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NovoTTF Treatment Signatures in Glioblastoma Patients at Autopsy

Study Purpose

This study will assess whole brain samples from glioblastoma patients at autopsy to determine the underlying pathological signatures of tumor treatment fields at autopsy.

Recruitment Criteria

Accepts Healthy Volunteers

Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms

 No
Study Type

An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.


An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.


Searching Both is inclusive of interventional and observational studies.

 Observational
Eligible Ages 18 Years and Over
Gender All
More Inclusion & Exclusion Criteria

Inclusion Criteria:

  • - Newly diagnosed glioblastoma, World Health Organization (WHO) grade IV, patients undergoing TTField therapy.
  • - Recurrent glioblastoma WHO grade IV, patients undergoing TTField therapy.

Exclusion Criteria:

  • - TTField compliance < 75%.
  • - Any contraindication to Optune TTField treatment.
  • - Initial brain tumor diagnosis < WHO grade IV.
  • - Duration of TTField therapy < 3 months.

Trial Details

Trial ID:

This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.

 NCT03194971
Phase

Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.

Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.

Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.

Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.
Lead Sponsor

The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.

 Medical College of Wisconsin
Principal Investigator

The person who is responsible for the scientific and technical direction of the entire clinical study.

 Peter LaViolette, PhD
Principal Investigator Affiliation Medical College of Wisconsin
Agency Class

Category of organization(s) involved as sponsor (and collaborator) supporting the trial.

 Other
Overall Status Recruiting
Countries United States
Conditions

The disease, disorder, syndrome, illness, or injury that is being studied.

 Glioblastoma
Additional Details

RATIONALE: Optune therapy with tumor treatment fields (TTFields) has recently been FDA approved for the treatment of newly diagnosed glioblastoma due to a recent clinical trial that showed improvement in progression free survival and overall survival compared to standard therapy.

  • (1) TTFields also have a role in the recurrent glioblastoma treatment where it has demonstrated equal efficacy to second-line chemotherapy also has been shown to tumor progression and improve overall survival.
(2) Though preclinical studies are ongoing, glioblastoma patients who have undergone TTField therapy have not yet been assessed at autopsy to determine both the pathological signature of TTField treatment, and the pattern of failure. This study will determine how the underlying pathological signatures of tumors treated with TTFields differ from those naïve to TTFields by comparing tumor tissue at autopsy. STUDY: All patients undergoing TTField therapy for newly diagnosed and recurrent glioblastoma will be considered for inclusion for this study. The investigators expect to enroll five patients per year for four years, totaling 10 patients treated upfront and 10 patients treated at tumor recurrence. An objective of this study is to determine differences in the pathological pattern of failure when patients are treated with TTFields at initial diagnosis (up-front) compared to those treated at tumor recurrence.

Arms & Interventions

Arms

: TTField at Recurrence

: TTField at New Diagnosis

Interventions

Other: - Tumor samples from patients treated with TTFields at initial diagnosis.

Pathological assessment of tumor cellularity, apoptosis, and quantitative histo-morphometry of residual tumor cells will be performed. Each metric will be statistically compared between groups.

Device: - Tumor samples from patients treated with TTFields at tumor recurrence.

Pathological assessment of tumor cellularity, apoptosis, and quantitative histo-morphometry of residual tumor cells will be performed. Each metric will be statistically compared between groups.

Contact a Trial Team

If you are interested in learning more about this trial, find the trial site nearest to your location and contact the site coordinator via email or phone. We also strongly recommend that you consult with your healthcare provider about the trials that may interest you and refer to our terms of service below.

Milwaukee, Wisconsin

Status

Recruiting

Address

Froedtert & the Medical College of Wisconsin

Milwaukee, Wisconsin, 53226

Site Contact

Peter LaViolette

[email protected]

414-456-7490

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