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- Klinische proef NCT00963729
Chemotherapy or Letrozole Before Surgery in Treating Postmenopausal Women With Breast Cancer That Can Be Removed By Surgery
A Neoadjuvant Study of Chemotherapy Versus Endocrine Therapy in Postmenopausal Patients With Primary Breast Cancer
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. Estrogen can stimulate the growth of breast cancer cells. Hormone therapy using letrozole may fight breast cancer by reducing the production of estrogen. It is not yet known whether giving more than one drug (combination chemotherapy) or giving letrozole before surgery is more effective in treating women with breast cancer.
PURPOSE: This randomized phase III trial is studying giving combination chemotherapy before surgery to see how well it works compared with letrozole given before surgery in treating postmenopausal women with breast cancer that can be removed by surgery.
Studie Overzicht
Toestand
Conditie
Gedetailleerde beschrijving
OBJECTIVES:
- To compare the efficacy and tolerability of cytotoxic chemotherapy versus aromatase inhibition for the down-staging of strongly ER+ primary breast cancer in postmenopausal women.
- To identify biological predictors of response to these two treatment modalities.
OUTLINE: This is a multicenter pilot, feasibility study followed by a randomized study. In the pilot study, a record of all patients screened and invited to participate in the study is compiled. Reasons for failure to recruit will be recorded. Patients are randomized to 1 of 2 treatment arms.
- Arm I: Patients receive fluorouracil IV, epirubicin IV, and cyclophosphamide IV on day 1. Treatment repeats every 21 days for 6 courses in the absence of disease progression or unacceptable toxicity. Patients who do not achieve at least partial response after 3 courses receive docetaxel IV on day 1 of 3-week courses for an additional 3 courses.
- Arm II: Patients receive oral letrozole daily for 18-23 weeks until day of surgery.
Patients in both arms undergo surgery at week 18-23. Most patients then receive adjuvant therapy.
Quality of life is assessed at baseline, periodically during study treatment, and then during follow up.
Blood is collected pre-treatment, at mid-treatment, and before surgery. Blood is then collected every 6 months for 2 years. Blood samples and preserved tumor samples are used for correlative studies.
After completion of surgery, patients are followed up at least annually for 10 years.
PROJECTED ACCRUAL: A total of 40 patients for the pilot study and 716 patients for the phase III study will be accrued.
Studietype
Inschrijving (Verwacht)
Fase
- Fase 3
Contacten en locaties
Studie Locaties
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Seoul, Korea, republiek van, 138-736
- Asan Medical Center - University of Ulsan College of Medicine
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England
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Isleworth, England, Verenigd Koninkrijk, TW7 6AF
- West Middlesex University Hospital
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London, England, Verenigd Koninkrijk, W6 8RF
- Charing Cross Hospital
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London, England, Verenigd Koninkrijk, W2 1NY
- St. Mary's Hospital
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London, England, Verenigd Koninkrijk, SE1 9RT
- Guy's Hospital
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
Accepteert gezonde vrijwilligers
Geslachten die in aanmerking komen voor studie
Beschrijving
DISEASE CHARACTERISTICS:
Histologically proven primary invasive breast cancer that is thought to be suitable for neoadjuvant treatment
- No cytological proof of malignancy only
- T2 tumor or greater (≥ 20 mm by ultrasound) or any T stage with nodal disease ≥ 20 mm diameter on ultrasound assessment
- No evidence of distant metastatic disease as disclosed by bone scan, liver, and chest imaging
- Definite indication for neoadjuvant and adjuvant chemotherapy
- Primary tumor amenable to biopsy
- No inoperable disease that is judged very unlikely to be rendered operable by neoadjuvant treatment
- No inflammatory breast cancer
- No bilateral invasive breast cancer
- HER-2 positivity is NOT an exclusion criterion in the feasibility (pilot) study
Estrogen receptor (ER) positive tumor
- No ER-poor disease as defined locally (e.g., H-score < 100, Allred 3/4/5)
- Allred 6/7/8, H-score H ≥100 allowed
PATIENT CHARACTERISTICS:
Postmenopausal, meeting 1 of the following criteria:
- Over 12 months since last menstrual period
- Postmenopausal gonadotrophin levels (luteinizing hormone or follicle-stimulating hormone levels above local criteria)
- Postmenopausal estradiol levels below local criteria
- Prior bilateral oophorectomy
- Menopause induced by gonadotrophin-releasing hormone not allowed
- WHO performance status 0 or 1
- WBC ≥ 3.0 × 10^9/L
- ANC ≥ 1.5 × 10^9/L
- Platelets ≥ 100 × 10^9/L
- Hemoglobin > 9 g/dL
- AST/ALT ≤ 1.5 times upper limit of normal (ULN)
- Serum bilirubin ≤ 1.5 times ULN
- Alkaline phosphatase ≤ 1.5 times ULN
- Serum creatinine ≤ 1.5 times ULN
- No active, uncontrolled infection
No malignancy within the past 10 years except for basal cell carcinoma or cervical carcinoma in situ
- Treatment for previous malignancy confined to resection alone
- No concomitant medical, psychiatric, or geographic problems that might prevent completion of treatment or follow-up
- No known severe hypersensitivity to aromatase inhibitors
- No contraindication to receiving aromatase inhibitors (clinical evidence or recorded history of osteoporosis)
No other serious illness or medical condition including any of the following:
- Congestive heart failure or unstable angina pectoris
- Myocardial infarction within the past year
- Uncontrolled hypertension or high-risk uncontrolled arrhythmias
- History of significant neurologic or psychiatric disorders, including psychotic disorders, dementia, or seizures, that would prohibit the understanding and giving of informed consent
- Active peptic ulcer
- Unstable diabetes mellitus
- No definite contraindications for the use of corticosteroids
- No contraindication to receiving combination anthracycline/taxane chemotherapy
- Willing to undergo repeat biopsies
PRIOR CONCURRENT THERAPY:
- No hormone replacement therapy within 4 weeks of starting treatment
- No chronic oral treatment with corticosteroids unless initiated > 6 months prior to study entry and at low dose (≤ 20 mg methylprednisolone or equivalent)
- No concurrent warfarin or heparin therapy
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
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Experimenteel: Arm I
Patients receive fluorouracil IV, epirubicin IV, and cyclophosphamide IV on day 1.
Treatment repeats every 21 days for 6 courses in the absence of disease progression or unacceptable toxicity.
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IV gegeven
IV gegeven
IV gegeven
IV gegeven
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Experimenteel: Arm II
Patients receive oral letrozole daily for 18-23 weeks until day of surgery.
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Mondeling gegeven
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
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Feasibility of patient recruitment (pilot)
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Feasibility of tissue collection (pilot)
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Ultrasound (or mammogram) response rate
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Secundaire uitkomstmaten
Uitkomstmaat |
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Algemeen overleven
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Kwaliteit van het leven
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Ziektevrij overleven
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Klinisch responspercentage
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Radiologic response rate by ultrasound (pilot)
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Pathological complete response rate (pCR) defined as no residual invasive or pre-invasive carcinoma in breast or axilla (pilot)
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Plasma DNA changes in relation to treatment response
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Rate of conservation surgery
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Degree of pathological response
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Ki-67 changes and its relationship to treatment response
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Length of time to maximum response within the treatment period
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Tolerability of the various treatments
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MRI response
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Medewerkers en onderzoekers
Sponsor
Studie record data
Bestudeer belangrijke data
Studie start
Primaire voltooiing (Werkelijk)
Studie voltooiing (Werkelijk)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Schatting)
Updates van studierecords
Laatste update geplaatst (Schatting)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
- Huidziektes
- Neoplasmata
- Neoplasmata per site
- Borst ziekten
- Borstneoplasmata
- Fysiologische effecten van medicijnen
- Moleculaire mechanismen van farmacologische werking
- Enzymremmers
- Antireumatische middelen
- Antimetabolieten, antineoplastische
- Antimetabolieten
- Antineoplastische middelen
- Immunosuppressieve middelen
- Immunologische factoren
- Tubuline-modulatoren
- Antimitotische middelen
- Mitose modulatoren
- Hormonen, hormoonvervangers en hormoonantagonisten
- Antineoplastische middelen, alkylering
- Alkyleringsmiddelen
- Myeloablatieve agonisten
- Topoisomerase II-remmers
- Topoisomeraseremmers
- Antibiotica, antineoplastiek
- Hormoon antagonisten
- Aromatase-remmers
- Steroïde syntheseremmers
- Oestrogeen antagonisten
- Docetaxel
- Cyclofosfamide
- Fluoruracil
- Epirubicine
- Letrozol
Andere studie-ID-nummers
- ICCRU-NEOcent-C-21-07
- CDR0000641383 (Register-ID: PDQ (Physician Data Query))
- EU-20936
- EUDRACT-2006-003596-12
- ISRCTN77234840
Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .
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