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Allogeneic cytomegalovirus-specific T cells

Phase 1

Glioblastoma Multiforme | Monoclonal antibody | Oncology |Merck & Company, Inc.|Last Updated: Jun 26, 2026

Success Probability

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Market & Valuation

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Trial Design

CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment58

FDA Designations

No designations recorded

Clinical trial landscape

Allogeneic cytomegalovirus-specific T cells · 1 trial · 2 indications

Phase 1 1
NCT06157541T Cells and Pembrolizumab for Recurrent and Newly Diagnosed GlioblastomaGlioblastoma Multiforme
ACTIVE NOT_RECRUITING58 Analytics
PHASE1ACTIVE NOT_RECRUITING
T Cells and Pembrolizumab for Recurrent and Newly Diagnosed Glioblastoma
Glioblastoma MultiformeUnlock trial analytics

Study Endpoints

Primary Endpoints

Incidence of dose-limiting toxicities
Within 49 days of receiving the first dose of study drug

Part 1 - Primary Endpoint 1

Incidence of adverse events and clinically significant changes in laboratory parameters, vital signs, and electrocardiograms (ECGs)
Within 49 days of the first dose of study drug

Part 1 - Primary Endpoint 2

Percentage of participants with confirmed complete response (CR) or partial response (PR)
Within 25 months of the first dose of study drug

Part 2 - Primary Endpoint 1

Percentage of participants with confirmed complete response (CR), partial response (PR), or stable disease (SD)
Within 25 months of the first dose of study drug

Part 2 - Primary Endpoint 2

Duration of response
Within 25 months of the first dose of study drug

Part 2 - Primary Endpoint 3

Overall survival (percentage of participants alive)
6 months

Part 2 - Primary Endpoint 4

Progression-free survival (percentage of participants with no evidence of further disease progression)
6 months

Part 2 - Primary Endpoint 5

Secondary Endpoints

Overall survival (percentage of participants alive)
6 months
Progression-free survival (percentage of participants with no evidence of further disease progression)
6 months
Incidence of adverse events and clinically significant changes in laboratory parameters, vital signs, and ECGs
Within 25 months of the first dose of study drug
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Part 1EXPERIMENTALPatients with recurrent disease. Interventions: * allogeneic CMV-specific T cells (cell suspension for infusion), dose cohorts: 2 × 10\^7 cells, 4 × 10\^7 cells, 8 × 10\^7 cells; 4 infusions; administered weekly * pembrolizumab 400 mg (solution for injection); 18 infusions; administered every 6 weeks
Part 2 Group AEXPERIMENTALPatients with recurrent disease. Interventions: * allogeneic CMV-specific T cells (cell suspension for infusion), maximum-tolerated dose identified in phase I; 4 infusions; administered weekly * pembrolizumab 400 mg (solution for injection); 18 infusions; administered every 6 weeks
Part 2 Group BEXPERIMENTALPatients with newly diagnosed disease. Interventions: * allogeneic CMV-specific T cells (cell suspension for infusion), maximum-tolerated dose identified in phase I; 4 infusions; administered weekly * pembrolizumab 400 mg (solution for injection); 18 infusions; administered every 6 weeks

Interventions

NameTypeDescription
Allogeneic cytomegalovirus-specific T cellsBIOLOGICALAllogeneic cytomegalovirus (CMV)-specific T cells generated from the blood of healthy CMV-seropositive donors
PembrolizumabDRUGA humanised immunoglobulin G4 (IgG4) monoclonal antibody (mAb) specific for the programmed cell death 1 (PD-1) receptor
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites4

Inclusion Criteria: 1. At least 18 years of age on the day of signing informed consent, with histologically confirmed diagnosis of GBM or astrocytoma Grade 4\^. a. For participants with recurrent GBM or astrocytoma grade 4, histological confirmation of primary diagnosis is available i. First oc...

Countries:Australia
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Frequently asked questions about Allogeneic cytomegalovirus-specific T cells

What is Allogeneic cytomegalovirus-specific T cells used for in Glioblastoma Multiforme?

Allogeneic cytomegalovirus-specific T cells are being studied as a treatment for Glioblastoma Multiforme, including recurrent and newly diagnosed cases. The therapy is in Phase 1 clinical development and is being evaluated in combination with pembrolizumab in a controlled trial.

Who makes Allogeneic cytomegalovirus-specific T cells?

Allogeneic cytomegalovirus-specific T cells are being developed by Merck & Company, Inc., which trades under the ticker MRK. The company is conducting a Phase 1 clinical trial to evaluate the therapy in patients with Glioblastoma Multiforme.

What phase is Allogeneic cytomegalovirus-specific T cells in?

Allogeneic cytomegalovirus-specific T cells are in Phase 1 clinical development. The therapy is investigational and is being studied in an active, not recruiting clinical trial for Glioblastoma Multiforme, including recurrent and newly diagnosed cases.

What clinical trials is Allogeneic cytomegalovirus-specific T cells in?

Allogeneic cytomegalovirus-specific T cells are being studied in clinical trial NCT06157541, titled "T Cells and Pembrolizumab for Recurrent and Newly Diagnosed Glioblastoma." This Phase 1 trial is active but not recruiting, with an enrollment of 58 participants in Australia.

Is Allogeneic cytomegalovirus-specific T cells the same as a monoclonal antibody?

Allogeneic cytomegalovirus-specific T cells are classified as a monoclonal antibody modality. The therapy is being evaluated in a Phase 1 trial for Glioblastoma Multiforme, where it is combined with pembrolizumab in a controlled study design.