Temporal Variation in Exhaled Volatile Organic Compounds in Esophageal Cancer Patients

August 25, 2024 updated by: Benaroya Research Institute

Temporal Variation in Exhaled Volatile Organic Compounds in Response to Therapeutic Intervention in Esophageal Cancer Patients

The purpose of this study is to investigate whether exhaled breath can be used to detect and monitor esophageal cancer.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Esophageal cancer ("EG cancer") affects over half a millions people worldwide every year. Early esophageal cancer typically has non-specific symptoms that are often mistaken for benign (non-cancer) conditions. As a result, patients are often referred for further investigations only when they have more prominent symptoms that are typically associated with advanced incurable disease. As a consequence, 7 out of 10 new cases of EG cancer diagnosed are considered to be at an advanced stage, with less than 1 in 3 patients eligible for potentially curative therapy. Better ways of diagnosing esophageal cancer earlier are therefore needed. An ideal test for esophageal cancer would be non-invasive, simple to administer in the community, and cost effective.

The investigators' approach to this clinical challenge is to establish a non-invasive test for the detection of esophageal cancer that is based upon the unique signature of small molecules within exhaled breath. In this study that is being conducted in collaboration with researchers in the United Kingdom (UK), the investigators would like to measure the levels of these small molecules within the breath of patients with esophageal cancer at different times during their treatment: (i) at diagnosis; (ii) after chemoradiotherapy, and; (iii) after surgery. By studying how the small molecules contained within the breath change as a result of esophageal cancer and its treatment, the investigators hope to learn new information that can help develop a new test for this disease.

The investigators will also measure the small molecules within saliva and urine samples collected at the same time as breath in order to study if there are any important differences between these three samples. The investigators will also attempt to measure different bacteria

Study Type

Interventional

Enrollment (Actual)

46

Phase

  • Not Applicable

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

      • London, United Kingdom, W2 1NY
        • Imperial College London
    • Washington
      • Seattle, Washington, United States, 98101
        • Virginia Mason Medical Center

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

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  • Aged 18-90 years
  • Newly-diagnosed, treatment naïve patients with esophageal and/or gastroesophageal junctional cancer
  • Planning to undergo curative treatment, including neoadjuvant chemoradiotherapy and surgical resection

Exclusion Criteria:

  • Pregnant females
  • Without malignant esophageal disease
  • Malignancy at a secondary site other than the esophagus
  • Undergoing palliative treatment for esophageal cancer
  • Not receiving neoadjuvant chemoradiotherapy and surgical resection for esophageal cancer
  • Inability or unwillingness to provide written informed consent

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: Investigate whether exhaled breath can be used to detect and monitor esophageal cancer.
The procedures will include collecting participant's personal information and samples of participant's exhaled breath, urine, and saliva.
To determine longitudinal variation in exhaled VOC concentrations during intended curative therapy for EC cancer.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Exhaled breath and urinary VOC concentrations as biomarkers of esophageal cancer
Time Frame: Before commencing treatment for esophageal cancer
The composition and concentration of volitile organic compounds (VOC) in exhaled breath and urinary samples will be assessed to establish a VOC signature of esophogeal cancer
Before commencing treatment for esophageal cancer

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Changes in VOC concentrations that occur in response to therapeutic intervention
Time Frame: (i) Before commencing treatment for esophageal cancer, (ii) About 4 - 6 weeks after neoadjuvant therapy, (iii) About 3 - 5 days after surgical resection (but before hospital discharge), (iv) At routine follow up (6 - 12 months after surgery)
VOC concentrations in exhaled breath and urinary samples will be assessed longitudinally to assess how VOC concentrations change in response to therapeutic intervention
(i) Before commencing treatment for esophageal cancer, (ii) About 4 - 6 weeks after neoadjuvant therapy, (iii) About 3 - 5 days after surgical resection (but before hospital discharge), (iv) At routine follow up (6 - 12 months after surgery)
Linkage of longitudinal VOC data to predominant upper gastrointestinal bacterial species
Time Frame: (i) Before commencing treatment for esophageal cancer, (ii) About 4 - 6 weeks after neoadjuvant therapy, (iii) About 3 - 5 days after surgical resection (but before hospital discharge), (iv) At routine follow up (6 - 12 months after surgery)
Bacterial RNA will be extracted from saliva samples to identify bacterial composition. Bacterial composition will then be correlated with breath and urinary VOC levels
(i) Before commencing treatment for esophageal cancer, (ii) About 4 - 6 weeks after neoadjuvant therapy, (iii) About 3 - 5 days after surgical resection (but before hospital discharge), (iv) At routine follow up (6 - 12 months after surgery)
Patient acceptability of breath test
Time Frame: Before commencing treatment for esophogeal cancer
Study subjects will be asked to complete a short survey designed to assess their understanding and opinions regarding breath testing
Before commencing treatment for esophogeal cancer

Collaborators and Investigators

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

Collaborators

Investigators

  • Principal Investigator: Donald E Low, MD, Virginia Mason Medical Center

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

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)

December 1, 2019

Primary Completion (Actual)

November 30, 2023

Study Completion (Actual)

November 30, 2023

Study Registration Dates

First Submitted

March 11, 2024

First Submitted That Met QC Criteria

June 10, 2024

First Posted (Actual)

June 12, 2024

Study Record Updates

Last Update Posted (Actual)

August 27, 2024

Last Update Submitted That Met QC Criteria

August 25, 2024

Last Verified

August 1, 2024

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

IPD is not required for analysis. Study ID used to represent study participants.

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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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