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Study | Year | Sample size | Design/population | Method | Outcome |
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Zhou et al. [22] | 2012 | 24 | Lung cancer patients under chemotherapy in various age-gender groups | Case-control | Citrus aurantium extract reduces nausea and vomiting in patients with lung cancer as compared to control group |
Pelletier and Ravi [23] | 2013 | 58 | Women over 20 years of age with ovary cancer receiving chemotherapy | Case-control | Citrus aurantium capsule reduces nausea and vomiting in women with ovary cancer receiving chemotherapy as compared to placebo group |
Laniyonu et al. [24] | 2011 | 42 | Cancer patients under chemotherapy in various age-gender groups | Case-control | Hypericum perforatum L. reduces nausea and vomiting in patients with lung cancer as compared to control group |
Tian et al. [25] | 2012 | 70 | Patients under chemotherapy in various age-gender groups | Case-control | Achillea millefolium L. reduces CINV by about 23% in test group as compared to placebo group |
Steingraber and Alrawi [26] | 2013 | 96 | Cancer patients under chemotherapy in various age-gender groups | Case-control | Zingiber officinale is more effective on reducing CINV as compared to Citrus aurantium, Hypericum perforatum L., and Achillea millefolium L. |
Eberhart and Sripramote [28] | 2011 | 43 | Women with ovary cancer receiving chemotherapy in various age groups | Case-control | Zingiber officinale is more effective on reducing CINV in delayed phase |
Sontakke et al. [29] | 2003 | 50 | Cancer patients under chemotherapy in various age-gender groups | Case-control | Zingiber officinale is more effective on reducing CINV as compared to metoclopramide |
Eberhart et al. [30] | 2003 | 180 | Women undergoing genital tract laparoscopy | Clinical trial | The null effect of Zingiber officinale on nausea and vomiting |
Nanthakomon and Pongrojpaw [31] | 2006 | 80 | Cancer patients under chemotherapy in various age-gender groups | Case-control | The effectiveness of Zingiber officinale on nausea and vomiting was reported |
Beytz and Ratehanon [32] | 2012 | 67 | Cancer patients under chemotherapy in various age-gender groups | Case-control | Zingiber officinale is more effective on reducing CINV as compared to placebo |
Levine et al. [33] | 2008 | 73 | Cancer patients under chemotherapy in various age-gender groups | Case-control | Zingiber officinale together with protein in the diet reduces delayed nausea and the consumption of antinausea drugs |
Kasper and Pierce [34] | 2011 | 52 | Cancer patients under chemotherapy in various ages | Case-control | Further effectiveness of Zingiber officinale as compared to dimenhydrinate |
Ozgoli et al. [35] | 2009 | 80 | Cancer patients under chemotherapy in various ages | Case-control | Zingiber officinale is emphasized as a herbal medication for controlling CINV |
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