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View Clinical Trial (Medical Research Study)
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ALTTO (Adjuvant Lapatinib And/Or Trastuzumab Treatment Optimisation) Study; BIG 2-06/N063D - NCT00490139-Roma - 00430 (Clinical Trial 174117)
Permalink: http://www.ClinicalConnection.com/exp/ExpandedPatientViewStudy174117.aspx
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| City: |
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Roma |
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Country:
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Italy |
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| Conditions: |
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Breast Cancer |
| Purpose: |
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This is a randomised, open label multi-centre phase III study comparing the activity of
lapatinib alone versus trastuzumab alone versus trastuzumab followed by lapatinib versus
lapatinib concomitantly with trastuzumab in the adjuvant treatment of patients with ErbB2
overexpressing and/or amplified breast cancer.
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| Study summary: |
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| Criteria: |
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Inclusion Criteria:
- Age ≥ 18 years
- Eastern Cooperative Oncology Group (ECOG) performance status ≤ 1;
- Non-metastatic operable primary invasive adenocarcinoma of the breast fulfilling the
following:
1. Histologically confirmed
2. Adequately excised (exceptions: patients who have 'non-resectable' deep margin
invasion are eligible provided they have had or will receive radiotherapy
encompassing the region concerned; patients with histologically documented
infiltration of the skin (pT4) are eligible provided they have undergone or will
receive radiotherapy encompassing the tumour bed);
3. Axilla dissected; sentinel node sampling is allowed provided that axillary
dissection follows confirmation of a positive sentinel node; sentinel node
sampling alone is NOT acceptable after neoadjuvant chemotherapy (in patients
receiving neoadjuvant chemotherapy lymph node status will be considered unknown,
regardless of the results of post-chemotherapy axillary dissection);
4. Axillary node positive patient OR node negative patient with a tumour greater
than or equal to 1.0 cm in greatest diameter. For clarification, isolated tumour
cells (ITC) are considered pN0 and micrometastases are considered pN1
- Known hormone receptor status (ER/PgR or ER alone)
- Must have received at least four cycles of an approved anthracycline-based (neo-)
adjuvant chemotherapy regimen. For Design 1: Randomization must be performed no longer
than 12 weeks from day 1 of the last chemotherapy cycle after obtaining a
post-chemotherapy LVEF ≥ 50. Study treatment should start no more than 14 days after
randomization For Design 2: Randomization must be performed no longer than 6 weeks
from day 1 of the last anthracycline-containing chemotherapy cycle after obtaining a
post-anthracycline chemotherapy LVEF ≥ 50. Study treatment should start no more than
14 days after randomization and must be concurrent with taxanes.
- Baseline LVEF ≥50% measured by echocardiography or MUGA scan after completion of all
anthracycline-based (neo-) adjuvant chemotherapy and prior to the targeted
therapy(ies).
- Over expression and/or amplification of HER2 in the invasive component of the primary
tumour (in case of neoadjuvant treatment, tissue sample used for HER2 testing should
be collected before neoadjuvant treatment starts), according to one of the following
definitions [Wolff et al 2007] and confirmed by central laboratory prior to
randomization:
- 3+ over expression by IHC (> 30% of invasive tumour cells);
- 2+ or 3+ (in 30% or less neoplastic cells) over expression by IHC AND in situ
hybridization (FISH/CISH) test demonstrating HER2 gene amplification;
- HER2 gene amplification by FISH/CISH ( > 6 HER2 gene copies per nucleus, or a FISH
ratio [HER2 gene copies to chromosome 17 signals] of > than 2.2.) Patients with a
negative or equivocal overall result (FISH test ratio of ≤ 2.2, ≤ 6.0 HER2 gene copies
per nucleus) and staining scores of 0, 1+, 2+ or 3+ (in 30% or less neoplastic cells)
by IHC are not eligible for participation in the trial. Equivocal local results may be
submitted for a final determination by the central laboratory.
- Completion of all necessary baseline laboratory and radiological investigations
- Signed written informed consent (approved by an Independent Ethics Committee (IEC) and
obtained prior to any study specific screening procedures).
Exclusion Criteria:
- History of any prior (ipsi- and/or contralateral) invasive breast carcinoma;
- Past (less than 10 years) or current history of malignant neoplasms, except for
curatively treated 1) basal and squamous cell carcinoma of the skin or 2) carcinoma in
situ of the cervix. NOTE: Patients with a prior malignancy diagnosed greater than 10
years in the past who have been curatively treated with surgery ONLY, WITHOUT
radiation therapy or systemic therapy (chemotherapy or endocrine) are eligible for the
study. Patients with any prior diagnosis of breast cancer or melanoma, at any time,
are excluded from this study.
- Any clinically staged T4 tumour, including inflammatory breast cancer;
- Bilateral tumours;
- This exclusion criterion has been removed as of protocol amendment 1.
NOTE: multifocal/multicentric tumours are permitted:
- If the patient is node-negative: one of the lesions must be equal or greater than 1.0
cm (sum of the lesion diameters is not acceptable) AND must have positive HER2 status
centrally-confirmed;
- If patient is node-positive: lesion size does not matter BUT one of the lesions must
have HER2 positivity centrally-confirmed. If several lesions are found to be HER2
positive locally, the largest lesion should be considered for central review.
- Maximum cumulative dose of doxorubicin >360mg/m² or maximum cumulative dose of
epirubicin >720mg/m² or any prior anthracyclines unrelated to the present breast
cancer;
- (Neo-) or adjuvant chemotherapy using peripheral stem cell or bone marrow stem cell
support;
- Any prior mediastinal irradiation except internal mammary node irradiation for the
present breast cancer;
- Patients with positive or suspicious internal mammary nodes identified by sentinel
node technique which have not been irradiated or will not be irradiated, or patients
with supraclavicular lymph node involvement (confirmed by fine needle aspirate or
biopsy);
- Prior use of anti-HER2 therapy for any reason or other prior biologic or immunotherapy
for breast cancer;
- Concurrent anti-cancer treatment, except hormonal therapy or radiotherapy for the
present breast cancer;
- Concurrent anti-cancer treatment in another investigational trial with hormone therapy
or immunotherapy unless approved by the Executive Committee:
- Serious cardiac illness or medical conditions including but not confined to:
History of documented congestive heart failure (CHF) or systolic dysfunction (LVEF <50%);
High-risk uncontrolled arrhythmias (ventricular tachycardia, high-grade AV-block,
supraventricular arrhythmias which are not adequately rate-controlled); Angina pectoris
requiring antianginal medication; Clinically significant valvular heart disease; Evidence
of transmural infarction on ECG; Poorly controlled hypertension (e.g. systolic >180mm Hg or
diastolic >100mm Hg);
- Other concurrent serious diseases that may interfere with planned treatment including
severe pulmonary conditions/illness;
- Any of the following abnormal laboratory tests immediately prior to randomization:
serum total bilirubin >1.5 x upper limit of normal (ULN), in the case of known Gilbert's
syndrome, a higher serum total bilirubin (<2 X ULN) is allowed; alanine amino transferase
(ALAT) or aspartate amino transferase (ASAT) >2.5 x ULN; alkaline phosphatase (ALP) > 2.5 x
ULN; serum creatinine >2.0 x ULN; total white blood cell count (WBC) <2.5 x 10^9/L;
absolute neutrophil count <1.5 x 10^9/L; platelets <100 x 10^9/L.
- Unresolved or unstable serious adverse events from prior adjuvant chemotherapy or
radiotherapy;
- Malabsorption syndrome, any disease significantly affecting gastrointestinal function,
or resection of the stomach or small bowel, or persons unable to swallow oral
medication. Subjects with ulcerative colitis are also excluded;
- Pregnant, lactating or women of childbearing potential without a negative pregnancy
test - urine or serum - within 7 days prior to randomization, irrespective of the
method of contraception used, including tubal ligation;
- Women of childbearing potential and male participants with partners of child bearing
potential, including women whose last menstrual period was <12 months ago (unless
surgically sterile) who are unable or unwilling to use adequate contraceptive measures
during study treatment (adequate contraceptive measures: intra-uterine device, barrier
method - condoms, diaphragm - also in conjunction with spermicidal jelly, or total
abstinence.
Oral, injectable, or implant hormonal contraceptives are not indicated in this patient
population);
- Concomitant use of CYP3A4 inhibitors or inducers. |
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If you are interested in this clinical trial please use the contact information above. If you would like to get additional information about this clinical trial please visit ClinicalTrials.gov.
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| Data Source: |
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ClinicalTrials.gov |
| Date Processed: |
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September 1, 2009 |
Modifications to
this listing: |
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Only selected fields are shown, please use the link
above to view all information about this clinical trial. |
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Clinical trials are medical research studies designed to test the safety and/or
effectiveness of new drugs, devices, or treatments in humans. These studies are
conducted worldwide for a range of conditions and illnesses. Learn more about
clinical research and participating in a study at
About Clinical Trials.
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