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Gynecol Oncol. 2015 Feb;136(2):218-23. doi: 10.1016/j.ygyno.2014.10.026. Epub 2014 Oct 31.

Phase II trial of oral etoposide plus intravenous irinotecan in patients with platinum-resistant and taxane-pretreated ovarian cancer (JCOG0503).

Author information

1
Hyogo Cancer Center, Japan. Electronic address: kojmatsu@hp.pref.hyogo.jp.
2
Nippon Medical School Musashikosugi Hospital, Japan.
3
JCOG Data Center, Multi-institutional Clinical Trial Support Center, National Cancer Center, Japan.
4
University of Tsukuba, Japan.
5
Jikei University Hospital, Japan.
6
National Cancer Center Hospital, Japan.
7
Tohoku University Hospital, Japan.
8
Kurume University School of Medicine, Japan.
9
Kyoto University Hospital, Japan.

Abstract

OBJECTIVE:

To assess the safety and efficacy of the combination of oral etoposide and intravenous irinotecan in patients with platinum-resistant and taxane-pretreated ovarian cancer.

METHODS:

Eligible patients (age, 20-75years; platinum-free interval, ≤28weeks) with an adequate organ function received oral etoposide (50mg/m(2) once a day) from day 1 to day 21 and intravenous irinotecan (70mg/m(2)) on days 1 and 15. The regimen was repeated every 28days up to 6cycles. The primary endpoint was the response rate (RR) with a threshold of 20%. The response was evaluated according to RECIST 1.0 and Gynecologic Cancer Intergroup CA-125 Response Definition, and toxicities were evaluated according to CTCAE version 3.0. This trial was registered at UMIN-CTR as UMIN000001837.

RESULTS:

Between April 1, 2009 and January 20, 2012, 61 patients were enrolled. Sixty patients were eligible. 1 CR and 12 PRs were confirmed; RR was 21.7% (p=0.42, the exact binomial test). PFS and OS were 4.1 and 11.9months, respectively. Major toxicities of ≥grade 3 were neutropenia (60%), anemia (36.7%), thrombocytopenia (11.7%), febrile neutropenia (18.3%), fatigue (13.3%), anorexia (11.7%), and nausea (11.7%). Three patients died from treatment related death (interstitial pneumonia, a pulmonary embolism, and DIC due to infection). Two of these patients were aged ≥65years.

CONCLUSIONS:

Oral etoposide and intravenous irinotecan had a moderate RR but did not meet the primary endpoint. Because of toxicity, we do not recommend this regimen outside of clinical trials. In particular, when considering this regimen for elderly patients, extreme caution is advised.

KEYWORDS:

Combination chemotherapy; Irinotecan; Oral etoposide; Ovarian cancer; Platinum resistant; Taxane pretreated

PMID:
25449313
DOI:
10.1016/j.ygyno.2014.10.026
[Indexed for MEDLINE]

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