- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04546282
Resistance to Oral Therapy in Lung Cancer (RESTKI)
Mechanisms of Resistance to 3rd Generation Thyrosine Kinase Inhibitors in Lung Cancer
In the management of non-small cell lung cancer of the adenocarcinoma type, different therapeutic strategies can be proposed. These strategies are defined according to the results of a biological analysis of blood and/or tissue samples from the lung tumor. Mutations in the tumor DNA are sought. Thus, patients with sensitizing mutations can benefit from a treatment with a 3rd generation tyroine kinase inhibitor (TKI) whose efficacy has been widely demonstrated. Patients without tumor mutations will not benefit. However, resistance to TKIs appears after a certain time, often linked to the appearance of new mutations in the tumor. For this reason, blood biologic analyses are regularly performed to search for the emergence of resistance mutations and to propose a therapeutic alternative as soon as possible.
These analyses are performed routinely in the laboratory. In the course of these analyses, the investigators have identified conventional mutations but also new mutations not previously described in the literature.
Our objective is to list all the molecular abnormalities revealed during blood biological analyses, to determine their frequency and to study whether certain abnormalities can be linked to resistance to TKI.
Study Overview
Status
Conditions
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
-
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Hérault
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Montpellier, Hérault, France, 34000
- University Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- advanced non-small cell lung cancer stage IIIB/IV
- Documentation of activating EGFR mutations (exon 19 deletions or exon 21 L858R substitution mutations) at the time of initial diagnosis
- Patient may receive up to one line of third EGFR TKI
- Plasma sample testing performed to detect EGFR TKI resistance
Exclusion Criteria:
- Patients have other concurrent cancers
- Patients who are not eligible receive TKI
Study Plan
How is the study designed?
Design Details
- Observational Models: Case-Control
- Time Perspectives: Retrospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Osimertinib treated patients
Patients with metastatic adenocarcinoma of the lung for whom a 3rd generation TKI therapy is proposed and a search for resistance mutation by blood analysis as part of the usual management.
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Description of the molecular alterations detected in blood samples of patients treated by osimertinib.
This test is usualyy performed routinely to detect conventional mutations including EGFR T790M.
We performed panel of genes screeining based on next generation sequencing.
Thius, iIn some cases, new mutations can be detected by this assay.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Description of the molecular alterations detected in patients treated with 3rd TKI and assessment link with progression free survival and overall survival features.
Time Frame: The analysis of the TKI effectiveness and the appearance of mutations will be performed over a period of 24 months.
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This retrospective study will collate the molecular alterations detected during routine analysis. The elements extracted from the file will be age, sex, type of tumor and clinical-histological characteristics, dates of diagnosis and start of treatment. In addition, information on the dates of appearance of resistances (radiographic or clinical) will also be provided. No additional analysis will be performed since the study will consist of the analysis of data generated by the analyses performed in the context of patient management and biological monitoring. This research does not aim to modify your care. There will be no additional consultation or examination, nor will there be any changes in the treatment prescribed by your doctor. |
The analysis of the TKI effectiveness and the appearance of mutations will be performed over a period of 24 months.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Frequency of detected molecular alterations
Time Frame: The analysis of the TKI effectiveness and the appearance of mutations will be performed over a period of 24 months.
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Frequency of detected molecular alterations
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The analysis of the TKI effectiveness and the appearance of mutations will be performed over a period of 24 months.
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Collaborators and Investigators
Sponsor
Investigators
- Study Director: Jerome Solassol, UH Montpellier
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
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
Additional Relevant MeSH Terms
Other Study ID Numbers
- RECHMPL20_0519
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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