Liquid Biopsies in Esophageal Cancer

Status Recruiting

Clinical Trial Summary

Purpose of this study is to determine the value of liquid biopsies, e.g. testing of minimal residual disease (MRD) by using liquid biopsies to measure circulating tumour DNA (ctDNA) at diagnosis and during the multimodal and multidisciplinary curative-intent treatment of resectable esophageal cancer.

Clinical Trial Description

Multicentric, retrospective and prospective components. Retrospective collection of leftover tissue from standard of care biopsies or resection specimens and prospective collection of additional blood samples for study-specific analyses at specific timepoints, at the same time as routine labs are foreseen. No additional venipunctures are expected. Three distinct patient groups are defined, depending on the therapeutic scenario patients undertake: Scenario 1: primary resection then follow-up - Study-specific liquid biopsies will be collected in 98 patients, at the time of routine labs. Samples will be acquired before resection, at 6-8 weeks, 6 and 12 months after resection. Scenario 2: chemoradiation followed by resection and follow-up - Study-specific liquid biopsies will be collected in 50 patients. Samples will be acquired before the start of chemoradiation, before surgery, 6-8 weeks, 6 and 12 months after surgery. A subgroup of patients will undertake adjuvant immunotherapy and will constitute Group 3. Timing of sampling will be adjusted accordingly as per study flowcharts. Scenario 3: chemoradiation followed by resection followed by adjuvant immunotherapy - Study-specific liquid biopsies will be collected in 100 patients. Samples will be acquired before the start of chemoradiation, before surgery, 6-8 weeks after surgery and during adjuvant immunotherapy every 3 months including a sample at the end of treatment. Patient management is standard of care. No investigational medicinal product (IMP) is involved. Specific clinicopathological variables will be collected in a RedCap electronic Case Report Form and analysed as per statistical analysis plan. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05704530
Study type	Interventional
Source	Universitaire Ziekenhuizen KU Leuven
Contact	Jeroen Dekervel, MD
Phone	016344225
Email	jeroen.dekervel@uzleuven.be
Status	Recruiting
Phase	N/A
Start date	March 29, 2023
Completion date	December 31, 2026

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.