A Phase I Trial of Bortezomib in Combination with Epirubicin, Carboplatin and Capecitabine (VECarboX) in Advanced Gastric and Gastro-oesophageal Junction Adenocarcinoma

R.C. Turkington, C. Purcell, C.R. James, J. Millar, E. Napier, D. Law, R. Gallagher, M. Morris, R.H. Wilson, M.M. Eatock

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

PURPOSE:
The protease inhibitor bortezomib attenuates the action of NF-κB and has shown preclinical activity alone and in combination with chemotherapy.

DESIGN:
A Phase I dose-escalation study was performed administering bortezomib (0.7, 1.0, 1.3 and 1.6 mg m(-2) on days 1 and 8 from cycle 2 onwards) in combination with Epirubicin 50 mg m(-2) intravenously on day 1, Carboplatin AUC 5 day 1 and Capecitabine 625 mg m(-2) BD days 1-21 every 21 days (VECarboX regimen), in patients with advanced oesophagogastric adenocarcinoma. The primary objective was to define the maximum tolerated dose (MTD) of Bortezomib when combined with ECarboX.

RESULTS:
18 patients received bortezomib 0.7 (n = 6), 1.0 (n = 3), 1.3 (n = 6) and 1.6 mg m(-2) (n = 3) and a protocol amendment reducing the capecitabine dose to 500 mg m(-2) BD was enacted due to myelotoxicity. Common treatment-related non-haematological adverse events of any grade were fatigue (83.3 %), anorexia (55.6 %), constipation (55.6 %) and nausea (55.6 %). Common Grade 3/4 haematological toxicities were neutropenia (77.8 %) and thrombocytopenia (44.4 %). Objective responses were achieved in 6 patients (33.3 %) and a further 5 patients (27.8 %) had stable disease for >8 weeks.

CONCLUSIONS:
The addition of Bortezomib to ECarboX is well tolerated and response rates are comparable with standard chemotherapy.
Original languageEnglish
Pages (from-to)250-260
Number of pages11
JournalINVESTIGATIONAL NEW DRUGS
Volume32
Issue number2
Early online date11 May 2013
DOIs
Publication statusPublished - 01 Apr 2014

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