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Clinical trialNCT00898573WithdrawnObservational

Lapatinib Resistance in Patients With Breast Cancer

SponsorCase Comprehensive Cancer CenterEnrollment0Breast Cancer
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

RATIONALE: Studying samples of tumor tissue and blood from patients with cancer in the laboratory may help doctors learn more about cancer and the development of drug resistance in patients. PURPOSE: This research study is looking at lapatinib resistance in patients with breast cancer.
clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

  • Balazs Halmos, MD

    Ireland Cancer Center at University Hospitals Case Medical Center, Case Comprehensive Cancer Center

    Principal Investigator
    clinicaltrials.gov ↗
  • Thomas Budd, MD

    Cleveland Clinic Taussig Cancer Institute, Case Comprehensive Cancer Center

    Principal Investigator
    clinicaltrials.gov ↗

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

9 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Cleveland Clinic Taussig Cancer Institute, Case Comprehensive Cancer Center

    Cleveland, Ohio, United States

  • Geauga Regional Hospital

    Cleveland, Ohio, United States

  • Ireland Cancer Center at University Hospitals Case Medical Center, Case Comprehensive Cancer Center

    Cleveland, Ohio, United States

  • Lake/university Ireland Cancer Center

    Cleveland, Ohio, United States

  • Mercy Cancer Center at Mercy Medical Center

    Cleveland, Ohio, United States

  • Southwest General Health Center

    Cleveland, Ohio, United States

  • Uhhs Chagrin Highlands Medical Center

    Cleveland, Ohio, United States

  • Uhhs Westlake Medical Center

    Cleveland, Ohio, United States

  • University Suburban Health Center

    Cleveland, Ohio, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Lapatinib →
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
31 Jul 2008
Primary completion
—
Completion
—
Last update posted
2 Oct 2015
Registered enrollment
0
Registry id
NCT00898573
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.