Safety Profile of Niraparib as Maintenance Therapy for Ovarian Cancer: A Systematic Review and Meta-Analysis

Background: Patients with epithelial ovarian cancer (EOC), treated with niraparib maintenance, present with haematological and gastrointestinal toxicities. Limited data exist on niraparib safety assessment. Objective: To evaluate niraparib safety profile, as maintenance therapy, in women with platin...

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Main Authors: Antonia Pagkali, Ioannis Mamais, Adamantios Michalinos, Aris P. Agouridis
Format: Article
Language:English
Published: MDPI AG 2022-01-01
Series:Current Oncology
Subjects:
Online Access:https://www.mdpi.com/1718-7729/29/1/29
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author Antonia Pagkali
Ioannis Mamais
Adamantios Michalinos
Aris P. Agouridis
author_facet Antonia Pagkali
Ioannis Mamais
Adamantios Michalinos
Aris P. Agouridis
author_sort Antonia Pagkali
collection DOAJ
description Background: Patients with epithelial ovarian cancer (EOC), treated with niraparib maintenance, present with haematological and gastrointestinal toxicities. Limited data exist on niraparib safety assessment. Objective: To evaluate niraparib safety profile, as maintenance therapy, in women with platinum-sensitive EOC. Methods: PubMed and Cochrane searches were carried out up to April 2021 for randomised controlled trials (RCTs) evaluating niraparib versus placebo in EOC patients with a response to platinum-based chemotherapy. Regarding the meta-analysis, for dichotomous data, the pooled risk ratio (RR) was calculated. Results: A total of 1539 patients from three RCTs revealed that niraparib-treated patients are associated with a significantly higher risk of any grade of nausea (RR, 2.15; 95% CI, 1.86 to 2.48), fatigue (RR, 1.26; 95% CI, 1.05 to 1.52, <i>p</i> < 0.00001), anemia (RR, 6.86; 95% CI, 2.54 to 18.52, <i>p</i> = 0.0001), thrombocytopenia (RR, 7.02; 95% CI, 1.68 to 29.38, <i>p</i> < 0.00001), vomiting (RR, 2.51; 95% CI, 1.50 to 4.19, <i>p</i> = 0.0005), neutropenia (RR, 2.96; 95% CI, 1.13 to 7.73, <i>p</i> < 0.00001), headache (RR, 2.08; 95% CI, 1.57 to 2.74, <i>p</i> < 0.00001), constipation (RR, 2.10; 95% CI, 1.72 to 2.57, <i>p</i> < 0.00001) and insomnia (RR, 2.48; 95% CI, 1.52 to 2.89, <i>p</i> = 0.0003) when compared with placebo. For grade 3 or 4 adverse effects, significantly higher risk was only noted for fatigue (RR,6.25; 95% CI, 1.70 to 23.05, <i>p</i> = 0.006), anemia (RR, 16.23; 95% CI, 4.86 to 54.17, <i>p</i> < 0.00001), thrombocytopenia (RR, 35.12; 95% CI, 12.23 to 100.82, <i>p</i> < 0.00001) and neutropenia episodes (RR, 6.35; 95% CI, 2.08 to 19.39, <i>p</i> = 0.001) for those taking niraparib. Notably, incidents of adverse effects and discontinuation rates were substantially lower among patients treated with an individualised niraparib dose than those treated with the standard one. Efficacy was not reduced, and no treatment-related deaths occurred during the included trials. Conclusion: Niraparib is considered an effective and well-tolerated choice, with an improved safety profile, for the maintenance treatment of EOC patients.
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spelling doaj.art-17b009ad475a44979812aa775b3ad1152023-11-23T13:26:05ZengMDPI AGCurrent Oncology1198-00521718-77292022-01-0129132133610.3390/curroncol29010029Safety Profile of Niraparib as Maintenance Therapy for Ovarian Cancer: A Systematic Review and Meta-AnalysisAntonia Pagkali0Ioannis Mamais1Adamantios Michalinos2Aris P. Agouridis3School of Medicine, European University Cyprus, Nicosia 2404, CyprusDepartment of Health Sciences School of Sciences, European University Cyprus, Nicosia 2404, CyprusSchool of Medicine, European University Cyprus, Nicosia 2404, CyprusSchool of Medicine, European University Cyprus, Nicosia 2404, CyprusBackground: Patients with epithelial ovarian cancer (EOC), treated with niraparib maintenance, present with haematological and gastrointestinal toxicities. Limited data exist on niraparib safety assessment. Objective: To evaluate niraparib safety profile, as maintenance therapy, in women with platinum-sensitive EOC. Methods: PubMed and Cochrane searches were carried out up to April 2021 for randomised controlled trials (RCTs) evaluating niraparib versus placebo in EOC patients with a response to platinum-based chemotherapy. Regarding the meta-analysis, for dichotomous data, the pooled risk ratio (RR) was calculated. Results: A total of 1539 patients from three RCTs revealed that niraparib-treated patients are associated with a significantly higher risk of any grade of nausea (RR, 2.15; 95% CI, 1.86 to 2.48), fatigue (RR, 1.26; 95% CI, 1.05 to 1.52, <i>p</i> < 0.00001), anemia (RR, 6.86; 95% CI, 2.54 to 18.52, <i>p</i> = 0.0001), thrombocytopenia (RR, 7.02; 95% CI, 1.68 to 29.38, <i>p</i> < 0.00001), vomiting (RR, 2.51; 95% CI, 1.50 to 4.19, <i>p</i> = 0.0005), neutropenia (RR, 2.96; 95% CI, 1.13 to 7.73, <i>p</i> < 0.00001), headache (RR, 2.08; 95% CI, 1.57 to 2.74, <i>p</i> < 0.00001), constipation (RR, 2.10; 95% CI, 1.72 to 2.57, <i>p</i> < 0.00001) and insomnia (RR, 2.48; 95% CI, 1.52 to 2.89, <i>p</i> = 0.0003) when compared with placebo. For grade 3 or 4 adverse effects, significantly higher risk was only noted for fatigue (RR,6.25; 95% CI, 1.70 to 23.05, <i>p</i> = 0.006), anemia (RR, 16.23; 95% CI, 4.86 to 54.17, <i>p</i> < 0.00001), thrombocytopenia (RR, 35.12; 95% CI, 12.23 to 100.82, <i>p</i> < 0.00001) and neutropenia episodes (RR, 6.35; 95% CI, 2.08 to 19.39, <i>p</i> = 0.001) for those taking niraparib. Notably, incidents of adverse effects and discontinuation rates were substantially lower among patients treated with an individualised niraparib dose than those treated with the standard one. Efficacy was not reduced, and no treatment-related deaths occurred during the included trials. Conclusion: Niraparib is considered an effective and well-tolerated choice, with an improved safety profile, for the maintenance treatment of EOC patients.https://www.mdpi.com/1718-7729/29/1/29niraparibmaintenance therapysafety profilemeta-analysisovarian cancerrandomised controlled trials
spellingShingle Antonia Pagkali
Ioannis Mamais
Adamantios Michalinos
Aris P. Agouridis
Safety Profile of Niraparib as Maintenance Therapy for Ovarian Cancer: A Systematic Review and Meta-Analysis
Current Oncology
niraparib
maintenance therapy
safety profile
meta-analysis
ovarian cancer
randomised controlled trials
title Safety Profile of Niraparib as Maintenance Therapy for Ovarian Cancer: A Systematic Review and Meta-Analysis
title_full Safety Profile of Niraparib as Maintenance Therapy for Ovarian Cancer: A Systematic Review and Meta-Analysis
title_fullStr Safety Profile of Niraparib as Maintenance Therapy for Ovarian Cancer: A Systematic Review and Meta-Analysis
title_full_unstemmed Safety Profile of Niraparib as Maintenance Therapy for Ovarian Cancer: A Systematic Review and Meta-Analysis
title_short Safety Profile of Niraparib as Maintenance Therapy for Ovarian Cancer: A Systematic Review and Meta-Analysis
title_sort safety profile of niraparib as maintenance therapy for ovarian cancer a systematic review and meta analysis
topic niraparib
maintenance therapy
safety profile
meta-analysis
ovarian cancer
randomised controlled trials
url https://www.mdpi.com/1718-7729/29/1/29
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