Expired Study
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Ann Arbor, Michigan 48109


Purpose:

The purpose of this prospective observational study is to understand the relationship between paclitaxel exposure and development of peripheral neuropathy during treatment.


Study summary:

Paclitaxel is a chemotherapeutic agent commonly used in various tumor types. Paclitaxel efficacy and toxicity are "dose-dependent" meaning that increasing the dose increases treatment efficacy and occurrence of toxicity. When used in the weekly 1-hour infusion regimen paclitaxel is commonly associated with treatment-limiting sensory peripheral neuropathy. At the current standard dose of 80 mg/m2 approximately 20-25% of patients experience treatment-limiting neuropathy. Drug exposure, not dose, determines treatment efficacy and neuropathy development. When treated with standard doses there is substantial variability in drug exposure meaning some patients are receiving less efficacious treatment than optimal. At this time we do not monitor a patient's exposure because the optimal exposure level has not been defined. The purpose of this study is to prospectively enroll patients for systematic collection of exposure and neuropathy data in order to characterize this relationship. Once the relationship between cumulative exposure and neuropathy has been characterized, this model will be used to define an exposure target in future prospective exposure-guided dose-adjustment trials.


Criteria:

Inclusion Criteria: - Diagnosis of invasive breast cancer - Systemic treatment with paclitaxel for curative intent (neoadjuvant, adjuvant, or oligometastatic disease per PI discretion) - 80 mg/m2 1-hour infusions weekly for up to 12 weeks - Female sex ->18 years old - Ability to understand and the willingness to sign a written informed consent. Exclusion Criteria: - Any prior or concurrent treatment with neurotoxic chemotherapy including any taxane, vinca alkaloid, platinum, bortezomib, or thalidomide. Note that concurrent biologic treatment with trastuzumab/pertuzumab for HER2+ patients or prior treatment with Adriamycin/cyclophosphamide are not reasons for exclusion. - Distant metastatic disease - Concurrent treatment with duloxetine or enrollment on clinical study of neuroprotective agent - History of allergic reaction to paclitaxel or cremophor EL - Current signs or symptoms of severe peripheral neuropathy - Known family history of hereditary peripheral neuropathy or Charcot-Marie-Tooth disease - Known current pregnancy


NCT ID:

NCT02338115


Primary Contact:

Principal Investigator
Daniel L Hertz, PharmD, PhD
University of Michigan


Backup Contact:

N/A


Location Contact:

Ann Arbor, Michigan 48109
United States



There is no listed contact information for this specific location.

Site Status: N/A


Data Source: ClinicalTrials.gov

Date Processed: June 25, 2018

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