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Central Nervous System Agents in Medicinal Chemistry

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ISSN (Print): 1871-5249
ISSN (Online): 1875-6166

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Clinical Trial

Effect of Tomato (Solanum lycopersicum) Extract in Patients with Primary Insomnia: A Double-blind Randomized Study

Author(s): Parvin dehnavi, Hassan Rakhshandeh, Elham Bakhtiari, Hadi Asadpour, Seyed Mostafa Moshirian Farahi and Fatemeh Forouzanfar*

Volume 23, Issue 2, 2023

Published on: 31 July, 2023

Page: [137 - 143] Pages: 7

DOI: 10.2174/1871524923666230720155754

Price: $65

Abstract

Objective: Insomnia is a condition that causes sleep problems, and many people suffer from it. Patients with this disorder have difficulty with beginning or continuation of sleep, so they are exhausted all day long, and their performance reduces. This study was designed to assess the efficacy of capsules that contain tomato extract in patients with primary insomnia.

Methods: In this study, 70 patients with primary insomnia were assigned to 2 groups randomly: intervention and control. The intervention group used to take tomato capsules every night for 2 weeks, and the placebo one used to take placebo capsules every night for 2 weeks. All patients used to fill out Insomnia Severity Index (ISI) and Pittsburgh Sleep Quality Index (PSQI) questionnaires before and after the intervention. ISI and PSQI results were analyzed separately on SPSS software.

Results: A total of 70 patients (35 in the intervention group and 35 in the control group), including 50 females and 20 males, were studied. Female to male ratio and the rate of unemployment were significantly higher in the intervention group (in both cases P < 0.001), but there was no significant difference between the intervention and control groups in other characteristics (Age, marital status, weight, height, education; in all cases P > 0.05). At the end of the study, the amount of actual sleep had increased, and the delay in falling asleep decreased in both groups; the two groups at the end of the study were not significantly different in terms of these two variables (P > 0.05). The ISI score in both groups decreased significantly at the end of the study, and the PSQI score in both groups decreased significantly at the end of the study (In both cases, P < 0.05). The absolute value of ISI score change in the intervention group was significantly higher than the control group (P < 0.001); But the absolute value of PSQI score change was not significantly different between the two groups (P = 0.102). Most importantly, the improvement of both ISI and PSQI scores in the intervention group was significantly better than the control group (P > 0.05).

Conclusion: This study showed that tomato capsules have sleep-inducing effects, although there was no significant difference in the amount of actual sleep, and the delay in falling sleep in the intervention group compared to the control group.

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