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ClinicalTrials.gov 29 recruiting now early-phase tilt

Recurrent Glioblastoma: early-phase trial registry

29 of 63 indexed Recurrent Glioblastoma trials are currently recruiting, with more weight in Phase 1-2.

Corpus placement: #222 of 28,707 conditions by registered trial count.

63 US clinical trials · 29 currently recruiting · #222 of 28,707 conditions by registered trial count

Recurrent Glioblastoma: 63 US clinical trials tracked, 29 recruiting.

Recurrent Glioblastoma is the subject of 63 registered US clinical trials on ClinicalTrials.gov, 29 of them currently open to new participants. 2 are in Phase 3-4 (later-stage) and 54 in Phase 1-2 (earlier-stage). The most active sponsor is National Cancer Institute (NCI), running 7 of these trials.

Enrollment posture brief

Registry condition recurrent-glioblastoma

OPEN 29 | RECR 46% | LATE 2 | EARLY 54 | RANK #222 | SPON 7

Nearest open-share peer: Chronic Pain (46% recruiting · 302 trials)

Hematopoietic and Lymphatic 76.2%Mental Health54%Recurrent Glioblastoma (this)46%Delirium38.1%Hypercholesterolemia7.9%
Open-enrollment share among volume-matched conditions near Recurrent Glioblastoma

Recurrent Glioblastoma lists 29 open slots (46% of 63 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Recurrent Glioblastoma on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Recurrent Glioblastoma is recruiting above its size-band peers.

    29 of 63 indexed trials (46%) are open to enrollment, against a 39.7% average across 762 conditions with 20-99 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. Sponsorship of Recurrent Glioblastoma trials is spread across many organizations.

    National Cancer Institute (NCI) accounts for 7 of 63 trials (11.1%). 39 distinct sponsors appear on at least one study for this condition label.

  3. Most Recurrent Glioblastoma trials plan to enrol fewer than 100 people.

    Median target enrolment is 30 among the 63 trials that report a genuine target (sentinel values excluded). 54 of those (85.7%) plan for fewer than 100 participants.

  4. Recurrent Glioblastoma research is mostly interventional.

    61 interventional and 2 observational studies make up this index (96.8% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 137Phase 217Phase 32

Open and recent trials

63 total, page 1 of 2

RECRUITING 464 participants

The RECSUR-study: Resection Versus Best Oncological Treatment for Recurrent Glioblastoma (ENCRAM 2302)

Jasper Gerritsen

NCT06283927

RECRUITING 225 participants

The RECMAP-study: Resection With or Without Intraoperative Mapping for Recurrent Glioblastoma

Erasmus Medical Center

NCT06273176

RECRUITING Phase 2 184 participants

Anti-Lag-3 (Relatlimab) and Anti-PD-1 Blockade (Nivolumab) Versus Standard of Care (Lomustine) for the Treatment of Patients With Recurrent Glioblastoma

National Cancer Institute (NCI)

NCT06325683

RECRUITING Phase 2 134 participants

Retifanlimab with Bevacizumab and Hypofractionated Radiotherapy for the Treatment of Recurrent Glioblastoma

Academic and Community Cancer Research United

NCT06160206

RECRUITING NA 96 participants

Spectroscopic MRI, Proton Therapy, and Avastin for Recurrent Glioblastoma

University of Miami

NCT05284643

RECRUITING Phase 2 80 participants

A Multicenter Trial to Identify Optimal Atezolizumab Biomarkers in the Setting of Recurrent Glioblastoma. The MOAB Trial

Duke University

NCT06069726

RECRUITING Phase 2 78 participants

Surgical Pembro +/- Olaparib w TMZ for rGBM

L. Nicolas Gonzalez Castro, MD, PhD

NCT05463848

RECRUITING Phase 1 60 participants

IL13Ra2-CAR T Cells With or Without Nivolumab and Ipilimumab in Treating Patients With GBM

City of Hope Medical Center

NCT04003649

RECRUITING NA 50 participants

Magnetic Resonance Imaging for Improving Knowledge of Brain Tumor Biology in Patients With Resectable Glioblastoma

Jonsson Comprehensive Cancer Center

NCT06090903

RECRUITING Phase 1 48 participants

RMC-5552 Monotherapy in Adult Subjects With Recurrent Glioblastoma

Nicholas Butowski

NCT05557292

RECRUITING Phase 1 36 participants

MSC-DNX-2401 in Treating Patients With Recurrent High-Grade Glioma

M.D. Anderson Cancer Center

NCT03896568

RECRUITING Phase 1 36 participants

A Feasibility Study to Evaluate the Safety of the TheraSphere Glioblastoma (GBM) Device in Patients With Recurrent GBM

Boston Scientific Corporation

NCT05303467

RECRUITING Phase 2 32 participants

Sacituzumab Govitecan in Recurrent Glioblastoma

The University of Texas Health Science Center at San Antonio

NCT04559230

RECRUITING Phase 2 30 participants

Trastuzumab Deruxtecan (T-DXd) for People With Brain Cancer

Memorial Sloan Kettering Cancer Center

NCT06058988

RECRUITING Phase 1 28 participants

Hypofractionation Trial of Re-irradiation in Good Prognosis Recurrent Glioblastoma

National Cancer Institute (NCI)

NCT06344130

RECRUITING Phase 1 27 participants

Intracranial Genetically Modified Immune Cells (TGFβR2KO/IL13Rα2 CAR T-Cells) for the Treatment of Recurrent or Progressive Glioblastoma or Grade 3 or 4 IDH-Mutant Astrocytoma

City of Hope Medical Center

NCT06815029

RECRUITING Early Phase 1 27 participants

A Surgical Window of Opportunity Clinical Trial of Troriluzole in Recurrent IDH Wild-Type Glioblastoma

Ugonma Chukwueke

NCT06552260

RECRUITING Phase 1 24 participants

Verteporfin for the Treatment of Recurrent High Grade EGFR-Mutated Glioblastoma

Emory University

NCT04590664

RECRUITING Phase 1 21 participants

CARv3-TEAM-E T Cells in Glioblastoma

Marcela V. Maus, M.D.,Ph.D.

NCT05660369

RECRUITING Phase 2 20 participants

OPTIMUS PRIME: Safety and Feasibility of OPTune GIO® Integrated With MRI-gUided Laser Ablation Surgery and Pembrolizumab for Recurrent GlIoblastoMa, A randomizEd Trial

University of Florida

NCT06558214

RECRUITING Phase 1 20 participants

Immunotherapy Before and After Surgery for Treatment of Recurrent or Progressive High Grade Glioma in Children and Young Adults

Sabine Mueller, MD, PhD

NCT04323046

RECRUITING Phase 1 20 participants

Anti-EGFRvIII synNotch Receptor Induced Anti-EphA2/IL-13Ralpha2 CAR (E-SYNC) T Cells

Hideho Okada, MD, PhD

NCT06186401

RECRUITING Phase 1 18 participants

CUE-102 in Recurrent Glioblastoma

David Reardon, MD

NCT06917885

RECRUITING Early Phase 1 15 participants

Multitracer [18F]Fluciclovine and 18F-FDG PET, and Advanced MRI for Metabolic Profiling of Glioblastoma

Abramson Cancer Center at Penn Medicine

NCT06613841

RECRUITING Phase 1 12 participants

Different Approaches for CART-EGFR-IL13Ra2 Dosing in Recurrent GBM

University of Pennsylvania

NCT07209241

RECRUITING Phase 1 11 participants

Sonodynamic Therapy in Patients With Recurrent GBM

Shayan Moosa, MD

NCT06039709

RECRUITING NA 10 participants

A Study to Assess the Feasibility and Safety of Intratumoral Diffusing Alpha Emitters for the Treatment of Recurrent Glioblastoma

Alpha Tau Medical

NCT06910306

RECRUITING Early Phase 1 8 participants

Sonodynamic Therapy With SONALA-001 or 5-ALA HCL and Magnetic Resonance Guided Focused Ultrasound for the Treatment of Progressive or Recurrent Glioblastoma

Mayo Clinic

NCT07076472

RECRUITING Phase 1 6 participants

Atezolizumab and Cabozantinib for the Treatment of Recurrent Glioblastoma

M.D. Anderson Cancer Center

NCT05039281

ACTIVE NOT RECRUITING Phase 3 560 participants

Sonocloud-9 in Association With Carboplatin Versus Standard-of-Care Chemotherapies (CCNU or TMZ) in Recurrent GBM

CarThera

NCT05902169

ACTIVE NOT RECRUITING NA 146 participants

DSC-MRI in Measuring rCBV for Early Response to Bevacizumab in Patients With Recurrent Glioblastoma

ECOG-ACRIN Cancer Research Group

NCT03115333

ACTIVE NOT RECRUITING Phase 1 78 participants

BGB-290 and Temozolomide in Treating Isocitrate Dehydrogenase (IDH)1/2-Mutant Grade I-IV Gliomas

University of California, San Francisco

NCT03749187

ACTIVE NOT RECRUITING Phase 2 70 participants

Cediranib Maleate and Olaparib Compared to Bevacizumab in Treating Patients With Recurrent Glioblastoma

National Cancer Institute (NCI)

NCT02974621

ACTIVE NOT RECRUITING Phase 1 68 participants

Mycophenolate Mofetil Combined With Radiation Therapy in Glioblastoma

University of Michigan Rogel Cancer Center

NCT04477200

ACTIVE NOT RECRUITING Phase 1 65 participants

Genetically Modified T-cells in Treating Patients With Recurrent or Refractory Malignant Glioma

City of Hope Medical Center

NCT02208362

ACTIVE NOT RECRUITING Phase 1 60 participants

Mycophenolate Mofetil in Combination With Standard of Care for the Treatment of Glioblastoma

Northwestern University

NCT05236036

ACTIVE NOT RECRUITING Phase 2 59 participants

Testing the Addition of the Immune Therapy Drugs, Tocilizumab and Atezolizumab, to Radiation Therapy for Recurrent Glioblastoma

National Cancer Institute (NCI)

NCT04729959

ACTIVE NOT RECRUITING Phase 1 57 participants

Ultrasound-based Blood-brain Barrier Opening and Albumin-bound Paclitaxel and Carboplatin for Recurrent Glioblastoma

Northwestern University

NCT04528680

ACTIVE NOT RECRUITING Phase 2 48 participants

Clindamycin and Triamcinolone in People With Glioblastoma to Prevent Skin-Related Side Effects of Tumor Treating Fields

Memorial Sloan Kettering Cancer Center

NCT04469075

ACTIVE NOT RECRUITING Phase 1 40 participants

Pembrolizumab and a Vaccine (ATL-DC) for the Treatment of Surgically Accessible Recurrent Glioblastoma

Jonsson Comprehensive Cancer Center

NCT04201873

ACTIVE NOT RECRUITING Phase 1 34 participants

Lonafarnib and Temozolomide in Treating Patients with Glioblastoma Multiforme That is Recurrent or Did Not Respond to Previous Treatment with Temozolomide

M.D. Anderson Cancer Center

NCT00102648

ACTIVE NOT RECRUITING Early Phase 1 30 participants

Fimepinostat in Treating Brain Tumors in Children and Young Adults

Sabine Mueller, MD, PhD

NCT03893487

ACTIVE NOT RECRUITING Phase 2 30 participants

Niraparib/TTFields in GBM

Abramson Cancer Center at Penn Medicine

NCT04221503

ACTIVE NOT RECRUITING Phase 1 24 participants

RNA-Lipid Particle (RNA-LP) Vaccines for Recurrent Adult Glioblastoma (GBM)

University of Florida

NCT06389591

ACTIVE NOT RECRUITING Phase 1 19 participants

Chimeric Antigen Receptor (CAR) T Cells With a Chlorotoxin Tumor-Targeting Domain for the Treatment of MMP2+ Recurrent or Progressive Glioblastoma

City of Hope Medical Center

NCT04214392

ACTIVE NOT RECRUITING Phase 1 18 participants

Carboxylesterase-Expressing Allogeneic Neural Stem Cells and Irinotecan Hydrochloride in Treating Patients With Recurrent High-Grade Gliomas

City of Hope Medical Center

NCT02192359

ACTIVE NOT RECRUITING Phase 2 18 participants

Pembrolizumab in Treating Patients With Recurrent Glioblastoma

M.D. Anderson Cancer Center

NCT02337686

ACTIVE NOT RECRUITING Early Phase 1 14 participants

Identification of Treatment Concentrations of Defactinib or VS-6766 for the Treatment of Patients With Glioblastoma

Emory University

NCT05798507

ACTIVE NOT RECRUITING Early Phase 1 4 participants

Natural Progesterone for the Treatment of Recurrent Glioblastoma

Emory University

NCT05091866

COMPLETED Phase 3 423 participants

Cediranib in Combination With Lomustine Chemotherapy in Recurrent Glioblastoma

AstraZeneca

NCT00777153

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Phase Distribution

PhaseTrial count
Phase 1 37
Phase 2 17
Phase 3 2

Named interventions

Most-linked intervention names on Recurrent Glioblastoma records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Temozolomide Drug
8 trials
Laboratory Biomarker Analysis Other
7 trials
Biospecimen Collection Procedure
7 trials
Pharmacological Study Other
6 trials
Therapeutic Conventional Surgery Procedure
5 trials
Radiation Therapy Radiation
4 trials
Magnetic Resonance Imaging Procedure
4 trials
Quality-of-Life Assessment Other
4 trials

US sites by state

Facility locations filed on Recurrent Glioblastoma trials. A trial with sites in several states counts in each.

California 30 trials
Massachusetts 19 trials
Florida 13 trials
Pennsylvania 12 trials
Ohio 11 trials
Texas 10 trials
Maryland 10 trials
New York 9 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Recurrent Glioblastoma page

63 registered trials, 29 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Recurrent Glioblastoma condition card totals 63 registered trials; most-linked intervention Temozolomide; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.