Status:

COMPLETED

Lapatinib and Tamoxifen in Treating Patients With Advanced or Metastatic Breast Cancer

Lead Sponsor:

European Organisation for Research and Treatment of Cancer - EORTC

Conditions:

Breast Cancer

Eligibility:

All Genders

18-120 years

Phase:

PHASE1

Brief Summary

RATIONALE: Lapatinib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Estrogen can cause the growth of breast cancer cells. Hormone therapy using tamoxifen ma...

Detailed Description

OBJECTIVES: Primary * Determine the pharmacokinetics of lapatinib ditosylate and tamoxifen citrate in patients with advanced or metastatic breast cancer. Secondary * Assess the safety of this regi...

Eligibility Criteria

Inclusion

  • DISEASE CHARACTERISTICS:
  • Histologically or cytologically confirmed advanced or metastatic breast cancer
  • Progressive disease after aromatase inhibitor therapy
  • Hormone receptor status:
  • Estrogen receptor- and/or progesterone receptor-positive tumor
  • Patients with stable brain metastases (i.e., no neurological symptoms and no corticosteroid treatment) are eligible
  • PATIENT CHARACTERISTICS:
  • Male or female
  • Menopausal status not specified
  • ECOG performance status 0-2
  • Life expectancy ≥ 12 weeks
  • Neutrophil count \> 1,500/mm³
  • Platelet count \> 100,000/mm³
  • AST and/or ALT \< 3 times upper limit of normal (ULN)
  • Creatinine \< 1.5 times ULN
  • Bilirubin \< 1.5 times ULN
  • Clinically normal cardiac function (i.e., LVEF normal by MUGA or ECHO)
  • No current active hepatic or biliary disease (with exception of patients with Gilbert's syndrome, asymptomatic gallstones, liver metastases, or stable chronic live disease)
  • No ischemic heart disease within the past 6 months
  • Normal 12-lead ECG
  • No active or uncontrolled infections
  • No serious illnesses or medical conditions, including any of the following:
  • Hypercalcemia
  • Malabsorption syndrome
  • Chronic alcohol abuse
  • Hepatitis
  • HIV
  • Cirrhosis
  • Able to swallow and retain oral medication
  • No psychological, familial, sociological, or geographical condition potentially hampering study compliance
  • Not pregnant or nursing
  • Negative pregnancy test
  • Fertile patients must use effective contraception during and for 3 months after completion of study treatment
  • PRIOR CONCURRENT THERAPY:
  • See Disease Characteristics
  • At least 2 days since prior and no concurrent inducers or inhibitors of CYP3A4, including any of the following:
  • Rifabutin
  • Clarithromycin
  • Cyclosporine
  • Voriconazole
  • Fluoxetine
  • Paroxetine
  • Midazolam
  • Isoniazid
  • Dihydralazine
  • Digitoxin
  • Coumadin
  • Phenytoin
  • Verapamil
  • Diltiazem
  • Herbal constituents (e.g., bergamottin and glabridin)
  • At least 2 weeks since prior aromatase inhibitor
  • Aromatase inhibitors in the adjuvant and/or metastatic setting allowed
  • At least 1 year since prior tamoxifen citrate
  • No other concurrent anticancer therapy or investigational agents

Exclusion

    Key Trial Info

    Start Date :

    November 1 2006

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ESTIMATED

    End Date :

    May 28 2010

    Estimated Enrollment :

    20 Patients enrolled

    Trial Details

    Trial ID

    NCT00424164

    Start Date

    November 1 2006

    End Date

    May 28 2010

    Last Update

    March 8 2024

    Active Locations (1)

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    Page 1 of 1 (1 locations)

    1

    Centre Regional Rene Gauducheau

    Dijon, France, 21079