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UCPVax

Phase 2

Primary Glioblastoma | Small molecule | Oncology |Merck & Company, Inc.|Last Updated: Jan 16, 2026

Success Probability

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Market & Valuation

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Trial Design

RandomizedCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment98

FDA Designations

No designations recorded

Clinical trial landscape

UCPVax · 1 trial · 1 indication

Phase 2 1
NCT07347210Evaluation of UCPVax Vaccine +/- Pembrolizumab Combined With Standard Treatment as Adjuvant Therapy in Patients With Unmethylated MGMT GlioblastomaPrimary Glioblastoma
NOT YET_RECRUITING98 Analytics
PHASE2NOT YET_RECRUITING
Evaluation of UCPVax Vaccine +/- Pembrolizumab Combined With Standard Treatment as Adjuvant Therapy in Patients With Unmethylated MGMT Glioblastoma
Primary GlioblastomaUnlock trial analytics

Study Endpoints

Primary Endpoints

Assessment of the Overall Survival (OS) at 18 months since randomization of patients with GBM treated in the experimental arm with UCPVax +/- pembrolizumab combined with standard treatment (Temozolomide +/- Novo-TTF-200A)
18 months

Rate for patients alive at 18 months post-randomization

Secondary Endpoints

Assessment of the Overall Survival (OS) at 18 months since randomization of patients with GBM treated in the control arm receiving standard treatment( Temozolomide +/- NovoTTF-200A)
18 months
Assessment of the Overall Survival (OS) in the three arms
from date of randomization until date of death from any cause, assessed up to 42 months
Assessment of the progression free survival (PFS) since randomization in the three arms
From date of randomization until the date of first documented disease progression or death from any cause, whichever occurs first, assessed up to 42 months
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Experimental Arm AEXPERIMENTALUCPVax + Pembrolizumab + Standard of care
Experimental Arm BEXPERIMENTALUCPVax + Standard of care
Control Arm COTHERStandard of care

Interventions

NameTypeDescription
UCPVaxDRUGPriming : UCPVax (two helper peptides UCP2 and UCP4 + Montanide ISA51) at 0.5 mg subcutaneously at day 1, 8, 15, 29, 36 and 43 Boost : UCPVax at 0.5 mg subcutaneously one month after priming and then every 8 weeks for 12 months maximum
PembrolizumabDRUG400 mg/m1 every 6 weeks since day 1 until disease progression or unacceptable toxicity for a maximum of 1 year
TemozolomideDRUG150-200 mg/m2/day x 5 days per month x 6 months according to best standard of care starting at day 1 of week 1 (with vaccine 1 of UCPVax). Additional treatment with NOVO-TTF200A will be allowed.
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Eligibility Criteria

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

Inclusion Criteria: 1. Male or female, age ≥ 18 with informed consent signed 2. Patient with a confirmed histological diagnosis of non-mutated IDH primary glioblastoma (surgical resection or biopsy). 3. Tumor with unmethylated MGMT promoter status 4. Patients having completed the concomitant phase ...

Countries:France
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Frequently asked questions about UCPVax

What is UCPVax used for in Primary Glioblastoma?

UCPVax is an investigational small molecule being studied for the treatment of Primary Glioblastoma. It is currently in Phase 2 clinical development as an adjuvant therapy for patients with unmethylated MGMT glioblastoma. The drug is being evaluated in combination with standard treatment, with or without pembrolizumab.

Who makes UCPVax?

UCPVax is being developed by Merck & Company, Inc., a pharmaceutical company traded on the New York Stock Exchange under the ticker symbol MRK. The company is conducting a Phase 2 clinical trial of UCPVax in patients with Primary Glioblastoma.

What phase is UCPVax in?

UCPVax is currently in Phase 2 clinical development. It is an investigational drug, meaning it has not been approved by regulatory authorities and is still being studied in clinical trials. The ongoing Phase 2 trial is evaluating UCPVax as an adjuvant therapy for Primary Glioblastoma.

What clinical trials is UCPVax in?

UCPVax is being studied in one active Phase 2 clinical trial with the identifier NCT07347210. This trial evaluates UCPVax with or without pembrolizumab combined with standard treatment as adjuvant therapy in patients with unmethylated MGMT glioblastoma. The trial is planned to enroll 98 participants in France.

Is UCPVax being studied in a randomized controlled trial?

Yes, the Phase 2 clinical trial of UCPVax in Primary Glioblastoma is randomized and controlled. The trial is not double-blind, meaning participants and investigators know which treatment is being administered. The study is biomarker-selected, focusing on patients with unmethylated MGMT glioblastoma.