Journal
CANCER MEDICINE
Volume 8, Issue 5, Pages 2064-2073Publisher
WILEY
DOI: 10.1002/cam4.2091
Keywords
CINV; delayed phase; efficacy; multiple cycles; NEPA; netupitant
Categories
Funding
- Helsinn Healthcare SA
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Aim To assess the efficacy of oral NEPA (netupitant-palonosetron 300/0.50 mg) over multiple chemotherapy cycles. Methods Two randomized phase III studies evaluated a single dose of oral NEPA given on day 1 in chemotherapy-naive patients receiving anthracycline-cyclophosphamide (AC)-based (Study 1) or highly (HEC)/moderately (MEC) emetogenic chemotherapy (safety Study 2). Oral NEPA was compared with oral palonosetron 0.50 mg (Study 1) or oral aprepitant 125 mg day 1, 80 mg days 2-3/palonosetron 0.50 mg (Study 2; no formal statistical comparisons). Oral dexamethasone was administered in all treatment groups. Complete response (CR; no emesis/no rescue medication), no emesis, and no significant nausea (NSN) rates during acute (0-24 h) and delayed (>24-120 h) phases of chemotherapy cycles 1-4 in each study were evaluated. Results In Study 1, 1450 patients received 5969 chemotherapy cycles; in Study 2, 412 patients received 1961 chemotherapy cycles. In each study, >= 75% of patients completed 4 or more cycles. In Study 1, oral NEPA was superior to palonosetron in preventing chemotherapy-induced nausea and vomiting (CINV) in the acute and delayed phases of cycle 1, with higher rates of CR (all P < 0.05), no emesis (all P < 0.05), and NSN (delayed phase P < 0.05 cycles 1, 2, and 4) reported across 4 cycles. In Study 2, oral NEPA had numerically higher CR and NSN rates in the acute and delayed phases than aprepitant-palonosetron in MEC/HEC patients. Conclusion Oral NEPA was highly effective in preventing both acute and delayed CINV over multiple chemotherapy cycles of HEC, AC, and MEC regimens. Clinical trial registration numbers Study 1, NCT01339260; Study 2, NCT01376297.
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