University of Michigan Rogel Cancer Center
The primary objective of this pharmacokinetics study is to compare the maximum concentration level of paclitaxel in patients with low/sarcopenic skeletal muscle area (SMA), at the end of a 2-3 hour paclitaxel infusion, to the maximum level in patients with normal SMA at the end of a standard 1-hour infusion with the goal of determining whether lengthening the infusion in patients with low/sarcopenic SMA normalizes the levels to those of patients with normal SMA.
Paclitaxel is an FDA-approved and commonly used standard of care agent for patients with early-stage breast cancer. This study will use the standard dose of 80 mg/m\^2, including the typical pre-medications as per University of Michigan Rogel Cancer Center institutional standard. The only investigational component of this study is lengthening the infusion duration from 1-hour to 2 or 3 hours for a single dose in patients with low SMA. JAN2025 update, Paclitaxel is an FDA-approved and commonly used standard of care agent for patients with early-stage breast cancer or metastatic gastric or esop…
Inclusion Criteria: * Planned paclitaxel 80 mg/m\^2, 1-hour infusion * Evaluable computed tomography (CT) scan, positron emission tomography computed tomography (PET-CT) scan, or MRI scan (e.g. scan of the chest, abdomen, or pelvis for any indication w/in 1 year) * Female * ≥ 18 years old * Adequate organ function to receive paclitaxel treatment as defined in the protocol * Ability to understand and the willingness to sign a written informed consent Exclusion Criteria: * Concomitant administration of any moderate or strong inducer or inhibitor of CYP2C8, including rifampin or clopidogrel. *…
Weekly intravenous (IV) infusion of a standard dose of paclitaxel 80 mg/m\^2. Dose 1 is a 90-minute infusion. All other doses administered as a 1-hour infusion for a total of 12 weekly doses.
Weekly intravenous (IV) infusion of a standard dose of paclitaxel 80 mg/m\^2. Dose 1 is a 90-minute infusion. During doses 2-12, patients with low SMA will receive one 2-hour infusion and patients with sarcopenic SMA will receive one 3-hour infusion. All other doses during weeks 2-12 are standard infusion time.
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