ArticleCureus2024
Dexamethasone-Sparing Antiemetic Prophylaxis for Chemotherapy-Induced Nausea and Vomiting in Highly and Moderately Emetogenic Chemotherapy: The SHEILD Study.
Article in Cureus, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundChemotherapy-induced nausea and vomiting (CINV) significantly impacts patient's quality of life and treatment adherence. This study investigated the efficacy of Generic Netupitant and Palonosetron tablets (Nykron) with dexamethasone single dose for CINV prophylaxis in patients receiving highly emetogenic chemotherapy (HEC) and moderately emetogenic chemotherapy (MEC). Additionally, this approach aligns with the principles of the SHIELD study (Sparing High Efficacy Intervention for Low Dose Dexamethasone), which focuses on maximizing antiemetic effectiveness while minimizing dexamethasone use. METHODOLOGY: This multicenter retrospective study evaluates data from patients who received HEC/MEC and were administered a fixed-dose combination of Generic NEPA (Netupitant 300 mg and Palonosetron 0.5 mg tablets, Nykron combi-pack) along with a single dose of dexamethasone (12 mg/8 mg) before chemotherapy. The data were collected from September 2022 till September 2023. Outcomes measured included complete response (no vomiting and no need for rescue medications), complete protection (no significant nausea (<2.5 cm on VAS), no vomiting, and no use of rescue medication), and complete control (no emetic episodes, no rescue therapy, and no nausea [0 cm on VAS]) during the acute phase (0-24 hours) and delayed phase (24-120 hours) post-chemotherapy.
resultsThe data of 372 patients was evaluated in which breast cancer was the most common cancer with 223 (59.95%) patients for which doxorubicin and cyclophosphamide (192, 51.61%) was the most administered chemotherapy combination. The second most common cancer was gastrointestinal (GI) cancer with stomach cancer in 47 (12.6%), colorectal cancer in 4 (1%), and pancreatic cancer in 2 (0.54%). A total of 360 (96.8%) patients received an HEC regimen across the cycle, while only 5 (1.3%) received an MEC regimen. The regimen demonstrated exceptional efficacy with a 96.9% overall response rate across all cycles. Complete control rates for acute CINV were 92% and 90% for delayed CINV across chemotherapy cycles. Complete response rates remained consistently high (94%-98%) across all cycles and overall phases. Only 3% of patients experienced anticipatory CINV.
conclusionsThis dexamethasone-sparing Generic NEPA regimen showed remarkable efficacy in CINV management for HEC/MEC regimen-receiving patients, maintaining high response rates in both acute and delayed across all cycles. These findings indicate a potential paradigm shift in CINV prophylaxis, necessitating further investigation through prospective, randomized controlled trials to validate long-term safety and efficacy.
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