- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01752257
EF5 in Melanoma Patients
March 6, 2015 updated by: Douglas Tyler
Pilot Study to Characterize the HRHV Axis in the Microenvironment of Melanoma in Patients Undergoing Isolated Limb Infusion or Hypothermic Isolated Limb Perfusion With Melphalan
The purpose of this pilot study is to determine the prevalence of markers of chronic and cycling hypoxia and reactive species stress (oxidative and nitrosative) in the melanoma tumor microenvironment.
The study is based around four cornerstone features of the pathologic microenvironment - Hypoxia, Reactive Species (reactive oxygen and nitrogen species), HIF-1 and VEGF, which the investigators term the HRHV axis.
Patients with in-transit melanoma (AJCC Stage IIIB or IIIC) (1) will be administered the hypoxia marker drug, EF5, 24 hr prior to isolated limb infusion (ILI) or hyperthermic isolated limb perfusion (HILP).
Tumor biopsies will be performed just prior to ILI or HILP, at the 30 minute time point during ILI (or 60 minute time point during HILP), AND 24 hours after ILI or HILP.
Tissues obtained will be snap frozen and subsequently analyzed for EF5 binding.
Immunohistochemical analysis of a cohort of immunohistochemical and urine markers that depict the HRHV axis will also be examined.
The association of the markers with the presence of hypoxia, as determined by EF5 positivity, will be determined.
Data from this pilot study will be used to establish the prevalence of markers of the HRHV axis in melanoma.
This information will be crucial for future human trials in which the HRHV axis is therapeutically targeted.
Study Overview
Study Type
Interventional
Enrollment (Actual)
15
Phase
- Phase 1
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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North Carolina
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Durham, North Carolina, United States, 27705
- Duke University Medical Center
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Description
3.1. Inclusion criteria
- Histologically confirmed AJCC Stage IIIB/IIIC/IV extremity melanoma who are undergoing ILI or HILP and have tumor available for biopsy (NOTE: patients with only 1 in-transit lesion are NOT eligible)
- Age ≥18
- KPS status ≥ 70
- Bilirubin ≤ 1.5x normal
- Creatinine ≤ 1.8 ( -EF5 is primarily excreted via the kidney)
- WBC > 3000/mm3 and platelets > 100,000/mm3
3.2. Exclusion criteria
- Pregnancy or breast feeding. A negative serum pregnancy test is required of any women childbearing potential prior to enrollment. Pregnant women are excluded from this study because EF5 is an agent with potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother with EF5, breastfeeding should be discontinued if the mother is given EF5.
- Allergy to IV contrast dye
- History of grade III or IV peripheral neuropathy as defined by the NCI CTC (other 2-nitroimidazole compounds are neurotoxic)
- Previous history of any malignancy treated with radiotherapy and/or chemohormonal therapy
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: EF5 Hypoxia
EF5 administered at 21mg/kg
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EF5 is a dye used to measure hypoxia
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Spatial comparison between marker proteins and hypoxia.
Time Frame: 2 years
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We will describe the distribution of the markers at each of the three time points with boxplots and means (with 80% confidence intervals).
The variance of each marker will be partitioned into three parts: variance due to the time (i.e., treatment) effect, variance among patients, and error variance.
This calculation can easily be done by fitting a general linear model in which marker is regressed on an n-1 degree of freedom patient effect (where n is the number of patients) and a 2 degree of freedom time effect.
The error variance with 2*(n-1) degrees of freedom is of course equal to the variance of the interaction of patient with time.
Obviously, we would hope to find that the variance for the time effect is larger than either of the other two variances.
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2 years
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Douglas Tyler, MD, DUMC
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
July 1, 2012
Primary Completion (Actual)
August 1, 2014
Study Completion (Actual)
August 1, 2014
Study Registration Dates
First Submitted
October 17, 2012
First Submitted That Met QC Criteria
December 14, 2012
First Posted (Estimate)
December 19, 2012
Study Record Updates
Last Update Posted (Estimate)
March 9, 2015
Last Update Submitted That Met QC Criteria
March 6, 2015
Last Verified
March 1, 2015
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- Pro00033938
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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