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GlioblastomaPhase 2NeoGlioNCT04209790

Neoadjuvant Chemoradiation for Resectable Glioblastoma

A Phase 2 study testing Neoadjuvant chemoradiation and Surgery post Radiation and Temozolomide (benzolamide) in people with Glioblastoma and Surgery, run by Geisinger Clinic at 2 sites in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

Preoperative therapy has not been well studied in resectable glioblastoma. This study attempts to prospectively assess the feasibility and efficacy of preoperative chemo radiation in improving local control, as this is the predominant mode of failure in these patients leading to poor outcomes. Read more about this study

Who is it for?
Ages 18 to 89 years
Conditions the study is for
Glioblastoma, Surgery, High Grade Glioma
What is being tested?
Neoadjuvant chemoradiation and Surgery post Radiation and Temozolomide (benzolamide)
Could I receive a placebo?
No, everyone receives an active treatment
How many people
2 participants
Where
2 sitesUnited States
Study dates
1 Apr 2020to 14 Sep 2022
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 89 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Newly diagnosed GBM with histopathological confirmation.
  • Surgically suitable for subtotal or gross total resection as determined by central review.
  • Karnofsky Performance Status (KPS)>70
  • No contraindication for chemoradiation.
  • Complete blood count (CBC)/differential obtained within 28 days prior to registration, with adequate bone marrow function defined as follows:
  • Absolute neutrophil count (ANC) ≥ 1,500 cells/mm3;
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  • Platelets ≥ 100,000 cells/mm3;
  • Hemoglobin ≥ 8.0 g/dl (Note: the use of transfusion or other intervention to achieve Hgb ≥8.0 g/dl is acceptable)
  • Adequate hepatic function within 28 days prior to registration, as defined below:
  • Alanine Aminotransferase (ALT) and Aspartate transaminase (AST) ≤ 3 x ULN
  • Bilirubin ≤ 1.5 upper limit of normal (ULN)
  • Negative serum pregnancy test obtained for females of child-bearing potential within 28 days prior to step 2 registration.
  • Ability to get multiplanar contrast enhanced Magnetic Resonance Imaging (MRI)

Who cannot join

  • Recurrent, unresectable or multifocal malignant gliomas.
  • Any site of distant disease (for example, drop metastases from the GBM tumor site)
  • Prior radiation or chemotherapy or radiosensitizers for cancers of the brain and head and neck region; note that prior chemotherapy for a different cancer is allowable (except temozolomide).
  • Pregnancy or women of childbearing potential and men who are sexually active and not willing/able to use medically acceptable forms of contraception; this exclusion is necessary because the treatment involved in this study may be significantly teratogenic.
  • Patents treated on any other therapeutic clinical protocols within 30 days prior to registration.
  • Inability to undergo MRI (e.g., due to safety reasons, such as presence of a pacemaker, or severe claustrophobia).
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  • Severe, active co-morbidity, defined as follows:
  • Transmural myocardial infarction within the last 6 months prior to registration
  • History of recent myocardial infarction 1month prior
  • New York Heart Association grade II or greater congestive heart failure requiring hospitalization within 3 months prior to registration.
  • Serious or non-healing wound, ulcer or bone fracture or history of abdominal fistula, intra-abdominal abscess requiring major surgical procedure, open biopsy or significant traumatic injury within 28 days prior to registration, with the exception of the craniotomy for surgical resection
  • Acute bacterial or fungal infection requiring intravenous antibiotics at the time of registration
  • Hepatic insufficiency resulting in clinical jaundice and/or coagulation defects; note, however, that laboratory tests for coagulation parameters are not required for entry into this protocol.
  • Chronic obstructive pulmonary disease exacerbation or other respiratory illness requiring hospitalization or precluding study therapy at the time of registration
  • Acquired immune deficiency syndrome (AIDS) based upon current Center for Disease Control (CDC) definition; note, however, that HIV testing is not required for entry into this protocol. The need to exclude patients with AIDS from this protocol is because the treatments involved in this protocol may be significantly immunosuppressive with potentially fatal outcomes in patients already immunosuppressed.
  • Any other severe immuno-compromised condition.
  • Active connective tissue disorders, such as lupus or scleroderma that in the opinion of the treating physician may put the patient at high risk for radiation toxicity.
  • End-stage renal disease (i.e. on dialysis or dialysis has been recommended).
  • Any other major medical illnesses or psychiatric treatments that in the investigator's opinion will prevent administration or completion of protocol therapy.

Trial locations and contacts

2 sites in 1 country.

United States2 sites
  • Geisinger Medical Center

    Danville, Pennsylvania, 17822

  • Geisinger Wyoming Valley Medical Center

    Wilkes-Barre, Pennsylvania, 18711

Other trials in United States

About this study

Official title: Phase II Study of Neoadjuvant Chemoradiation for Resectable Glioblastoma (NeoGlio)

Preoperative therapy has not been well studied in resectable glioblastoma. This study attempts to prospectively assess the feasibility and efficacy of preoperative chemo radiation in improving local control, as this is the predominant mode of failure in these patients leading to poor outcomes.

This Phase II study design would be used to proceed with the study treatment after meeting pre-specified events in the initial phase, with goal being to determine whether the new treatment paradigm is sufficiently promising to warrant a major controlled clinical evaluation against the standard therapy.

Read the detailed description

Neo adjuvant, preoperative chemo radiation has consistently shown improvements in local disease control or organ preservation in many cancers including head and neck, esophageal, rectal, bladder cancers and sarcomas, leading to improvements in overall survival and limb or organ preservation.

This interventional study will be done in two phases using the Simon two-stage Phase II study design. The median progression-free survival of these patients with current standard of care therapy is in the range of 6-8 months (6.9 months in the standard of care). With the proposed trial of surgical resection of the tumor after chemotherapy and radiation the median progression free survival is anticipated to be approximately 11-12 months from subset analysis of available literature and based on prior data on other disease sites. In other words, the 7-month local progression rates is anticipated to decrease from 50% to 25%, or progression free survival improve from 50-75%

Being tested
Neoadjuvant chemoradiation, Drug Therapy with Temozolomide (benzolamide) (Standard of Care), Surgery post Radiation and Temozolomide (benzolamide)
Keywords
Glioblastoma
Medical subject headings
Glioblastoma, Glioma

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Neoadjuvant chemoradiationRadiation

    Also called Standard adjuvant therapy

    Intensity modulation radiation therapy (IMRT) with a simultaneous integrated boost with Fixed-gantry IMRT, helical tomotherapy, or Vesicular Modulated Arc Therapy (VMAT) can be used. All photon treatments shall be delivered with megavoltage machines of a minimum energy of 6 Megavolt (MV) photons. Selection of the appropriate photon energy(ies) should be based on optimizing the radiation dose distribution within the target volume and minimizing dose to non-target normal tissue.

  • Drug Therapy with Temozolomide (benzolamide) (Standard of Care)Drug

    Also called Neoadjuvant therapy

    During Concomitant Radiation Therapy on the same day as the first fraction of radiotherapy. Temozolomide will be administered continuously from day 1 of radiotherapy to the last day of radiation at a daily oral dose of 75 mg/m2 for a maximum of 49 days. The drug will be administered orally daily during radiotherapy, as best tolerated by the patient. During weekends without radiotherapy (Saturday and Sunday), the drug will be taken in the morning. The dose will be determined using actual body surface area (BSA) as calculated in square meters at the beginning of the concomitant treatment. The BSA will be calculated from the height obtained at the pretreatment visit. Capsules of temozolomide are available in 5, 20, 100, 140, 180, and 250 mg. The daily dose will be rounded to the nearest 5 mg.

  • Surgery post Radiation and Temozolomide (benzolamide)Procedure or surgery

    Surgical resection of GBM will be done after radiation and Temozolomide treatment.

Study groups in NCT04209790
Study groupRoleWhat they receive
Neoadjuvant chemoradiation and surgical resectionOtherThe experimental part of the study would be this selection of resectable patients and sequencing neoadjuvant chemoradiation prior to surgery.
Receives: Radiation: Neoadjuvant chemoradiation; Drug: Drug Therapy with Temozolomide (benzolamide) (Standard of Care); Procedure: Surgery post Radiation and Temozolomide (benzolamide)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. No Study Related Undue Toxicity or Progression

    Number of participants with no study related undue toxicity or progression within the limits of stage one patients. Toxicity is defined as: progression precluding surgery, unanticipated neurological decompensation, non-completion of neoadjuvant therapy (other than protocol defined dose adjustments or discontinuation), treatment related delay of >6 weeks to surgery, and/or major unforeseen surgical complication requiring repeat surgical intervention including other than non-life-threatening infection like meningitis/encephalitis or septicemia.

    Measured: 7 months for each patient from registration

  2. Progression Free Survival

    Number of participants with Progression Free Survival/clinical progression with new or worsening neurological symptoms related to the tumor and not due to non-tumor or study related symptoms.

    Measured: 7 months after completion of therapy

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted24 Dec 2019
  2. Study start1 Apr 2020
  3. Primary completion14 Sep 2022
  4. Study completion14 Sep 2022

Why it stopped: Suspended to identify a permanent PI at site level. Decision to Terminate was made on 7/29/25 because no other PI able to take on project.

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Model description
After standard treatment of Glioblastoma multiforme (GBM) with resection and adjuvant therapy, local failure the dominant pattern of failure. Neo adjuvant therapy consistently provides the potential for improved local control and removal of residual stem cell niches. The hypothesis is that earlier institution of neo adjuvant chemo radiation therapy in GBM would improve local control and potentially overall survival. Involved field radiation is often employed to treat unresectable or sub totally resected GBM. Radiating native GBM is not uncommon as many tumors are not safely resectable due to its location in eloquent brain. Planned neoadjuvant chemo radiation prior to immediate surgical resection in glioblastoma is a novel approach in resectable tumors.
Masking
None (open label)
Enrolment
2 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04209790
Sponsor's protocol ID
2019-0623
Acronym
NeoGlio
Status last verified
Oct 2025
First submitted
17 Dec 2019
Last updated
10 Nov 2025
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Publications

  • Milano MT, Okunieff P, Donatello RS, Mohile NA, Sul J, Walter KA, Korones DN. Patterns and timing of recurrence after temozolomide-based chemoradiation for glioblastoma. Int J Radiat Oncol Biol Phys. 2010 Nov 15;78(4):1147-55. doi: 10.1016/j.ijrobp.2009.09.018. Epub 2010 Mar 6.

    PubMed 20207495
  • Stupp R, Mason WP, van den Bent MJ, Weller M, Fisher B, Taphoorn MJ, Belanger K, Brandes AA, Marosi C, Bogdahn U, Curschmann J, Janzer RC, Ludwin SK, Gorlia T, Allgeier A, Lacombe D, Cairncross JG, Eisenhauer E, Mirimanoff RO; European Organisation for Research and Treatment of Cancer Brain Tumor and Radiotherapy Groups; National Cancer Institute of Canada Clinical Trials Group. Radiotherapy plus concomitant and adjuvant temozolomide for glioblastoma. N Engl J Med. 2005 Mar 10;352(10):987-96. doi: 10.1056/NEJMoa043330.

    PubMed 15758009
  • Yarbro JW. Future potential of adjuvant and neoadjuvant therapy. Semin Oncol. 1991 Dec;18(6):613-9. No abstract available.

    PubMed 1775978
  • Filatova A, Acker T, Garvalov BK. The cancer stem cell niche(s): the crosstalk between glioma stem cells and their microenvironment. Biochim Biophys Acta. 2013 Feb;1830(2):2496-508. doi: 10.1016/j.bbagen.2012.10.008. Epub 2012 Oct 16.

    PubMed 23079585
  • Rycaj K, Tang DG. Cancer stem cells and radioresistance. Int J Radiat Biol. 2014 Aug;90(8):615-21. doi: 10.3109/09553002.2014.892227. Epub 2014 Mar 7.

    PubMed 24527669

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Neoadjuvant chemoradiation and Surgery post Radiation and Temozolomide (benzolamide) in people with Glioblastoma and Surgery, run by Geisinger Clinic at 2 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 13 inclusion and 19 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 10 Nov 2025. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 10 Nov 2025). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

No Study Related Undue Toxicity or Progression (time frame: 7 months for each patient from registration). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT04209790, which also lists 5 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 10 Nov 2025.

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