- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06361043
Conebeam CT-based Online Adaptive Radio-Therapy for Esophageal Cancer (ARTEC) (ARTEC)
Study Overview
Status
Conditions
Detailed Description
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Hossein Hemmatazad, MD
- Phone Number: +41 31 632 26 32
- Email: Hossein.Hemmatazad@insel.ch
Study Contact Backup
- Name: Timo Nannen
- Phone Number: +41 31 632 90 74
- Email: timo.nannen@insel.ch
Study Locations
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Berne, Switzerland, 3010
- Recruiting
- Inselspital, University of Berne, Deparftment of Radio-Oncology
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Contact:
- Timo Nannen
- Phone Number: +41 31 632 90 74
- Email: timo.nannen@insel.ch
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Contact:
- Hossein Hammatazad, MD
- Phone Number: +41 31 632 26 32
- Email: hossein.hemmatazad@insel.ch
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Written informed consent
- Histologically confirmed diagnosis of AC (Adenocarcinoma) or SCC (squamos cell carcinoma) of the thoracic esophagus or gastroesophageal junction (Siewert I-II)
- Patients with cT2-4b cN0 cM0 or cTany cN+ cM0 or any patient with early stage EC ineligible for upfront surgery
- Age >= 18 years old
- Karnofsky Performance Status (KPS) >= 70 or ECOG (Eastern Cooperative Oncology Group) 0 - 1
- Absence of any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule; those conditions should be discussed with patients before registration in the trial
Exclusion Criteria:
- Cervical esophageal cancers (15-18 cm from the incisors)
- Definitive clinical or radiologic evidence of metastatic disease
- Any active malignancy within 2 years of study registration that may alter the course of esophageal cancer treatment
- Prior thoracic radiotherapy that would result in overlap of radiation therapy fields
- Induction chemotherapy for the current malignancy prior to RCHT is allowed if last dose is no more than 90 days and no less than 10 days prior to registration
- Pregnant and/or breast-feeding females
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of patients with pulmonary toxicity
Time Frame: Up to 12 months after RCT
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The primary endpoint of this prospective study is pulmonary toxicity after concurrent radio-chemotherapy for patients with esophageal cancer treated with ART.
According to literature, around 10 - 25%- of EC patients experience radiation induced pulmonary complications (RIPC) after combined radio-chemotherapy.
However, the high rates of toxicity (up to 25%) were seen in patients irradiated with old RT techniques, such as 3D-CRT (Conformal Radiotherapy).
New data, using modern RT, show much less pulmonary toxicity (10%).
RIPC includes mostly radiation pneumonitis, radiation pulmonary fibrosis and pleural effusion .
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Up to 12 months after RCT
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of patients with pathological complete response
Time Frame: Directly after surgery up to two weeks
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A pathological complete response (pCR) is defined as the lack of all signs of cancer in tissue samples removed during surgery or biopsy after treatment with RCHT.
To find out if there is a pCR, a pathologist checks the tissue samples to see if there are still cancer cells left after the anticancer treatment.
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Directly after surgery up to two weeks
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Dosimetrical analysis between scheduled and adaptive plans
Time Frame: Directly after radiotherapy up to two weeks
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Dosimetrical analysis between scheduled and adaptive plans. We set the dosimetric goals for target volumes and OARs as follows:
"Mean Dose to the heart should be less than 18Gy "Mean dose to the liver should be less than 18Gy All these values will be extracted from treatment planning system (TPS) for both adaptive and scheduled plans. Comparing these two data sets, we will demonstrate if patients profited from OART from dosimetrical point of view |
Directly after radiotherapy up to two weeks
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Collaborators and Investigators
Investigators
- Study Chair: Hossein Hemmatazad, MD, Inselspital Bern, Department of Radio-Oncology
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2023-01833
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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