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Study Testing The Safety and Efficacy of Adjuvant Temozolomide Plus TTFields (Optune®) Plus Pembrolizumab in Patients With Newly Diagnosed Glioblastoma (2-THE-TOP)

NCT03405792 · Status: ACTIVE_NOT_RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 40

Last updated 2026-02-06

Study results available
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Summary

Glioblastoma multiforme (GBM) is the most common and deadliest primary malignant neoplasm of the central nervous system in adults. Despite an aggressive multimodality treatment approach including surgery, radiation therapy and chemotherapy, overall survival remains poor. Pembrolizumab has recently been approved in the United States for the treatment of patients with advanced and metastatic non-small cell lung cancer, recurrent or metastatic head and neck squamous cell carcinoma, locally advanced urothelial carcinoma, classical Hodgkin lymphoma, unresectable or metastatic melanoma

This study is being performed to determine whether the triple combination of pembrolizumab when added to TTFields (Optune®) and adjuvant temozolomide increases progression-free survival (PFS) in patients with newly diagnosed GBM as compared to historical control data.

Conditions

Interventions

DRUG

Temozolomide (TMZ)

Patients will begin treatment with adjuvant TMZ at least 4 weeks but no more than 6 weeks from last dose of concomitant temozolomide or radiation therapy (the latter of the two). A minimum of 6 and maximum of 12 cycles of adjuvant TMZ will be given depending on tolerability and toxicity.

DEVICE

Optune System

Patients will undergo 24-months of planned treatment with Optune therapy.

DRUG

Pembrolizumab

Pembrolizumab will be given intravenously every 3 weeks beginning on Day 1 of Cycle 2 of adjuvant TMZ. Treatment with pembrolizumab every 3 weeks until first disease progression or unacceptable toxicities or 2 years, whichever comes first.

Sponsors & Collaborators

  • NovoCure Ltd.

    collaborator INDUSTRY

  • University of Florida

    lead OTHER

Principal Investigators

  • Ashley Ghiaseddin, MD · University of Florida

Study Design

Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
80 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2018-02-23
Primary Completion
2022-11-26
Completion
2027-12-31
FDA Drug
Yes

Countries

  • United States

Study Locations

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Entities

Drugs
Diseases

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 NCT03405792 on ClinicalTrials.gov