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01.12.2012 | Case report | Ausgabe 1/2012 Open Access

Journal of Medical Case Reports 1/2012

Synchronous lung and gastric cancers successfully treated with carboplatin and pemetrexed: a case report

Zeitschrift:
Journal of Medical Case Reports > Ausgabe 1/2012
Autoren:
Takashi Sato, Koji Tomaru, Tomoko Koide, Makoto Masuda, Masaki Yamamoto, Naoki Miyazawa, Yoshiaki Inayama, Takeshi Kaneko, Yoshiaki Ishigatsubo
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1752-1947-6-266) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors’ contribution

TS and TKo analyzed and interpreted the patient data and wrote the manuscript. KT, MM, MY, NM, YIn, TKa and YIs analyzed and interpreted the patient data. All authors have read and approved the final manuscript.

Abstract

Introduction

Lung and gastric cancers are the first and second leading causes of death from cancer worldwide, and are especially prevalent in Eastern Asia. Relatively few reports are available in relation to the treatment and outcome of synchronous lung and gastric cancers, although there are increasing numbers of patients with these cancers. Efforts to develop more effective drugs for the treatment of synchronous cancers, without serious adverse effects, have been intensifying. Pemetrexed, a multi-targeted antifolate enzyme inhibitor, was approved by the United States Food and Drug Administration as a first-line chemotherapy for advanced non-squamous non-small cell lung cancer in 2007. Although clinical activity against several tumor types of adenocarcinoma, including gastric cancer, has been demonstrated, the efficacy of pemetrexed for gastric cancer remains to be fully evaluated.

Case presentation

We report a case involving a 62-year-old Japanese woman with synchronous locally-advanced poorly-differentiated lung adenocarcinoma and poorly-differentiated gastric adenocarcinoma, containing signet-ring cells distinguished by immunohistochemical profiles. She had been treated with carboplatin and pemetrexed as a first-line chemotherapy for lung cancer, and had achieved partial responses for both lung and gastric cancers. These responses led to a favorable 12-month progression-free survival after the initiation of chemotherapy, and the patient is still alive more than 33 months after diagnosis.

Conclusions

This case suggests a new chemotherapeutic regimen for patients with synchronous multiple primary cancers that have an adenocarcinoma background.

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Zusatzmaterial
Authors’ original file for figure 1
13256_2012_2192_MOESM1_ESM.tiff
Authors’ original file for figure 2
13256_2012_2192_MOESM2_ESM.tiff
Authors’ original file for figure 3
13256_2012_2192_MOESM3_ESM.pdf
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