Clinical Trials Directory

Trials / Completed

CompletedNCT00460356

Glycoprotein and Glycan in Tissue and Blood Samples of Patients With Stage IB-IVA Cervical Cancer Undergoing Surgery to Remove Pelvic and Abdominal Lymph Nodes

Glycoprotein and Glycan Profiling in Patients With Locally Advanced Cervical Cancer (Stage IB2, IIA > 4 CM, IIB to IVA) Undergoing Pelvic and Para-aortic (Abdominal) Lymphadenectomy

Status
Completed
Phase
—
Study type
Observational
Enrollment
159 (actual)
Sponsor
Gynecologic Oncology Group · Network
Sex
Female
Age
18 Years
Healthy volunteers
Not accepted

Summary

This clinical trial studies glycoprotein and glycan in tissue and blood samples of patients with stage IB-IVA cervical cancer undergoing surgery to remove pelvic and abdominal lymph nodes. Studying samples of tumor tissue and blood from patients with cancer in the laboratory may help doctors learn more about changes that occur in deoxyribonucleic acid (DNA) and identify biomarkers related to cancer. It may also help doctors learn how far the disease has spread.

Detailed description

PRIMARY OBJECTIVE: I. Determine whether the presence of a mutation in T-synthase or Cosmc and/or the presence of positive immunohistochemical expression of Tn antigen or sialyl Tn antigen in tumor specimens is associated with progression-free or overall survival in patients with stage IB2, II, III, or IVA cervical cancer undergoing pelvic and para-aortic (abdominal) lymphadenectomy. SECONDARY OBJECTIVES: I. Determine whether the presence of a mutation in T-synthase or Cosmc and/or the presence of positive immunohistochemical expression of Tn antigen or sialyl Tn antigen in tumor specimens is associated with lymph node metastasis or local control. II. Identify a glycoprotein profile from a customized gene expression array analysis in tumor specimens or a glycan profile from a customized glycan array in serum that is associated with lymph node metastasis, local control, disease recurrence/progression, or survival. III. Determine whether differences exist in T-synthase or Cosmc mutations, the immunohistochemical expression of Tn antigen or sialyl Tn antigen, and glycoprotein profiling (using customized gene expression array analysis) in matched primary tumor compared with metastatic lymph nodes that are associated with lymph node metastasis, local control, disease recurrence/progression, or survival. IV. Identify differences in glycoprotein expression profiling and glycan profiling in tumor specimens with or without a mutation in T-synthase or Cosmc, or in tumor specimens with or without positive immunohistochemical expression of Tn antigen or sialyl Tn antigen that are associated with lymph node metastasis, local control, disease recurrence/progression, or survival. OUTLINE: Primary and metastatic tumor specimens are collected during lymphadenectomy and used for tissue microarray analysis, mutational analysis of T-synthase and Cosmc, immunohistochemical staining of Tn antigen and sialyl Tn antigen, and customized gene expression array analysis of 400 genes associated with glycobiology. Pre-lymphadenectomy blood is collected from patients at baseline for customized glycan array analysis of 300 carbohydrates. After completion of study treatment, patients are followed up every 3 months for 2 years and then every 6 months for 3 years.

Conditions

Interventions

TypeNameDescription
OTHERLaboratory Biomarker AnalysisCorrelative studies
PROCEDURELymphadenectomyUndergo lymphadenectomy

Timeline

Start date
2007-04-02
Primary completion
2016-07-16
Completion
2016-07-16
First posted
2007-04-13
Last updated
2017-08-24

Locations

18 sites across 1 country: United States

Source: ClinicalTrials.gov record NCT00460356. Inclusion in this directory is not an endorsement.