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Sohouli MH, Mirmiran P, Seraj SS, Kutbi E, Alkahmous HAM, Almuqayyid F, Arafah OA, Barakeh ARR, Abu-Zaid A. Impact of low-protein diet on cardiovascular risk factors and kidney function in diabetic nephropathy: A systematic review and meta-analysis of randomized-controlled trials. Diabetes Res Clin Pract 2022; 191:110068. [PMID: 36084854 DOI: 10.1016/j.diabres.2022.110068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 07/09/2022] [Accepted: 08/31/2022] [Indexed: 12/13/2022]
Abstract
AIM To assess the efficacy of low-protein diets (LPD) on cardiovascular risk factors and kidney function in diabetic nephropathy (DN) based on randomized controlled trials (RCTs). METHODS A comprehensive systematic search was undertaken in PubMed/MEDLINE, Web of Science, SCOPUS and Embase databases from inception until January 2022 without using time or language restrictions. RCTs which reported the effects of LPD on cardiovascular risk factors and kidney function in DN were considered. RESULTS The results of the present study showed that a LPD significantly reduces urinary urea (WMD: -244.49 g/day, 95 % CI: -418.83, -70.16, P = 0.006) and HbA1c (WMD: -0.20, 95 % CI: -0.39, -0.01, P = 0.036) levels. However, the results did not show neither significant nor beneficial effect on other renal function and cardiovascular risk factors. Furthermore, the results of subgroup analysis showed LPD caused a further decrease in HbA1c during the follow-up period of ≤ 24 weeks, protein intake less than 0.8 g/kg/d and in individuals younger than 50 years. Albuminuria also showed a greater reduction in people under the age of 50 with type 1 diabetes (DMT1) following a LPD. CONCLUSION The results of the present study showed that LPD significantly reduces urinary urea and HbA1c.
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Affiliation(s)
- Mohammad Hassan Sohouli
- Student Research Committee, Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Parvin Mirmiran
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, P.O. Box 19395-4741, Tehran, Iran.
| | - Shaikh Sanjid Seraj
- Walsall Manor Hospital, Walsall Healthcare NHS Trust, Walsall, West Midlands WS2 9PS, United Kingdom
| | - Emad Kutbi
- Department of Biorepository, Biomedical Research Administration, King Fahad Medical City, Riyadh, Saudi Arabia
| | | | | | | | | | - Ahmed Abu-Zaid
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia; College of Graduate Health Sciences, University of Tennessee Health Science Center, Memphis, TN, USA
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Alomar SA, Găman MA, Prabahar K, Arafah OA, Almarshood F, Baradwan S, Aboudi SAS, Abuzaid M, Almubarki AAMA, Alomar O, Al-Badawi IA, Salem H, Abu-Zaid A. The effect of tamoxifen on the lipid profile in women: A systematic review and meta-analysis of randomized controlled trials. Exp Gerontol 2021; 159:111680. [PMID: 34973347 DOI: 10.1016/j.exger.2021.111680] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 12/14/2021] [Accepted: 12/21/2021] [Indexed: 02/01/2023]
Abstract
BACKGROUND AND AIM The effect of tamoxifen administration on serum lipids in females remains unclear. The studies which have explored this topic have produced conflicting results, probably due to discrepancies in the length of the intervention, differences in baseline variables or other factors. To answer this research question, we decided to conduct this systematic review and meta-analysis to assess the effects of tamoxifen on the lipid profile in women. METHODS A comprehensive search was conducted in Web of Science, Scopus, PubMed/Medline and Embase, from the inception of these databases up to June 2021. We used a random effects meta-analysis to generate the combined results. RESULTS The overall findings were generated from 18 eligible trials. As compared to placebo, tamoxifen led to a notable reduction of the total cholesterol (TC) (WMD: -23.03 mg/dL, 95% CI: -25.94 to -20.12, P˂0.001), and the low-density lipoprotein-cholesterol (LDL-C) (WMD: -18.68 mg/dL, 95% CI: -24.31 to -13.04, P˂0.001). However, tamoxifen did not alter triglycerides (TG) concentrations (WMD: +1.06 mg/dL, 95% CI: -11.08 to 13.20, P = 0.864) significantly. A pronounced reduction of the high-density lipoprotein-cholesterol (HDLC) was noted in the RCTs with a duration of ≤52 weeks (WMD: -2.06 mg/dL) and when tamoxifen was administered in participants with a BMI ≥25 kg/m2 (WMD: -1.42 mg/dL). Notable reductions in TC (WMD: -23.57 mg/dL) and LDL-C (WMD: -19.21 mg/dL) was detected when the dose of tamoxifen was ≥20 mg/day. Moreover, a significant reduction of TC (WMD: -20.23 mg/dL) and LDL-C (WMD: -24.13 mg/dL) was observed in the RCTs with a duration of ≤52 weeks. CONCLUSION Tamoxifen can alter the lipid profile in females, particularly by decreasing TC, LDL-C and HDLC. Tamoxifen can further reduce TC and LDL-C if the dose of administration is ≥20 mg/day, the treatment duration is ≤52 weeks and if it prescribed in subjects with dyslipidemia.
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Affiliation(s)
| | - Mihnea-Alexandru Găman
- Faculty of Medicine, "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania, Center of Hematology and Bone Marrow Transplantation, Fundeni Clinical Institute, Bucharest, Romania
| | - Kousalya Prabahar
- Department of Pharmacy Practice, Faculty of Pharmacy, University of Tabuk, Tabuk, Saudi Arabia
| | | | | | - Saeed Baradwan
- Department of Obstetrics and Gynecology, King Faisal Specialist Hospital and Research Center, Jeddah, Saudi Arabia
| | - Saud Abdullah Saud Aboudi
- Department of Obstetrics and Gynecology, College of Medicine, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Mohammed Abuzaid
- Department of Obstetrics and Gynecology, King Fahad Medical City, Riyadh, Saudi Arabia
| | - Abdullah A M A Almubarki
- Department of Obstetrics and Gynecology, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Osama Alomar
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia; Department of Obstetrics and Gynecology, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Ismail A Al-Badawi
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia; Department of Obstetrics and Gynecology, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Hany Salem
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia; Department of Obstetrics and Gynecology, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia
| | - Ahmed Abu-Zaid
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia; College of Graduate Health Sciences, University of Tennessee Health Science Center, Memphis, TN, United States.
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Hasani M, Malekahmadi M, Rezamand G, Estêvão MD, Pizarro AB, Heydari H, Hoong WC, Arafah OA, Barakeh ARR, Rahman A, Alrashidi MSK, Abu-Zaid A. Effect of saffron supplementation on liver enzymes: A systematic review and meta-analysis of randomized controlled trials. Diabetes Metab Syndr 2021; 15:102311. [PMID: 34678576 DOI: 10.1016/j.dsx.2021.102311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 09/13/2021] [Accepted: 10/08/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND AND AIMS Possible protective effects of saffron (Crocus sativus L) have been reported in several randomized clinical trials (RCTs). Current systematic review was performed to summarize the efficacy of saffron intake on liver enzymes. METHODS An electronic database search was conducted on PubMed/Medline, Scopus, Web of Science, and Cochrane for RCTs comparing effect of saffron and placebo on liver enzymes from inception to July 2021. There was no restriction in language of included studies and we calculated the standardized mean difference (SMD) and 95% Confidence Intervals (CI) for each variable. Random-effect model was used to calculate effect size. RESULTS Eight studies (n = 463 participants) were included in the systematic review. The saffron intake was associated with a statistically significant decrease in aspartate aminotransferase (AST) (SMD: -0.18; 95% CI: -0.34, -0.02; I2 = 0%) in comparison to placebo intake. Our results also indicated that saffron consumption did not have a significant effect on alanine aminotransferase (ALT) (SMD: -0.14; 95% CI: -0.36, 0.09; I2 = 47.0%) and alkaline phosphatase (ALP) levels (SMD: 0.14; 95% CI: -0.18, 0.46; I2 = 42.9%) compared to placebo. CONCLUSIONS Saffron intake showed beneficial impacts on circulating AST levels. However, larger well-designed RCTs are still needed to clarify the effect of saffron intake on these and other liver enzymes.
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Affiliation(s)
- Motahareh Hasani
- Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Mahsa Malekahmadi
- Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tehran, Iran; Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Gholamreza Rezamand
- Colorectal Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - M Dulce Estêvão
- Universidade do Algarve, Escola Superior de Saúde, Campus de Gambelas, Faro, Portugal.
| | | | - Hafez Heydari
- Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran.
| | - Wong Chun Hoong
- Department of Pharmacy, Sultanah Aminah Hospital, Johor Bahru, Johor, Malaysia.
| | | | | | - Areej Rahman
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia.
| | | | - Ahmed Abu-Zaid
- College of Medicine, Alfaisal University, Riyadh, Saudi Arabia; Department of Pharmacology, College of Graduate Health Sciences, University of Tennessee Health Science Center, Memphis, TN, United States.
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