- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04218136
Cetuximab Therapeutic Drug Monitoring in Squamous Cell Carcinoma Head and Neck Cancer Patients: Determination of the Predictive Value Exposure Levels Through a Single Arm Multicentric Study (CETUXIMAX)
Only about 30 percent of cancer patients have a clinical benefit upon cetuximab administration. Pilot studies in colorectal and head and neck cancer patients have suggested that cetuximab pharmacokinetics (PK), i.e. clearance values, could impact on clinical outcomes such as survival.
Determining cetuximab plasma clearance requires sophisticated PK modeling using population approaches, thus making it difficult to implement in routine clinical practice. In addition, all the preliminary studies with cetuximab were based upon Elisa determination of cetuximab plasma levels, an analytical method that fails to meet the requirements of daily practice in laboratories performing therapeutic drug monitoring. This pilot study aimed at evaluating the mass spec method analytical performance as part of a " real life " study, evaluating the inter-patient variability of exposure levels in head and neck cancer patients, and establishing a putative link between those exposure levels and clinical outcome. Results from 25 patients fully confirmed the analytical performance of the mass spec method (e.g., lack of matrix effect, acceptable sensitivity to monitor trough levels, lack of impact of sampling processing or freezing/thawing cycles). In addition, a large inter-individual variability (Superior at 50 percent) was observed, both in the peak concentrations (Cmax) and in trough levels (Cmin). Most interestingly, despite the limited number of patients enrolled, a statistically significant association was shown between exposure levels (i.e. calculated AUC) and clinical outcome (DCR). This difference was even more significant on Cmin, thus suggesting that simple trough levels monitoring could help to predict efficacy. Further analysis on survival showed that although not statistically significant, a trend towards longer both progression-free survival and overall survival was observed in the subgroup of patients with higher trough levels. In particular, 3-year survival was 29 percent and 0 percent in the subgroups with high and low trough concentrations, respectively (unpublished data).
Beyond tumoral factors, these preliminary data suggest that cetuximab Cmin levels could be a predictive marker of therapeutic efficacy and that simple therapeutic drug monitoring could help to forecast clinical outcome or enable dosage adaptation.
Study Overview
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Sébastien SALAS, PU-PH
- Phone Number: +33 491385708
- Email: sebastien.salas@ap-hm.fr
Study Locations
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Marseille, France, 13354
- Recruiting
- Assistance Publique Hopitaux de Marseille
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Contact:
- Sébastien SALAS, PU-PH
- Phone Number: +33 491385708
- Email: sebastien.salas@ap-hm.fr
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Principal Investigator:
- Sébastien SALAS, PU-PH
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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:
- Patients aged 18 to 75 years.
- Adult patient with recurrent or metastatic histologically proven head and neck Squamous Cell Carcinoma.
- Patients to be treated by standard treatment: chemotherapy with cisplatin or carboplatin and fluorouracil in combination with a cetuximab-based protocol
- Patients having signed the non-opposition form
Exclusion Criteria:
- Patient currently participating in or having participated to a study with another investigational agent.
- Patients minor
- Pregnant or breast-feeding women.
- Any contra-indication in the Second Primary Cancers
Study Plan
How is the study designed?
Design Details
- Observational Models: Other
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
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patient with head and neck cancer
Patients treated by standard treatment and have a minimum of 4 blood samples.
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A minimum of 4 blood samples and a maximum of 6 blood samples will be collected.
Venous return blood samples collected as part of routine monitoring of patients for bioclinical parameters.
Samples will be collected before start of the infusion and end of the infusion
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Disease Control Rate
Time Frame: 16 months
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Disease control rate (DCR) will be defined as the combination of complete response, partial response, and stable disease.
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16 months
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Collaborators and Investigators
Investigators
- Study Director: Jean-Olivier ARNAUD, Dirctor, Assistance Publique Hopitaux de Marseille
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
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
- 2019-36
- Id RCB (Registry Identifier: 2018-A00771-54)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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