Glioma Clinical Trial - 5-ALA in Recurrent Glioma

Status Recruiting

Clinical Trial Summary

The investigators propose a single-center, non-randomized, single-arm study at the Barrow Neurological Institute/St. Joseph's Hospital for recurrent glioma. The 5-ALA for recurrent glioma study will correlate presence of fluorescence in tumor tissue with pathological findings. This will be done using three cohorts in dose escalation. The investigators' hypothesis is that (for both low- and high-grade gliomas,) a lower dose of 5-ALA will result in less false positive fluorescence.

Clinical Trial Description

The goal is to determine the dose of 5-ALA which promotes the lowest volume of residual disease after resection of recurrent high grade glioma without compromising the demarcation between recurrent high grade glioma and postoperative bed normal tissue.

Sub-goals:

1. To determine the impact of the dose of 5-ALA in improving volumetric extent of resection in patients with recurrent high grade gliomas

2. To determine the impact of the dose of 5-ALA in improving overall survival of recurrent high grade glioma patients

3. To determine the impact of the dose of 5-ALA in improving progression-free survival of recurrent high grade glioma patients

4. To determine the impact of the dose of 5-ALA on the neurological morbidity of recurrent high grade glioma patients.

Patients with presumed recurrent glioma will be entered into the trial. Those with recurrent disease will receive study drug (5-ALA) in one of three dose-escalated cohorts (5 mg/kg; 10 mg/kg; 20 mg/kg). Intraoperatively, patients will undergo resection with combined fluorescence microscopy and confocal microscopy. Resected tissue specimens corresponding to the presence of fluorescence will be sent to pathology for examination. Postoperatively, patients will have an MRI with and without contrast within 48 hours of surgery. Subsequent analysis of each patient will include assessment of the primary endpoint (volume of residual disease) by volumetrically quantifying the tumor before and after surgery using T1-weighted contrast-enhancement. Similarly, volumetric extent of resection will also be measured. ;

Study Design

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Diagnostic

Related Conditions & MeSH terms

Glioma

Clinical Trial Details

NCT number	NCT02119338
Study type	Interventional
Source	St. Joseph's Hospital and Medical Center, Phoenix
Contact	Nader Sanai, MD
Phone	602-406-3770
Email	Nader.Sanai@bnaneuro.net
Status	Recruiting
Phase	N/A
Start date	February 2014
Completion date	September 2017

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.