Abstract
12070 Background: Although the reports suggest 15-25% cancer patients receiving highly- and moderately emetogenic chemotherapy (HEC and MEC) experience nausea and vomiting beyond day 5, majority of clinical trials focus on delayed chemotherapy induced nausea and vomiting (CINV) only during the first 5 days of treatment. Here we present a real world observational data with fixed combination of IntraVenous (Fos)NEtupitant and Palonosetron (IV NEPA) in preventing nausea/vomiting in delayed and extended delayed phase among patients receiving HEC/MEC. Methods: An open label, single arm, multicentre, phase IV prospective trial was conducted at six centres following individual Institutional Ethics Committee approval (CTRI/2023/04/051951). Patients in acute (0-24hrs), delayed (>24-120hrs), extended delayed (>120-240hrs) phases and extended overall phase (0-240hrs) were assessed for complete response (CR) (no vomiting and no need of rescue medication), complete protection (CP) [CR + no significant nausea (5mm to <25mm) on visual analogue scale], complete control (CC) [CR + no nausea (<5mm)] and safety. Results: Among 178 patients (Males-114, Females-64), 90 (50.56%) received HEC and 88 (49.44%) received MEC regimen. Cisplatin-Paclitaxel (19.10%) and Carboplatin-Paclitaxel (35.39%) were the most common HEC and MEC regimens respectively. Overall, CR in delayed and extended delayed phases were 93.26% and 96.07% respectively. Furthermore, CP and CC in delayed and extended delayed phases were 92.13% and 96.07% and 81.46% and 90.45% respectively (Table). In general, IV NEPA was well tolerated, as only 9.55% of patients experienced adverse events with 95.83% of them being mild in nature. Headache (2.25%) and injection site reactions (1.68%) were the most common adverse effect reported. Conclusions: IV NEPA demonstrated high efficacy and good tolerability in a real world Indian setting, exhibiting response rates of >92% in both delayed and extended delayed phases in patients receiving HEC/MEC regimens. Clinical trial information: CTRI/2023/04/051951. [Table: see text]
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