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An Analysis of the Response of Human Tumor Microvascular Endothelium to Ionizing Radiation
This study is currently recruiting participants.
Verified by Memorial Sloan-Kettering Cancer Center, November 2008
Sponsors and Collaborators: Memorial Sloan-Kettering Cancer Center
National Cancer Institute (NCI)
Information provided by: Memorial Sloan-Kettering Cancer Center
ClinicalTrials.gov Identifier: NCT00132704
  Purpose

Doctors will take some tissue from the tissue removed during surgery in order to study how the blood vessels of the tumor respond to radiation therapy. The tissue obtained will be used to determine how these tumor blood vessels respond to radiation therapy delivered to the tumor, after it has been removed. This radiation is delivered in the research lab. This research is being conducted in order to develop new methods to treat tumors by radiation therapy. No additional surgery will be performed to obtain these samples, and only materials that remain after all diagnostic testing has been completed will be used.


Condition Intervention Phase
Ovarian Neoplasms
Colorectal Neoplasms
Melanoma
Small Cell Lung Cancer
Liposarcoma
Radiation: Ionizing radiation (IR) therapy
Radiation: Ionizing radiation (IR)
Phase III

Genetics Home Reference related topics: breast cancer
MedlinePlus related topics: Cancer Colorectal Cancer Lung Cancer Melanoma Ovarian Cancer
Drug Information available for: Radiation, ionizing Paraffin
U.S. FDA Resources
Study Type: Observational
Study Design: Cohort, Prospective
Official Title: An Analysis of the Response of Human Tumor Microvascular Endothelium to Ionizing Radiation

Further study details as provided by Memorial Sloan-Kettering Cancer Center:

Biospecimen Retention:   Samples With DNA

Biospecimen Description:

tissue


Estimated Enrollment: 150
Study Start Date: August 2004
Estimated Study Completion Date: August 2010
Estimated Primary Completion Date: August 2010 (Final data collection date for primary outcome measure)
Groups/Cohorts Assigned Interventions
A
The experiments in Group A will be conducted in order to determine if human tumor microvascular endothelium displays similar dose parameters as mouse tumor endothelium, and if the microvascular endothelium of tumors of different types behaves in a similar fashion in its response to IR.
Radiation: Ionizing radiation (IR) therapy
Tumors will be sliced into 0.5cm fragments, incubated in culture medium and then irradiated to evaluate the kinetics and dose-dependencies of the endothelial apoptotic response. We will irradiate tumor fragments ex vivo at 0, 7, 13, 15, 17, and 25 Gy.
B
The experiments in Group B will be conducted in order to determine if tumor endothelium isolated to near homogeneity demonstrates dose parameters similar to those used in single dose radiotherapy of brain tumors.
Radiation: Ionizing radiation (IR)
Tissue fragments of a total quantity of at least a 4x4x4 cm3 will be required. For each tumor a paraffin block will also be made for routine staining and IHC. Endothelial cell populations (at least 500 cells) will then be exposed to radiation at 0, 7, 11, 13, 15, 17, and 25 Gy and harvested at 4, 5 and 8 hours post IR.

Detailed Description:

The goal of this study is to determine if concepts established in mouse models of the tumor microvascular response to ionizing radiation (IR) therapy are applicable to human tumors in order to begin to establish that the engagement of the endothelial response is a valid target for IR in human tumors. A portion of tumor will be isolated from individuals who have signed informed consent for this protocol and are undergoing surgery on the Neurosurgery, Colorectal, and Gynecology, Head and Neck, Urology, and Hepatobiliary Services at Memorial Sloan-Kettering Cancer Center. Tumor tissue will be obtained from the surgical sample in pathology after adequate specimens have been obtained for diagnostic purposes. Tumor tissue will be irradiated ex vivo and the microvascular endothelial response will be determined. From specimens of adequate size, a pure tumor endothelial cell population will be isolated and the response to IR will be determined.

Primary Outcomes:

  • To determine if human tumor microvascular endothelium displays similar dose parameters as mouse tumor endothelium.

Secondary Outcomes:

  • To determine if tumor endothelium isolated to near homogeneity demonstrates dose parameters similar to those used in single dose radiotherapy of brain tumors.
  • To determine if the microvascular endothelium of tumors of different types behaves in a similar fashion in its response to IR.
  Eligibility

Ages Eligible for Study:   19 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population

undergoing surgery on the Neurosurgery, Hepatobiliary, Colorectal, Urology, Head and Neck, Gynecology, GMT and Thoracic Services at Memorial Sloan- Kettering Cancer Center.

Criteria

Inclusion Criteria:

  • Patients who are felt to have adequate tumor volume for these studies, at least a 2 x 2 x 2 cm3 tumor by physical exam, imaging studies or colonoscopy reports
  • Primary or recurrent tumors are eligible
  • Patients must be suitable candidates for surgery
  • Patients who have signed the informed consent

Exclusion Criteria:

  • Patients who are not considered suitable candidates for surgery
  • Patients who have received prior radiation therapy to the tumor being removed
  • Patients who have received chemotherapy within 6 months of tumor removal
  • Patients who are pregnant
  • Patients may choose to be excluded at any time
  • Minors are excluded from this study because there are expected to be very few minors with the tumor types which the investigators are evaluating in this study
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00132704

Contacts
Contact: Michael Zelefsky, M.D. 212-639-6802 zelefskm@mskcc.org
Contact: James Eastham, MD easthamj@mskcc.org

Locations
United States, New York
Memorial Sloan-Kettering Cancer Center Recruiting
New York, New York, United States, 10021
Sponsors and Collaborators
Memorial Sloan-Kettering Cancer Center
Investigators
Principal Investigator: Michael Zelefsky, M.D. Memorial Sloan-Kettering Cancer Center
  More Information

(Memorial Sloan-Kettering Cancer Center)  This link exits the ClinicalTrials.gov site

Responsible Party: Memorial Sloan Kettering Cancer Center ( Michael Zelefsky, MD )
Study ID Numbers: 04-109
Study First Received: August 18, 2005
Last Updated: November 6, 2008
ClinicalTrials.gov Identifier: NCT00132704  
Health Authority: United States: Institutional Review Board

Keywords provided by Memorial Sloan-Kettering Cancer Center:
Lung cancer metastases to the CNS (adenocarcinomas)
Melanoma metastases to the CNS
Breast cancer metastases to the CNS (ductal carcinomas)
Central nervous system gliomas
Colorectal cancers (adenocarcinomas)
Ovarian cancers (papillary serous carcinomas)
Endometrial cancers (endometrioid carcinomas)
Cervical cancers (squamous cell carcinomas)
Sarcomas (liposarcomas and leiomyosarcomas)
Thoracic mesotheliomas
Colorectal cancers metastatic to the liver
Primary adenocarcinomas of the lung
Primary squamous cell carcinomas of the lung
Pancreatic Cancers-adenocarcinoma

Study placed in the following topic categories:
Thoracic Neoplasms
Pancreatic Neoplasms
Malignant mesenchymal tumor
Colonic Diseases
Urogenital Neoplasms
Carcinoma, Endometrioid
Rectal Diseases
Neoplasms, Connective and Soft Tissue
Lung Neoplasms
Neoplasm Metastasis
Neuroepithelioma
Glioma
Endocrine Gland Neoplasms
Digestive System Neoplasms
Genital Neoplasms, Female
Breast Neoplasms
Endocrine System Diseases
Carcinoma
Carcinoma, Small Cell
Neuroectodermal Tumors
Liposarcoma
Lung Diseases
Sarcoma
Gastrointestinal Neoplasms
Nevus
Carcinoma, Squamous Cell
Neoplasms, Glandular and Epithelial
Cystadenocarcinoma, Serous
Carcinoma, Neuroendocrine
Gastrointestinal Diseases

Additional relevant MeSH terms:
Respiratory Tract Neoplasms
Neoplasms
Neoplasms by Histologic Type
Neoplasms by Site
Neoplasms, Nerve Tissue
Nevi and Melanomas
Adnexal Diseases
Neoplasms, Adipose Tissue

ClinicalTrials.gov processed this record on January 14, 2009