- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02691923
Diagnostic Performance of Fluorescein as an Intraoperative Brain Tumor Biomarker
Diagnostic Performance of Fluorescein as an Intraoperative Brain Tumor Biomarker: Correlation With Preoperative MR, ALA-induced PpIX Fluorescence, and Histopathology
This clinical research will evaluate the diagnostic potential of fluorescein as visualized through an operating microscope relative to 1) contrast enhancement on co-registered preoperative MR scans, 2) intraoperative ALA-induced PpIX fluorescence and 3) gold-standard histology obtained from biopsy sampling during the procedure.
Subjects will include those people with operable brain tumor with first-time presumed pre-surgical diagnosis of high-grade glioma or low-grade glioma.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Consenting subjects who have met inclusion and exclusion criteria will be enrolled to receive either fluorescein+ALA or fluorescein alone. HGG patients will be randomized on a 2 to 1 basis to receive either both fluorescein and ALA or fluorescein alone, and LGG patients will be randomized on a 1 to 1 basis.
This study is a diagnostic trial of fluorescein fluorescence as an intraoperative imaging biomarker during open cranial surgery for tumor resection of first-time (preoperatively) presumed high or low grade glioma. Subjects participate in a "one-time" event/visit (i.e, surgery) as part of this protocol. Images and data from the patient's pre- and post-operative MR scans are used for analysis in the study, but these acquisitions are part of the patient's standard-of-care, would occur independently of whether the participant is enrolled; and thus, are not considered to be research study visits. No post-surgical follow-up visit is part of the protocol data collection or analysis. Patients are monitored for possible adverse events through the routine follow-up under the care of the operating surgeon involved in the study procedures, post-operatively and subsequently through the medical record. Hence, this information is already being collected as part of standard-of-care and is available for adverse event surveillance. Patients receiving ALA who present with abnormally elevated LFTs beyond the peri-operative observation period are monitored on a regular basis until resolution and this blood testing is considered to be part of the study.
Administration of study drug:
Patients enrolled in the fluorescein+ALA arm will be administered orally 5-ALA (DUSA Pharmaceuticals, Tarrytown, NY) at 20 mg/kg body weight, dissolved in 100 ml of water, approximately 3 hours prior to the induction of anesthesia.
For patients receiving only fluorescein, the operating surgeon will request bolus injection (at a dose of 5 mg/kg) approximately 30 minutes prior to the start of tumor resection. For especially long cases (e.g., > 4 h) or if fluorescein fluorescence dissipates substantially during the course of the procedure, a second bolus injection may occur later in the case.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Sally B Mansur, MS
- Email: Sally.B.Mansur@Dartmouth.edu
Study Contact Backup
- Name: Keith D Paulsen, PhD
- Email: Keith.D.Paulsen@Dartmouth.edu
Study Locations
-
-
New Hampshire
-
Lebanon, New Hampshire, United States, 03756
- Recruiting
- Sally B Mansur
-
Contact:
- Sally B Mansur, MS
- Email: Sally.B.Mansur@Dartmouth.edu
-
Contact:
- Keith D Paulsen, PhD
- Email: Keith.D.Paulsen@Dartmouth.edu
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Preoperative diagnosis of either presumed first-time low or high grade glioma (astrocytoma, oligodendroglioma, mixed oligo-astrocytoma, anaplastic astrocytoma, and glioblastoma multiforme).
- Tumor judged to be suitable for open cranial resection based on preoperative imaging studies.
- Valid informed consent by subject or subject's LAR.
- No serious associated psychiatric illnesses.
- Age ≥ 21 years old.
Exclusion Criteria:
- Pregnant women or women who are breast feeding.
- History of hypersensitivity to fluorescein.
- History of cutaneous photosensitivity, porphyria, hypersensitivity to porphyrins, photodermatosis, exfoliative dermatitis.
- History of liver disease within the last 12 months.
- Elevated LFTs (AST, ALT, ALP or bilirubin levels greater than 2.5 times the normal limit) from laboratory tests conducted within 30 days prior to surgery.
- Serum creatinine in excess of 180µmol/L (2.04 md/dL) within 30 days prior to surgery.
- Inability to comply with the photosensitivity precautions associated with the study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Fluorescein
Fluorescein administered IV at 5mg/kg approximately 30 minutes prior to the beginning of the tumor resection.
A second injection may occur if the fluorescein fluorescence is dissipated substantially during the course of the procedure.
|
Other Names:
|
Experimental: Fluorescein + ALA
Fluorescein administered IV at 5mg/kg approximately 30 minutes prior to the beginning of the tumor resection. A second injection may occur if the fluorescein fluorescence is dissipated substantially during the course of the procedure. ALA administered orally at 20mg/kg approximately 3 hours before surgery. |
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Fluorescein performance as an intraoperative biomarker for tumor tissue will be reported.
Time Frame: 24 months
|
The predictive performance of fluorescein fluorescence as an intraoperative imaging biomarker of tumor during surgery in patients with a clinical diagnosis of high grade glioma (HGG) and patients with a clinical diagnosis of low grade glioma (LGG) will be measured.
Fluorescence will be measured both quantitatively via an intraoperative probe and visually by the neurosurgeon through the operating microscope.
Endpoints will be assessed separately for HGG and LGG groups.
|
24 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Fluorescein performance as visualized and measured with an intraoperative probe will be reported
Time Frame: 24 months
|
The performance of fluorescein as visualized by the neurosurgeon and measured quantitatively with an intraoperative probe will be analyzed to the contrast-enhancement on coregistered preoperative MR scans in patients with a clinical diagnosis of high grade glioma.
|
24 months
|
Fluorescein versus fluorescein + ALA performance will be reported in patients in patients with 2 different types of tumors
Time Frame: 24 months
|
The performance of fluorescein versus fluorescein + ALA as visualized by the neurosurgeon and measured quantitatively with an intra-operative probe will be analyzed in patients with a clinical diagnosis of either high grade glioma (HGG) or low grade glioma (LGG).
|
24 months
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: David W Roberts, MD, Dartmouth-Hitchcock Medical Center
Publications and helpful links
General Publications
- Roberts DW, Valdes PA, Harris BT, Hartov A, Fan X, Ji S, Leblond F, Tosteson TD, Wilson BC, Paulsen KD. Glioblastoma multiforme treatment with clinical trials for surgical resection (aminolevulinic acid). Neurosurg Clin N Am. 2012 Jul;23(3):371-7. doi: 10.1016/j.nec.2012.04.001.
- Elliott JT, Dsouza AV, Davis SC, Olson JD, Paulsen KD, Roberts DW, Pogue BW. Review of fluorescence guided surgery visualization and overlay techniques. Biomed Opt Express. 2015 Sep 3;6(10):3765-82. doi: 10.1364/BOE.6.003765. eCollection 2015 Oct 1.
- Valdes PA, Jacobs V, Harris BT, Wilson BC, Leblond F, Paulsen KD, Roberts DW. Quantitative fluorescence using 5-aminolevulinic acid-induced protoporphyrin IX biomarker as a surgical adjunct in low-grade glioma surgery. J Neurosurg. 2015 Sep;123(3):771-80. doi: 10.3171/2014.12.JNS14391. Epub 2015 Jul 3.
Study record dates
Study Major Dates
Study Start
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- D12090
- R01NS052274-01A2 (U.S. NIH Grant/Contract)
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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