- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03416972
Detecting Radiation-Induced Cardiac Toxicity After Non-Small Cell Lung Cancer Radiotherapy (RICT-LUNG)
January 24, 2018 updated by: Lawson Health Research Institute
Identification of Acute Radiation-induced Cardiac Toxicity After Non-small Cell Lung Cancer Radiotherapy With Advanced Multi-modality Imaging (RICT-LUNG)
Lung cancer is the most common cause of cancer death in Canada.
For approximately 30% of patients that present with locally-advanced non-small cell lung cancer (NSCLC), the standard treatment is curative-intent concurrent chemoradiotherapy.
Outcomes remain poor, with 5-year survival of only 20%.
Despite the long-held belief that higher radiation doses lead to improved overall survival (OS), the landmark randomized trial (RTOG 0617) showed the opposite.
The investigators hypothesize that the inferior survival observed may be due to unexpected heart toxicity as secondary analysis revealed that the heart dose was a strong predictor of inferior OS.
Up to now, change in heart function is typically detected histologically, requiring autopsy tissue.
Therefore, a non-invasive marker of early heart damage is required.
Hybrid PET-MRI has become available in Canada only recently.
The ability to simultaneously perform metabolic imaging with functional and tissue imaging allows for novel assessment of heart toxicity.
The primary objective is to examine the utility of hybrid PET-MRI and DCE-CT to assess acute changes in heart function and to measure inflammation before, and six weeks after NSCLC radiotherapy.
A pilot of 20 patients with Stage I-III NSCLC will be enrolled.
The findings of this study will aid in the design of new studies to reassess dose escalation for locally advanced NSCLC while limiting the risk of heart toxicity.
FDG PET will be used to simultaneously assess both cardiac inflammation and tumour response.
Quantitative DCE-CT will also be used to measure ventilation and perfusion changes in the normal lung and tumour after radiotherapy, providing image data that can comprehensively assess both tumour response and potential toxicity in both the heart and lungs.
Such information is crucial in understanding the disease and its response to treatment.
This data will also aid in the design of radiation techniques that spare the heart in other patients with any thoracic malignancies, including breast cancer, lymphoma, and esophageal cancer.
Study Overview
Status
Unknown
Conditions
Intervention / Treatment
Detailed Description
The investigators propose a longitudinal imaging pilot study composed of 20 Stage I-III NSCLC patients before, and six weeks after standard radiotherapy using a hybrid 3T-PET/MRI system (Biograph mMR, Siemens Healthcare) and a GE Revolution 256-slice CT scanner.
The imaging protocol is designed to detect acute changes in myocardial perfusion, inflammation, edema, left ventricular ejection fraction, normal lung and tumour perfusion, and tumour metabolism.
During each imaging session, patients will receive an 18F-FDG PET scan to image macrophage-related inflammation and tumour metabolism, MRI to identify edema, mature fibrosis or scar, and Dynamic contrast enhanced CT (DCE-CT) imaging to image perfusion and (LVEF).
All images will be fused and rendered with radiation treatment planning dose distributions.
Parameters such as Standard Uptake Value (SUV) will be used to compare PET scans, while heart volume and presence of Gadolinium enhancement will be used to compare MRI scans.
Blood flow, blood volume, and permeability will be used to compare CT scans.
Blood tests including Erythrocyte Sedimentation Rate (ESR), high sensitivity C-reactive protein, and troponin at each timepoint will also be performed to detect cardiac inflammation.
Comparisons between Stage I/II and Stage III patients will allow us to determine whether our metrics for heart changes is radiation related.
Relative differences from the six-week time point to baseline will be correlated with the radiation dose distribution to attempt to define a dose-response relationship between radiation dose and cardiac toxicity.
Study Type
Observational
Enrollment (Anticipated)
20
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: Stewart Gaede, PhD
- Phone Number: 53144 519-685-8600
- Email: stewart.gaede@lhsc.on.ca
Study Contact Backup
- Name: Anne O'Connell
- Phone Number: 58623 519-685-8500
- Email: anne.oconnell@lhsc.on.ca
Study Locations
-
-
Ontario
-
London, Ontario, Canada, N6C 2R5
- Recruiting
- Lawson Health Research Institute
-
Contact:
- James Sinfield
- Phone Number: 53349 519-685-8500
- Email: james.sinfield@lhsc.on.ca
-
Contact:
- Albert Gratton
- Phone Number: 53233 519-685-8500
- Email: albert.gratton@lhsc.on.ca
-
Principal Investigator:
- Stewart Gaede, PhD
-
-
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
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
No
Genders Eligible for Study
All
Sampling Method
Non-Probability Sample
Study Population
Ultimately, the sample size was based upon practical considerations and that 20 NSCLC patients (10 Stage I/II and 10 Stage III) could be accrued relatively easily from new patient clinics, while sufficiently providing enough evidence to validate the imaging techniques to be used as a non-invasive measure for future clinical trials aimed at reducing or mitigating radiation-induced cardiac toxicity.
Description
Inclusion Criteria:
- Age 18 or older
- Ability to provide informed consent
- Histologically confirmed carcinoma of the lung
- Stage I-III NSCLC
- Stage I-II patients to receive 54 Gy in 3 fractions, 55 Gy in 5 fractions, or 60 Gy in 8 fractions (treated every other day)
- Stage III patient to receive concurrent chemoradiation ( 60 Gy in 30 daily fractions)
- No prior RT to the thorax
- ECOG performance status 0-1 within one month of accrual
- Expected lifespan at least 1 year
- Negative pregnancy test within one month of accrual if woman is premenopausal
- Patient presented at multidisciplinary tumor board or quality-assurance rounds
- Satisfactory pulmonary function tests as determined by the treating radiation oncologist (ie. FEV1 >= 0.8 for Stage III NSCLC and no threshold for Stage I/II).
Exclusion Criteria:
- Patients receiving Prescription RT dose to anything other than LRCP standards for Stage I-III NSCLC.
- Prior history of atrial fibrillation
- Previous coronary bypass surgery
- Patients with severe reversible airways obstruction
- Patients with acute coronary syndrome (STEMI/non-STEMI and unstable angina)
- AV block without pacemaker
- Patients who are renal insufficient (eGFR <40)
- Patients with asthma
- Allergy to iodinated contrast for scans (study subject will be eligible for non-contrast scans)
- Use of metformin-containing products less than 24 hours prior to CT contrast administration
- Other contraindications to iodinated contrast media as determined by the research team.
- Allergy to gadolinium for scans using contrast; will be eligible for non-contrast scans.
- Other contraindications to gadolinium contrast media as determined by the research team.
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
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Stage I-III NSCLC patients
Stage I/II NSCLC patients receiving standard stereotactic body radiation therapy and Stage III patients receiving Standard platinum-based chemoradiotherapy will receive PET/MRI, DCE-CT, ECG/EKG, and bloodwork before and six weeks post treatment.
|
Stage III patients: Standard platinum-based chemotherapy, total radiation dose 60 Gy in 30 fractions.
Stage I/II patients: Standard radiotherapy, total radiation dose of 54 Gy in 3 fractions (peripheral), 55 Gy in 5 fractions (near chest wall), or 60 Gy in 8 fractions (central).
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Detection of Imaging Biomarkers of acute cardiac inflammation
Time Frame: 6 weeks
|
FDG-PET imaging to detect increase in cardiac inflammation compared to baseline with corresponding blood markers (Erythrocyte Sedimentation Rate (ESR), high sensitivity C-reactive protein, and troponin levels in blood (inflammation)).
|
6 weeks
|
Detection of Imaging Biomarkers of acute cardiac perfusion changes
Time Frame: 6 weeks
|
DCE-CT imaging to detect changes in acute cardiac perfusion changes compared to baseline.
|
6 weeks
|
Detection of Imaging Biomarkers of acute changes in Left-ventricular ejection fraction (LVEF)
Time Frame: 6 weeks
|
Contrast-enhanced CT imaging to detect acute changes in LVEF compared to baseline.
|
6 weeks
|
Detection of cardiac fibrosis
Time Frame: 6 weeks
|
Gadolinium Enhanced MR imaging to detect cardiac fibrosis compared to baseline
|
6 weeks
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Tumour Response (metabolism)
Time Frame: 6 weeks
|
FDG-PET imaging to detect tumour metabolism changes compared to baseline.
|
6 weeks
|
Tumour Response (perfusion)
Time Frame: 6 weeks
|
DCE-CT imaging to detect changes in tumour perfusion compared to baseline
|
6 weeks
|
Acute Changes in Lung Ventilation
Time Frame: 6 weeks
|
4D-CT imaging to detect changes in lung ventilation compared to baseline
|
6 weeks
|
Acute Changes in Lung Perfusion
Time Frame: 6 weeks
|
DCE-CT imaging to detect changes in lung perfusion compared to baseline
|
6 weeks
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Stewart Gaede, PhD, Lawson Health Research Institute
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)
January 11, 2018
Primary Completion (Anticipated)
March 1, 2019
Study Completion (Anticipated)
March 1, 2020
Study Registration Dates
First Submitted
December 22, 2017
First Submitted That Met QC Criteria
January 24, 2018
First Posted (Actual)
January 31, 2018
Study Record Updates
Last Update Posted (Actual)
January 31, 2018
Last Update Submitted That Met QC Criteria
January 24, 2018
Last Verified
January 1, 2018
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Chemically-Induced Disorders
- Pathologic Processes
- Heart Diseases
- Cardiovascular Diseases
- Respiratory Tract Diseases
- Neoplasms
- Lung Diseases
- Neoplasms by Site
- Wounds and Injuries
- Respiratory Tract Neoplasms
- Thoracic Neoplasms
- Carcinoma, Bronchogenic
- Bronchial Neoplasms
- Drug-Related Side Effects and Adverse Reactions
- Radiation Injuries
- Lung Neoplasms
- Carcinoma, Non-Small-Cell Lung
- Cardiotoxicity
Other Study ID Numbers
- R-17-360
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
No
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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