Pathological Response for Basal Group 2
| Group | Value (Participants) |
|---|---|
| Group 2 (Basal) Standard Treatment | 16 |
| Group 2 (Basal) Selective Treatment | 14 |
Trial · Interventional
CompletedPhase 2Results postedRegistry dataSpain
1 trial · 1 completed · 1 with posted results
Selective Neoadjuvant Treatment According to Immunohistochemical Subtype for HER2 Negative Breast Cancer Patients
NCT0043217224 Apr 2007 to 1 Sept 2010
Text and fields below are the sponsor's entries at ClinicalTrials.gov, shown as posted.
This is an open-label study that includes two substudies of random distribution. First,a sample of the primary tumor will be obtained and will be analyzed by an immunohistochemical technique to determine several markers.Depending on the expression of these markers, the patients will be characterize as group 1 (Luminal A phenotype) or group 2 (Basal phenotype) and a random assignment will be performed to standard or experimental treatment.
Active comparator
Group 1 (Luminal A) Standard treatment
Standard treatment: Epirubicin (E) 90 mg/ m2 intravenous (iv) in combination with Cyclophosphamide (C) 600 mg/ m2 iv every 21 days for 4 cycles, followed by docetaxel (D)100 mg/m2 iv every 21 days for 4 cycles.
Experimental
Group 1 (Luminal A) Selective treatment
Selective treatment: Postmenopausal patients: exemestane x 6 months Premenopausal patients: goserelin x 6 months + exemestane x 6 months
Active comparator
Group 2 (Basal) Standard treatment
Standard treatment: Epirubicin (E) 90 mg/ m2 intravenous (iv) in combination with Cyclophosphamide (C) 600 mg/ m2 iv every 21 days for 4 cycles, followed by docetaxel (D)100 mg/m2 iv every 21 days for 4 cycles.
Experimental
Group 2 (Basal) Selective treatment
Selective treatment: Epirubicin (E) 90 mg/ m2 intravenous (iv) in combination with Cyclophosphamide (C) 600 mg/ m2 iv every 21 days for 4 cycles, followed by docetaxel (D)100 mg/m2 iv and carboplatin (Cb) (area under the curve = 6 mg/mL) iv every 21 days for 4 cycles.
Outcomes the sponsor listed as primary.
Pathological Response for Basal Group 2
Time frame · Up to 24 weeks
This primary outcome only applies for the basal group 2 as per protocol. The pathological response in luminal group 1 was not pre-specified even as a Secondary Outcome. Pathological response was assessed after surgery, according to the Miller \& Payne criteria, which stratifies the responses based on the proportion of remaining tumor and post-chemotherapy changes, evaluating separately the response in breast and axilla. Grades 1-4 are categorised as a partial pathological response (pPR) and grade 5 was a complete pathological response (cPR).
Clinical Response Rate
Time frame · Up to week 24
Clinical Response Rate was measured according to the Response Evaluation Criteria in Solid Tumors (RECIST) Criteria for target lesions before surgery: Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), \>=30% decrease in the sum of the longest diameter of target lesions; Overall Response (OR) = CR + PR.
Breast Conservative Surgery Rate
Time frame · Up to 24 weeks
All patients will undergo surgery within the expected period from the end of treatment with neoadjuvant therapy. The chosen surgical option will be collected in the Case Report Form (CRF) before starting the neoadjuvant treatment, depending on the characteristics Clinics of the patient at that time (conservative surgery or mastectomy). This information will be compared with definitive surgery, to analyze whether neoadjuvant treatment has contributed to increase the rate of conservative surgery.
Axillary Node Status at the Time of Surgery
Time frame · Up to 24 weeks
All the patients underwent lymphadenectomy in the foreseen term from the end of the treatment with neoadjuvant therapy, except for patients who underwent the technique of Sentinel lymph node with negative result before the start of the study treatment. Clinical lymph node involvement were collected in the CRF. Behind the lymphadenectomy, the rate of patients with affected lymph nodes, regardless of the type of response in the breast. To help find out if the cancer has spread outside the breast, one or more of the lymph nodes in the axilla (axillary lymph nodes) are removed for examination under a microscope. This is an important part of the determination of the stage. When the lymph nodes have cancer cells, there is a greater chance that the cancer cells have spread to other parts of the body. Decisions about treatment will depend on whether there is cancer in the lymph nodes.
Values are shown as posted at ClinicalTrials.gov, with their units. PepBank has not converted, pooled or compared them.
| Group | Value (Participants) |
|---|---|
| Group 2 (Basal) Standard Treatment | 16 |
| Group 2 (Basal) Selective Treatment | 14 |
| Group | Value (Participants) |
|---|---|
| Group 1 (Luminal A) Standard Treatment | 31 |
| Group 1 (Luminal A) Selective Treatment | 23 |
| Group 2 (Basal) Standard Treatment | 32 |
| Group 2 (Basal) Selective Treatment | 36 |
| Group | Value (Participants) |
|---|---|
| Group 1 (Luminal A) Standard Treatment | 22 |
| Group 1 (Luminal A) Selective Treatment | 27 |
| Group 2 (Basal) Standard Treatment | 31 |
| Group 2 (Basal) Selective Treatment | 34 |
| Group | Value (Participants) |
|---|---|
| Group 1 (Luminal A) Standard Treatment | 15 |
| Group 1 (Luminal A) Selective Treatment | 14 |
| Group 2 (Basal) Standard Treatment | 31 |
| Group 2 (Basal) Selective Treatment | 32 |
| Group | Deaths | Serious events | Other events |
|---|---|---|---|
| Group 1 (Luminal A) Standard TreatmentEpirubicin (E) 90 mg/ m2 intravenous (iv) in combination with Cyclophosphamide (C) 600 mg/ m2 iv every 21 days for 4 cycles, followed by docetaxel (D)100 mg/m2 iv every 21 days for 4 cycles. | 0 / 45 | 5 / 45 | 45 / 45 |
| Group 1 (Luminal A) Selective TreatmentPostmenopausal patients: exemestane x 6 months Premenopausal patients: goserelin x 6 months + exemestane x 6 months | 0 / 46 | 0 / 46 | 46 / 46 |
| Group 2 (Basal) Standard TreatmentEpirubicin (E) 90 mg/ m2 intravenous (iv) in combination with Cyclophosphamide (C) 600 mg/ m2 iv every 21 days for 4 cycles, followed by docetaxel (D)100 mg/m2 iv every 21 days for 4 cycles. | 0 / 46 | 16 / 46 | 46 / 46 |
| Group 2 (Basal) Selective TreatmentEpirubicin (E) 90 mg/ m2 intravenous (iv) in combination with Cyclophosphamide (C) 600 mg/ m2 iv every 21 days for 4 cycles, followed by docetaxel (D)100 mg/m2 iv and carboplatin (Cb) (area under the curve = 6 mg/mL) iv every 21 days for 4 cycles. | 0 / 47 | 9 / 47 | 47 / 47 |
Each cell reads participants affected / participants at risk, as the registry posted them.
Registry data comes from ClinicalTrials.gov. Study results come from studies, not from the registry. How PepBank works
Studies that cite this trial.
1 study on this page
Indexing hint: Randomized controlled trial · 2012
Alba et al. 2012Annals of oncology : official journal of the European Society for Medical Oncologycited by 149
PMID 22674146DOI 10.1093/annonc/mds132PUB-22674146
References listed at the registry that are not in PepBank. They link to PubMed.
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