Nigella sativa powder for helicobacter pylori infected patients: a randomized, double-blinded, placebo-controlled
Hedieh Yousefnejad1, Farzaneh Mohammadi1,2, Mahvash Alizadeh-Naini3
1Department of Clinical Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.
Objective:
This double-blind, placebo-controlled, clinical trial was conducted to define the effects of Nigella sativa (N. Sativa) powder plus conventional medical treatment of Helicobacter pylori (H. pylori) on serum ghrelin level and appetite in H. pylori-infected patients.
Methods:
In the present study, 51 H. pylori-positive patients were randomly allocated to treatment (n = 26) or placebo (n = 25) groups. They received 2 g/day N. Sativa with quadruple therapy or 2 g/day placebo plus quadruple therapy for 8 weeks. The serum level of ghrelin was assessed before and after the intervention. Appetite was evaluated at the onset and at the end of the intervention.
Results:
At the end of the study, the appetite of the treatment group improved significantly compared with the placebo group (P = 0.02). Statistically, the difference in serum ghrelin levels between the study's groups was insignificant (P > 0.05).
Conclusion:
Supplementation with N. Sativa powder may be a beneficial adjunctive therapy in H. pylori-infected patients.
Trial Registration:
This study was registered in the Iranian Registry of Clinical Trials (IRCT20170916036204N7) on 08/08/2018.
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