Our results support the validity of nurse toxicity reporting and that the nurse staff could be successfully employed in collecting toxicity data because of a greater ability to elicit information from patients than the medical staff.
Differences in hormone receptor and HER-2 status between primary tumour and corresponding relapse could have a substantial impact on clinical management of patients. The aim of this study was to evaluate change in expression of hormone receptors and HER-2 status between primary tumour and corresponding local recurrence or distant metastasis. We analysed 140 primary tumours and related recurrent or metastatic samples. Hormone receptors status was evaluated by immunohistochemistry, while HER-2 status by immunohistochemistry and silver in situ hybridisation. A change in HER-2 was rare; 3.7% of cases by immunohistochemistry and only 0.7% by silver in situ hybridisation analysis. A change in estrogen and progesterone receptors was seen in 6.4% and 21.4% of cases, respectively. Estrogen receptor change was not affected by adjuvant therapy, whereas progesterone receptor was influenced by adjuvant chemotherapy associated to hormone therapy (P = 0.0005). A change in progesterone receptor was more frequent in distant metastases than in local recurrences (P = 0.03). In the setting of estrogen receptor positive tumours, patients with progesterone receptor loss in local recurrence had a statistically significant lower median metastasis free survival compared to others patients; progesterone receptor positive, 112 months; progesterone receptor negative, 24 months (P = 0.005). A change between primary tumour and corresponding relapse is frequent for progesterone receptor, infrequent for estrogen receptor and rare for HER-2. In cases with changes in HER-2, it is worthwhile reassessing HER-2 status with both immunohistochemistry and in situ hybridisation analysis. Progesterone receptor loss seems to be influenced by therapy and to correlate with a worse prognosis.
We compared the anti-estrogen receptors (ER) SP1, 6F11, and 1D5 antibodies in breast carcinoma cases with different ranges of positive cells to evaluate whether this could generate different therapies for patients. We selected 66 cases of breast cancer, each of which was immunostained with the 3 antibodies. 1D5 was less sensitive than SP1 and 6F11, as seen in 26, 20, and 21 negative cases, respectively. Nine cases showed differences in endocrine-therapy indications, of which 8 1D5-negative cases showed low positivity for SP1 and/or 6F11. However, these cases were prevalently G3, progesterone receptor-negative or low-positive, with high Ki-67 and positive HER-2 findings, all biological features associated with endocrine resistance. Finally ER values obtained with these 3 antibodies had no implications for chemotherapy.
Supportive and Palliative Care Unit integration decreased chemotherapy use in the last 30 days of life. A careful evaluation of prognostic factors of advanced cancer patients and provision of appropriate supportive and palliative cares can reduce the use of futile anticancer chemotherapy and preserve a patient's qualify of life.
Triple-negative breast carcinomas represent a tumor group of pivotal clinical importance given the lack of target therapies. The prognostic significance of triple-negative breast carcinomas remains unclear because of their histological and molecular heterogeneity. Currently, neither prognostic nor predictive factors are available for these tumors. Retinoblastoma (Rb) pathway loss has been linked to clinical outcome in various cancer types, including breast cancer. We investigated the association between Rb and p16 protein expression and clinical outcome in no-special-type triple-negative breast carcinomas. Immunohistochemical staining for Rb, p16, p53 and CK5 was carried out on a section from archival specimens of 117 no-special-type triple-negative breast carcinomas. Immunopositive p16 (p16 þ ) and immunonegative Rb (Rb À ) staining were seen in 49.5% and in 24.8% of tumors, respectively. There was an inverse correlation between p16 þ and Rb À (Po0.001). P16 þ was correlated with G3 grade (Po0.001), high Ki-67 (P ¼ 0.03), p53 overexpression (Po0.001) and CK5 immunopositivity (P ¼ 0.01). Rb À was not associated with any clinicopathologic variable. Follow-up and therapy data were available in 95 patients. In 20 patients treated with surgery only, neither p16 þ nor Rb À immunostaining were associated with disease-free survival and overall survival. In 75 patients treated with adjuvant chemotherapy, p16 þ was associated with good response to therapy with significant increased disease-free survival (P ¼ 0.001) and showed a trend towards a statistical significance for increased overall survival (P ¼ 0.056); Rb À were not associated with disease-free survival and overall survival. In multivariate analysis, p16 þ was independently associated with disease-free and overall survival, with a hazard ratio of 0.18 (95% CI: 0.06-0.51; P ¼ 0.001) and 0.21 (95% CI: 0.06-0.74; P ¼ 0.015), respectively. In patients with no-specialtype triple-negative breast carcinomas, p16 þ is related to good response to adjuvant chemotherapy and can be considered the best surrogate marker for Rb pathway loss.
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