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Nemati S, Masroorchehr M, Elahi H, Kamalinejad M, Ebrahimi SM, Akbari M. Effects of Nigella sativa Extract on Chronic Rhinosinusitis: A Randomized Double Blind Study. Indian J Otolaryngol Head Neck Surg 2021; 73:455-460. [PMID: 34722227 DOI: 10.1007/s12070-020-02296-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 11/24/2020] [Indexed: 11/25/2022] Open
Abstract
Chronic rhinosinusitis (CRS) causes long-term discomfort for patients, and due to the frequent relapses and dissatisfaction with current treatments, CRS patients pay more attention to herbal-traditional remedies nowadays. Nigella sativa seed has a special place in Traditional Persian medicine because of its therapeutic and clinical applications. Therefore, we decided to evaluate the effect of N. sativa seed extract on clinical symptoms of CRS patients. In a double-blind controlled clinical trial on CRS patients referred to otolaryngology clinics of Firoozgar and Amiralmomenin hospitals, all the patients used nasal drops of the N. sativa (drug) or sesame oil extract (placebo), and standard SNOT-22 questionnaire completed on days 0 and 28th of study. Data collected and statistical analysis performed by SPSS software. Level of significance was considered as P < 0.05. Out of 53 subjects (33 male and 20 female), 27 were assigned in the drug group and 26 in the placebo group. The mean SNOT-22 score on the 28th day was 19.08 ± 13.21 in the drug group, and in the placebo group, the mean was 37.15 ± 21.47 (P = 0.001). N. sativa extract was particularly effective in improving the feeling of pain, pressure or fullness, numbness and congestion in the nose, and reduction of bad breath. The results of our study indicated that the N. sativa seed nasal drop significantly improved the symptoms of CRS-especially, four major and one minor symptoms- and improved the quality of life of the patients.
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Affiliation(s)
- Shadman Nemati
- Department of Otolaryngology and Head and Neck Surgery, Otorhinolaryngology Research Center, School of Medicine, Amiralmomenin Hospital, Guilan University of Medical Sciences, 17 Shahrivar Ave, Rasht, Guilan 4139637459 Iran
| | | | - Homayoon Elahi
- Department of Pharmacognosy, School of Pharmacy, Guilan University of Medical Sciences, Rasht, Iran
| | - Mohammad Kamalinejad
- Department of Pharmacognosy, School of Pharmacy, Guilan University of Medical Sciences, Rasht, Iran
| | - Seyedeh Matin Ebrahimi
- Department of Otolaryngology and Head and Neck Surgery, Otorhinolaryngology Research Center, School of Medicine, Amiralmomenin Hospital, Guilan University of Medical Sciences, 17 Shahrivar Ave, Rasht, Guilan 4139637459 Iran
| | - Maryam Akbari
- Department of Otolaryngology and Head and Neck Surgery, Otorhinolaryngology Research Center, School of Medicine, Amiralmomenin Hospital, Guilan University of Medical Sciences, 17 Shahrivar Ave, Rasht, Guilan 4139637459 Iran
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Khazdair MR, Gholamnezhad Z, Rezaee R, Boskabady MH. A qualitative and quantitative comparison of Crocus sativus and Nigella sativa immunomodulatory effects. Biomed Pharmacother 2021; 140:111774. [PMID: 34062409 DOI: 10.1016/j.biopha.2021.111774] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/17/2021] [Accepted: 05/24/2021] [Indexed: 02/07/2023] Open
Abstract
The present article reviews and compares the immunomodulatory activities of Crocus sativus (C. sativus) and Nigella sativa (N. sativa) and their main bioactive compounds. Immunomodulatory effects of these plants, especially with respect to Th1 and Th2 cytokines, are discussed based on relevant articles, books, and conference papers published in English until the end of April 2020, that were retrieved from Web of Science, PubMed, Scopus and Google Scholar databases. C. sativus and its constituents increase immunoglobulin (Ig-)G, interleukin 2 (IL)-2, interferon gamma (IFN-γ), and IFN-γ/IL-4 ratio, but decreased IgM, IL-10 and IL-4 secretion. N. sativa extract and thymoquinone reduce the levels of IL-2, -4, -10, and -12, while enhance IFN-γ and serum IgG1 and 2a. The reviewed articles indicate that C. sativus and N. sativa and their constituents could be potentially considered promising treatments for disorders associated with immune-dysregulation such as asthma and cancer.
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Affiliation(s)
- Mohammad Reza Khazdair
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Zahra Gholamnezhad
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ramin Rezaee
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Clinical Research Development Unit, Imam Reza Hospital, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Hossein Boskabady
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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Kulyar MFEA, Li R, Mehmood K, Waqas M, Li K, Li J. Potential influence of Nagella sativa (Black cumin) in reinforcing immune system: A hope to decelerate the COVID-19 pandemic. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2021; 85:153277. [PMID: 32773257 PMCID: PMC7347483 DOI: 10.1016/j.phymed.2020.153277] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 06/14/2020] [Accepted: 07/02/2020] [Indexed: 05/10/2023]
Abstract
The world is witnessing a difficult time. The race of developing a new coronavirus (COVID-19) vaccine is becoming more urgent. Many preliminary studies on the pathophysiology of COVID-19 patients have provided some clues to treat this pandemic. However, no suitable treatment has found yet. Various symptoms of patients infected with COVID-19 indicated the importance of immune regulation in the human body. Severe cases admitted to the intensive care unit showed high level of pro-inflammatory cytokines which enhanced the disease severity. Acute Respiratory Distress Syndrome (ARDS) in COVID-19 patients is another critical factor of disease severity and mortality. So, Immune modulation is the only way of regulating immune system. Nigella sativa has been used for medicinal purposes for centuries. The components of this plant are known for its intense immune-regulatory, anti-inflammatory, and antioxidant benefits in obstructive respiratory disorders. A molecular docking study also gave evidences that N. sativa decelerates COVID-19 and might give the same or better results than the FDA approved drugs. The aim of this review was to investigate the possible immune-regulatory effects of N. sativa on COVID-19 pandemic. Our review found N. sativa's Thymoquinone, Nigellidine, and α-hederin can be a potential influencer in reinforcing the immune response on molecular grounds.
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Affiliation(s)
| | - Rongrong Li
- Department of Neurology, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, Jiangsu, China
| | - Khalid Mehmood
- Faculty of Veterinary and Animal Sciences, The Islamia University of Bahawalpur-63100, Pakistan
| | - Muhammad Waqas
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China; Faculty of Veterinary & Animal Sciences, University of the Poonch, Rawalakot, District Poonch 12350, Azad Jammu & Kashmir, Pakistan
| | - Kun Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Jiakui Li
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.
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Saadat S, Aslani MR, Ghorani V, Keyhanmanesh R, Boskabady MH. The effects of Nigella sativa on respiratory, allergic and immunologic disorders, evidence from experimental and clinical studies, a comprehensive and updated review. Phytother Res 2021; 35:2968-2996. [PMID: 33455047 DOI: 10.1002/ptr.7003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 11/28/2020] [Accepted: 12/13/2020] [Indexed: 12/15/2022]
Abstract
Nigella sativa (N. sativa) seed had been used traditionally due to several pharmacological effects. The updated experimental and clinical effects of N. sativa and its constituents on respiratory, allergic and immunologic disorders are provided in this comprehensive review article. Various databases including PubMed, Science Direct and Scopus were used. The preventive effects of N. sativa on pulmonary diseases were mainly due to its constituents such as thymoquinone, thymol, carvacrol and alpha-hederin. Extracts and constituents of N. sativa showed the relaxant effect, with possible mechanisms indicating its bronchodilatory effect in obstructive pulmonary diseases. In experimental animal models of different respiratory diseases, the preventive effect of various extracts and constituents of N. sativa was demonstrated by mechanisms such as antioxidant, immunomodulatory and antiinflammatory effects. Bronchodilatory and preventive effects of the plant and its components on asthma, COPD and lung disorders due to exposure to noxious agents as well as on allergic and immunologic disorders were also shown in the clinical studies. Various extracts and constituents of N. sativa showed pharmacological and therapeutic effects on respiratory, allergic and immunologic disorders indicating possible remedy effect of that the plant and its effective substances in treating respiratory, allergic and immunologic diseases.
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Affiliation(s)
- Saeideh Saadat
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Physiology, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Mohammad Reza Aslani
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Lung Inflammatory Diseases Research Center, Faculty of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Vahideh Ghorani
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Clinical Research Unit, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Rana Keyhanmanesh
- Tuberculosis and Lung Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Hossein Boskabady
- Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Randomised trial on performance, safety and clinical benefit of hyaluronic acid, hyaluronic acid plus dexpanthenol and isotonic saline nasal sprays in patients suffering from dry nose symptoms. Auris Nasus Larynx 2020; 47:425-434. [PMID: 32067777 DOI: 10.1016/j.anl.2020.01.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 01/03/2020] [Accepted: 01/10/2020] [Indexed: 11/21/2022]
Abstract
OBJECTIVE Limited data exist on the clinical benefits of nasal applications for moistening the nasal mucosa. We therefore investigated the effects of hyaluronic acid, hyaluronic acid plus dexpanthenol and isotonic saline nasal sprays in patients suffering from dry nose symptoms in an otorhinolaryngological outpatient setting. METHODS 240 patients were randomised into this prospective, three-armed clinical trial with two assessment points (baseline and 4 weeks later). Patients received either hyaluronic acid, hyaluronic acid plus dexpanthenol or isotonic saline nasal spray over a period of four weeks. Rhinitis Sicca Symptom Score (RSSS) was assessed as primary endpoint, and individual symptoms and tolerability of all treatments as secondary endpoints. Patient perceptions after first application of the allocated nasal spray were recorded using the Nasal Spray Sensory Scale. Treatment effects were analysed for each study arm first and subsequently compared against each other. RESULTS RSSS (hyaluronic acid: mean difference = 8.90 [98.33% CI = 7.34/10.45]; hyaluronic acid plus dexpanthenol: mean difference = 8.42 [98.33% CI = 6.91/9.94]; isotonic saline: mean difference = 8.94 [98.33% CI = 7.33/10.54]), individual symptoms and Endoscopy Score improved significantly (p < 0.001) in all treatment arms. Tolerability was assessed as "flawless" in more than 85% of all treatments, which is reflected in overall high rankings in the Nasal Spray Sensory Scale. Perception of nasal moisturisation was reported to be significantly higher in patients receiving hyaluronic acid plus dexpanthenol as compared to patients receiving hyaluronic acid or isotonic saline. No further significant differences were observed between the three treatments. CONCLUSION All three tested sprays (hyaluronic acid, hyaluronic acid plus dexpanthenol and isotonic saline) proved to be suitable treatments for patients suffering from dry nose symptoms. (DRKS-ID: DRKS00013357).
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Rodrigues F, Freire AP, Uzeloto J, Xavier R, Ito J, Rocha M, Calciolari R, Ramos D, Ramos E. Particularities and Clinical Applicability of Saccharin Transit Time Test. Int Arch Otorhinolaryngol 2019; 23:229-240. [PMID: 30956710 PMCID: PMC6449131 DOI: 10.1055/s-0038-1676116] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 10/06/2018] [Indexed: 11/02/2022] Open
Abstract
Introduction The importance of mucociliary clearance (MCC) for the respiratory system homeostasis is clear. Therefore, evaluating this defense mechanism is fundamental in scientific research and in the clinical practice of pulmonology and of associated areas. However, MCC evaluation has not been so usual due to the complexity of methods that use radiolabeled particles. Nevertheless, as an interesting alternative, there is the saccharin transit time (STT) test. This method is reproducible, simple to perform, noninvasive, does not demand high costs, and has been widely used in studies of nasal MCC. Although the STT test is widely used, there is still lack of a detailed description of its realization. Objective The present literature review aims to provide basic information related to the STT test and to present the findings of the previous studies that used this method, discussing variations in its execution, possible influences on the obtained results and limitations of the method, as well as to relate our experience with the use of STT in researches. Data Synthesis There are several factors that can alter the results obtained from STT tests, which would raise difficulties with proper interpretation and with the discussion of the results among different studies. Conclusions Saccharin transit time is a widely used method for the evaluation of nasal MCC, and therefore, the standardization related to the previous and concurrent to test orientations, and also its execution, become essential to improve its accuracy, and allow comparisons among different studies.
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Affiliation(s)
- Fernanda Rodrigues
- Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
| | - Ana Paula Freire
- Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
| | - Juliana Uzeloto
- Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
| | - Rafaella Xavier
- Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
| | - Juliana Ito
- Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
| | - Marceli Rocha
- Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
| | - Renata Calciolari
- Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
| | - Dionei Ramos
- Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
| | - Ercy Ramos
- Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
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Islam MT, Khan MR, Mishra SK. An updated literature-based review: phytochemistry, pharmacology and therapeutic promises of Nigella sativa L. ACTA ACUST UNITED AC 2019. [DOI: 10.1007/s13596-019-00363-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Nikkhah-Bodaghi M, Darabi Z, Agah S, Hekmatdoost A. The effects of Nigella sativa on quality of life, disease activity index, and some of inflammatory and oxidative stress factors in patients with ulcerative colitis. Phytother Res 2019; 33:1027-1032. [PMID: 30666747 DOI: 10.1002/ptr.6296] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2018] [Revised: 11/08/2018] [Accepted: 12/28/2018] [Indexed: 12/14/2022]
Abstract
The aim of this study was to evaluate the effects of Nigella sativa (NS) supplementation in patients with ulcerative colitis. Two grams of NS powder or placebo were consumed for 6 weeks by 46 patients with active mild to moderate ulcerative colitis. Using valid and common questionnaires of colitis severity and blood sampling, we estimated disease activity index, quality of life, and some of inflammatory and oxidative stress factors at baseline and after 6 weeks of supplementation. NS-elevated tumor necrosis factor-alpha and high-sensitivity-c-reactive-protein as well as reduced malondialdehyde (p = 0.01, p = 0.02, and p = 0.005, respectively) compared with placebo. There was no significant difference between the two groups in serum total antioxidant capacity and nuclear factor kB levels. Total scores of Simple Clinical Colitis Activity Index Questionnaire and Inflammatory Bowel Disease Questionnaire-9 were not different between the two groups; however, stool frequency score decreased significantly in NS group. Further clinical trials with different pattern of NS administration (the amount of total and divided daily doses, either powder type or standard extracts/oil and different time arrangement) are needed to clarify the vision.
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Affiliation(s)
- Mehrnaz Nikkhah-Bodaghi
- Student Research Committee, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Darabi
- Student Research Committee, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shahram Agah
- Colorectal Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Azita Hekmatdoost
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition Sciences and Food Technology, National Nutrition and Food Technology Research Institute, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Rezaeian A, Amoushahi Khouzani S. Effect of Nigella sativa Nasal Spray on the Treatment of Chronic Rhinosinusitis Without a Nasal Polyp. ALLERGY & RHINOLOGY 2018; 9:2152656718800059. [PMID: 30370173 PMCID: PMC6201182 DOI: 10.1177/2152656718800059] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Background Chronic rhinosinusitis (CRS) is a common inflammatory disease of nasal and
paranasal sinuses, with many treatment methods available for the management
of this disease. Recently, herbal medicines have shown a significant impact
on inflammatory diseases such as CRS, and one of these herbal medicines is
Nigella sativa. Therefore, the current study aimed to
evaluate the effectiveness of N. sativa in patients with
CRS without nasal polyp (CRSsNP). Methods In this randomized clinical trial, 65 patients with mild to moderate CRSsNP
were enrolled based on the inclusion criteria. Patients were divided
randomly into 2 parallel groups: intervention and placebo groups. Patients
in the intervention group received 2 puffs/day of N. sativa
nasal spray (1 g/day of N. sativa) and in the placebo group
received 2 puffs/day of sodium chloride spray 0.65%. Results Thirty-one patients (19 men and 12 women) in the intervention group and 34 in
the placebo group (18 men and 16 women) were evaluated. Lund–McKay, Lund
Kennedy, and Sino-Nasal Outcome Test-22 scores were assessed for both groups
after 8 weeks of treatments. These scores decreased significantly in both
groups. However, these scores were significantly lower in the intervention
group compared with the placebo group (P < .0001, for
all). Conclusion The use of N. sativa nasal spray has symptom reliever effect
with no adverse effects in patients with CRSsNP.
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Affiliation(s)
- Ahmad Rezaeian
- Department of Otorhinolaryngology, Head and Neck Surgery, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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Evaluation of the Effect of Topical Application of Nigella sativa on Acute Radiation-Induced Nasal Mucositis. J Craniofac Surg 2018; 29:e279-e282. [PMID: 29381633 DOI: 10.1097/scs.0000000000004314] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The goal of this study was to demonstrate the effect of radiotherapy (RT) on nasal mucosa in rats and to evaluate the radioprotective effects of the topical application of black seed oil (Nigella sativa [NS]) to treat acute radiation-induced nasal mucositis.A total of 18 rats were randomized into 3 groups, with 6 animals per group. The rats in group 1 were topically administered saline in the nasal cavity after sham irradiation. Group 2 received saline at the same dose after irradiation. Group 3 was given NS after irradiation. The rats in groups 2 and 3 were irradiated with a single dose of 40 Gy to the nasal and paranasal area. Only one drop of saline (0.05 mL) was applied to each nostril in the first, second, and third days after RT in groups 1 and 2. One drop of cold press NS (0.05 mL) was applied to each nostril in group 3. Fourteen days after irradiation, the nasal mucosal tissues were excised for histopathological evaluation. Vascular dilatation, inflammatory cell infiltration, superficial erosion, and formation of exudates were classified according to the severity.No evidence of mucositis was observed in group 1. Of all the parameters the only statistically significant difference between groups 2 and 3 were observed for "superficial erosion' (P < 0.05). Overall microscopic observations in the NS-treated group were better than in group 2.The preliminary results of our study have shown that local application of NS to the nasal mucosa may be an effective treatment of acute nasal mucositis due to RT.
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Tavakkoli A, Mahdian V, Razavi BM, Hosseinzadeh H. Review on Clinical Trials of Black Seed (Nigella sativa ) and Its Active Constituent, Thymoquinone. J Pharmacopuncture 2017; 20:179-193. [PMID: 30087794 PMCID: PMC5633670 DOI: 10.3831/kpi.2017.20.021] [Citation(s) in RCA: 94] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 08/21/2017] [Accepted: 08/30/2017] [Indexed: 12/12/2022] Open
Abstract
Objectives Nigella sativa (black seed or black cumin), which belongs to the Ranunculacea family, is an annual herb with many pharmacological properties. Among its many active constituents, thymoquinone (TQ) is the most abundant constituent of the volatile oil of Nigella sativa (N. sativa) seeds, and it is the constituent to which most properties of this herb are attributed. Methods PubMed-Medline, Scopus, and Web of Science databases were searched to identify randomized control trials (RCTs) investigating the therapeutic effects of N. sativa and/or TQ. In this review, we investigated the clinical uses of N. sativa and TQ in the prevention and the treatment of different diseases and morbidity conditions in humans. Results Black seed and TQ are shown to possess multiple useful effects for the treatment of patients with several diseases, such as inflammatory and auto-immune disorders, as well as metabolic syndrome. Also, other advantages, including antimicrobial, anti-nociceptive and anti-epileptic properties, have been documented. The side effects of this herbal medicine appear not to be serious, so it can be applied in clinical trials because of its many advantages. Conclusion Some effects of N. sativa, such as its hypoglycemic, hypolipidemic and bronchodilatory effects, have been sufficiently studied and are sufficiently understood to allow for the next phase of clinical trials or drug developments. However, most of its other effects and applications require further clinical and animal studies.
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Affiliation(s)
- Alireza Tavakkoli
- Department of Pharmacognosy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Vahid Mahdian
- Student Research Committee, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Bibi Marjan Razavi
- Targeted Drug Delivery Research Center, Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Hosseinzadeh
- Pharmaceutical Research Center, Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medi cal Sciences, Mashhad, Iran
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