Lung cancer : journal of the International Association for the Study of Lung Cancer
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Comparative Study Clinical Trial
Single-agent pegylated liposomal doxorubicin (Caelix) in chemotherapy pretreated non-small cell lung cancer patients: a pilot trial.
Polyethylene glycol-coated (pegylated) liposomal doxorubicin (PLD) is a new formulation of doxorubicin with peculiar pharmacokinetic and pharmacodinamic properties, a favorable toxic profile and a demonstrated activity in solid tumors. We tested PLD in locally advanced or metastatic NSCLC patients, progressed after a platinum-based first-line chemotherapy. PLD was administered at the dose of 35 mg/m(2) every 21 days. ⋯ One confirmed partial response was observed (5.8%); five patients (29.4%) had stable disease (including one minor response) and nine (52.9%) had disease progression. Median time to progression was 9.5 weeks, median survival 18.6 weeks. PLD at the doses employed in this study can be safely administered and has shown activity in platinum pretreated NSCLC patients.
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We conducted a computed tomography (CT) screening for lung cancer in a high-risk population. Six hundred and two workers (38-81 years, 97% smokers) with asbestos-related occupational disease were screened using spiral CT and chest radiography. The national cancer registry was checked for possible false negative cases. ⋯ The sensitivity of CT screening was 100%. CT was capable of detecting early lung cancer in asbestos-exposed patients with a lot of confusing pulmonary and pleural pathology. Due to the high number of positive findings attention should be paid to patient compliance and the follow-up protocols and patient selection in future screening programmes.
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In the last years, the main topoisomerase I inhibitors (TP1-I) (i.e. topotecan and irinotecan) have been used in combination chemotherapy in non-small cell lung cancer. Several drugs (also alternative to cisplatin) have been used in combination with TP1-I, but to date the higher remission rate obtained with combinations is not translated into a more prolonged survival in comparison with TP1-I given alone. ⋯ Furthermore, the best schedule for TP1-I has not been completely elucidated. Randomised studies are few (only two phase III trials) and only controlled studies will be able to clarify the best TP1-I combination regimen.
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Endobronchial ultrasound (EBUS) is a new diagnostic tool, which has expanded the view of the bronchoscopist beyond the confinements of the airways. It has great potential for diagnosis of mediastinal processes and staging of lung cancer. These will be discussed and illustrated. EBUS will become a superior tool for staging of lung cancer, and several comparative studies on EBUS as compared with standard techniques in order to assess its role in the staging procedure are just on their way or already completed.
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Docetaxel, an active agent for non-small cell lung cancer (NSCLC), has demonstrated activity as a radiosensitizer in numerous pre-clinical studies. We conducted a phase I trial to determine the maximum-tolerated dose (MTD) and dose-limiting toxicities (DLT) of weekly Docetaxel, Carboplatin with concurrent thoracic radiation therapy (TRT) in patients with unresectable stage III NSCLC. ⋯ This combination regimen has activity with manageable toxicity in patients with stage III NSCLC. A phase II study is planned to define activity.