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A phase I clinical trial of irinotecan and carboplatin in patients with extensive stage small cell lung cancer

Crabb, Simon J., Bradbury, Jennifer, Nolan, Luke, Selman, Diana, Muthuramalingam, Sethupathi R., Cave, Judith, Johnson, Peter W.M. and Ottensmeier, Christian (2012) A phase I clinical trial of irinotecan and carboplatin in patients with extensive stage small cell lung cancer Chemotherapy, 58, (4), pp. 257-263. (doi:10.1159/000341274). (PMID:22907396).

Record type: Article


Background: Treatment options for small cell lung cancer (SCLC) remain inadequate. Irinotecan has been tested in various combinations with platinum agents but the optimal regimen remains uncertain. We undertook a phase I trial to optimise the dose intensity of a 3-weekly irinotecan/carboplatin combination. Methods: Twenty patients with extensive stage SCLC received intravenous carboplatin at an area under the curve (AUC) of 5 on day 1, and irinotecan in 40-70 mg/m(2) dose levels on days 1 and 8, every 21 days, for up to 6 cycles. Results: Dose-limiting toxicity occurred in 1 patient at the 50 mg/m(2) irinotecan level (grade 3 diarrhoea) and in 2 patients at 70 mg/m(2) (grade 5 neutropenic sepsis; combined grade 4 febrile neutropenia, grade 4 diarrhoea and grade 3 thrombosis). Toxicity patterns were consistent with the expected profile for this combination. The objective response rate was 75% and the median survival was 9.3 months (95% confidence interval 7.5-11.2). Conclusion: Irinotecan 60 mg/m(2) on days 1 and 8 combined with carboplatin AUC 5 every 21 days is recommended for phase II evaluation. This regimen has clinical activity, acceptable toxicity and greater dose intensity over those currently tested in phase III trials.

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Published date: 15 August 2012
Organisations: Cancer Sciences


Local EPrints ID: 342453
ISSN: 0009-3157
PURE UUID: 6567c2c1-3998-4bed-bb26-a7c5fd4e074f
ORCID for Peter W.M. Johnson: ORCID iD

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Date deposited: 30 Aug 2012 09:16
Last modified: 18 Jul 2017 05:28

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Author: Simon J. Crabb
Author: Jennifer Bradbury
Author: Luke Nolan
Author: Diana Selman
Author: Sethupathi R. Muthuramalingam
Author: Judith Cave

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