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Clinical Trial
. 2020 Sep;60(3):568-576.
doi: 10.1016/j.jpainsymman.2020.03.034. Epub 2020 Apr 8.

Phase 3 Study of Palonosetron IV Infusion Vs. IV Bolus for Chemotherapy-Induced Nausea and Vomiting Prophylaxis After Highly Emetogenic Chemotherapy

Meinolf Karthaus  1 , Daniel Voisin  2 , Giada Rizzi  3 , Tudor Ciuleanu  4
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Free article
Clinical Trial

Phase 3 Study of Palonosetron IV Infusion Vs. IV Bolus for Chemotherapy-Induced Nausea and Vomiting Prophylaxis After Highly Emetogenic Chemotherapy

Meinolf Karthaus et al. J Pain Symptom Manage. 2020 Sep.
Free article

Abstract

Context: Palonosetron (PALO) is one of the two active components of NEPA, the fixed-combination antiemetic comprising netupitant (oral)/fosnetupitant (IV) and PALO. To increase the convenience of NEPA administration, especially for patients with swallowing difficulties, an IV NEPA formulation has been developed, where PALO is administered as a 30-minute infusion instead of the approved 30-second bolus.

Objectives: To determine the efficacy and safety of the PALO component used in IV NEPA.

Methods: Noninferiority, double-blind, and randomized Phase 3 trial in chemotherapy-naive adult patients with cancer requiring highly emetogenic chemotherapy. Patients were randomized to receive a single dose of PALO 0.25 mg administered IV either as a 30-minute infusion or as a 30-second bolus before highly emetogenic chemotherapy. The primary objective was to demonstrate noninferiority of the 30-minute infusion vs. 30-second bolus in terms of complete response (CR; no emesis and no rescue medication) in the acute phase. Secondary efficacy endpoints were CR in the delayed and overall phases and no emesis and no rescue medication in all phases. Safety was a secondary endpoint.

Results: Overall, 440 patients received study treatment. In the infusion group, 186 (82.7%) patients reported CR in the acute phase vs. 186 (86.5%) patients in the bolus group, demonstrating the noninferiority of PALO infusion vs. bolus (P < 0.001). Secondary endpoints showed similar results between the two treatment groups.

Conclusion: PALO 0.25-mg 30-minute IV infusion was noninferior to 30-second IV bolus in terms of CR rate in the acute phase. These results support the use of PALO 0.25 mg as a component of IV NEPA.

Keywords: CINV; HEC; IV formulation; NEPA; palonosetron.

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