- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04810871
Surgical Resection of Latent Brain Tumors Prior to Recurrence
Study Overview
Detailed Description
PRIMARY OBJECTIVE:
I. To evaluate the safety and feasibility of surgical resection for pre-recurrent brain tumors.
SECONDARY OBJECTIVES:
I. To determine whether there are differences in overall survival for patients who receive radiation therapy (RT) prior to surgery as compared to patients who receive RT after surgery or patients undergoing no further surgery.
II. To determine for patients having pre-recurrent surgery whether there is a longer interval to local/regional progression, any central nervous system (CNS) progression or need for subsequent intracranial treatment compared to patients receiving post-operative RT, time to each will be separately documented.
III. To determine for patients with pre-operative as compared to post-operative fractionated radiation for brain metastases (mets) whether there is a decreased rate of local recurrence.
IV. To determine for patients with pre-operative as compared to post-operative fractionated radiation for brain mets whether there is a decreased rate of leptomeningeal disease.
CORRELATIVE RESEARCH OBJECTIVES:
I. To determine the genetic and molecular alterations occurring in radiated brain and radiated tumor tissue compared to nonradiated tissue specimens (subjects will be matched to Mayo Clinic Cancer Center Neuro-Oncology Program Registry for the study of Nervous System Tumors 12-003458).
II. To investigate the relative sensitivity of radiated human CNS tumors to senolytic or other therapies in ex vivo assays targeting radiation-induced biology to promote synthetic lethality using cryopreserved or fresh tissue.
III. To investigate the availability and utility of candidate biomarkers reflective of tumor burden and therapeutic susceptibility, from tissue, cerebrospinal fluid (CSF) and peripheral blood.
IV. Patients self-reported outcomes may be obtained through the Neurosurgery Registry program. As available, these data may be referenced as a screening tool for any impact on quality of life (QOL) associated with trial participation as compared to matched controls.
OUTLINE:
Patients undergo surgery as indicated clinically when applicable.
After completion of surgery, patients are followed up at 3 and 6 months, and then every 6 months thereafter.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
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Minnesota
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Rochester, Minnesota, United States, 55905
- Recruiting
- Mayo Clinic in Rochester
-
Contact:
- Clinical Trials Referral Office
- Phone Number: 855-776-0015
- Email: mayocliniccancerstudies@mayo.edu
-
Principal Investigator:
- Terry C. Burns, M.D., Ph.D.
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Age >= 18 years
- Histological or cytological confirmation of brain tumor and/or suspected brain tumor based on clinical and radiologic findings
- Prior chemotherapy and/or radiation treatment directed to the known/suspected tumor
- Radiographic evidence of residual or previously unresected tumor
- Willingness to undergo surgery and sign informed consent
- Patients not currently eligible for an alternate competing interventional clinical trial
- Enrollment in the Mayo Clinic Cancer Center Neuro-Oncology Program Registry for the study of Nervous System Tumors (IRB#12-003458)
Exclusion Criteria:
- Age < 18 years
- Found to be a member of a vulnerable population (e.g. pregnant, lacking capacity to consent) during the course of pre-enrollment or pre-surgical assessment
- Prior gross total resection of brain tumor leading to absence of visible latent disease (exemption available for post-operative enrollment)
- Any contraindication to surgery, including anyone who in the opinion of the surgeon is at unreasonably elevated risk of wound complications
- Avastin within the past 6 months for any reason
- Patients who have not yet undergone surgery or radiation, but who would be appropriate candidates for an alternate interventional clinical trial (e.g. post-operative fractionated vs single fraction radiation to the surgical cavity for surgical brain mets)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Treatment (surgery)
Patients undergo surgery as indicated clinically when applicable.
|
Undergo surgery
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Feasibility of surgical resection by short and long term outcomes
Time Frame: Up to 5 years
|
Feasibility will be evaluated by meeting enrollment criteria.
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Up to 5 years
|
Incidence of adverse events
Time Frame: Up to 5 years
|
Safety will be evaluated by recording adverse events utilizing proper reporting measures.
|
Up to 5 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall survival
Time Frame: Time from initial diagnosis to the date of death/or censored at the time of last known alive, assessed up to 5 years
|
Median time of survival along with 95% confidence interval will be estimated using the Kaplan-Meier method.
|
Time from initial diagnosis to the date of death/or censored at the time of last known alive, assessed up to 5 years
|
Progression free survival
Time Frame: Time from initial diagnosis to the date progression is identified, assessed up to 5 years
|
Median time of progress-free survival along with the 95% confidence interval will be estimated using the Kaplan Meier method.
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Time from initial diagnosis to the date progression is identified, assessed up to 5 years
|
Neurosurgical morbidity
Time Frame: Up to completion of surgery
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Postoperative complications such as wound infection and neurologic deficits will be logged.
Additional metrics including hospital stay and readmission rates will also be logged.
Standard descriptive statistics will be used to summarize the outcomes.
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Up to completion of surgery
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Time to subsequent treatment (i.e. chemotherapy/immunotherapy and/or radiation)
Time Frame: Time from surgical resection at Mayo Clinic until an adjuvant treatment is administered, assessed up to 5 years
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Median time to subsequent treatment along with the 95% confidence interval will be estimated using standard descriptive statistics.
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Time from surgical resection at Mayo Clinic until an adjuvant treatment is administered, assessed up to 5 years
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Rate of local recurrence
Time Frame: Up to 5 years
|
Will be logged as a categorical value and continuous data - endpoint is diagnosis of local recurrent disease.
The presence and time to local recurrent disease will be logged and standard descriptive statistics will be used to summarize the outcomes.
|
Up to 5 years
|
Rate of leptomeningeal disease
Time Frame: Up to 5 years
|
Will be logged as both a categorical value and continuous data - endpoint is diagnosis of leptomeningeal disease.
The presence and time to occurrence of leptomeningeal disease will be logged and standard descriptive statistics will be used to summarize the outcomes.
|
Up to 5 years
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Terry C Burns, M.D., Ph.D., Mayo Clinic in Rochester
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 20-013059 (Other Identifier: Mayo Clinic in Rochester)
- NCI-2021-01950 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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