Biomarker Analysis in Metastatic Colorectal Cancer Treated With Cetuximab

February 20, 2017 updated by: Joon Oh Park, Samsung Medical Center

Prometheus's Onco dX assay platform provides technological breakthrough for immunoassay by obtaining a level of sensitivity down to single tumor cells without compromising specificity. This allows assessment of multiple TKI treatment targets, their activation status, as well as down stream signaling proteins using very tiny amount of tissue that can be obtained by FNA or CTCs.

We planned this study to explore biomarkers predictive of clinical response to cetuximab-based treatment in metastatic colorectal cancer using the Prometheus Platform. We will also elucidate signal transduction pathway attributable to cetuximab resistance, monitor changes in the RTK activation status during cetuximab treatment using circulating tumor cells and analyze correlation between the quantity of circulating tumor cells and treatment response to cetuximab.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
30

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

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

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

colorectal cancer patients who are treated with cetuximab

Description

Inclusion Criteria:

  • Patients with histologically confirmed metastatic colorectal cancer
  • Cetuximab-based chemotherapy (monotherapy, combination therapy with cytotoxic chemotherapy such as FOLFOX, XELOX, irinotecan, FOLFIRI, XELIRI, first-line, second-line or third-line are all eligible)
  • Age > 18 years.
  • ECOG Performance Status of 0-2
  • Adequate bone marrow, liver and renal function
  • Signed and dated informed consent before the start of specific protocol procedures.
  • FNA will be performed in patients with feasible biopsy site; ascites or pleural fluid will be collected in metastatic CRC patients with ascites or pleural effusion

Exclusion Criteria:

  • Active clinically serious infections (> grade 2 CTCAE version 3.0)
  • Patients with evidence or history of bleeding diathesis
  • Radiotherapy during study or within 4 weeks of start of study drug.
  • Prior exposure to the study drug.
  • Substance abuse, medical, psychological or social conditions that may interfere with the patient's participation in the study or evaluation of the study results

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

  • Observational Models: Cohort
  • Time Perspectives: Prospective

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
To explore biomarkers predictive of clinical response to cetuximab-based treatment in metastatic colorectal cancer using the Prometheus Platform
Time Frame: at Screening (Day - 21 ~ 0 ), at 4 weeks and average 6months(end of treatment)
A. To analyze expression and activation status of receptor tyrosine kinases in signal transduction pathways in FNA samples and circulating tumor cells B. To identify negative predictive markers to cetuximab
at Screening (Day - 21 ~ 0 ), at 4 weeks and average 6months(end of treatment)

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
1. RTK activation status during cetuximab treatment using circulating tumor cells
Time Frame: at Screening (Day - 21 ~ 0 ), at 4 weeks and average 6months(end of treatment)
at Screening (Day - 21 ~ 0 ), at 4 weeks and average 6months(end of treatment)
2. signal transduction pathway attributable to cetuximab resistance
Time Frame: at Screening (Day - 21 ~ 0 ), at 4 weeks and EOT (end of treatment)
at Screening (Day - 21 ~ 0 ), at 4 weeks and EOT (end of treatment)
3. To analyze correlation between the quantity of circulating tumor cells and treatment response to cetuximab
Time Frame: at Screening (Day - 21 ~ 0 ), at 4 weeks and average 6months (end of treatment)
at Screening (Day - 21 ~ 0 ), at 4 weeks and average 6months (end of treatment)

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Samsung Medical Center

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 (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
February 1, 2010

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
January 1, 2015

Study Completion (Actual)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
August 26, 2015

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
September 5, 2013

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
January 5, 2014

First Posted (Estimate)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
January 7, 2014

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
February 23, 2017

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
February 20, 2017

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
February 1, 2017

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 2009-09-074

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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