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J Thorac Oncol. 2008 Nov;3(11):1279-85. doi: 10.1097/JTO.0b013e31818b1971.

Long-term follow-up of a phase I/II trial of dose escalating three-dimensional conformal thoracic radiation therapy with induction and concurrent carboplatin and paclitaxel in unresectable stage IIIA/B non-small cell lung cancer.

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  • 1Division of Hematology/Oncology, Multidisciplinary Thoracic Oncology Program, Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7305, USA. thomas_stinchcombe@med.unc.edu

Abstract

BACKGROUND:

We conducted a modified phase I/II trial investigating the incorporation of three-dimensional conformal thoracic radiation therapy (TCRT) into the treatment paradigm of induction and concurrent carboplatin and paclitaxel in patients with unresectable stage IIIA/B non-small cell lung cancer.

METHODS:

Patients received 2 cycles of induction carboplatin (area under the curve of 6) and paclitaxel (225 mg/m) on days 1, and 22. On day 43 concurrent TCRT and weekly x6 of carboplatin (area under the curve = 2) and paclitaxel (45 mg/m) was initiated. The TCRT dose was escalated from 60 to 74 Gy in 4 cohorts (60, 66, 70, and 74 Gy), and the 74 Gy cohort was expanded into a phase II trial.

RESULTS:

Sixty-two patients were enrolled; the median age 57 years (range, 36-82), 39 were male (63%), 61 (98%) had a performance status of 0 or 1, 28 (45%) had stage IIIA disease, 21 (34%) had >5% weight loss, and the median forced expiratory volume 1 = 2.10 liters (range, 1.02-3.75). With a median follow-up for survivors of approximately 9 years (range, 7-11 years) the median progression-free survival, time to tumor progression, and overall survival (OS) (with 95% confidence intervals) were 10 (8.5-17), 15 (9-50), and 25 months (18-37), respectively. The 5-year progression-free survival and OS rates were 21% (12-32%) and 27% (17-39%), respectively. The 10-year OS rate was 14% (7-25%).

CONCLUSION:

The long term survival rate compares favorably to other treatment approaches for stage III non-small cell lung cancer.

PMID:
18978563
[PubMed - indexed for MEDLINE]
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