Cycle 1, Day 1, for up to 17 cycles (Cycle = 21 days). Step-up dosing, in which an initial lower dose will be followed by a higher dose 1 week later, will be considered for the initial treatment phase and for Cycle 9 of the re-treatment phase.

DRUG

Atezolizumab

Atezolizumab will be administered in combination with Glofitamab through IV infusion Q3W from Cycle 2, Day 1, for up to 16 cycles (Cycle = 21 days).

DRUG

Obinutuzumab

Obinutuzumab will be administered once, through IV infusion, at a fixed dose 7 days before the first dose of Glofitamab.

DRUG

Tocilizumab

Tocilizumab will be administered as necessary to treat cytokine release syndrome (CRS).

DRUG

Polatuzumab Vedotin

Polatuzumab vedotin will be administered in combination with Glofitamab (on different days) Q3W from Cycle 1, Day 2, for up to 12 cycles (Cycle = 21 days).

DRUG

89Zr-Df-IAB22M2C

Participants will receive 89Zr-Df-IAB22M2C (Cycle 1 only) prior to obinutuzumab pre-treatment and again on Day 10 after dosing with glofitamab, followed by PET/CT.

Sponsors & Collaborators

Principal Investigators

  • Clinical Trials · Hoffmann-La Roche

Study Design

Allocation
NA
Purpose
TREATMENT
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2018-05-08
Primary Completion
2026-10-16
Completion
2026-10-16
FDA Drug
Yes

Countries

  • Belgium
  • Denmark
  • Israel
  • Italy
  • Spain
  • United Kingdom

Study Locations

More Related Trials

Entities

Drugs
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03533283 on ClinicalTrials.gov