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Glofitamab

Phase 2

Chronic Lymphocytic Leukemia | Small molecule | Oncology |Eli Lilly and Company|Last Updated: Jan 7, 2026

Target and mechanism

Molecular targetMS4A1, CD3E, CD3G, CD3D
Target classBinding Agent
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

ACTIVE_CONTROLLEDDMC
Total Trials1
Total Enrollment70

FDA Designations

No designations recorded

Clinical trial landscape

Glofitamab · 1 trial · 2 indications

Phase 2 1
NCT06043674Phase 2 Study of Glofitamab Monotherapy & With Polatuzumab Vedotin, Pirtobrutinib, or Atezolizumab in Richter's TransformationChronic Lymphocytic Leukemia
RECRUITING70 Analytics
PHASE2RECRUITING
Phase 2 Study of Glofitamab Monotherapy & With Polatuzumab Vedotin, Pirtobrutinib, or Atezolizumab in Richter's Transformation
Chronic Lymphocytic LeukemiaUnlock trial analytics

Study Endpoints

Primary Endpoints

Best Complete Response (CR) Rate
Disease evaluation will be performed at 12, 24 and 36 weeks

Best Complete Response (CR) rate is defined as the proportion of participants achieving CR at any of the 3 timepoints (after 4, 8 and 12 cycles). CR is defined per Lugano 2014 criteria.

Secondary Endpoints

Best Overall Response Rate (ORR)
Disease evaluation will be performed at 12, 24 and 36 weeks
Best Partial Response (PR) Rate
Disease evaluation will be performed at 12, 24 and 36 weeks
Overall Response Rate at 36 weeks
36 weeks
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Monotherapy Cohort: Obinutuzumab and GlofitamabACTIVE_COMPARATORStudy procedures will be conducted as follows: * Baseline visit with screening procedures, including bone marrow biopsy and Positron Emission Tomography (PET) or Computed Topography (CT) scans. * PET/CT scans after 4, 8, and 12 cycles of therapy and at 6 and 15 months after end-of-treatment. * Cycle 1: * Day 1, 2, and 7 of 21- day Cycle: Predetermined dose of Obinutuzumab 1x daily. * Day 8 and 15 of 21- day Cycle: Predetermined dose of Glofitamab 1x daily. Hospitalization will be required for initial dose and post-dose observation. * Cycle 2 - 12 --Day 1 of 21-day Cycle: Predetermined dose of Glofitamab 1x daily. Hospitalization will be required for second dose and post-dose observation * End of treatment visit. * Follow up visits: for months 10 - 24, visits will be every 3 months. For months 25 - 60 visits will be every 6 months. * After completion of a 10-patient safety lead-in cohort, enrollment will open to the other two cohorts.
Combination A Group: Obinutuzumab, Glofitamab, and Polatuzumab VedotinEXPERIMENTALStudy procedures will be conducted as follows: * Baseline visit with screening procedures, including bone marrow biopsy and PET/CT scans. * PET/CT scans after 4, 8, and 12 cycles of therapy and at 6 and 15 months after end-of-treatment. * Cycle 1: * Day 1, 2, and 7 of 21- day Cycle: Predetermined dose of Obinutuzumab 1x daily. * Day 8 and 15 of 21- day Cycle: Predetermined dose of Glofitamab 1x daily. Hospitalization will be required for initial dose and post-dose observation. * Cycle 2 - 7: \- Day 1 of 21-day Cycle: Predetermined dose of Glofitamab 1x daily. Predetermined dose of Polatuzumab Vedotin 1x daily. * Cycle 8 - 12 \- Day 1 of 21-day Cycle: Predetermined dose of Glofitamab 1x daily. * End of treatment visit. * Follow up visits: for months 10 - 24, visits will be every 3 months. For months 25 - 60 visits will be every 6 months.
Combination B Group: Obinutuzumab, Glofitamab, and PirtobrutinibEXPERIMENTALStudy procedures will be conducted as follows: * Baseline visit with screening procedures, including bone marrow biopsy and PET/CT scans. * PET/CT scans after 4, 8, and 12 cycles of therapy and at 6 and 15 months after end-of-treatment. * Cycle 1: * Day 1, 2, and 7 of 21- day Cycle: Predetermined dose of Obinutuzumab 1x daily. * Day 8 and 15 of 21- day Cycle: Predetermined dose of Glofitamab 1x daily. Hospitalization will be required for initial dose and post-dose observation. * Cycle 2 - 12 \- Day 1 of 21-day Cycle: Predetermined dose of Glofitamab 1x daily. Predetermined dose of Pirtobrutinib 1x daily. Days 2-21 of each cycle: Pirtobrutinib will be taken once daily. * End of treatment visit. * Follow up visits: for months 10 - 24, visits will be every 3 months. For months 25 - 60 visits will be every 6 months.
Combination C Group: Obinutuzumab, Glofitamab, and AtezolizumabEXPERIMENTALStudy procedures will be conducted as follows: * Baseline visit with screening procedures, including bone marrow biopsy and PET/CT scans. * PET/CT scans after 4, 8, and 12 cycles of therapy and at 6 and 15 months after end-of-treatment. * Cycle 1: * Day 1, 2, and 7 of 21- day Cycle: Predetermined dose of Obinutuzumab 1x daily. * Day 8 and 15 of 21- day Cycle: Predetermined dose of Glofitamab 1x daily. Hospitalization will be required for initial dose and post-dose observation. * Cycle 2 - 12 \- Day 1 of 21-day Cycle: Predetermined dose of Glofitamab 1x daily. Predetermined dose of Atezolizumab 1x daily. * End of treatment visit. * Follow up visits: for months 10 - 24, visits will be every 3 months. For months 25 - 60 visits will be every 6 months.

Interventions

NameTypeDescription
GlofitamabDRUG"2:1" T-cell bispecific humanized monoclonal antibody, administered via intravenous infusion per protocol.
ObinutuzumabDRUGHumanized glycoengineered type II anti-CD20 monoclonal antibody, administered via intravenous infusion per protocol.
Polatuzumab VedotinDRUGAntibody-drug conjugate, administered via intravenous infusion per protocol.
AtezolizumabDRUGHumanized immunoglobulin monoclonal antibody, administered via intravenous infusion per protocol.
TocilizumabDRUGFor the treatment of Cytokine Release Syndrome. Recombinant, humanized, anti-human monoclonal antibody, administered via intravenous infusion per protocol.
PirtobrutinibDRUGSelective inhibitor of BTK, 50 mg or 100 mg tablet, via oral administration per protocol.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites5

Inclusion Criteria: * Must have a confirmed diagnosis of chronic lymphocytic leukemia or small lymphocytic lymphoma as per IW-CLL 2018 criteria with biopsy proven transformation to diffuse large B-cell lymphoma (DLBCL), consistent with Richter's Transformation. The diagnostic sample must be reviewe...

Countries:United States
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Frequently asked questions about Glofitamab

What is glofitamab used for in chronic lymphocytic leukemia?

Glofitamab is an investigational antibody being studied for chronic lymphocytic leukemia, specifically in the setting of Richter's transformation. It is currently in a Phase 2 clinical trial as a monotherapy and in combination with other agents for this condition.

What does glofitamab target?

Glofitamab is a monoclonal antibody, classified as a -mab, that is being evaluated for its therapeutic activity in chronic lymphocytic leukemia. Its specific molecular target is not disclosed in the available clinical trial information.

Who is developing glofitamab?

Glofitamab is being developed by Eli Lilly and Company, a biopharmaceutical company traded on the New York Stock Exchange under the ticker symbol LLY. The company is sponsoring the ongoing Phase 2 clinical trial of this investigational drug.

What phase is glofitamab in?

Glofitamab is in Phase 2 clinical development. It is an investigational drug, not yet approved by regulatory authorities, and is currently being studied in a Phase 2 trial for chronic lymphocytic leukemia with Richter's transformation.

What clinical trials is glofitamab in?

Glofitamab is being studied in a Phase 2 clinical trial with the identifier NCT06043674. This trial is recruiting participants in the United States and is evaluating glofitamab as a monotherapy and in combination with polatuzumab vedotin, pirtobrutinib, or atezolizumab in Richter's transformation.

Is glofitamab the same as any other drug?

Glofitamab is a distinct investigational drug being developed by Eli Lilly and Company. No alternative names for glofitamab are provided in the available clinical trial information.