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Combination Chemotherapy With or Without Trastuzumab in Treating Patients With Stage II or Stage III Breast Cancer

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City of Hope

Status and phase

Active, not recruiting
Phase 2

Conditions

Breast Cancer

Treatments

Drug: Paclitaxel
Drug: Carboplatin
Biological: Trastuzumab
Drug: doxorubicin hydrochloride
Drug: docetaxel
Drug: cyclophosphamide

Study type

Interventional

Funder types

Other
NIH

Identifiers

NCT00295893
05015
CDR0000455631 (Registry Identifier)
P30CA033572 (U.S. NIH Grant/Contract)

Details and patient eligibility

About

RATIONALE: Drugs used in chemotherapy work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Giving more than one drug (combination chemotherapy) may kill more tumor cells. Monoclonal antibodies, such as trastuzumab, can block tumor growth in different ways. Some block the ability of tumor cells to grow and spread. Others find tumor cells and help kill them or carry tumor-killing substances to them. Giving combination chemotherapy with or without trastuzumab before surgery may make the tumor smaller and reduce the amount of normal tissue that needs to be removed. It is not yet known whether combination chemotherapy is more effective with or without trastuzumab in treating breast cancer.

PURPOSE: This randomized phase II trial is comparing two different regimens of combination chemotherapy given together with or without trastuzumab to see how well they work in treating patients with stage II or stage III breast cancer.

Full description

OBJECTIVES:

Primary

  • Compare 2 neoadjuvant chemotherapy regimens (docetaxel, doxorubicin hydrochloride, and cyclophosphamide [TAC] vs doxorubicin and cyclophosphamide followed by paclitaxel and carboplatin [ACAC]), in terms of toxicities and effectiveness as defined by the pathological complete remission rate, in patients with non HER2/neu overexpressing stage II or III breast cancer.
  • Evaluate the probability of achieving a pathological complete remission when adding trastuzumab (Herceptin®) to ACAC in the subset of patients with HER2/neu overexpressing stage II or III breast cancer.

Secondary

  • Identify prognostic and predictive markers of outcome, recurrence, and targets of therapy.

OUTLINE: This is a randomized study. Patients with non HER2/neu overexpressing tumors are randomized to 1 of 2 treatment arms. Patients with HER2/neu overexpressing tumors are assigned to arm III.

  • Arm I: Patients receive doxorubicin hydrochloride IV, cyclophosphamide IV, and docetaxel IV on day 1. Treatment repeats every 21 days for 6 courses.
  • Arm II: Patients receive doxorubicin hydrochloride IV and cyclophosphamide IV on day 1; treatment repeats every 2 weeks for 4 courses. Patients then receive carboplatin IV on day 1 and paclitaxel IV on days 1, 8, and 15; treatment with carboplatin and paclitaxel repeats every 4 weeks for 3 courses.
  • Arm III: Patients receive chemotherapy as in arm II. They also receive trastuzumab (Herceptin®) IV weekly, beginning with the first doses of paclitaxel and carboplatin.

Within 4 weeks after completion of chemotherapy with or without trastuzumab (Herceptin®), all patients undergo surgery.

PROJECTED ACCRUAL: A total of 105 patients will be accrued for this study.

Enrollment

121 patients

Sex

All

Ages

18 to 120 years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

DISEASE CHARACTERISTICS:

  • Histologically proven infiltrating ductal or lobular breast carcinoma

    • Stage II or III disease
    • Inflammatory breast cancer allowed
  • Hormone-receptor status not specified

PATIENT CHARACTERISTICS:

  • ECOG performance status < 2

  • Male or female

  • Menopausal status not specified (for female patients)

  • Absolute neutrophil count ≥ 1,500/mm^3

  • Platelet count ≥ 100,000/mm^3

  • Bilirubin normal (except for patient's with Gilbert's disease)

  • Creatinine ≤ 1.2 mg/dL

  • Creatinine clearance ≥ 70 mL/min

  • Ejection fraction ≥ 50% on MUGA

  • No neuropathy ≥ grade 1

  • Not pregnant or nursing

  • Negative pregnancy test

  • Fertile patients must use effective nonhormonal contraception

  • No prior malignant disease within the past 5 years, excluding:

    • Squamous cell or basal cell skin carcinoma
    • Stage I or in situ cervical carcinoma
  • No noninvasive (in situ) breast carcinoma within the past 5 years

PRIOR CONCURRENT THERAPY:

  • At least 5 years since prior antiestrogen treatment for any indication other than breast cancer prevention (tamoxifen, raloxifene, or an aromatase inhibitor)
  • No prior radiotherapy to the chest wall

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

121 participants in 3 patient groups

Docetaxel, Doxorubicin Hydrochloride, and Cyclophosphamide
Active Comparator group
Description:
Patients receive doxorubicin hydrochloride IV, cyclophosphamide IV, and docetaxel IV on day 1. Treatment repeats every 21 days for 6 courses.
Treatment:
Drug: docetaxel
Drug: cyclophosphamide
Drug: doxorubicin hydrochloride
Doxorubicin Hydrochloride and Cyclophosphamide Followed by Paclitaxel and Carboplatin
Experimental group
Description:
Patients receive doxorubicin hydrochloride IV and cyclophosphamide IV on day 1; treatment repeats every 2 weeks for 4 courses. Patients then receive carboplatin IV on day 1 and paclitaxel IV on days 1, 8, and 15; treatment with carboplatin and paclitaxel repeats every 4 weeks for 3 courses.
Treatment:
Drug: cyclophosphamide
Drug: Carboplatin
Drug: Paclitaxel
Drug: doxorubicin hydrochloride
Doxorubicin Hydrochloride and Cyclophosphamide Followed by Paclitaxel, Carboplatin and trastuzumab
Experimental group
Description:
Patients receive chemotherapy as in arm II. They also receive trastuzumab (Herceptin®) IV weekly, beginning with the first doses of paclitaxel and carboplatin.
Treatment:
Drug: cyclophosphamide
Drug: Carboplatin
Drug: Paclitaxel
Biological: Trastuzumab
Drug: doxorubicin hydrochloride

Trial documents
1

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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