15 February 2017 : Clinical Research
Combination of Aprepitant, Azasetron, and Dexamethasone as Antiemetic Prophylaxis in Women with Gynecologic Cancers Receiving Paclitaxel/Carboplatin TherapyMasafumi Koshiyama1ABCDEF*, Noriomi Matsumura1ABCDEF, Saeko Imai1ABCD, Koji Yamanoi1ABCD, Kaoru Abiko1ABCD, Yumiko Yoshioka1ABCD, Ken Yamaguchi1ABCD, Junzo Hamanishi1ABCD, Tsukasa Baba1ABCD, Ikuo Konishi1ABCD
Med Sci Monit 2017; 23:826-833
BACKGROUND: The aim of this study was to evaluate the antiemetic effect of aprepitant and to determine how to provide triple combination therapy (aprepitant/azasetron/dexamethasone) to women receiving paclitaxel/carboplatin moderately emetogenic chemotherapy (MEC).
MATERIAL AND METHODS: The current study was a prospective study of 163 women with gynecologic cancers. We compared the digestive symptoms scores (nausea, vomiting, appetite loss, and dietary intake) of 37 women with ovarian cancers before and after aprepitant administration. We also compared these symptoms in women who underwent 193 cycles of triple combination therapy with symptoms of women who underwent 226 cycles of double combination therapy. For triple combination therapy, azasetron, dexamethasone (reduced dose: 40% of 20 mg), and aprepitant (125 mg) were administered on Day 1, followed by only aprepitant (80 mg) administration on Days 2 and Day 3.
RESULTS: In 37 women with ovarian cancer, three symptoms, nausea, appetite loss, and dietary intake, were significantly improved by primarily adding aprepitant to double combination therapy in the delayed phase of MEC. Upon comparing their digestive symptoms in all cycles, however, these three symptoms were not significantly different in the delayed phase. Furthermore, all four symptoms in all cycles were worse following triple combination therapy than following double combination therapy in the acute phase (p<0.02). The control of digestive symptoms was generally insufficient without the administration of dexamethasone.
CONCLUSIONS: Primary aprepitant as an addition to MEC demonstrated efficacy in improving digestive symptoms in the delayed phase. However, its effect may decrease with repeated use. To improve the antiemetic effect, the dose reduction of dexamethasone should be restricted on Day 1 and dexamethasone should be used throughout the delayed phase as well.
Keywords: Antiemetics, Carboplatin, Dexamethasone, Endometrial Neoplasms, Ovarian Neoplasms
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