Clinical trial Recruiting at 1 site Phase 4 Interventional Ages 18 and up Women only

Comparing Paclitaxel Infusion Durations in Cancer Patients with Low Muscle Mass

Official title: Phase IV Single-arm Pharmacokinetic Study of Skeletal Muscle Area-based Paclitaxel Infusion in Patients With Cancer

Run by University of Michigan Rogel Cancer Center · NCT05183126 · Data updated 2026-11-12

This study is testing if giving paclitaxel over a longer time helps cancer patients with low muscle mass have better drug levels in their system compared to those with normal muscle mass.

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Quick facts

PhasePhase 4
Study typeInterventional
Ages18 Years and up
SexWomen only
Enrollment22 (estimated)
SponsorUniversity of Michigan Rogel Cancer Center
Academic / other
Locations1 site (Ann Arbor, Michigan)
StatusRecruiting
StartedMarch 28, 2022
Main results expectedNovember 2026
Study endsNovember 2026
Registry record updatedJuly 2, 2026
Trial IDNCT05183126 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are female patients aged 18 and older with breast cancer, metastatic gastric cancer, or esophageal cancer who are scheduled to receive a standard paclitaxel infusion.

Probably not a fit

Patients with a history of hypersensitivity to paclitaxel or those receiving different doses or infusion rates will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study aims to evaluate the pharmacokinetics of paclitaxel by comparing the maximum concentration levels in patients with low or sarcopenic skeletal muscle area (SMA) after a 2-3 hour infusion to those with normal SMA after a standard 1-hour infusion. The goal is to determine if extending the infusion duration for patients with low SMA can normalize drug levels to those seen in patients with normal SMA. Participants will receive the standard dose of 80 mg/m² of paclitaxel, with the only investigational aspect being the lengthened infusion time. The study is conducted at the University of Michigan Rogel Cancer Center.

Why it matters

Potential benefit: If successful, this approach could optimize paclitaxel treatment for patients with low muscle mass, potentially improving therapeutic outcomes.

How similar studies have gone: While this specific approach is novel, similar pharmacokinetic studies have shown promise in optimizing drug delivery based on patient-specific factors.

Who can join: the full rules

Show full inclusion / exclusion criteria
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.
* History of hypersensitivity reaction to paclitaxel or any components of paclitaxel (e.g., Cremophor EL) that precludes continued treatment with standard dose and infusion length
* Pregnant or nursing
* Receiving any other dose (i.e., not 80 mg/m2) or infusion rate (i.e., not 60 minute infusion) either due to toxicity during a previous cycle or any other reason

Where it's running

  • University of Michigan Rogel Cancer Center
    Ann Arbor, Michigan, United States
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.