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5-ALA in Recurrent Glioma

Study Purpose

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.

Recruitment Criteria

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

Accepts Healthy Volunteers

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.

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

Inclusion Criteria - Presumed recurrent glioma - Age > 18 years - Normal bone marrow function (WBC > 3000, Platelets > 100,000) Exclusion Criteria - Pregnancy - History of photosensitivity, porphyria, or exfoliative dermatitis - Hepatic dysfunction in the last 12 months [defined by aspartate aminotransferase(AST), alanine aminotransferase (ALT) , alkaline phosphatase (ALP) , bilirubin > 2.5 x normal] - Serum creatinine > 180 µmol/L - Estimated Glomerular Filtration Rate (eGFR)< 60 ml/min/1.73m2 - Inability to undergo MRI with contrast

Trial Details

This trial id was obtained from, 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.

Trial ID:

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.


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

Lead Sponsor
St. Joseph's Hospital and Medical Center, Phoenix

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

Principal Investigator
Nader Sanai, MD
Principal Investigator Affiliation Barrow Neurosurgical Associates

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

Agency Class
Overall Status Recruiting
Countries United States

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

Additional Details

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.

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Phoenix, Arizona




Barrow Neurological Institute at St. Joseph's Hospital and Medical Center

Phoenix, Arizona, 85013

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