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Pharmacokinetics and Pharmacogenetics-based Adaptive Dosing of 5-fu (5-Fluorouracile) in Head & Neck Cancer Patient Undergoing Docetaxel, Cisplatin, 5-Fluorouracile (=TPF) Therapy

Information source: Assistance Publique Hopitaux De Marseille
ClinicalTrials.gov processed this data on August 20, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Patients With Head and Neck Cancer (ORL)

Intervention: Cisplatin (Drug); Docetaxel (Drug); 5-Fluorouracile (Drug)

Phase: Phase 4

Status: Recruiting

Sponsored by: Assistance Publique Hopitaux De Marseille

Official(s) and/or principal investigator(s):
Urielle DESALBRES, Director, Study Director, Affiliation: Assistance Publique Hôpitaux de Marseille

Overall contact:
Sébastien SALAS, Professor, Phone:, Email: sebastien.salas@ap-hm.fr


Docetaxel, Cisplatin, 5-Fluorouracile (=TPF) is a mainstay for treating head and neck cancers, but elderly or fragile patients are often precluded because of the risk of severe toxicities associated with this protocol. DPD (Dihydro Pyrimidine Dehydrogenase) deficiency is a pharmacogenetic syndrome responsible for most of the severe/lethal toxicities showing in 5-FU (5-Fluorouracile)-treated patients, and our institute has developed a strategy for the routine determination of Dihydro Pyrimidine Dehydrogenase (DPD) status prior to starting giving the 5-FU so as to roughly adapt drug dosage according to the Dihydro Pyrimidine Dehydrogenase (DPD) status. This project aims at developing a Bayesian strategy to further individualize 5-FU dosing to reach a target exposure of area under curve (AUC). To this end, 100 patients with head and neck cancer and scheduled for a Docetaxel, Cisplatin, 5-Fluorouracile (=TPF) regimen will be included.

Clinical Details

Official title: Pharmacokinetics and Pharmacogenetics-based Adaptive Dosing of 5-fu (5-Fluorouracile) in Head & Neck Cancer Patient Undergoing Docetaxel, Cisplatin, 5-Fluorouracile (=TPF) Therapy

Study design: Endpoint Classification: Pharmacokinetics Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Primary outcome:

Determination of 5-FU (5-Fluorouracile)


Detailed description: Crop the plasma exposure of 5-FU (5-Fluorouracile) around a predefined target area under the curve 30 (AUC30) in patients with head and neck cancer treated with Docetaxel, Cisplatin, 5-Fluorouracile (=TPF) protocols and correlate adaptive Bayesian procedure to tolerability.

- Develop a population die from a group of 20 patients for which a pharmacokinetic study

will be carried out

- Evaluate obtaining effective concentration of 5-FU in the context of a Docetaxel,

Cisplatin, 5-Fluorouracile (=TPF) protocol adapted by the Bayesian procedure.

- Compare recommendations in terms of dosage adjustment of Bayesian approach with the

recommendations of a simplified graphical approach.

- Test the measure of Dihydro Pyrimidine Dehydrogenase (DPD) activity

Dihydrouracil/Uracile (UH2 / U ratio) as a co-variable adjustment of 5-Fluorouracile (5-FU) regimens in Pharmacogenomics/Pharmacokinetic (PGx / PK) model.

- Evaluate a prototype of urinary dipsticks for the early detection of toxicity from the

assay as a marker of Dihydro Pyrimidine Dehydrogenase (DPD) activity.

- Assess the cost-benefit of dosage targeting, in terms of reduction resulting costs to

the management of chemotherapy-induced toxicities.


Minimum age: 18 Years. Maximum age: 80 Years. Gender(s): Both.


Inclusion Criteria:

- Age > 18 and ≤ 80 years.

- Squamous cell carcinoma of the head and neck (oral cavity, oropharynx, hypopharynx,

larynx, nasopharynx).

- Locally advanced stage (III, IVa or IVb).

- The patient must have received the information note and signing the informed consent,

as well as being spent in multidisciplinary meeting after which treatment with TPF (Docetaxel, Cisplatin, 5-Fluorouracile) induction chemotherapy was proposed.

- Performance Status less than or equal to 2 (WHO performance index).

- The patient must be affiliated to a social security scheme and followed in one of the

participating centers.

- Patients polymorphonuclear neutrophil greater than or equal to 1000 / mm3, platelets

greater than or equal to 100 000 / mm3, hemoglobin greater than or equal to 8 g / dl, transaminases less than or equal to 1. 5 times the normal, total bilirubin or equal 1. 5 times the normal creatinine clearance in the upper or equal to 50 ml / min Modification of Diet in Renal Disease (MDRD)

- Satisfactory heart function

- Patients must be able to submit to the rhythm of visits, treatment plan, laboratory

balances and other study procedures. Exclusion Criteria:

- Patient > 80 years.

- Patients with uncontrolled infection that could compromise participation in the


- Patients with other serious concomitant diseases and / or uncontrolled that could

compromise participation in the study.

- Patients with serum bilirubin> under limit normal and / or Alanine Transaminase

(ALAT) and Aspartate Transaminase (AST) 3. 5 times the under limit normal with alkaline phosphatase greater than 6 times the under limit normal.

- Cardiovascular disease or clinically significant cardiovascular disorder in the

judgment of the investigator, such as, but not limited to uncontrolled hypertension, congestive heart failure The New York Heart Association (NYHA) classification> III), unstable angina, myocardial infarction in 6 months prior to treatment, uncontrolled arrhythmias, chronic liver or renal disease, severely impaired lung function.

- Disorders significant acute gastrointestinal or recent with a major symptom of

diarrhea, such as Crohn's disease, malabsorption syndrome or diarrhea Common toxicity Criteria for Adverse Events (CTCAE) grade> 1 whatever aetiology.

- Performance Status and / or laboratory tests incompatible with chemotherapy using

cisplatin, docetaxel and 5-fluorouracile (5-FU)

- Inability to submit to medical monitoring test for geographical reasons, family,

social or psychological.

- Patients refusing to participate in biological assessments.

- Persons deprived of liberty or guardianship.

- Pregnant women or likely to be at the time of enrollment or during breastfeeding.

- Free, informed and signed not obtained.

Locations and Contacts

Sébastien SALAS, Professor, Phone:, Email: sebastien.salas@ap-hm.fr

Assistance Publique Hôpitaux de Marseille, Marseille 13354, France; Recruiting
Urielle DESALBRES, Director
Sebastien SALAS, Professor, Principal Investigator
Additional Information

Starting date: June 2015
Last updated: June 29, 2015

Page last updated: August 20, 2015

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