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- Klinische proef NCT00461773
Randomized Phase II Study of Preoperative Letrozole (Femara) in Combination With Avastin in Hormone Receptor Positive Breast Cancer
Studie Overzicht
Toestand
Interventie / Behandeling
Studietype
Inschrijving (Werkelijk)
Fase
- Fase 2
Contacten en locaties
Studie Locaties
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Connecticut
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New Haven, Connecticut, Verenigde Staten, 06520
- Yale University, Yale Cancer Center
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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
Inclusion Criteria:
- Histologically confirmed operable or potentially operable invasive breast adenocarcinoma that is clinically palpable and measurable
- Age ≥ 18 years
- Clinical Stage T2-4, N0-3, M0 (Stage II-III)
- Postmenopausal defined as Age ≥ 60 years and/or Age >45 years with amenorrhea 12 months with an intact uterus and/or History of bilateral oophorectomy and/or FSH and estradiol levels in postmenopausal range
- ECOG PS 0, 1
- Unifocal disease
- ER and/or PR positive
- Adequate hematological, renal, and hepatic functions Absolute neutrophil count ≥ 1,500/µL Platelet count ≥ 100,000/µL creatinine ≤ 1.5 mg/dL Serum total bilirubin ≤ 1.5 mg/dL Alkaline phosphatase ≤ 3X the ULN for the reference lab SGOT/SGPT ≤ 3X the ULN for the reference lab
- Patients or their legal representatives must be able to read, understand and provide informed consent to participate in the trial
- Use of effective means of contraception (men and women) in subjects of child-bearing potential
Exclusion Criteria:
- Prior history of and/or therapy for invasive breast cancer (includes chemotherapy, radiation, hormonal therapy including AIs, tamoxifen, raloxifene, fulvestrant or any other antiestrogen/SERM)
- Clinically significant cardiovascular disease, EF <50%
- Known CNS disease
- History of deep vein thrombosis or pulmonary embolism
- Proteinuria at screening as demonstrated by either Urine protein:creatinine (UPC) ratio ≥ 1.0 at screening OR Urine dipstick for proteinuria ≥ 2+ (patients discovered to have ≥2+ proteinuria on dipstick urinalysis at baseline should undergo a 24 hour urine collection and must demonstrate ≤ 1g of protein in 24 hours to be eligible).
- Presence of non-healing wound or fracture
- Current, recent (within 4 weeks of the first infusion of this study), or planned participation in an experimental drug study other than a Genentech-sponsored bevacizumab cancer study
- Inadequately controlled hypertension (defined as systolic blood pressure >150 and/or diastolic blood pressure > 100 mmHg on antihypertensive medications)
- Any prior history of hypertensive crisis or hypertensive encephalopathy
- New York Heart Association (NYHA) Grade II or greater congestive heart failure (see Appendix E)
- History of myocardial infarction or unstable angina within 12 months prior to study enrollment
- Any history of stroke or transient ischemic attack at any time
- Significant vascular disease (e.g., aortic aneurysm, aortic dissection)
- Symptomatic peripheral vascular disease
- Evidence of bleeding diathesis or coagulopathy
- Major surgical procedure, open biopsy, or significant traumatic injury within 28 days prior to Day 0
- Core biopsy or other minor surgical procedures such as fine needle aspirations or core biopsies within 7 days prior to Day 0
- Pregnant (positive pregnancy test) or lactating. Use of effective means of contraception (men and women) in subjects of child-bearing potential is mandatory
- History of abdominal fistula, gastrointestinal perforation, or intra-abdominal abscess within 6 months prior to Day 0
- Known hypersensitivity to any component of bevacizumab or letrozole
- Inability to comply with study and/or follow-up procedures
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Behandeling
- Toewijzing: Gerandomiseerd
- Interventioneel model: Parallelle opdracht
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
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Actieve vergelijker: bevacizumab
brief exposure bevacizumab
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bevacizumab 10 mg/kg IV
Andere namen:
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Actieve vergelijker: bevacizumab and letrozole
brief exposure bevacizumab and letrozole
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bevacizumab 10 mg/kg IV
Andere namen:
Letrozole 2.5 mg po qd
Andere namen:
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Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
---|---|---|
Number of Patients With Objective Tumor Response
Tijdsspanne: Up to 18 weeks
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Clinical objective tumor response with 14 weeks of Neoadjuvant Letrozole combined with Bevacizumab was assessed using the following categories: Complete Response (CR): tumor is no longer visible. Partial response (PR): ≥ 50% decrease from baseline in the product of two perpendicular diameters, no new lesions. Progressive disease (PD): ≥ 25% increase of the product of two perpendicular diameters or new lesions. Stable Disease (SD): Neither CR, PR, or PD criteria met. Clinical tumor assessment was performed at baseline and every 2 weeks until week 18 prior to definitive surgery. |
Up to 18 weeks
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
---|---|---|
Breast Conservation
Tijdsspanne: Up to 14 weeks
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To assess breast conservation (actual surgery performed and baseline feasible surgery) of 14 weeks of neoadjuvant letrozole combined with bevacizumab. At baseline and immediately prior to surgery, the investigator will record the extent of the least invasive feasible surgery option at that time point, according to the following categories: 1. Breast conserving surgery is feasible; 2. A mastectomy is needed; 3. Tumor is inoperable, but potentially operable after neoadjuvant treatment. Following surgery, the investigator will record the extent of the actual surgery performed according to the following categories: 1. Breast conserving surgery performed; 2. Mastectomy performed 3. No surgery performed (reason should be specified). |
Up to 14 weeks
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Radiographic Tumor Response
Tijdsspanne: 18 weeks
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To assess radiographic tumor response after 14 weeks of Neoadjuvant Letrozole combined with Bevacizumab, mammogram were performed at baseline and at week 18 prior to definitive surgery. Tumors response was assessed using RECIST criteria RECIST: CR: Tumor is no longer visible PR: ≥ 30% decrease from baseline in the longest diameter, no new lesions PD: ≥ 20% increase in longest diameter recorded or new lesions SD: Neither CR, PR, or PD criteria met |
18 weeks
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Pathologic Complete Response
Tijdsspanne: Up to 18 weeks
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To assess pathologic complete response after 14 Weeks of Neoadjuvant Letrozole combined with Bevacizumab, the pathologic response was determined on the surgically excised specimen at the time of definitive surgery. The size of the residual tumor would be measured grossly if possible and confirmed microscopically. The excised residual tumor was be assessed using RECIST criteria. RECIST: CR: Tumor is no longer visible PR: ≥ 30% decrease from baseline in the longest diameter, no new lesions PD: ≥ 20% increase in longest diameter recorded or new lesions SD: Neither CR, PR, or PD criteria met |
Up to 18 weeks
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Tumor Response With Biological Correlates
Tijdsspanne: 2 weeks
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To correlate response with biological correlates detected at baseline and after 1 cycle of treatment with either Bevacizumab alone or Bevacizumab combined with Letrozole.
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2 weeks
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Drug Tolerability
Tijdsspanne: Up to 18 weeks
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To assess the tolerability of 14 weeks of Neoadjuvant Letrozole combined with Bevacizumab, individual toxicities were graded according to the National Cancer Institute (NCI) Common Toxicity Criteria (CTC) Version 3.0.
Information about all adverse events, whether volunteered by the subject, discovered by investigator questioning, or detected through physical examination, laboratory test or other means, were collected and recorded on the Adverse Event Case Report Form and followed as appropriate.
An adverse event (AE) is any undesirable sign, symptom or medical condition occurring after starting study drug (or therapy) even if the event is not considered to be related to study drug (or therapy).
Study drug (or therapy) includes the drug (or therapy) under evaluation, and any reference or placebo drug (or therapy) given during any phase of the trial.
AE's graded 3 or 4 would be considered serious and be reported as measures of tolerability.
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Up to 18 weeks
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Medewerkers en onderzoekers
Sponsor
Onderzoekers
- Hoofdonderzoeker: Gina Chung, M.D., Yale University
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 (Werkelijk)
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
- Antineoplastische middelen
- Hormonen, hormoonvervangers en hormoonantagonisten
- Antineoplastische middelen, immunologisch
- Angiogenese-remmers
- Angiogenese modulerende middelen
- Groei stoffen
- Groeiremmers
- Hormoon antagonisten
- Aromatase-remmers
- Steroïde syntheseremmers
- Oestrogeen antagonisten
- Letrozol
- Bevacizumab
Andere studie-ID-nummers
- 0609001793
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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