Influence of Body Composition on Chemotherapy Outcomes in Localized Breast Cancer

NCT ID: NCT05858398

Last Updated: 2026-01-02

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

48 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-10-25

Study Completion Date

2027-05-02

Brief Summary

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The purpose of this study is to determine if pharmacokinetics of docetaxel is modified by the body composition (assessed by the BMI but also by CT-scan) in patients treated by docetaxel as adjuvant treatment of a localized breast cancer

Detailed Description

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Half of the patients treated for a localized breast cancer are obese or overweighted. Recently published post-hoc analyses of a large randomised trial (BIG-2-98) revealed that BMI could impact the benefit of a docetaxel based chemotherapy, but not of an anthracyclin based chemotherapy.

One of the hypothesis is that the distribution volume of hydrophobic drugs, such as docetaxel, may be influenced by the BMI, and more precisely by the amount of total fat.

In that context, we aim to assess the docetaxel pharmacokinetics during its first exposure for localized breast cancer, and compare these results according to 3 groups of patients (lean, overweight and obese).

Conditions

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Breast Cancer

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Pharmocokinetics blood sample assessment

during first administration of docetaxel several pharmacokinetics samples will be assessed

Group Type EXPERIMENTAL

pharmacokinetics blood sample assessment

Intervention Type BIOLOGICAL

pharmacokinetics blood sample assessment during the first exposure to docetaxel

Interventions

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pharmacokinetics blood sample assessment

pharmacokinetics blood sample assessment during the first exposure to docetaxel

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

* Woman older than
* Early breast cancer
* CT-scan of less than 3 months, including L3 level
* Indication of docetaxel at 100 mg/m² as adjuvant CT

Exclusion Criteria

* HER2 amplified or triple negative tumors
* Pregnant or breastfeeding women
* Patients under guardianship or curatorship
* Concomitant administration of another cytotoxic drug or targeted therapy
* Psychosocial disorder
* Administration of another cytotoxic drug or targeted therapy within 20 days prior to blood collection
Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Erasmus Medical Center

OTHER

Sponsor Role collaborator

Universitaire Ziekenhuizen KU Leuven

OTHER

Sponsor Role collaborator

Centre Henri Becquerel

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Florian Clatot, Prof

Role: PRINCIPAL_INVESTIGATOR

Centre Henri Becquerel

Locations

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Centre Henri Becquerel

Rouen, , France

Site Status RECRUITING

Countries

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France

Central Contacts

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Florian Clatot, Prof

Role: CONTACT

+33232082231

Doriane Richard, PhD

Role: CONTACT

+33232082985

Facility Contacts

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Florian Clatot, Prof

Role: primary

+33232082231

Doriane Richard, PhD

Role: backup

+33232082985

Other Identifiers

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CHB22.03

Identifier Type: -

Identifier Source: org_study_id

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