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RECRUITING

NCT06387901

Investigating Paclitaxel Toxicity in Breast Cancer: the Roles of Physical Activity and Body Composition.

Sponsor: Universitair Ziekenhuis Brussel

View on ClinicalTrials.gov

Summary

This study looks into how a common breast cancer treatment, paclitaxel, can sometimes cause severe side effects that make it hard for patients to continue treatment. These side effects can significantly affect a patient's quality of life and even impact their recovery and overall health costs. What's interesting about this research is that it considers how a patient's lifestyle, specifically their physical activity levels and body makeup (like how much muscle and fat they have), might influence these side effects. The researchers are doing a detailed study with 40 women receiving paclitaxel treatment, tracking how the drug is processed in their bodies and how their body composition and physical activity might play a role in the side effects they experience. They are using a special method to monitor drug levels in the blood and are also keeping tabs on the patients' health and physical activity through questionnaires and modern tracking devices. The goal here is twofold: first, to better understand why these side effects happen to some people and not others, and second, to develop a model that can predict who might be at higher risk for these side effects based on their body composition, lifestyle, and how their body handles the drug. This could lead to more personalized treatment plans that could help reduce the risk of severe side effects and improve the overall treatment experience for patients with breast cancer. In simpler terms, this research is trying to find a way to make breast cancer treatment with paclitaxel safer and more comfortable by considering how a person's lifestyle and body type might affect their reaction to the drug. This could make a big difference in helping patients complete their treatment successfully and with a better quality of life.

Official title: Dose-limiting Toxicities of Paclitaxel in Breast Cancer Patients: Studying Interactions Between Pharmacokinetics, Physical Activity, and Body Composition: an Observational Pilot Study.

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

OBSERVATIONAL

Enrollment

Start Date

2024-07-30

Completion Date

2025-10-31

Last Updated

2024-11-01

Healthy Volunteers

Conditions

Breast Cancer Paclitaxel Adverse Reaction Chemotherapeutic Toxicity Chemotherapeutic Agent Toxicity Body Weight Physical Inactivity

Interventions

DRUG

Paclitaxel Chemotherapy

Participants will receive paclitaxel, a taxane chemotherapeutic agent used in the treatment of breast cancer. The administration involves an intravenous infusion of paclitaxel at a dosage of 80 mg/m². The treatment is scheduled once a week, continuing for a total duration of 12 weeks. This regimen is part of a (neo-)adjuvant therapy for female patients diagnosed with stage II or III breast cancer. The intervention aims to assess the pharmacokinetics of paclitaxel in relation to patient body composition and physical activity, evaluating its impact on dose-limiting toxicities and overall treatment efficacy.

Inclusion Criteria * Female patients with a diagnosis of breast cancer: Specifically targeting those diagnosed with stage II or III breast cancer, to understand the effects of paclitaxel within a somewhat uniform disease severity group. * Planned for 12 cycles of Paclitaxel (PTX) in a (neo-)adjuvant setting: The study focuses on patients scheduled to undergo a standard 12-week, once-a-week paclitaxel chemotherapy regimen as part of their treatment plan. * Age 18 or older in (pre-)menopausal status: Adult patients of any menopausal status are eligible, ensuring a wide demographic representation. * Prior taxane use is allowed if treatment in the adjuvant setting finished over a year ago: This criterion allows for the inclusion of patients who may have previously undergone taxane-based treatments, provided there has been a sufficient washout period to minimize the influence of prior treatments on the study outcomes. Exclusion Criteria * Cognitive impairment (unable to understand test instructions): Ensuring participants can comprehend and follow study procedures and requirements is crucial for data integrity and participant safety. * Participation in clinical trials of experimental drugs: To avoid confounding effects from other investigational treatments and focus on the impact of standard-of-care paclitaxel therapy. * Documented intolerance or allergy to PTX (non-documented intolerance or allergy will lead to drop-out): Participants must be able to tolerate paclitaxel, as adverse reactions could compromise their safety and affect study results. Interacting drugs in home medication: Patients using medications known to interact with paclitaxel could experience altered drug metabolism or increased toxicity, potentially skewing study outcomes. * Male sex: The study is focused on breast cancer in female patients, as the disease's presentation, treatment, and outcomes can vary significantly between genders. * Age under 18 years: Ensuring all participants are legal adults helps adhere to ethical standards and regulatory requirements concerning consent and participation in clinical research.

Locations (2)

UZ Brussel

Brussels, Jette, Belgium

Vrije Universiteit Brussel