- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01591109
A Reversal in the Vascularity of Metastatic Liver Tumors From Colorectal Cancer After the Cessation of Anti-VEGF Therapy
A Reversal in the Vascularity of Metastatic Liver Tumors in Patients With Colorectal Cancer After the Cessation of Anti-VEGF Therapy: A Study Using Contrast-enhanced Ultrasonography and Histological Techniques.
Objective: To assess the effect of bevacizumab on tumor vessels, and the reversibility of the effect, using contrast-enhanced ultrasonography (CEUS) and histology in patients with metastatic liver tumors derived from colorectal cancer.
Background Data: Direct evidence on the reversibility of any change in tumor vascularity upon bevacizumab cessation in the clinical setting is lacking.
Methods: The study included 10 patients who received chemotherapy including bevacizumab, experienced a reduction in tumor vascularity as demonstrated by CEUS and consequently underwent liver resection. CEUS was performed before and immediately after 4 courses of chemotherapy and one day before surgery. The number of microvessels highlighted by anti-CD34 antibody in the viable tumor tissue was counted to quantify the microvessel density (MVD). As a control, 10 surgical specimens from 10 patients who had not received chemotherapy were examined.
Study Overview
Status
Conditions
Study Type
Enrollment (Actual)
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- patients who received chemotherapy (FOLFOX) including bevacizumab. The patients had an associated reduction in tumor vascularity as estimated by ultrasonography and consequently underwent surgical resection of the metastatic liver tumors for curative purposes.
Exclusion Criteria:
- none
Study Plan
How is the study designed?
Design Details
- Time Perspectives: Retrospective
Cohorts and Interventions
Group / Cohort |
---|
Bevacizumab including chemotherapy
Patients treated with bevacizumab including chemotherapy for metastatic liver tumor derived from colorectal cancer before metastasectomy.
|
no adjuvant chemotherapy
Patients with no adjuvant chemotherapy including bevacizumab
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 24-1
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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