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Heymsfield SB. Dietary Supplements for Weight Loss. Gastroenterol Clin North Am 2023; 52:457-467. [PMID: 37197886 DOI: 10.1016/j.gtc.2023.03.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
The Federal Drug Administration has approved, following rigorous testing, 6 pharmacologic agents and one drug in device form for the management of overweight and obesity. Myriad products that purport to act on physiological mechanisms leading to weight loss also pervade the market with minimal regulatory oversight. Systematic reviews and meta-analyses of these products and their ingredients fail to establish any as meaningfully effective at the clinical level. Moreover, safety concerns prevail with adulteration, hypersensitivity reactions, and recognized adverse reactions. Lifestyle, pharmacologic, and bariatric surgical treatments are increasingly available, effective, and safe management tools for practitioners who should council patients, many of whom are susceptible to misinformation, on the lack effective and safe dietary supplements for weight loss.
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Affiliation(s)
- Steven B Heymsfield
- Pennington Biomedical Research Center, Louisiana State University System, 6400 Perkins Road, Baton Rouge, LA 70808, USA.
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2
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Mueed A, Shibli S, Korma SA, Madjirebaye P, Esatbeyoglu T, Deng Z. Flaxseed Bioactive Compounds: Chemical Composition, Functional Properties, Food Applications and Health Benefits-Related Gut Microbes. Foods 2022; 11:3307. [PMCID: PMC9602266 DOI: 10.3390/foods11203307] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Flaxseed (Linum usitatissimum L.) has gained worldwide recognition as a health food because of its abundance in diverse nutrients and bioactive compounds such as oil, fatty acids, proteins, peptides, fiber, lignans, carbohydrates, mucilage, and micronutrients. These constituents attribute a multitude of beneficial properties to flaxseed that makes its use possible in various applications, such as nutraceuticals, food products, cosmetics, and biomaterials. The importance of these flaxseed components has also increased in modern times because of the newer trend among consumers of greater reliance on a plant-based diet for fulfilling their nutritional requirements, which is perceived to be hypoallergenic, more environmentally friendly, sustainable, and humane. The role of flaxseed substances in the maintenance of a healthy composition of the gut microbiome, prevention, and management of multiple diseases has recently been elucidated in various studies, which have highlighted its importance further as a powerful nutritional remedy. Many articles previously reported the nutritive and health benefits of flaxseed, but no review paper has been published reporting the use of individual flaxseed components in a manner to improve the techno-functional properties of foods. This review summarizes almost all possible applications of flaxseed ingredients in food products from an extensive online literature survey; moreover, it also outlines the way forward to make this utilization even better.
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Affiliation(s)
- Abdul Mueed
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Sahar Shibli
- National Agriculture Research Center, Food Science Research Institute, Islamabad 44000, Pakistan
| | - Sameh A. Korma
- Department of Food Science, Faculty of Agriculture, Zagazig University, Zagazig 44519, Egypt
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Philippe Madjirebaye
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
| | - Tuba Esatbeyoglu
- Department of Food Development and Food Quality, Institute of Food Science and Human Nutrition, Gottfried Wilhelm Leibniz University Hannover, Am Kleinen Felde 30, 30167 Hannover, Germany
- Correspondence: (T.E.); (Z.D.); Tel.: +49-5117625589 (T.E.); +86-791-88304402 (Z.D.)
| | - Zeyuan Deng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, China
- Correspondence: (T.E.); (Z.D.); Tel.: +49-5117625589 (T.E.); +86-791-88304402 (Z.D.)
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3
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Lua PL, Roslim NA, Ahmad A, Mansor M, Aung MMT, Hamzah F. Complementary and Alternative Therapies for Weight Loss: A Narrative Review. J Evid Based Integr Med 2021; 26:2515690X211043738. [PMID: 34496677 PMCID: PMC8436299 DOI: 10.1177/2515690x211043738] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Despite various strategies, overweight and obesity problems are still increasingly prevalent worldwide with serious health outcomes. Consequently, the continuous demand for more effective, safe and acceptable therapies for reducing body weight is also escalating—including complementary and alternative therapies (CATs). The aim of this review is to provide a summary of the most commonly- and recently-used CATs, with evaluation of their safety and efficacy for weight loss. Electronic scientific databases such as Scopus, PubMed and EBSCO Host were explored for articles that reported CATs for overweight and obesity treatment from 2015 to December 2019. Only systematic reviews, meta-analysis and randomized controlled trials (RCTs) published in English were included. Studies whereby CATs were not utilized for reducing body weight were excluded. Eight systematic reviews and meta-analyses and 11 additional RCTs with 765 participants (50.2% overweight and 49.8% obese) related to hypnotherapy, acupuncture and dietary supplements met the inclusion criteria. Their results suggested that spirulina, chitosan, probiotic, EPA + DHA, vitamin D, fiber, and herbal extract supplementation may all provide small reductions in body weight (ranging from 1-10 kg). Interestingly, hypnotherapy and acupuncture reported significantly greater reduction in body weight compared with placebo (p < 0.001 and p < 0.0001, respectively). Nonetheless, the evidence is still relatively limited and not encouraging to provide a definitive conclusion due to the methodological shortcomings and the presence of adverse events in chitosan and fiber supplementation. Hence, studies of this nature need to be further replicated and improved to corroborate the efficacy and safety of the CATs to combat weight issues.
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Affiliation(s)
- Pei Lin Lua
- Faculty of Pharmacy, Universiti Sultan Zainal Abidin (UniSZA), Terengganu, Malaysia
| | - Nurul Afiedia Roslim
- Faculty of Pharmacy, Universiti Sultan Zainal Abidin (UniSZA), Terengganu, Malaysia
| | - Aryati Ahmad
- Faculty of Health Sciences, Universiti Sultan Zainal Abidin (UniSZA), Terengganu, Malaysia
| | - Mardiana Mansor
- Faculty of Medicine, Universiti Sultan Zainal Abidin (UniSZA), Terengganu, Malaysia
| | - Myat Moe Thwe Aung
- Faculty of Medicine, Universiti Sultan Zainal Abidin (UniSZA), Terengganu, Malaysia
| | - Farrahdilla Hamzah
- Faculty of Medicine, Universiti Sultan Zainal Abidin (UniSZA), Terengganu, Malaysia
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Kim SD. Complementary and Integrative Health Approaches for Weight Management in the Obese Population: The 2018 Korea National Health and Nutrition Examination Survey. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18158161. [PMID: 34360454 PMCID: PMC8346132 DOI: 10.3390/ijerph18158161] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 07/28/2021] [Accepted: 07/29/2021] [Indexed: 12/04/2022]
Abstract
(1) Background: Obesity management has become an important issue due to the COVID-19 outbreak; therefore, periodic surveys on the approaches to obesity management of the entire population and target obese population are required. (2) Methods: The study used nationally representative data from the 2018 Korea National Health and Nutrition Examination Survey. Participants reported all approaches they had used to reduce or maintain weight in the past year. Data were analyzed with multiple response methods. (3) Results: The most commonly reported approach was exercise, which included fitness, yoga, biking, and other physical activities (74.7% of respondents), and the second most commonly reported approach was decreased food intake (69.6% of respondents). The use of approaches differed according to respondents’ demographic characteristics. Regarding sex-related differences, in particular, men preferred to exercise, while women were more likely to decrease food intake. Among men, exercise was highest in the 40–49 years age group (48.3%). Among women, decreased food intake was highest in the same age group (16.1%). (4) Conclusions: These findings indicate that it is necessary to introduce individualized weight management approaches and measures according to target groups in obese adults.
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Affiliation(s)
- Sang-Dol Kim
- Department of Nursing, College of Health Science, Kangwon National University, 346 Hwangjo-gil, Dogye-eup, Samcheok-si 25949, Kangwon-do, Korea
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Batsis JA, Apolzan JW, Bagley PJ, Blunt HB, Divan V, Gill S, Golden A, Gundamraj S, Heymsfield S, Kahan S, Kopatsis K, Port A, Parks EP, Reilly CA, Rubino D, Saunders KH, Shean R, Tabaza L, Stanley A, Tchang BG, Gundumraj S, Kidambi S. A Systematic Review of Dietary Supplements and Alternative Therapies for Weight Loss. Obesity (Silver Spring) 2021; 29:1102-1113. [PMID: 34159755 PMCID: PMC8231729 DOI: 10.1002/oby.23110] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 12/06/2020] [Accepted: 12/08/2020] [Indexed: 12/14/2022]
Abstract
OBJECTIVE Dietary supplements and alternative therapies are commercialized as a panacea for obesity/weight gain as a result of the minimal regulatory requirements in demonstrating efficacy. These products may indirectly undermine the value of guideline-driven obesity treatments. Included in this study is a systematic review of the literature of purported dietary supplements and alternative therapies for weight loss. METHODS A systematic review was conducted to evaluate the efficacy of dietary supplements and alternative therapies for weight loss in participants aged ≥18 years. Searches of Medline (PubMed), Cochrane Library, Web of Science, CINAHL, and Embase (Ovid) were conducted. Risk of bias and results were summarized qualitatively. RESULTS Of the 20,504 citations retrieved in the database search, 1,743 full-text articles were reviewed, 315 of which were randomized controlled trials evaluating the efficacy of 14 purported dietary supplements, therapies, or a combination thereof. Risk of bias and sufficiency of data varied widely. Few studies (n = 52 [16.5%]) were classified as low risk and sufficient to support efficacy. Of these, only 16 (31%) noted significant pre/post intergroup differences in weight (range: 0.3-4.93 kg). CONCLUSIONS Dietary supplements and alternative therapies for weight loss have a limited high-quality evidence base of efficacy. Practitioners and patients should be aware of the scientific evidence of claims before recommending use.
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Affiliation(s)
- John A. Batsis
- Division of Geriatric Medicine, School of Medicine, and the Department of Nutrition, The Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - John W. Apolzan
- Pennington Biomedical Research Center, Louisiana State University Sysytem, Baton Rouge, Louisiana
| | | | | | | | - Sonia Gill
- University of California, Davis School of Medicine, Sacramento, California
| | | | | | - Steven Heymsfield
- Pennington Biomedical Research Center, Louisiana State University Sysytem, Baton Rouge, Louisiana
| | - Scott Kahan
- Director, National Center for Weight and Wellness, George Washington University Milken Institute School of Public Health, Washington, DC
| | | | - Ava Port
- Division of Endocrinology, Diabetes and Nutrition, University of Maryland School of Medicine, Baltimore, MD
| | - Elizabeth Prout Parks
- The Children’s Hospital of Philadelphia, Division of Gastroenterology, Hepatology and Nutrition, The Healthy Weight Program, Perelman Medical Center, University of Pennsylvania
| | - Clifford A. Reilly
- The Robert Larner, M.D. College of Medicine at The University of Vermont, Burlington VT
| | - Domenica Rubino
- Washington Center for Weight Management and Research, Arlington, VA
| | - Katherine H. Saunders
- Comprehensive Weight Control Center, Division of Endocrinology, Diabetes, and Metabolism, Weill Cornell Medicine, New York, NY
| | - Ryan Shean
- Dartmouth College, Hanover, New Hampshire
| | - Luai Tabaza
- Albert Einstein Medical Center, Philadelphia, PA
| | - Abishek Stanley
- Pennington Biomedical Research Center, Louisiana State University Sysytem, Baton Rouge, Louisiana
| | - Beverly G. Tchang
- Comprehensive Weight Control Center, Division of Endocrinology, Diabetes, and Metabolism, Weill Cornell Medicine, New York, NY
| | - Shivani Gundumraj
- AT Still University School of Osteopathic Medicine in Arizona, Mesa, AZ
| | - Srividya Kidambi
- Division of Endocrinology and Molecular Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin
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Cioffi I, Gambino R, Rosato R, Properzi B, Regaldo G, Ponzo V, Pellegrini M, Contaldo F, Pasanisi F, Ghigo E, Bo S. Acute assessment of subjective appetite and implicated hormones after a hypnosis-induced hallucinated meal: a randomized cross-over pilot trial. Rev Endocr Metab Disord 2020; 21:411-420. [PMID: 32418064 DOI: 10.1007/s11154-020-09559-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The use of hypnosis can generate hallucinatory phenomena, which ranged from vivid/auditory imagery to fully developed "hallucinations" in selected people. The aim of this pilot trial was investigating the acute effects of a hypnosis-induced hallucinated breakfast (HB) compared to those of a real breakfast (RB) on subjective appetite and appetite-regulating hormones in highly hypnotizable individuals. Eight healthy post-menopausal women were recruited to consume two meals: the HB and the RB in a randomized crossover design. Participants underwent appetite sensations measurements (before meal and each 30-min until 270-min) and blood sample collection (at 0, 20, 60, 90, 180-min). A 3-day food-record was filled after each meal. The adjusted repeated measures ANCOVA did not show any meal×time interactions on subjective appetite postprandially. As expected, significantly higher glucose (p < 0.001), insulin (p < 0.001), and lower free fatty acid (p < 0.001) concentrations were found after the RB, but not following HB. Furthermore, RB significantly increased postprandial levels of glucagon-like-peptide-1 and peptide-YY at 20, 60, 90 and 180-min, whereas acylated-ghrelin and leptin levels did not differ. Postprandial neuropeptide-Y and orexin-A values significantly increased at different time-points after RB, but not following HB, while α-melanocyte-stimulating hormone levels enhanced after HB only. Energy intakes were significantly lower after HB on the test-day only (HB = 1146.6 ± 343.8 vs RB = 1634.7 ± 274.2 kcal/d; p = 0.003). Appetite sensation might be modulated by fully developed meal "hallucination" induced by hypnosis, likely affecting brain-peptides implicated in the appetite regulation. However, further studies are needed to verify these results obtained in a highly selected group of individuals. NCT03934580.
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Affiliation(s)
- Iolanda Cioffi
- Department of Medical Sciences, University of Turin, c.so AM Dogliotti 14, 10126, Turin, Italy
- Department of Clinical Medicine and Surgery, Federico II University Hospital, Naples, Italy
| | - Roberto Gambino
- Department of Medical Sciences, University of Turin, c.so AM Dogliotti 14, 10126, Turin, Italy
| | - Rosalba Rosato
- Department of Psychology, University of Turin, Turin, Italy
| | - Bice Properzi
- Unit of Internal Medicine, Hospital of Turin, Città della Salute e della Scienza, Turin, Italy
| | | | - Valentina Ponzo
- Department of Medical Sciences, University of Turin, c.so AM Dogliotti 14, 10126, Turin, Italy
| | - Marianna Pellegrini
- Department of Medical Sciences, University of Turin, c.so AM Dogliotti 14, 10126, Turin, Italy
| | - Franco Contaldo
- Department of Clinical Medicine and Surgery, Federico II University Hospital, Naples, Italy
| | - Fabrizio Pasanisi
- Department of Clinical Medicine and Surgery, Federico II University Hospital, Naples, Italy
| | - Ezio Ghigo
- Department of Medical Sciences, University of Turin, c.so AM Dogliotti 14, 10126, Turin, Italy
| | - Simona Bo
- Department of Medical Sciences, University of Turin, c.so AM Dogliotti 14, 10126, Turin, Italy.
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Mohammad-Sadeghipour M, Mahmoodi M, Noroozi Karimabad M, Mirzaei MR, Hajizadeh MR. Diosgenin and 4-Hydroxyisoleucine from Fenugreek Are Regulators of Genes Involved in Lipid Metabolism in The Human Colorectal Cancer Cell Line SW480. CELL JOURNAL 2020; 22:514-522. [PMID: 32347045 PMCID: PMC7211281 DOI: 10.22074/cellj.2021.6751] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 05/08/2019] [Indexed: 01/20/2023]
Abstract
Objective Diosignin and 4-hydroxy-L-isulosine (4-OH-Ile) are the two active ingredients of Fenugreek (Trigonella foenumgraecum). Thus, in this study, we examined the effects of hydroalcoholic extract of fenugreek seeds (HEFS), diosgenin and 4-OH-Ile on the expression of acetyl-CoA carboxylase (ACC), fatty acid synthase (FAS), peroxisome proliferator-activated receptor gamma (PPARγ) and low-density lipoprotein (LDL) receptor (LDLR) which are involved in lipid metabolism in SW480 cell line. Materials and Methods In this experimental study, SW480 cells were cultured in RPMI-1640 medium and treated with HEFS, diosignin, 4-OH-Ile or orlistat for 24 and 48 hours. Inhibitory concentration of 20% (IC20) was calculated using MTT method and cells were then pre-treated with the IC20 concentrations for 24 and 48 hours before RNA extraction and cDNA synthesis. Changes in the expression of ACC, FAS, PPARγ and LDLR genes were assayed by employing the real time-polymerase chain reaction (PCR) method. Results Our results showed a significant down-regulation in the expression of ACC (P<0.001 and P<0.001 after 24 and 48 hours, respectively) and FAS genes (P<0.001 and P<0.001 after 24 and 48 hours, respectively) in SW480 cells treated with HEFS, diosignin, 4-OH-Ile, or orlistat, but significant up-regulation in the expression of PPARγ (P<0.001 and P<0.001 after 24 and 48 hours, respectively) and LDLR (P=0.005 and P=0.001 after 24 and 48 hours, respectively). Conclusion According to the results of the present study, HEFS, diosgenin and 4-OH-Ile up or down-regulate the expression of some predominant genes involved in lipid metabolism pathway, similar to that observed for orlistat. These types of regulatory effects are presumably proper for the treatment of obesity and overweight.
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Affiliation(s)
- Maryam Mohammad-Sadeghipour
- Student Research Committee, School of Medicine, Kerman University of Medical Sciences, Kerman, Iran.,Department of Clinical Biochemistry, Afzalipoor Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Mehdi Mahmoodi
- Department of Clinical Biochemistry, Afzalipoor Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran.,Department of Clinical Biochemistry, Faculty of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.,Molecular Medicine Research Center, Institute of Basic Medical Sciences Research, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Mojgan Noroozi Karimabad
- Molecular Medicine Research Center, Institute of Basic Medical Sciences Research, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Mohammad Reza Mirzaei
- Department of Clinical Biochemistry, Faculty of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.,Molecular Medicine Research Center, Institute of Basic Medical Sciences Research, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Mohammad Reza Hajizadeh
- Department of Clinical Biochemistry, Faculty of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.,Molecular Medicine Research Center, Institute of Basic Medical Sciences Research, Rafsanjan University of Medical Sciences, Rafsanjan, Iran. Electronic Address:
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Akour A, Kasabri V, Bulatova N, Al Muhaissen S, Al Tarawneh R, Al-Anati B, Alhourani N. Patterns and perceived efficacy of herbal medicine for weight loss and maintenance: A cross-sectional survey from Jordan. Eur J Integr Med 2020. [DOI: 10.1016/j.eujim.2020.101086] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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9
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Bo S, Rahimi F, Goitre I, Properzi B, Ponzo V, Regaldo G, Boschetti S, Fadda M, Ciccone G, Abbate Daga G, Mengozzi G, Evangelista A, De Francesco A, Belcastro S, Broglio F. Effects of Self-Conditioning Techniques (Self-Hypnosis) in Promoting Weight Loss in Patients with Severe Obesity: A Randomized Controlled Trial. Obesity (Silver Spring) 2018; 26:1422-1429. [PMID: 30226009 DOI: 10.1002/oby.22262] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 06/20/2018] [Accepted: 06/27/2018] [Indexed: 01/19/2023]
Abstract
OBJECTIVE The usefulness of the rapid-induction techniques of hypnosis as an adjunctive weight-loss treatment has not been defined. This randomized controlled trial evaluated whether self-conditioning techniques (self-hypnosis) added to lifestyle interventions contributed to weight loss (primary outcome), changes in metabolic and inflammatory variables, and quality of life (QoL) improvement (secondary outcomes) in severe obesity. METHODS Individuals (with BMI = 35-50 kg/m2 ) without organic or psychiatric comorbidity were randomly assigned to the intervention (n = 60) or control arm (n = 60). All received exercise and behavioral recommendations and individualized diets. The intervention consisted of three hypnosis sessions, during which self-hypnosis was taught to increase self-control before eating. Diet, exercise, satiety, QoL, anthropometric measurements, and blood variables were collected and measured at enrollment and at 1 year (trial end). RESULTS A similar weight loss was observed in the intervention (-6.5 kg) and control (-5.6 kg) arms (β = -0.45; 95% CI: -3.78 to 2.88; P = 0.79). However, habitual hypnosis users lost more weight (-9.6 kg; β = -10.2; 95% CI: -14.2 to -6.18; P < 0.001) and greatly reduced their caloric intake (-682.5 kcal; β = -643.6; 95% CI: -1064.0 to -223.2; P = 0.005) in linear regression models. At trial end, the intervention arm showed lower C-reactive protein values (β = -2.55; 95% CI: -3.80 to -1.31; P < 0.001), higher satiety (β = 19.2; 95% CI: 7.71-30.6; P = 0.001), and better QoL (β = 0.09; 95% CI: 0.02-0.16; P = 0.01). CONCLUSIONS Self-hypnosis was not associated with differences in weight change but was associated with improved satiety, QoL, and inflammation. Indeed, habitual hypnosis users showed a greater weight loss.
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Affiliation(s)
- Simona Bo
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Farnaz Rahimi
- Unit of Clinical Nutrition, Hospital of Turin, Città della Salute e della Scienza, Turin, Italy
| | - Ilaria Goitre
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Bice Properzi
- Unit of Internal Medicine, Hospital of Turin, Città della Salute e della Scienza, Turin, Italy
| | - Valentina Ponzo
- Department of Medical Sciences, University of Turin, Turin, Italy
| | | | - Stefano Boschetti
- Unit of Clinical Nutrition, Hospital of Turin, Città della Salute e della Scienza, Turin, Italy
| | - Maurizio Fadda
- Unit of Clinical Nutrition, Hospital of Turin, Città della Salute e della Scienza, Turin, Italy
| | - Giovannino Ciccone
- Unit of Clinical Epidemiology, CPO, Città della Salute e della Scienza Hospital of Turin, Turin, Italy
| | - Giovanni Abbate Daga
- Division of Psychiatry, Department of Neurosciences, University of Turin, Turin, Italy
| | - Giulio Mengozzi
- Clinical Biochemistry Laboratory, Città della Salute e della Scienza, Hospital of Turin, Turin, Italy
| | - Andrea Evangelista
- Unit of Clinical Epidemiology, CPO, Città della Salute e della Scienza Hospital of Turin, Turin, Italy
| | - Antonella De Francesco
- Unit of Clinical Nutrition, Hospital of Turin, Città della Salute e della Scienza, Turin, Italy
| | - Sara Belcastro
- Department of Medical Sciences, University of Turin, Turin, Italy
| | - Fabio Broglio
- Department of Medical Sciences, University of Turin, Turin, Italy
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10
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Ahmed I, Dildar L, Haque A, Patra P, Mukhopadhyay M, Hazra S, Kulkarni M, Thomas S, Plaisier JR, Dutta SB, Bal JK. Chitosan-fatty acid interaction mediated growth of Langmuir monolayer and Langmuir-Blodgett films. J Colloid Interface Sci 2018; 514:433-442. [PMID: 29278799 DOI: 10.1016/j.jcis.2017.12.037] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 12/13/2017] [Accepted: 12/14/2017] [Indexed: 12/18/2022]
Affiliation(s)
- Ikbal Ahmed
- Centre for Research in Nanoscience and Nanotechnology, University of Calcutta, Technology Campus, Block JD2, Sector III, Saltlake City, Kolkata 700098, India
| | - Lucky Dildar
- Centre for Research in Nanoscience and Nanotechnology, University of Calcutta, Technology Campus, Block JD2, Sector III, Saltlake City, Kolkata 700098, India
| | - Anamul Haque
- Centre for Research in Nanoscience and Nanotechnology, University of Calcutta, Technology Campus, Block JD2, Sector III, Saltlake City, Kolkata 700098, India
| | - Prasun Patra
- Centre for Research in Nanoscience and Nanotechnology, University of Calcutta, Technology Campus, Block JD2, Sector III, Saltlake City, Kolkata 700098, India
| | - Mala Mukhopadhyay
- Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata 700064, India
| | - Satyajit Hazra
- Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata 700064, India
| | - Manish Kulkarni
- Center for Nanosciences, Indian Institute of Technology, Kanpur 208016, India
| | - Sabu Thomas
- International and Inter University Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Kottayam 686560, India
| | - Jasper R Plaisier
- Elettra - Sincrotrone Trieste S.C.p.A., S.S. 14 km 163.5 in Area Science Park, 34149 Basovizza, Trieste, Italy
| | | | - Jayanta Kumar Bal
- Centre for Research in Nanoscience and Nanotechnology, University of Calcutta, Technology Campus, Block JD2, Sector III, Saltlake City, Kolkata 700098, India; Abhedananda Mahavidyalaya, University of Burdwan, Sainthia 731234, India.
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11
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Cottingham P, Adams J, Vempati R, Dunn J, Sibbritt D. The characteristics, experiences and perceptions of homeopaths in New Zealand: results from a national survey of practitioners. HOMEOPATHY 2017; 106:11-17. [PMID: 28325218 DOI: 10.1016/j.homp.2016.12.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 12/06/2016] [Accepted: 12/12/2016] [Indexed: 11/25/2022]
Abstract
BACKGROUND The popularity of homeopathy is seemingly at odds with the scientific controversy over its effectiveness. Several studies have reported on effectiveness of clinical homeopathy, but few studies have been conducted on practices and perceptions of homeopaths, and none in New Zealand (NZ). To address this gap, this paper reports findings from the first national survey examining the characteristics, perceptions and experiences of NZ-based homeopaths regarding a wide range of issues relating to their role and practice. There were 176 homeopaths in NZ at the time of this survey, who were members of a voluntary register (The New Zealand Council of Homeopaths), homeopaths are not statutorily registered in NZ. METHODS A 65 question, online survey was sent to homeopathic practitioners via their professional associations. A total of 176 homeopaths were invited to participate. Of these 176, 57 (32%) responded. RESULTS The majority of homeopaths were female (93%). Twelve percent were under 45 years and 20% over 55 years. Most (85%) had qualification in homeopathy of diploma or certificate level and most (66%) were engaged in part-time practice. Mean year of experience was 12.6 and mean caseload per month was 25. 90% considered research useful to validate practice, while 88% considered that it impacted on practice, although only 48% had skills to interpret research papers. There was an association between skills to interpret research and its impact on practice (p = 0.038). The majority (87%) were in favour of registration, with a statistically significant association between attitudes to registration and age (p = 0.027), the older homeopaths being more in favour. Most (68%) were in favour of integration with conventional practitioners and many referred to conventional practitioners (mean referrals per annum to GPs = 57 and midwives = 30). Homeopaths assessed their contribution to New Zealand Ministry of Health objectives as significant, with 77% perceiving that they improved nutrition, 75% increasing physical activity and 63% reducing smoking. CONCLUSION These findings enable greater understanding of the way in which homeopaths practice in New Zealand and how they perceive their role in health care. The findings potentially assist communication between homeopaths and other health professionals. There is a need to further investigate homeopaths' practices and perceptions in NZ.
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Affiliation(s)
| | - Jon Adams
- Australian Research Centre in Complementary and Integrative Medicine (ARCCIM), University of Technology Sydney, Australia.
| | - Ram Vempati
- Wellpark College of Natural Therapies, New Zealand.
| | - Jill Dunn
- Wellpark College of Natural Therapies, New Zealand.
| | - David Sibbritt
- Australian Research Centre in Complementary and Integrative Medicine (ARCCIM), University of Technology Sydney, Australia.
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Satija A, Bhatnagar S. Complementary Therapies for Symptom Management in Cancer Patients. Indian J Palliat Care 2017; 23:468-479. [PMID: 29123357 PMCID: PMC5661353 DOI: 10.4103/ijpc.ijpc_100_17] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Cancer patients are often poly-symptomatic which distressingly affects their quality of lives (QOLs). Alhough, conventional management provides adequate symptom control, yet is coupled with some limitations. Complementary therapies (CTs) have shown beneficial effects in cancer patients for symptomatic relief. The aim of this article is to provide evidence-based review of commonly used CTs for symptom management in cancer care. Hypnosis has promising evidence to be used for managing symptoms such as pain, chemotherapy-induced nausea/vomiting, distress, fatigue, and hot flashes. Guided imagery increases comfort and can be used as a psycho-supportive therapy. Meditation substantially improves psychological function, mental health, and QOL. Cognitive behavioral therapies effectively reduce pain, distress, fatigue, anxiety, and depression; and improve subjective sleep outcomes along with mood and QOL. Yoga has short term beneficial effects for anxiety, depression, fatigue, perceived stress, QOL, and well-being. T'ai Chi and qigong are beneficial adjunctive therapies for supportive cancer care, but their role in reducing cancer pain is not well proven. Acupuncture is effective for reducing treatment related side-effects, pain and fatigue. Other therapies such as massage techniques, energy therapies, and spiritual interventions have also demonstrated positive role in managing cancer-related symptoms and improve overall well-being. However, the clinical effectiveness of these therapies for symptom management in cancer patients cannot be concluded due to poor strength of evidence. Nonetheless, these are relatively free from risks and hence can be given along with conventional treatments. Only by tailoring these therapies as per patient's beliefs and preferences, optimal patient-centered holistic care can be provided.
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Affiliation(s)
- Aanchal Satija
- Department of Onco-Anaesthesia and Palliative Medicine, Dr. BRA Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Sushma Bhatnagar
- Department of Onco-Anaesthesia and Palliative Medicine, Dr. BRA Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
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Bahmani M, Eftekhari Z, Saki K, Fazeli-Moghadam E, Jelodari M, Rafieian-Kopaei M. Obesity Phytotherapy. J Evid Based Complementary Altern Med 2016; 21:228-234. [DOI: 10.1177/2156587215599105] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023] Open
Abstract
Obesity is an important disorders due to which 25 million deaths occur annually worldwide. Synthetic drugs for weight loss have low efficacy and high side effects. Apart from synthetic drugs in modern medicine, various other methods including the use of herbal medications are used to induce weight loss. Cambodia hoodia, green tea, Citrus aurantium, white beans, fenugreek, caffeine, ephedrine, capsaicin, yohimbine, chitosan, fitostreols, and guar gum have been studied in clinical trials and their effects have been confirmed. It seems necessary to study more to determine the effectiveness and safety of medicinal plants and herbal extracts as well as pharmaceutically active ingredients that may have the property of weight loss. In this article, we aimed to review recent knowledge about medicinal plants that are recommended for weight loss.
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Affiliation(s)
- Mahmoud Bahmani
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran
| | | | - Kourosh Saki
- Lorestan University of Medical Sciences, Khorramabad, Iran
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Brennan L, Murphy KD, de la Piedad Garcia X, Ellis ME, Metzendorf MI, McKenzie JE. Psychological interventions for adults who are overweight or obese. THE COCHRANE DATABASE OF SYSTEMATIC REVIEWS 2016. [DOI: 10.1002/14651858.cd012114] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Leah Brennan
- Australian Catholic University; School of Psychology; The Daniel Mannix Building, Young Street, Fitzroy Melbourne Victoria Australia 3065
| | - Kylie D Murphy
- Monash University; Centre for Obesity Research and Education; Level 6, The Alfred Centre, 99 Commercial Road Melbourne Victoria Australia 3004
| | - Xochitl de la Piedad Garcia
- Australian Catholic University; School of Psychology; The Daniel Mannix Building, Young Street, Fitzroy Melbourne Victoria Australia 3065
| | - Miriam E Ellis
- Australian Catholic University; School of Psychology; The Daniel Mannix Building, Young Street, Fitzroy Melbourne Victoria Australia 3065
| | - Maria-Inti Metzendorf
- Institute of General Practice, Medical Faculty of the Heinrich-Heine-University Düsseldorf; Cochrane Metabolic and Endocrine Disorders Group; Moorenstr. 5 Düsseldorf Germany 40225
| | - Joanne E McKenzie
- Monash University; School of Public Health & Preventive Medicine; Level 1, 549 St Kilda Road Melbourne Victoria Australia 3004
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Hassan HA, El-Gharib NE. Obesity and Clinical Riskiness Relationship: Therapeutic Management by Dietary Antioxidant Supplementation—a Review. Appl Biochem Biotechnol 2015; 176:647-69. [DOI: 10.1007/s12010-015-1602-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Accepted: 03/31/2015] [Indexed: 01/03/2023]
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The liberating effect of weight loss supplements on dietary control: A field experiment. Nutrition 2014; 30:1007-10. [DOI: 10.1016/j.nut.2014.02.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2013] [Revised: 12/14/2013] [Accepted: 02/02/2014] [Indexed: 12/31/2022]
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Entwistle PA, Webb RJ, Abayomi JC, Johnson B, Sparkes AC, Davies IG. Unconscious agendas in the etiology of refractory obesity and the role of hypnosis in their identification and resolution: a new paradigm for weight-management programs or a paradigm revisited? Int J Clin Exp Hypn 2014; 62:330-59. [PMID: 24837063 DOI: 10.1080/00207144.2014.901085] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Hypnosis has long been recognized as an effective tool for producing behavioral change in the eating disorders anorexia and bulimia. Despite many studies from the latter half of the last century suggesting that hypnosis might also be of value in managing obesity situations, the efficacy of hypnotherapy for weight reduction has received surprisingly little formal research attention since 2000. This review presents a brief history of early clinical studies using hypnosis for weight reduction and describes a hypnotherapeutic approach within which a combination of instructional/pedagogic and exploratory therapeutic sessions can work together synergistically to maximize the potential for sustained weight loss. Hypnotic modulation of appetite- and satiation-associated peptides and hormone levels may yield additional physiological benefits in Type 1 and Type 2 diabetes.
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Machado EC, Silveira MFD, Silveira VMFD. Prevalence of weight-loss strategies and use of substances for weight-loss among adults: a population study. CAD SAUDE PUBLICA 2013; 28:1439-49. [PMID: 22892964 DOI: 10.1590/s0102-311x2012000800003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2011] [Accepted: 03/23/2012] [Indexed: 11/21/2022] Open
Abstract
This paper concerns a cross-sectional population-based study conducted with adults living in the city of Pelotas, Rio Grande do Sul State, Brazil. It aims to determine the prevalence of weight-loss practices and use of substances for weight-loss during the 12 months preceding the interview. The prevalence of weight-loss attempts was 26.6%. Although dietary control and regular physical exercise were the most commonly used strategies, the prevalence of the combined use of these methods was only 36% for individuals trying to lose weight. The prevalence of use of substances for weight-loss was 12.8% (48.4% of those who tried to lose weight). The use of dietary control and substances was more common among women, while men practiced physical exercise with greater frequency. Teas were the most frequently used substances for weight-loss. Multivariate analysis identified being female, excess weight and self-perception of excess weight as major associated factors for the use of substances for weight-loss. Finally, we found that, although weight-loss attempts are common, the majority of obese individuals do not make attempts to lose weight and only a minority follows the recommended practices.
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Weight reduction in patients with coronary artery disease: Comparison of Traditional Tibetan Medicine and Western diet. Int J Cardiol 2013; 168:1509-15. [DOI: 10.1016/j.ijcard.2013.07.034] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2013] [Accepted: 07/02/2013] [Indexed: 12/19/2022]
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20
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Roqué i Figuls M, Martínez García L, Martinez-Zapata MJ, Pacheco R, Mauricio D, Bonfill Cosp X. Interventions for treating overweight or obesity in adults: an overview of systematic reviews. THE COCHRANE DATABASE OF SYSTEMATIC REVIEWS 2013. [DOI: 10.1002/14651858.cd010665] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Marta Roqué i Figuls
- CIBER Epidemiología y Salud Pública (CIBERESP), Spain; Iberoamerican Cochrane Centre, Institute of Biomedical Research (IIB Sant Pau); Sant Antoni Maria Claret 171 Edifici Casa de Convalescència Barcelona Catalunya Spain 08041
| | - Laura Martínez García
- Institute of Biomedical Research (IIB Sant Pau); Iberoamerican Cochrane Centre; Sant Antoni Maria Claret 171 Edifici Casa de Convalescència Barcelona Catalunya Spain 08041
| | - Maria José Martinez-Zapata
- CIBER Epidemiología y Salud Pública (CIBERESP), Spain; Iberoamerican Cochrane Centre. Universitat Autònoma de Barcelona. Institute of Biomedical Research Sant Pau (IIB Sant Pau), Barcelona; Sant Antoni M. Claret 171 Casa de Convalescència Barcelona Catalonia Spain 08041
| | - Roxana Pacheco
- Hospital Universitari Arnau de Vilanova; Department of Medicine; Rovira Roure, 80 Lleida Spain 25198
| | - Didac Mauricio
- Hospital Universitari Arnau de Vilanova, Institut de Recerca Biomèdica de Lleida (IRBLLEIDA); Department of Endocrinology and Nutrition; Rovira Roure, 80 Lleida Spain 25198
| | - Xavier Bonfill Cosp
- CIBER Epidemiología y Salud Pública (CIBERESP), Spain - Universitat Autònoma de Barcelona; Iberoamerican Cochrane Centre, Institute of Biomedical Research (IIB Sant Pau); Sant Antoni M. Claret 171 Casa de Convalescència Barcelona Catalonia Spain 08041
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Kim EJY, Chen Y, Huang JQ, Li KM, Razmovski-Naumovski V, Poon J, Chan K, Roufogalis BD, McLachlan AJ, Mo SL, Yang D, Yao M, Liu Z, Liu J, Li GQ. Evidence-based toxicity evaluation and scheduling of Chinese herbal medicines. JOURNAL OF ETHNOPHARMACOLOGY 2013; 146:40-61. [PMID: 23286904 DOI: 10.1016/j.jep.2012.12.027] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2012] [Revised: 12/19/2012] [Accepted: 12/19/2012] [Indexed: 05/19/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE While there is an increasing number of toxicity report cases and toxicological studies on Chinese herbal medicines, the guidelines for toxicity evaluation and scheduling of Chinese herbal medicines are lacking. AIM The aim of this study was to review the current literature on potentially toxic Chinese herbal medicines, and to develop a scheduling platform which will inform an evidence-based regulatory framework for these medicines in the community. MATERIALS AND METHODS The Australian and Chinese regulations were used as a starting point to compile a list of potentially toxic herbs. Systematic literature searches of botanical and pharmaceutical Latin name, English and Chinese names and suspected toxic chemicals were conducted on Medline, PubMed and Chinese CNKI databases. RESULTS Seventy-four Chinese herbal medicines were identified and five of them were selected for detailed study. Preclinical and clinical data were summarised at six levels. Based on the evaluation criteria, which included risk-benefit analysis, severity of toxic effects and clinical and preclinical data, four regulatory classes were proposed: Prohibited for medicinal usage, which are those with high toxicity and can lead to injury or death, e.g., aristolochia; Restricted for medicinal usage, e.g., aconite, asarum, and ephedra; Required warning label, e.g., coltsfoot; and Over-the-counter herbs for those herbs with a safe toxicity profile. CONCLUSION Chinese herbal medicines should be scheduled based on a set of evaluation criteria, to ensure their safe use and to satisfy the need for access to the herbs. The current Chinese and Australian regulation of Chinese herbal medicines should be updated to restrict the access of some potentially toxic herbs to Chinese medicine practitioners who are qualified through registration.
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Affiliation(s)
- Ellie J Y Kim
- Faculty of Pharmacy, The University of Sydney, Sydney, NSW 2006, Australia
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Monakhova YB, Kuballa T, Löbell-Behrends S, Hengen J, Maixner S, Kohl-Himmelseher M, Ruge W, Lachenmeier DW. 1H NMR screening of pharmacologically active substances in weight-loss supplements being sold online. ACTA ACUST UNITED AC 2012. [DOI: 10.1002/lemi.201290115] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Zhang HL, Zhong XB, Tao Y, Wu SH, Su ZQ. Effects of chitosan and water-soluble chitosan micro- and nanoparticles in obese rats fed a high-fat diet. Int J Nanomedicine 2012; 7:4069-76. [PMID: 22888243 PMCID: PMC3414085 DOI: 10.2147/ijn.s33830] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2012] [Indexed: 12/21/2022] Open
Abstract
Purpose: This study determined the effects of chitosan (CTS) and water-soluble chitosan (WSC) microparticles (MPs) and nanoparticles (NPs) in rats with high-fat diet-induced obesity. Methods: The rats were randomly separated into eight groups: a normal diet group (the blank control), a high-fat emulsion group (the negative control), CTS and WSC control groups, CTS-MP and WSC-MP groups, and CTS-NP and WSC-NP groups. All groups (except the blank control group) were fed the high-fat diet for 4 weeks to establish the obesity model. Different samples were administered orally once daily to the treatment groups for 4 weeks. Results: A significantly lower weight gain was observed in the WSC-MP and WSC-NP groups, as well as in the CTS-MP and CTS-NP groups, compared with rats given a normal diet and a high-fat diet (P < 0.05). The WSC-MP rats had the least weight gain among all the groups. The food intake in the eight groups had the same trend as weight gain. CTS and WSC MPs and NPs significantly reduced the final amounts of epididymal and perirenal white adipose tissue. Liver weight was reduced in the CTS-MP group compared to rats fed a high-fat diet. Serum total cholesterol and low-density lipoprotein cholesterol were significantly reduced in all treatment groups, with the WSC-MP and CTS-MP groups showing a more significant reduction than the other groups. Triacylglycerol levels were significantly reduced in the WSC-NP group compared to the high-fat group. The mortality rates of CTS-MP, CTS-NP, WSC-MP, and WSC-NP groups were 30%, 30%, 55%, and 65%, respectively. The median lethal dose for the WSC-MP and WSC-NP groups were 4080 mg/kg and 2370 mg/kg, respectively. Conclusion: These results indicate that CTS and WSC MPs and NPs have greater effects than commercially available CTS and WSC, and can be used as potential antiobesity agents.
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Affiliation(s)
- Hong-liang Zhang
- Department of Pharmacy, First Affiliated Hospital of Guangxi Medical University, Nanning, China
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Park S, Park JS, Cheon C, Yang YJ, An C, Jang BH, Song YK, Go H, Lee JA, Shin Y, Ko SG. A pilot study to evaluate the effect of Taeumjowi-tang on obesity in Korean adults: study protocol for a randomised, double-blind, placebo-controlled, multicentre trial. Trials 2012; 13:33. [PMID: 22483238 PMCID: PMC3362753 DOI: 10.1186/1745-6215-13-33] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2011] [Accepted: 04/07/2012] [Indexed: 12/25/2022] Open
Abstract
Background Obesity, which is described as excessive or abnormal body fat, increases the risk of diet-related diseases. In Korea and around the world, the prevalence of obesity has grown annually from 1998 to 2008. This growth has continued despite various therapeutic efforts. The discovery of new and alternative treatments for obesity should be considered an important priority. Taeumjowi-tang (TJ001), a traditional Korean medicinal extract consisting of eight herbs, is a widely used herbal remedy for obesity in Korea. However, the efficacy and safety of TJ001 have not been fully investigated in a clinical trial. The purpose of this pilot study is to estimate obesity-related parameters and to assess the efficacy and safety of TJ001. Methods Our study is a randomised, double-blind, placebo-controlled, multicentre clinical trial of Taeumjowi-tang (TJ001). For this study, we will recruit obese Korean patients of both sexes, ages 18 to 65 years, from four university hospitals. A total of 104 subjects will be recruited. The participants will receive either 7 g of TJ001 or a placebo three times daily for 12 weeks. The primary end point will be the rate of subjects who lose at least 5% of their baseline body weight. The secondary end points will be changes in body weight, body mass index, waist circumference, hip circumference, waist/hip circumference ratio, lipid profiles, body fat composition, blood pressure, fasting glucose concentration, C-reactive protein and questionnaires related to the quality of life. The outcomes will be measured every 4 weeks. The study period will be 12 weeks and will include a total of five visits with each subject (at screening and at 0, 4, 8 and 12 weeks). Conclusions The results of our study will inform various estimates of TJ001 and will serve as the basis for a larger-scale trial. This study will assess the efficacy and safety of TJ001 as an alternative herbal remedy for obesity. Trial registration Current Controlled Trials ISRCTN87153759
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Affiliation(s)
- Sunju Park
- Center for Clinical Research and Genomics, College of Oriental Medicine and Institute of Oriental Medicine, Kyung Hee University, Seoul, Republic of Korea
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Shen EY, Hsieh CL, Chang YH, Lin JG. Observation of Sympathomimetic Effect of Ear Acupuncture Stimulation for Body Weight Reduction. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2012; 37:1023-30. [DOI: 10.1142/s0192415x09007466] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Ear acupuncture stimulation has been used for body weight reduction as early as the 1970s. Several hypotheses have been proposed in literature regarding its mechanism of action, among which are the effects of the stimulation of the hypothalamic satiety center on decreased neuropeptide Y production. Here, we present another possible mechanism to account for the temporary and short-term effects of ear acupuncture stimulation in the treatment of obesity, the sympathetic effects of the autonomic nervous system. 14 female volunteers underwent a randomized clinical trial of the ear acupuncture stimulation. A prospective, sham-point control, crossover study was performed with two sequential four-week stimulation periods separated by a two-week washout interval. The clinical features of and effects on the autonomic nervous system were recorded and analyzed. Decreased body weight was observed in both the experimental and the control groups in the first 4 weeks of stimulation. Sympathomimetic effects were also noted in both groups. Whereas the sympathomimetic effects and body weight reduction were sustained in the experimental group in the second 4 weeks of stimulation, such effects were not observed in the control group. Some sympathomimetic effects were noted in both the experimental and the control groups initially. This effect remained apparent in the experimental group in sequential stimulation but was lost in the control group. Consequently, we believe that sympathomimetic effects may account for the reduction in body weight by temporarily increasing basal metabolic rate and decreasing appetite, but the body may regain weight after the termination of such effects. Accordingly, the combination of an optimal exercise and diet program with repeated acupoint therapy may be necessary to maintain a healthy body weight.
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Affiliation(s)
- Ein-Yiao Shen
- Graduate Institute of Acupuncture Science, China Medical University, Taichung, Taiwan
- Department of Pediatrics, China Medical University Hospital, Taipei Branch, Taipei, Taiwan
| | - Ching-Liang Hsieh
- Graduate Institute of Acupuncture Science, China Medical University, Taichung, Taiwan
| | - Yung-Hsien Chang
- Graduate Institute of Acupuncture Science, China Medical University, Taichung, Taiwan
| | - Jaung-Geng Lin
- Graduate Institute of Acupuncture Science, China Medical University, Taichung, Taiwan
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Elder CR, Gullion CM, DeBar LL, Funk KL, Lindberg NM, Ritenbaugh C, Meltesen G, Gallison C, Stevens VJ. Randomized trial of Tapas Acupressure Technique for weight loss maintenance. Altern Ther Health Med 2012; 12:19. [PMID: 22417316 PMCID: PMC3375195 DOI: 10.1186/1472-6882-12-19] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2011] [Accepted: 03/15/2012] [Indexed: 11/18/2022]
Abstract
Background Obesity is an urgent public health problem, yet only a few clinical trials have systematically tested the efficacy of long-term weight-loss maintenance interventions. This randomized clinical trial tested the efficacy of a novel mind and body technique for weight-loss maintenance. Methods Participants were obese adults who had completed a six-month behavioral weight-loss program prior to randomization. Those who successfully lost weight were randomized into either an experimental weight-loss maintenance intervention, Tapas Acupressure Technique (TAT®), or a control intervention comprised of social-support group meetings (SS) led by professional facilitators. TAT combines self-applied light pressure to specific acupressure points accompanied by a prescribed sequence of mental steps. Participants in both maintenance conditions attended eight group sessions over six months of active weight loss maintenance intervention, followed by an additional 6 months of no intervention. The main outcome measure was change in weight from the beginning of the weight loss maintenance intervention to 12 months later. Secondary outcomes were change in depression, stress, insomnia, and quality of life. We used analysis of covariance as the primary analysis method. Missing values were replaced using multiple imputation. Results Among 285 randomized participants, 79% were female, mean age was 56 (standard deviation (sd) = 11), mean BMI at randomization was 34 (sd = 5), and mean initial weight loss was 9.8 kg (sd = 5). In the primary outcome model, there was no significant difference in weight regain between the two arms (1.72 kg (se 0.85) weight regain for TAT and 2.96 kg (se 0.96) weight regain for SS, p < 0.097) Tests of between- arm differences for secondary outcomes were also not significant. A secondary analysis showed a significant interaction between treatment and initial weight loss (p < .036), with exploratory post hoc tests showing that greater initial weight loss was associated with more weight regain for SS but less weight regain for TAT. Conclusions The primary analysis showed no significant difference in weight regain between TAT and SS, while secondary and post hoc analyses indicate direction for future research. Trial Registration ClinicalTrials.gov: NCT00526565
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Urdampilleta A, González-Muniesa P, Portillo MP, Martínez JA. Usefulness of combining intermittent hypoxia and physical exercise in the treatment of obesity. J Physiol Biochem 2011; 68:289-304. [PMID: 22045452 DOI: 10.1007/s13105-011-0115-1] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2011] [Accepted: 09/01/2011] [Indexed: 12/19/2022]
Abstract
Obesity is an important public health problem worldwide and is a major risk factor for a number of chronic diseases such as type II diabetes, adverse cardiovascular events and metabolic syndrome-related features. Different treatments have been applied to tackle body fat accumulation and its associated clinical manifestations. Often, relevant weight loss is achieved during the first 6 months under different dietary treatments. From this point, a plateau is reached, and a gradual recovery of the lost weight may occur. Therefore, new research approaches are being investigated to assure weight maintenance. Pioneering investigations have reported that oxygen variations in organic systems may produce changes in body composition. Possible applications of intermittent hypoxia to promote health and in various pathophysiological states have been reported. The hypoxic stimulus in addition to diet and exercise can be an interesting approach to lose weight, by inducing higher basal noradrenalin levels and other metabolic changes whose mechanisms are still unclear. Indeed, hypoxic situations increase the diameter of arterioles, produce peripheral vasodilatation and decrease arterial blood pressure. Furthermore, hypoxic training increases the activity of glycolytic enzymes, enhancing the number of mitochondria and glucose transporter GLUT-4 levels as well as improving insulin sensitivity. Moreover, hypoxia increases blood serotonin and decreases leptin levels while appetite is suppressed. These observations allow consideration of the hypothesis that intermittent hypoxia induces fat loss and may ameliorate cardiovascular health, which might be of interest for the treatment of obesity. This new strategy may be useful and practical for clinical applications in obese patients.
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Affiliation(s)
- Aritz Urdampilleta
- Department of Pharmacy and Food Sciences, University of Basque Country, Vitoria-Gasteiz, Spain
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Cimolai N, Cimolai T. Yohimbine Use for Physical Enhancement and Its Potential Toxicity. J Diet Suppl 2011; 8:346-54. [DOI: 10.3109/19390211.2011.615806] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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An Integrative Approach to the Treatment of Obesity and Binge Eating Disorder. TOP CLIN NUTR 2011. [DOI: 10.1097/tin.0b013e3182379380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Yuliana ND, Jahangir M, Korthout H, Choi YH, Kim HK, Verpoorte R. Comprehensive review on herbal medicine for energy intake suppression. Obes Rev 2011; 12:499-514. [PMID: 20659298 DOI: 10.1111/j.1467-789x.2010.00790.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
The obesity drug development is present not a bright and successful story. So far, drugs reported to be effective, either from synthetic or natural sources, mostly stimulated controversy because of serious adverse effects, which ended with stopping clinical trials or even withdrawal from the market. However, obesity and its comorbidities have become rapidly a major problem in both developed and developing countries. This has encouraged pharmaceutical companies and academia to keep on struggling on developing novel effective but safe obesity drugs, and on characterizing novel obesity drug targets. From existing scientific work on obesity drug discovery and commercial slimming preparations, compounds originating from nature, especially from plants, seem to be the first choice. Traditional belief that herbal medicine is safer than synthetic ones is one of the classical arguments, although scientifically this is not always true (e.g. ban on Ephedra). But in general, it has been widely acknowledged that a plant compound, with its unique scaffolds and rich diversity is an unlimited source of novel lead compounds. This paper aims to summarize all works focused on screening plant materials by targeting important pathways related to energy intake regulation, either by in vivo or in vitro experiments.
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Affiliation(s)
- N D Yuliana
- Department of Pharmacognosy, Section of Metabolomics, Leiden University, Leiden, The Netherlands
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Chan SP, Chui WC, Lo KW, Huang KC, Leyesa ND, Lin WY, Mirasol RC, Robles YR, Tey BH, Paraidathathu T. Consensus statement: appropriate consumer education and communication programs for weight- loss agents in Asia. Asia Pac J Public Health 2011; 24:641-9. [PMID: 21490107 DOI: 10.1177/1010539511402189] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND AND AIM The increasing prevalence of overweight and obesity worldwide demands increased efforts in the prevention and management of obesity. This article aims to present consensus statements promoting appropriate consumer education and communication programs for weight-loss agents in Asia. METHODS Panel members from various disciplines developed consensus statements based on an expert meeting on the benefits of consumer education and communication programs for over-the-counter weight-loss agents. Key opinion leaders discussed relevant data that served as the basis of the recommendations. RESULTS Obesity is a growing epidemic in Asia, turning the region into a potential market for weight-loss products and services. Current trends in direct-to-consumer advertising demonstrate the pervasiveness of false representations lacking adequate substantiation. Relevant issues and recommendations were established. CONCLUSIONS Public education on weight management is a shared responsibility; there is a need to raise public awareness of obesity and its health-related consequences. Advertising guidelines should ensure responsible direct-to-consumer advertising of weight-loss agents.
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Sakane N. Pharmacology in health foods:merits and demerits of food with health claims for the prevention of metabolic syndrome. J Pharmacol Sci 2011; 115:476-80. [PMID: 21436603 DOI: 10.1254/jphs.10r36fm] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
The merits and demerits of food with health claims for the prevention of metabolic syndrome (MS) are reviewed. One major underlying cause of MS is obesity. Diet and lifestyle changes remain the cornerstones of therapy for obesity, but resulting weight loss is often small and long-term success is extremely uncommon and disappointing. Many anti-obesity drugs have been associated with unintended therapeutic outcomes. Currently, only one drug (mazindol) is approved in Japan for short-term treatment of individuals with a BMI over 35 kg/m(2). Treatment with orlistat with dietary modification, caffeine, or protein supplementation; consuming a low-fat diet; adherence to physical activity routines; prolonged contact with participants; problem-solving therapy; and the alternative treatment of acupressure are efficacious in reducing weight regain after weight loss treatment. Because obesity is highly stigmatized, any effective treatment should be made available to improve quality of life and self-image. Therefore, it is necessary to provide information to consumers through the media concerning 1) basic knowledge about health foods and laws concerning them, 2) scientifically based information on safety/effectiveness of health foods and food elements, and 3) reports on health disturbances associated with health foods around the world.
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Affiliation(s)
- Naoki Sakane
- Division of Preventive Medicine, Clinical Research Institute for Endocrine and Metabolic Disease, National Hospital Organization Kyoto Medical Center, Japan.
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Onakpoya IJ, Wider B, Pittler MH, Ernst E. Food supplements for body weight reduction: a systematic review of systematic reviews. Obesity (Silver Spring) 2011; 19:239-44. [PMID: 20814412 DOI: 10.1038/oby.2010.185] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Igho J Onakpoya
- Complementary Medicine, Peninsula Medical School, University of Exeter, Exeter, UK.
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Elder C, Gallison C, Lindberg NM, DeBar L, Funk K, Ritenbaugh C, Stevens VJ. Randomized trial of Tapas Acupressure Technique for weight loss maintenance: rationale and study design. J Altern Complement Med 2010; 16:683-90. [PMID: 20569037 DOI: 10.1089/acm.2009.0454] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVES The aim of this article is to present the rationale, study design, and methods of an ongoing randomized controlled trial assessing the efficacy of an energy psychology intervention, Tapas Acupressure Technique (TAT), to prevent weight regain following successful weight loss. DESIGN This is a randomized controlled trial. SETTINGS/LOCATION The study is being conducted at a large group-model health maintenance organization (HMO). SUBJECTS The study subjects are adult members of an HMO. INTERVENTIONS TAT is being compared to a self-directed social support comparison intervention. OUTCOME MEASURES The primary outcome measure is weight-loss maintenance at 6 and 12 months post-randomization. CONCLUSIONS This randomized controlled trial will test the efficacy of an energy psychology intervention, TAT, by comparing it with a self-directed social support group intervention. This is, to our knowledge, the largest randomized controlled study to date of an energy psychology intervention. Positive findings would support the use of TAT as a tool to prevent weight regain following successful weight loss.
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Affiliation(s)
- Charles Elder
- Kaiser Permanente Center for Health Research, Portland, OR 97227, USA.
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35
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Li J, Lu Y, Shi YM, Lenon G, Shi Y. Acupuncture for overweight or obese people. Hippokratia 2010. [DOI: 10.1002/14651858.cd008612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Jie Li
- Shanghai University of Traditional Chinese Medicine; Shanghai Evidence-Based Centre of Traditional Chinese Medicine; Chinese Medical Literature Institute No. 1200, Cailun Road Shanghai China 201203
| | - Ying Lu
- Shanghai University of Traditional Chinese Medicine; Institute of Traditional Chinese Medical Literatures; No.1200 Cai Lun Rd, Shanghai Shanghai China 201203
| | - Yu Mei Shi
- Shanghai University of Traditional Chinese Medicine; Faculty of Nursing; No.1200 Cai Lun Rd, Shanghai Shanghai China 201203
| | - George Lenon
- Bundoora West Campus, RMIT University; Division of Chinese Medicine, School of Health Sciences; PO BOX 71 Bundoora Victoria Australia 3083
| | - Yin Shi
- Shanghai University of Traditional Chinese Medicine; Institute of Acupuncture and Meridian; No.650 Wanping Rd, Xuhui District, Shanghai Shanghai China 201 203
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Yazaki Y, Faridi Z, Ma Y, Ali A, Northrup V, Njike VY, Liberti L, Katz DL. A pilot study of chromium picolinate for weight loss. J Altern Complement Med 2010; 16:291-9. [PMID: 20192914 DOI: 10.1089/acm.2009.0286] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Chromium is an essential trace element and nutritional supplement that has garnered interest for use as a weight loss aid. OBJECTIVE This trial assesses the effects of chromium picolinate supplementation, alone and combined with nutritional education, on weight loss in apparently healthy overweight adults. DESIGN This was a randomized, double-blind, placebo-controlled trial of 80 otherwise healthy, overweight adults assessed at baseline for central adiposity measured by computerized tomography. Subjects were randomly assigned to daily ingestion of 1000 microg of chromium picolinate or placebo for 24 weeks. All subjects received passive nutritional education at the 12-week point in both the intervention and control groups. Outcomes include weight, height, blood pressure, percent body fat, serum, and urinary biomarkers. RESULTS At baseline, both the chromium and placebo groups had similar mean body mass index (BMI) (chromium = 36 +/- 6.7 kg/m(2) versus placebo = 36.1 +/- 7.6 kg/m(2); p = 0.98). After 12 weeks, no change was seen in BMI in the intervention as compared to placebo (chromium = 0.3 +/- 0.8 kg/m(2) versus placebo = 0.0 +/- 0.4 kg/m(2); p = 0.07). No change was seen in BMI after 24 weeks in the intervention as compared to placebo (chromium = 0.1 +/- 0.2 kg/m(2) versus placebo = 0.0 +/- 0.5 kg/m(2); p = 0.81). Variation in central adiposity did not affect any outcome measures. CONCLUSIONS Supplementation of 1000 microg of chromium picolinate alone, and in combination with nutritional education, did not affect weight loss in this population of overweight adults. Response to chromium did not vary with central adiposity.
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Affiliation(s)
- Yuka Yazaki
- Yale-Griffin Prevention Research Center, Derby, CT 06418, USA
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Gout B, Bourges C, Paineau-Dubreuil S. Satiereal, a Crocus sativus L extract, reduces snacking and increases satiety in a randomized placebo-controlled study of mildly overweight, healthy women. Nutr Res 2010; 30:305-13. [DOI: 10.1016/j.nutres.2010.04.008] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2010] [Revised: 04/14/2010] [Accepted: 04/21/2010] [Indexed: 10/19/2022]
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Abstract
Although many complementary therapies are promoted for the treatment of obesity, few are truly therapeutic. Evidence suggests that food containing diacylglycerol oil, acupuncture, and hypnosis are the only evidence-based complementary therapies for the treatment of obesity, and, at best, these should be used as adjuvants to the more conventional therapies of calorie restriction and exercise.
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Affiliation(s)
- Terrence E Steyer
- Department of Family Medicine, Medical University of South Carolina, 9228 Medical Plaza Drive, Charleston, SC 29406, USA.
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Abstract
BACKGROUND AND OBJECTIVE Acupuncture is widely used in complementary and alternative medicine to reduce body weight. However, a systematic review and meta-analysis to assess an effect of acupuncture has not yet been performed. Aim of this study is to critically assess evidence for reduction of body weight and to evaluate adverse events of acupuncture therapy based on the results of randomized controlled trials (RCTs) that evaluate the effect of various types of acupuncture therapies. DATA SOURCES A total of 19 electronic databases, including English, Korean, Japanese and Chinese databases, were systematically searched for RCTs of acupuncture for reduction of body weight or improvement in obesity up to March 2008 with no language restrictions. METHODS RCTs for acupuncture compared either with placebo controlled or with comparator intervention were considered. Studies' methodological qualities were assessed using the Jadad scale. If no evidence of heterogeneity existed across study results, statistical pooling of data was performed using a fixed effects model; otherwise, a random effects model was used. Publication bias was assessed using funnel plots. Subgroup analyses were performed according to types of acupuncture. RESULTS A total of 31 studies, which comprised a total of 3013 individual cases, were systematically reviewed. Owing to insufficient data in 2 RCTs, 29 RCTs were used for meta-analysis. About two-thirds of the trials (20 out of 31) showed the lowest score of the Jadad. Compared to control of lifestyle, acupuncture was associated with a significant reduction of average body weight (95% confidence interval, CI) of 1.72 kg (0.50-2.93 kg) and associated with an improvement in obesity (relative risk=2.57; 95% CI, 1.98-3.34). Acupuncture significantly reduced a body weight of 1.56 kg (0.74-2.38 kg), on average, compared to placebo or sham treatments. Acupuncture also showed more improved outcomes for body weight (mean difference=1.90 kg; 1.66-2.13 kg), as well as for obesity (relative risk=1.13; 1.04-1.22), than conventional medication. Only four RCTs reported acupuncture-related adverse events, which were mostly minimal. CONCLUSIONS Our review suggests that acupuncture is an effective treatment for obesity. However, the amount of evidence is not fully convincing because of the poor methodological quality of trials reviewed. In conclusion, there is an urgent need for well-planned, long-term studies to address the effectiveness of acupuncture for treating obesity.
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Abstract
The problem of overweight and obesity has reached epidemic proportions in the United States and globally, and the high prevalence is due in part to the recidivism associated with weight loss treatment. Approximately one-third of lost weight is often regained in the first year after treatment and, at times, continues. Because a plethora of comorbid diseases are associated with obesity, in particular, cardiovascular disease, hypertension, and hyperlipidemia, clinicians and researchers have attempted to find useful strategies for maintaining weight loss. This review presents the findings from 42 randomized clinical trials of weight loss maintenance from 1984 through 2007 using interventions that include (1) the Internet, (2) strategies after a very low calorie diet, (3) pharmacotherapy, (4) behavioral strategies, (5) physical activity, and (6) alternative strategies. The results of the reviewed trials revealed that treatment with orlistat or sibutramine combined with dietary modification, caffeine or protein supplementation, consuming a diet lower in fat, adherence to physical activity routines, prolonged contact with participants, problem-solving therapy, and the alternative treatment of acupressure were efficacious in reducing weight regain after weight loss treatment. The limitations of some studies may reduce the robustness of their findings, and future studies are necessary to replicate and support these results so that individuals are able to maintain weight loss and retain the health benefits associated with a lower weight.
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Affiliation(s)
- Melanie Warziski Turk
- Department of Health and Community Systems, University of Pittsburgh School of Nursing, Pennsylvania 15261, USA.
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Administration of a dietary supplement (N-oleyl-phosphatidylethanolamine and epigallocatechin-3-gallate formula) enhances compliance with diet in healthy overweight subjects: a randomized controlled trial. Br J Nutr 2008; 101:457-64. [DOI: 10.1017/s0007114508024008] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Many studies have found thatN-oleyl-ethanolamine (NOE), a metabolite ofN-oleyl-phosphatidylethanolamine (NOPE), and epigallocatechin-3-gallate (EGCG) inhibit food intake. The main aim of this study was to evaluate the efficacy of 2 months of administration of an oily NOPE–EGCG complex (85 mg NOPE and 50 mg EGCG per capsule) and its effect on compliance with diet in healthy, overweight people. Secondary end-points of the study were to compare body composition, metabolic parameters, sensation of appetite, depressive symptoms and severity of binge eating. Using a parallel-arm, double-blind, placebo-controlled design, 138 healthy, overweight women (106) and men (thirty-two) were randomly assigned to one of two groups: (1) the treatment group (seventy-one patients: fifty-three females, eighteen males) taking two capsules per day of an oral supplement or (2) the placebo group (sixty-seven patients: fifty-three females, fourteen males). Both groups observed a 3344 kJ/d energy restriction. All parameters were assessed both before onset and after 2 months on the supplement. Dropout was 6 % in the NOPE–EGCG group and 27 % in the placebo group (P < 0·001). The treatment induced a significant weight reduction in both groups ( − 3·28 kg and − 2·67 kg in NOPE–EGCG and placebo, respectively); the weight changes were not significantly different between the groups. NOPE–EGCG treatment improved insulin resistance (P < 0·001), the sensation feelings of fullness (P < 0·05), depressive symptoms (P < 0·004) and severity of binge eating (P < 0·0001).
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Abstract
At any one time large numbers of people are attempting to control their weight. Women are the principal consumers of weight-control programs. Their options, outside the prescription drug market and surgical treatment, include diets and diet books, exercise alone or with supervision in exercise facilities, dietary supplements, group programs, doctors, dietitians, psychologists, and other health-care professionals. Non-prescription products available to help people control their weight cover a wide range, including herbal dietary supplements, diet drinks and portion-controlled foods, meal replacements, and low-carbohydrate diets and foods. The introduction of orlistat as an over-the-counter (OTC) product will provide the only Food and Drug Administration (FDA)-approved product for weight loss currently in that category since phenylpropanolamine (PPA) was withdrawn by the FDA. The FDA approval process is considerably more expensive than allowing untested herbal supplements to be marketed without testing, but the added safety evaluation by the FDA will reduce the risk of disastrous outcomes that have plagued many approaches to weight control. Support for a place for orlistat as an OTC product includes the inadequacy of current programs, empowerment of the public, lower cost, and bringing pharmacists into weight-control programs. The downside includes improper use of OTC orlistat that may not result in achieving individual expectations.
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Affiliation(s)
- George A Bray
- Pennington Biomedical Research Center of Louisiana State University, Baton Rouge, LA, USA.
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Harvey KJ, Korczak VS, Marron LJ, Newgreen DB. Commercialism, choice and consumer protection: regulation of complementary medicines in Australia. Med J Aust 2008. [DOI: 10.5694/j.1326-5377.2008.tb01498.x] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Ken J Harvey
- School of Public Health, La Trobe University, Melbourne, VIC
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Abstract
Although diabetes is one of the most serious global health problems, there is no real cure yet for it. The conventional insulin treatment programs aimed at life quality improvement do not take into account the psychological aspects of the disease. Because diabetes has important psychological components, it seems reasonable to consider hypnosis as an adjunct therapy for diabetes. This paper examines the empirical literature on the effectiveness of hypnosis in the management of diabetes, including regulation of blood sugar, increased compliance, and improvement of peripheral blood circulation. Despite some methodological limitations, the literature shows promising results that merit further exploration. Multimodal treatments seem especially promising, with hypnosis as an adjunct to insulin treatments in the management of both Type 1 and Type 2 diabetes for stabilization of blood glucose and decreased peripheral vascular complications.
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Affiliation(s)
- Yuan Xu
- Lund University, Lund, Sweden
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Pakzad K, Boucher BA, Kreiger N, Cotterchio M. The use of herbal and other non-vitamin, non-mineral supplements among pre- and post-menopausal women in Ontario. Canadian Journal of Public Health 2007. [PMID: 17985680 DOI: 10.1007/bf03405424] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
BACKGROUND Herbal or other non-vitamin, non-mineral (NVNM) supplements are used by many Canadians, and are of public health significance given potential health effects. The majority of supplement users are women, yet there are limited data on their pattern of use. Ontario women were surveyed about their use of NVNM supplements, including those for women's health, and characteristics associated with use were examined. METHODS 3,423 randomly selected Ontario households were telephoned to identify eligible women (25-65 years). Of the 1,741 identified, 800 agreed to participate and were mailed a self-administered questionnaire querying NVNM supplement use and health-related characteristics. Prevalence of use, duration, and reasons for use were calculated; distributions of respondent characteristics were tabulated and associations with supplement use were assessed. RESULTS 478 women (27%) completed questionnaires; 64% reported ever, and 34% reported current use of NVNM supplements. Echinacea was the most frequently used, followed by evening primrose, garlic, and camomile; supplements were used for less than one year. Alleviation of symptoms and prevention of illness were two primary reasons for taking NVNM supplements. 49% reported ever, and 37% reported current use of supplements for women's health, and for reasons similar to other NVNM supplements. High body mass index (> or =30.0 kg/m2) was associated with more supplement use, and visiting a physiotherapist in the past year was associated with less. CONCLUSION Findings suggest a high level of NVNM supplement use among Ontario women, possibly associated with certain health-related characteristics. This has important public health implications considering possible benefits and/or interactions with conventional medications.
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Affiliation(s)
- Katayoon Pakzad
- Department of Nutritional Sciences, University of Toronto, Toronto, ON
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47
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Affiliation(s)
- George A Bray
- Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA 70808, USA.
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Wydro P, Krajewska B, Hac-Wydro K. Chitosan as a Lipid Binder: A Langmuir Monolayer Study of Chitosan−Lipid Interactions. Biomacromolecules 2007; 8:2611-7. [PMID: 17630796 DOI: 10.1021/bm700453x] [Citation(s) in RCA: 142] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Owing to its distinct chemico-biological properties, chitosan, a cationic biopolymer, offers a great potential in multifarious bioapplications. One such application is as a dietary antilipidemic supplement to be used to reduce obesity/overweight and to lower cholesterol. The lipid-binding efficiency of chitosan, however, remains debatable. Accordingly, in this study we investigated the interactions of chitosan with selected lipids, cholesterol and fatty acids, the latter including saturated (stearic acid) and unsaturated (oleic, linoleic, alpha-linolenic) acids. The experiments were performed with the Langmuir monolayer technique, in which surface pressure-area isotherms were recorded for the lipid monolayers spread on the acetate buffer pH 4.0 subphase in the absence and presence of chitosan. We found that the presence of chitosan in the subphase strongly influenced the shape and location of the isotherms, proving that there existed attractions between chitosan and lipid molecules. The attractions were revealed by changes of the molecular organization of the monolayers. The common feature of these changes was that all the monolayers studied underwent expansion, in each case reaching saturation with increasing chitosan concentration. In agreement with the lipid molecular structures, the highest expansions were observed for the most unsaturated fatty acids, linoleic and alpha-linolenic, the lowest for stearic acid, with oleic acid and cholesterol being the intermediate cases. By contrast, the main distinguishing feature of these changes was that, although none of the monolayers studied changed its state when completely saturated with chitosan, compared to the parent ones the compactness of the monolayers was modified. The solid monolayers of stearic acid and cholesterol were loosened, whereas those of all the unsaturated acids, liquid in nature, were tightened. On the basis of these results we tentatively propose a mechanism of the chitosan action that includes both electrostatic and hydrophobic lipid-chitosan interactions as well as hydrogen bonding between them.
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Affiliation(s)
- Paweł Wydro
- Faculty of Chemistry, Jagiellonian University, 30-060 Kraków, Ingardena 3, Poland
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Salas-Salvadó J, Rubio MA, Barbany M, Moreno B. [SEEDO 2007 Consensus for the evaluation of overweight and obesity and the establishment of therapeutic intervention criteria]. Med Clin (Barc) 2007; 128:184-96; quiz 1 p following 200. [PMID: 17298782 DOI: 10.1016/s0025-7753(07)72531-9] [Citation(s) in RCA: 220] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Jordi Salas-Salvadó
- Hospital Universitari de Sant Joan de Reus, Universitat Rovira i Virgili, Tarragona, España.
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Sharpe PA, Granner ML, Conway JM, Ainsworth BE, Dobre M. Availability of weight-loss supplements: Results of an audit of retail outlets in a southeastern city. ACTA ACUST UNITED AC 2007; 106:2045-51. [PMID: 17126636 DOI: 10.1016/j.jada.2006.09.014] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2005] [Indexed: 11/28/2022]
Abstract
The sale of nonprescription weight-loss products accounts for millions of dollars spent by Americans trying to lose weight, yet there is little evidence for effectiveness and there are multiple safety concerns. The purpose of this study was to determine what products, and ingredients within products, were available at retail outlets in a metropolitan area. A purposive sampling strategy identified 73 retail outlets. An audit form was used to collect information from product labels. The audit identified 402 products containing 4,053 separate ingredients. The mean number of ingredients per product was 9.9+/-8.96 (range = 1 to 96). A database search was conducted regarding evidence for effectiveness, safety precautions, and side effects for the 10 ingredients that appeared most often across products. Modest evidence of effectiveness exists for green tea (Camellia sinensis), chromium picolinate, and ma huang (Ephedra major). For the remaining seven (ginger root [Zingiber officinale], guarana [Paullinia cupana], hydroxycitric acid [Garcinia cambogia], white willow [Salix alba], Siberian ginseng [Eleutherococcus senticosus], cayenne [Capsicum annuum], and bitter orange/zhi shi [Citrus aurantium]), inadequate or negative evidence exists. Although precautions and contraindications were found for all 10 ingredients, the strongest concerns in the literature appear for ma huang, bitter orange, and guarana. Our audit revealed numerous weight-loss products available to consumers, yet there is little evidence to support the effectiveness of the top 10 ingredients identified and many potential adverse reactions; therefore, food and nutrition professionals should discuss dietary supplement use with their clients.
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Affiliation(s)
- Patricia A Sharpe
- Prevention Research Center, Arnold School of Public Health, University of South Carolina, 921 Assembly St, Columbia, SC 29208, USA.
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