The combination of vinorelbine plus gemcitabine is not more effective than single-agent vinorelbine or gemcitabine in the treatment of elderly patients with advanced NSCLC.
Pretreatment global QoL and IADL scores, but not ADL and comorbidity, have significant prognostic value for survival of elderly patients with advanced non-small-cell lung cancer who were treated with chemotherapy. Using these scores in clinical practice might improve prognostic prediction for treatment planning.
Bone metastases represents a common cause of morbidity in patients suffering many types of cancer: breast, lung, kidney, prostate, and multiple myeloma. Osteolytic metastases often cause severe pain, pathologic fractures, hypercalcemia, spinal cord compression, and other nerve-compression syndromes. Osteoclasts (OCs), cells deriving from granulocitic-macrophagic lineage, are responsible for osteolysis, which may be reduced by inhibiting both OCs formation and activity. By studying bone osteolytic metastases mechanism in solid tumors, we report here our findings that cancer patients with bone involvement display an increase in osteoclasts precursors, compared with both healthy controls and cancer patients without bone metastases. Peripheral blood mononuclear cells (PBMCs) from patients with osteolytic lesions show osteoclastogenesis without adding M-CSF, RANKL, or TNF-alpha. However, these factors are necessary to generate OCs from healthy donors, non-osteolytic patient PBMCs and T-cell depleted PBMCs. OCs derived from cancer patients show more resorption pits than OCs from healthy donors and express genes involved in osteoclastogenesis. Our data show that a spontaneous osteoclastogenesis occurs in patients affected by osteolytic lesions and may be supported by factors released by T lymphocytes. These factors could give a priming to osteoclast precursors and promote osteoclastogenesis. In fact, T-cell depleted PBMCs do not differentiate into OCs without adding M-CSF and RANKL. Moreover, we do not obtain a higher number of OCs by increasing RANKL doses in cultures, and OCs and T lymphocytes mRNA level are detected for TNF-alpha but not for RANKL. The addition of OPG to PBMCs cultures do not modify spontaneous osteoclastogenesis. A neutralizing anti-TNF-alpha antibody in unstimulated PBMC cultures of osteolytic cancer patients induces an inhibition of osteoclastogenesis. These data suggest that TNF-alpha may be responsible for osteoclastogenesis in these tumors.
Oral capecitabine (Xeloda s ) is an effective drug with favourable safety in adjuvant and metastatic colorectal cancer. Oxaliplatinbased therapy is becoming standard for Dukes' C colon cancer in patients suitable for combination therapy, but is not yet approved by the UK National Institute for Health and Clinical Excellence (NICE) in the adjuvant setting. Adjuvant capecitabine is at least as effective as 5-fluorouracil/leucovorin (5-FU/LV), with significant superiority in relapse-free survival and a trend towards improved disease-free and overall survival. We assessed the cost-effectiveness of adjuvant capecitabine from payer (UK National Health Service (NHS)) and societal perspectives. We used clinical trial data and published sources to estimate incremental direct and societal costs and gains in quality-adjusted life months (QALMs). Acquisition costs were higher for capecitabine than 5-FU/LV, but higher 5-FU/LV administration costs resulted in 57% lower chemotherapy costs for capecitabine. Capecitabine vs 5-FU/LV-associated adverse events required fewer medications and hospitalisations (cost savings d3653). Societal costs, including patient travel/time costs, were reduced by 475% with capecitabine vs 5-FU/LV (cost savings d1318), with lifetime gain in QALMs of 9 months. Medical resource utilisation is significantly decreased with capecitabine vs 5-FU/LV, with cost savings to the NHS and society. Capecitabine is also projected to increase life expectancy vs 5-FU/LV. Cost savings and better outcomes make capecitabine a preferred adjuvant therapy for Dukes' C colon cancer. This pharmacoeconomic analysis strongly supports replacing 5-FU/LV with capecitabine in the adjuvant treatment of colon cancer in the UK.
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