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van den Burg EL, van Peet PG, Schoonakker MP, van de Haar DE, Numans ME, Pijl H. Metabolic impact of intermittent energy restriction and periodic fasting in patients with type 2 diabetes: a systematic review. Nutr Rev 2023; 81:1329-1350. [PMID: 36888890 PMCID: PMC10494137 DOI: 10.1093/nutrit/nuad015] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/10/2023] Open
Abstract
CONTEXT The effectiveness of intermittent energy restriction (IER) and periodic fasting (PF) in the management of type 2 diabetes (T2D) remains a subject of discussion. OBJECTIVE The aim of this systematic review is to summarize current knowledge of the effects of IER and PF in patients with T2D on markers of metabolic control and the need for glucose-lowering medication. DATA SOURCES PubMed, Embase, Emcare, Web of Science, Cochrane Library, CENTRAL, Academic Search Premier, Science Direct, Google Scholar, Wiley Online Library, and LWW Health Library were searched for eligible articles on March 20, 2018 (last update performed November 11, 2022). Studies that evaluated the effects of IER or PF diets in adult patients with T2D were included. DATA EXTRACTION This systematic review is reported according to PRISMA guidelines. Risk of bias was assessed through the Cochrane risk of bias tool. The search identified 692 unique records. Thirteen original studies were included. DATA ANALYSIS A qualitative synthesis of the results was constructed because the studies differed widely in terms of dietary interventions, study design, and study duration. Glycated hemoglobin (HbA1c) declined in response to IER or PF in 5 of 10 studies, and fasting glucose declined in 5 of 7 studies. In 4 studies, the dosage of glucose-lowering medication could be reduced during IER or PF. Two studies evaluated long-term effects (≥1 year after ending the intervention). The benefits to HbA1c or fasting glucose were generally not sustained over the long term. There are a limited number of studies on IER and PF interventions in patients with T2D. Most were judged to have at least some risk of bias. CONCLUSION The results of this systematic review suggest that IER and PF can improve glucose regulation in patients with T2D, at least in the short term. Moreover, these diets may allow for dosage reduction of glucose-lowering medication. SYSTEMATIC REVIEW REGISTRATION PROSPERO registration no. CRD42018104627.
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Affiliation(s)
- Elske L van den Burg
- Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
| | - Petra G van Peet
- Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
| | - Marjolein P Schoonakker
- Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
| | - Dionysia E van de Haar
- Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
| | - Mattijs E Numans
- Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
| | - Hanno Pijl
- Department of Internal Medicine, Leiden University Medical Center, Leiden, The Netherlands
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Athinarayanan SJ, Adams RN, Hallberg SJ, McKenzie AL, Bhanpuri NH, Campbell WW, Volek JS, Phinney SD, McCarter JP. Long-Term Effects of a Novel Continuous Remote Care Intervention Including Nutritional Ketosis for the Management of Type 2 Diabetes: A 2-Year Non-randomized Clinical Trial. Front Endocrinol (Lausanne) 2019; 10:348. [PMID: 31231311 PMCID: PMC6561315 DOI: 10.3389/fendo.2019.00348] [Citation(s) in RCA: 170] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 05/14/2019] [Indexed: 02/06/2023] Open
Abstract
Purpose: Studies on long-term sustainability of low-carbohydrate approaches to treat diabetes are limited. We previously reported the effectiveness of a novel digitally-monitored continuous care intervention (CCI) including nutritional ketosis in improving weight, glycemic outcomes, lipid, and liver marker changes at 1 year. Here, we assess the effects of the CCI at 2 years. Materials and methods: An open label, non-randomized, controlled study with 262 and 87 participants with T2D were enrolled in the CCI and usual care (UC) groups, respectively. Primary outcomes were retention, glycemic control, and weight changes at 2 years. Secondary outcomes included changes in body composition, liver, cardiovascular, kidney, thyroid and inflammatory markers, diabetes medication use and disease status. Results: Reductions from baseline to 2 years in the CCI group resulting from intent-to-treat analyses included: HbA1c, fasting glucose, fasting insulin, weight, systolic blood pressure, diastolic blood pressure, triglycerides, and liver alanine transaminase, and HDL-C increased. Spine bone mineral density in the CCI group was unchanged. Use of any glycemic control medication (excluding metformin) among CCI participants declined (from 55.7 to 26.8%) including insulin (-62%) and sulfonylureas (-100%). The UC group had no changes in these parameters (except uric acid and anion gap) or diabetes medication use. There was also resolution of diabetes (reversal, 53.5%; remission, 17.6%) in the CCI group but not in UC. All the reported improvements had p < 0.00012. Conclusion: The CCI group sustained long-term beneficial effects on multiple clinical markers of diabetes and cardiometabolic health at 2 years while utilizing less medication. The intervention was also effective in the resolution of diabetes and visceral obesity with no adverse effect on bone health. Clinical Trial Registration: Clinicaltrials.gov NCT02519309.
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Affiliation(s)
| | | | - Sarah J. Hallberg
- Virta Health Corp, San Francisco, CA, United States
- Indiana University Health Arnett, Lafayette, IN, United States
| | | | | | - Wayne W. Campbell
- Department of Nutrition Science, Purdue University, West Lafayette, IN, United States
| | - Jeff S. Volek
- Virta Health Corp, San Francisco, CA, United States
- Department of Human Sciences, The Ohio State University, Columbus, OH, United States
| | | | - James P. McCarter
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, United States
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Kim KT, Cho DC, Sung JK, Kim CH, Kang H, Kim DH. Changes in HbA 1c levels and body mass index after successful decompression surgery in patients with type 2 diabetes mellitus and lumbar spinal stenosis: results of a 2-year follow-up study. Spine J 2017; 17:203-210. [PMID: 27612595 DOI: 10.1016/j.spinee.2016.08.029] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 06/23/2016] [Accepted: 08/23/2016] [Indexed: 02/03/2023]
Abstract
BACKGROUND CONTEXT Lumbar spinal stenosis (LSS) can hinder a patient's physical activity, which in turn can impair glucose tolerance and body weight regulation in patients with type 2 diabetes mellitus (DM-2). Therefore, successful lumbar surgery could facilitate glycemic control and body weight regulation. PURPOSE This study aimed to evaluate the effects of postoperative improvement in physical activity on body mass index (BMI) and hemoglobin A1c (HbA1c) level in patients with LSS and DM-2 over a 2-year follow-up period. STUDY DESIGN Prospective longitudinal observational study. PATIENT SAMPLE Patients with LSS and DM-2. OUTCOME MEASURES Visual analogue scale (VAS) scores for back pain and leg pain, Oswestry Disability Index (ODI) scores, Japanese Orthopaedic Association (JOA) scores, JOA Back Pain Evaluation Questionnaire (JOABPEQ) sections, BMI, and blood analysis for HbA1c were carried out. METHODS A total of 119 patients were enrolled for analysis of the effect of successful decompression surgery on changes in HbA1c levels and BMI. The VAS score, ODI score, JOA score, JOABPEQ, BMI, HbA1c were reassessed at 6 months, 1 year, and 2 years after surgery. Additionally, correlations between changes in HbA1c and changes in the ODI, JOA, JOABPEQs, and BMI were analyzed. RESULTS The overall values of HbA1c before and at 6 months, 1 year, and 2 years after the surgery were 7.08±0.94%, 6.58±0.87%, 6.59±0.79%, and 6.59±0.79%, respectively (p-values; 6 months: .024; 1 year: .021; 2 years: .038). In the not well-controlled sugar (non-WCS) group (preoperative HbA1c>6.5%), the difference between pre- and postoperative HbA1c was highly statistically significant (p<.01). The overweight group (preoperative BMI≥25) showed statistically significant BMI reduction in the second year after surgery (p=.034). The postoperative HbA1c changes are strongly correlated with the improvements of ODI, JOA, and JOABPEQ after surgery. CONCLUSIONS The present study demonstrates that in patients with DM-2 and LSS, successful lumbar surgery may facilitate glycemic control by enabling an increase in the patient's level of physical activity. Additionally, it could help reduce body weight in overweight (BMI>25) patients with DM-2 and LSS.
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Affiliation(s)
- Kyoung-Tae Kim
- Department of Neurosurgery, Kyungpook National University Hospital, 130, Dongdeok-ro, Jung-gu, Daegu 41944, Republic of Korea.
| | - Dae-Chul Cho
- Department of Neurosurgery, Kyungpook National University Hospital, 130, Dongdeok-ro, Jung-gu, Daegu 41944, Republic of Korea
| | - Joo-Kyung Sung
- Department of Neurosurgery, Kyungpook National University Hospital, 130, Dongdeok-ro, Jung-gu, Daegu 41944, Republic of Korea
| | - Chi Heon Kim
- Department of Neurosurgery, Seoul National University Hospital, 101, Daehak-ro, Jongno-gu, Seoul 03080, Republic of Korea
| | - Hyun Kang
- Deparment of Anesthesiology and Pain Medicine, Chung-Ang University Hospital, 102, Heukseok-ro, Dongjak-gu, Seoul 06973, Republic of Korea
| | - Du Hwan Kim
- Department of Rehabilitation Medicine, Dongsan Medical Center, School of Medicine, Keimyung University, 56, Dalseong-ro, Jung-gu, Daegu 41931, Republic of Korea
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Dunican KC, Desilets AR, DeBellis RJ. State of the Art Review: Long-term Pharmacotherapy for Overweight and Obesity: A Review of Sibutramine, Orlistat, and Rimonabant. Am J Lifestyle Med 2016. [DOI: 10.1177/1559827607303256.] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The objective of this review is to evaluate the safety and efficacy of pharmacotherapy for long-term maintenance of weight loss in overweight and obese patients. Literature was obtained through a MEDLINE (1966 to July 2006) search and a bibliographic review of published articles. Key terms used included overweight, obesity, sibutramine, orlistat, and rimonabant. The search was further limited to clinical trials in humans and in the English language. Obesity is a chronic condition requiring long-term therapy. Two agents, sibutramine and orlistat, are currently approved by the Food and Drug Administration for the long-term treatment of obesity. Rimonabant, marketed in Europe as Accomplia, has demonstrated efficacy for long term weight loss, however an Food and Drug Administration advisory panel voted against its approval in June 2007 due to safety concerns (psychiatric effects). For clinically meaningful results, these agents must be used in conjunction with lifestyle therapy, including a hypocaloric diet, increased physical activity, and behavioral modification. This article reviews clinical trials evaluating the safety and efficacy of sibutramine, orlistat, and rimonabant in reducing weight and examines other health benefits and risks associated with these agents.
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Affiliation(s)
- Kaelen C. Dunican
- Massachusetts College Massachusetts College of of Pharmacy and Health Sciences-Worcester/Manchester, Worchester, Massachusetts,
| | - Alicia R. Desilets
- Massachusetts College Massachusetts College of of Pharmacy and Health Sciences-Worcester/Manchester, Worchester, Massachusetts
| | - Ronald J. DeBellis
- Massachusetts College Massachusetts College of of Pharmacy and Health Sciences-Worcester/Manchester, Worchester, Massachusetts
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Steinsbekk A, Rygg LØ, Lisulo M, By Rise M, Fretheim A. WITHDRAWN: Group based diabetes self-management education compared to routine treatment, waiting list control or no intervention for people with type 2 diabetes mellitus. Cochrane Database Syst Rev 2015; 2015:CD003417. [PMID: 26125655 PMCID: PMC10658837 DOI: 10.1002/14651858.cd003417.pub3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The review authors of this review update are unable to continue with their work. The Cochrane Metabolic and Endocrine Disorders Review Group is seeking very experienced new authors to perform an update on this complex intervention review. At June 2015, this review has been withdrawn. This review is out of date although it is correct as the date of publication. The latest version is available in the 'Other versions' tab on the Cochrane Library, and may still be useful to readers. The editorial group responsible for this previously published document have withdrawn it from publication.
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Affiliation(s)
- Aslak Steinsbekk
- Norwegian University of Science and Technology, MTFSDepartment of Public Health and General PracticeTrondheimNorwayN‐7489
| | - Lisbeth Ø. Rygg
- Norwegian University of Science and Technology, MTFSDepartment of Public Health and General PracticeTrondheimNorwayN‐7489
| | - Monde Lisulo
- Norwegian University of Science and Technology, MTFSDepartment of Public Health and General PracticeTrondheimNorwayN‐7489
| | - Marit By Rise
- Norwegian University of Science and Technology, MTFSDepartment of Public Health and General PracticeTrondheimNorwayN‐7489
| | - Atle Fretheim
- Norwegian Knowledge Centre for the Health ServicesGlobal Health UnitOsloNorway
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Nauck M, Marre M. Adding Liraglutide to Oral Antidiabetic Drug Monotherapy: Efficacy and Weight Benefits. Postgrad Med 2015; 121:5-15. [DOI: 10.3810/pgm.2009.05.1997] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Campos JM, Lins DC, Silva LB, Araujo-Junior JGC, Zeve JLM, Ferraz ÁAB. Metabolic surgery, weight regain and diabetes re-emergence. ABCD-ARQUIVOS BRASILEIROS DE CIRURGIA DIGESTIVA 2014; 26 Suppl 1:57-62. [PMID: 24463901 DOI: 10.1590/s0102-67202013000600013] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2012] [Accepted: 01/22/2013] [Indexed: 01/15/2023]
Abstract
INTRODUCTION The poor success of clinical treatment of Type 2 Diabetes Mellitus (T2DM2) increased interest in metabolic surgery, which has been considered a promising alternative for the control of obese or non-obese diabetics. However, there is still no long-term follow-up to evaluate the duration of diabetes remission, and if weight regain would be associated to recurrence. AIM 1) To describe the results of diabetic patients with a BMI < 30 and < 35 kg/m² submitted to the following types of metabolic surgery: ileal interposition and sleeve gastrectomy, Roux-en-Y gastric bypass (RYGB), adjustable gastric banding, duodeno-jejunal exclusion and duodeno-jejunal bypass; 2) to evaluate the possible relapse of diabetes after occurrence of weight regain on long-term after bariatric surgery. METHOD An expositive and historical literature review about metabolic surgery in diabetic patients with BMI < 30 and < 35 kg/m² was conducted, and systematic review of the association between disease relapse and weight regain after bariatric surgery. RESULTS After analysis of 188 published papers on Medline until 2010, three papers were selected, which included 269 patients who underwent RYGB. Pre-operatory BMI was between 37 and 60 kg/m² and follow-up of three to 16 years. CONCLUSIONS 1) Two studies showed association between weight regain and recurrence of type 2 diabetes, while the third did not show this association when comparing groups with and without weight regain; 2) metabolic surgery has shown adequate control of T2DM2 in class I obese subjects; however, the non-obese group still need a long-term evaluation, considering the risk of diabetes recurrence when after weight regain.
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Clinical efficacy of a medically supervised outpatient high-protein, low-calorie diet program is equivalent in prediabetic, diabetic and normoglycemic obese patients. Nutr Diabetes 2014; 4:e105. [PMID: 24513578 PMCID: PMC3940825 DOI: 10.1038/nutd.2014.1] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2013] [Revised: 12/03/2013] [Accepted: 12/20/2013] [Indexed: 01/10/2023] Open
Abstract
Objective: Type 2 diabetes mellitus (T2DM) affects approximately 10% of Americans, while 79 million Americans are estimated to have glucose intolerance or prediabetes (pre-DM). The present study was designed to determine whether obese patients with pre-DM or T2DM would lose weight as effectively as obese normoglycemic patients, in a medically supervised high-protein, low-calorie-weight management program. Method: Patients enrolled in a self-paid, university-based, outpatient weight loss program using prescribed very-low-calorie diet (VLCD) (500–800 cal per day) or LCD diet (800–1200 cal per day), recommended exercise and group behavioral counseling were studied retrospectively. Patients entering the program for the first time and attending weekly clinic visits for more than 4 weeks were included in the analysis. Results: A total of 2093 obese patients, of whom 583 patients with pre-DM (fasting glucose ⩾100 and <126 mg dl−1), 367 patients with T2DM and 1143 normoglycemic patients entered the program from 1991 to 2010, who met all the inclusion criteria were included in the analysis. The body weight at baseline was 104.0±20.0 kg for DM, 101.4±18.4 for pre-DM and 99.0±18.8 kg for non-DM. Weight loss and percent of weight loss within 12 months were analyzed using a linear mixed-effects model. There was no significant difference in weight loss between DM vs non-DM (P=0.4597) and pre-DM vs non-DM (P=0.6006) in 12 months. The length of enrollment in the program was positively correlated to weight loss rates in all patients (P<0.001). Conclusion: This study demonstrates that obese, pre-DM and DM patients all lost weight as effectively with VLCD or LCD over 12 months. Given the impact of weight loss on the progression of comorbid conditions, these data support the hypothesis that medically supervised diets, including VLCD and LCD, should be more widely used in the prevention and treatment of obese patients with pre-DM or T2DM.
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Sun FH, O'Reilly J, Li L, Wong SHS. Effect of the glycemic index of pre-exercise snack bars on substrate utilization during subsequent exercise. Int J Food Sci Nutr 2013; 64:1001-6. [PMID: 23937441 DOI: 10.3109/09637486.2013.825701] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
PURPOSE To investigate the effect of the glycemic index (GI) of pre-exercise snack bars on substrate utilization during subsequent moderate intensity exercise. METHODS Fourteen male participants (Age: 27 ± 5 yr; BMI: 22.5 ± 2.7 kg m(-2); [Formula: see text]: 48.7 ± 6.1 mL kg(-1 )min(-1)) completed two trials in a randomized and counterbalanced crossover design. Two iso-caloric snack bars with different GI values (20, LGI versus 68, HGI) were provided to the participants. Ninety minutes later, all participants completed 45 minutes of ergometer cycling at 65% [Formula: see text]. Substrate utilization was measured using indirect calorimetry. RESULTS During exercise, higher fat oxidation and lower carbohydrate (CHO) oxidation were observed in the LGI trial (LGI versus HGI: CHO, 87.3 ± 20.1 versus 99.2 ± 19.0 g, p < 0.05; Fat, 15.0 ± 5.8 versus 9.7 ± 7.0 g, p < 0.05). CONCLUSION Compared with an iso-caloric HGI snack bar, pre-exercise LGI snack bar consumption may facilitate a shift of substrate utilization from CHO to fat during subsequent moderate intensity exercise.
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Affiliation(s)
- Feng-Hua Sun
- Department of Sports Science and Physical Education, The Chinese University of Hong Kong , Shatin , Hong Kong and
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Abstract
The majority of US adults are overweight or obese, which is a primary risk factor for type 2 diabetes and other chronic diseases. Recent advances in behavioral treatment of obesity have produced significant short- and long-term weight losses that reduce the risk of type 2 diabetes and cardiovascular disease. This article reviews key components of effective behavioral treatment interventions, including diet, exercise, and behavioral and psychosocial strategies. The authors review newer treatment modalities that may enhance dissemination (Internet, smartphone) and discuss applications to clinical practice. Practitioners face multiple barriers to effectively delivering lifestyle interventions in today’s health care setting but, nonetheless, remain powerful motivators in helping patients initiate and maintain weight loss efforts that reduce the risk of type 2 diabetes and other chronic diseases.
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Affiliation(s)
- Todd Alan Hagobian
- California Polytechnic State University, Kinesiology Department, San Luis Obispo, CA
| | - Suzanne Phelan
- California Polytechnic State University, Kinesiology Department, San Luis Obispo, CA
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Varaschim M, Nassif PAN, Moreira LB, Nascimento MMD, Vieira GMN, Garcia RF, Sue KM, Cruz MA. Alterações dos parâmetros clínicos e laboratoriais em pacientes obesos com diabetes melito tipo 2 submetidos à derivação gastrojejunal em y de Roux sem anel. Rev Col Bras Cir 2012. [DOI: 10.1590/s0100-69912012000300003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
OBJETIVOS: Verificar as alterações do peso e índice de massa corporal em pacientes obesos grau II e III com diabete melito tipo 2 nos períodos pré e pós-operatório e as alterações dos parâmetros laboratoriais de glicemia de jejum, glicemia pós-prandial, hemoglobina glicada, insulina nos períodos pré e pós-operatório. MÉTODOS: Realizou-se estudo prospectivo selecionando 40 pacientes com obesidade grau II e III, submetidos à derivação gastrojejunal em Y-de-Roux sem anel. Analisou-se no pré e pós-operatório de 60 dias o peso, índice de massa corporal, glicemia de jejum, glicemia pós-prandial, hemoglobina glicada e insulina. RESULTADOS: O peso médio pré-operatório foi de 107,3Kg diminuindo para 89,5Kg no pós-operatório. O índice de massa corporal médio inicial foi de 39,5Kg/m2 e 32,9Kg/m2 com 60 dias de pós-operatório. A glicemia de jejum no pré-operatório foi de 132 mg/dl e no pós-operatório diminuiu 40,4 mg/dl em média. A glicemia pós-prandial foi de 172 mg/dl no pré-operatório e 111,6 mg/dl no controle pós-operatório. A hemoglobina glicada inicial foi de 7% declinando para 5,7% no pós-operatório. A insulina pré-operatória foi 29,6 uIU/ml e a pós-operatória 13,9 uIU/ml. Todas as variáveis apresentaram significância estatística com p<0,001. CONCLUSÃO: Houve significante diminuição de peso e no índice de massa corporal entre os períodos pré e pós-operatórios e diminuição também significante dos parâmetros laboratoriais de glicemia de jejum, glicemia pós-prandial, hemoglobina glicada, insulina entre os mesmos períodos.
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Pells JJ, Stout AL, Rodriguez-Diaz MM, Quigley CA, Musante GJ. Brief Intensive Lifestyle Intervention Leads to Rapid Diabetes Improvements. Am J Lifestyle Med 2012. [DOI: 10.1177/1559827611405281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This prospective study examined the immediate health benefits associated with participation in a brief intensive behavioral weight and diabetes management program for individuals with type 2 diabetes. Participants were 55 adults with type 2 diabetes and obesity (mean BMI = 44.5) who completed a 4-week residential treatment program. Pretreatment and posttreatment weight, fasting glucose, lipids, hemoglobin A1c (HbA1c), and diabetes medications were evaluated. Treatment effects were also examined by pretreatment HbA1c levels (HbA1c ≤ 7% vs. HbA1c > 7%). Significant reductions in average weight (283 to 267 lb), fasting glucose (143.2 mg/dL to 118.3 mg/dL), lipids, and HbA1c (7.5% to 6.9%) were observed after 4 weeks of treatment. Results were clinically meaningful, evidenced by mean body weight reductions, and HbA1c reductions, and mean posttreatment glucose and lipid levels being in the normal range. Nearly two thirds of participants significantly reduced or eliminated at least 1 diabetes medication. Participants having higher pretreatment HbA1c achieved greater reductions in glucose, HbA1c, and lipids. The 4-week behavioral weight and diabetes management program yielded significant weight and health improvements. This is one of the first studies to report rapid and significant HbA1c changes as a result of following moderate nutrition and physical activity guidelines while receiving diabetes management and weight loss psychoeducation.
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Affiliation(s)
- Jennifer J. Pells
- Structure House, LLC (JJP, ALS, MMR-D, CAQ, GJM), Durham, North Carolina
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center (ALS, GJM), Durham, North Carolina
- Department of Psychology and Neuroscience, Duke University, Durham, North Carolina (ALS, GJM)
| | - Anna L. Stout
- Structure House, LLC (JJP, ALS, MMR-D, CAQ, GJM), Durham, North Carolina
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center (ALS, GJM), Durham, North Carolina
- Department of Psychology and Neuroscience, Duke University, Durham, North Carolina (ALS, GJM)
| | - Michelle M. Rodriguez-Diaz
- Structure House, LLC (JJP, ALS, MMR-D, CAQ, GJM), Durham, North Carolina
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center (ALS, GJM), Durham, North Carolina
- Department of Psychology and Neuroscience, Duke University, Durham, North Carolina (ALS, GJM)
| | - Chandra A. Quigley
- Structure House, LLC (JJP, ALS, MMR-D, CAQ, GJM), Durham, North Carolina
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center (ALS, GJM), Durham, North Carolina
- Department of Psychology and Neuroscience, Duke University, Durham, North Carolina (ALS, GJM)
| | - Gerard J. Musante
- Structure House, LLC (JJP, ALS, MMR-D, CAQ, GJM), Durham, North Carolina
- Department of Psychiatry and Behavioral Sciences, Duke University Medical Center (ALS, GJM), Durham, North Carolina
- Department of Psychology and Neuroscience, Duke University, Durham, North Carolina (ALS, GJM)
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Weickert MO. Nutritional modulation of insulin resistance. SCIENTIFICA 2012; 2012:424780. [PMID: 24278690 PMCID: PMC3820526 DOI: 10.6064/2012/424780] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2012] [Accepted: 09/02/2012] [Indexed: 05/15/2023]
Abstract
Insulin resistance has been proposed as the strongest single predictor for the development of Type 2 Diabetes (T2DM). Chronic oversupply of energy from food, together with inadequate physical activity, have been recognized as the most relevant factors leading to overweight, abdominal adiposity, insulin resistance, and finally T2DM. Conversely, energy reduced diets almost invariably to facilitate weight loss and reduce abdominal fat mass and insulin resistance. However, sustained weight loss is generally difficult to achieve, and distinct metabolic characteristics in patients with T2DM further compromise success. Therefore, investigating the effects of modulating the macronutrient composition of isoenergetic diets is an interesting concept that may lead to additional important insights. Metabolic effects of various different dietary concepts and strategies have been claimed, but results from randomized controlled studies and particularly from longer-term-controlled interventions in humans are often lacking. However, some of these concepts are supported by recent research, at least in animal models and short-term studies in humans. This paper provides an update of the current literature regarding the role of nutrition in the modulation of insulin resistance, which includes the discussion of weight-loss-independent metabolic effects of commonly used dietary concepts.
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Affiliation(s)
- Martin O. Weickert
- Warwickshire Institute for the Study of Diabetes, Endocrinology and Metabolism, University Hospitals Coventry and Warwickshire NHS Trust, Coventry CV2 2DX, UK
- Division of Metabolic and Vascular Health, Warwick Medical School, The University of Warwick, Coventry CV4 7AL, UK
- *Martin O. Weickert:
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Stanford J, Kaiser M, Ablah E, Dong F, Paull-Forney B, Early J. The effect of weight loss on fasting blood sugars and hemoglobin A1c in overweight and obese diabetics and non-diabetics. ACTA ACUST UNITED AC 2012. [DOI: 10.4236/jdm.2012.21021] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Salti H, Cavallerano JD, Salti N, Jawhari DJ, Haddad S, Sun JK, Salti I, Aiello LP. Nonmydriatic Retinal Image Review at Time of Endocrinology Visit Results in Short-Term HbA1c Reduction in Poorly Controlled Patients with Diabetic Retinopathy. Telemed J E Health 2011; 17:415-9. [DOI: 10.1089/tmj.2010.0180] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Haytham Salti
- Department of Ophthalmology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Jerry D. Cavallerano
- Beetham Eye Institute, Joslin Diabetes Center, Boston, Massachusetts
- Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts
| | - Nisreen Salti
- Department of Economics, Faculty of Arts and Sciences, American University of Beirut, Beirut, Lebanon
| | - Dalida Jaafar Jawhari
- Department of Ophthalmology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Sandra Haddad
- Department of Ophthalmology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Jennifer K. Sun
- Beetham Eye Institute, Joslin Diabetes Center, Boston, Massachusetts
- Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts
| | - Ibrahim Salti
- Division of Endocrinology and Metabolism, Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon
| | - Lloyd Paul Aiello
- Beetham Eye Institute, Joslin Diabetes Center, Boston, Massachusetts
- Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts
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Franz MJ, Powers MA, Leontos C, Holzmeister LA, Kulkarni K, Monk A, Wedel N, Gradwell E. The evidence for medical nutrition therapy for type 1 and type 2 diabetes in adults. ACTA ACUST UNITED AC 2011; 110:1852-89. [PMID: 21111095 DOI: 10.1016/j.jada.2010.09.014] [Citation(s) in RCA: 173] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2009] [Accepted: 05/06/2010] [Indexed: 12/12/2022]
Abstract
This article reviews the evidence and nutrition practice recommendations from the American Dietetic Association's nutrition practice guidelines for type 1 and type 2 diabetes in adults. The research literature was reviewed to answer nutrition practice questions and resulted in 29 recommendations. Here, we present the recommendations and provide a comprehensive and systematic review of the evidence associated with their development. Major nutrition therapy factors reviewed are carbohydrate (intake, sucrose, non-nutritive sweeteners, glycemic index, and fiber), protein intake, cardiovascular disease, and weight management. Contributing factors to nutrition therapy reviewed are physical activity and glucose monitoring. Based on individualized nutrition therapy client/patient goals and lifestyle changes the client/patient is willing and able to make, registered dietitians can select appropriate interventions based on key recommendations that include consistency in day-to-day carbohydrate intake, adjusting insulin doses to match carbohydrate intake, substitution of sucrose-containing foods, usual protein intake, cardioprotective nutrition interventions, weight management strategies, regular physical activity, and use of self-monitored blood glucose data. The evidence is strong that medical nutrition therapy provided by registered dietitians is an effective and essential therapy in the management of diabetes.
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Affiliation(s)
- Marion J Franz
- Nutrition Concepts by Franz, Inc, Minneapolis, MN 55439, USA.
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18
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Heal DJ, Gosden J, Smith SL. Regulatory challenges for new drugs to treat obesity and comorbid metabolic disorders. Br J Clin Pharmacol 2010; 68:861-74. [PMID: 20002080 DOI: 10.1111/j.1365-2125.2009.03549.x] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
Obesity is a major cause of morbidity and mortality through cardio- and cerebrovascular diseases and cancer. The metabolic consequences of obesity include dyslipidaemia, hypertension, proinflammatory atherogenesis, pre-diabetes and Type 2 diabetes. For a significant proportion of patients, pharmacotherapy to tackle obesity is required as adjunctive support to diet, exercise and lifestyle modification. To this end, the pharmaceutical industry is pursuing many novel drug targets. Although this view is probably not justified, the recent tribulations of rimonabant have created a perception that the regulatory bar for the approval of antiobesity drugs has been raised. Although >5% of placebo-subtracted weight loss maintained over 1 year is the primary efficacy end-point, it is improvements in cardiovascular risk factors that the Food and Drug Administration (FDA) and European Medicines Agency (EMEA) require to grant approval. Safety aspects are also critical in this indication. Many companies are now switching development of their antiobesity drug candidates into other metabolic disorders. Type 2 diabetes is accepted by the industry and FDA, but not EMEA, as the most appropriate alternative. On the other hand, improvements in plasma lipids produced by antiobesity drugs are moderate compared with established therapies, suggesting dyslipidaemia is not a viable development option. Metabolic Syndrome is not accepted by FDA or EMEA as a discrete disease and the agencies will not licence antiobesity drugs for its treatment. The regulatory environment for antiobesity drugs and the spectrum of indications for which they can be approved could change dramatically if positive data for sibutramine emerge from the SCOUT outcome trial.
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Affiliation(s)
- David J Heal
- RenaSci Consultancy Ltd, BioCity, Nottingham, UK.
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Kluding PM, Singh R, Goetz J, Rucker J, Bracciano S, Curry N. Feasibility and effectiveness of a pilot health promotion program for adults with type 2 diabetes: lessons learned. DIABETES EDUCATOR 2010; 36:595-602. [PMID: 20530663 DOI: 10.1177/0145721710370718] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
PURPOSE The purpose of this pilot study was to assess the feasibility and effectiveness of an intense health promotion program in older adults with diabetes. The program combined individually prescribed and supervised exercise with nutrition and education programs on glycemic control and aerobic fitness. METHODS Various recruitment and retention strategies were analyzed for effectiveness. Out of 28 potential subjects assessed for eligibility, 6 subjects with type 2 diabetes (2 male and 4 female; all white; age, 60.2 +/- 4.7 years) participated in the 10-week intervention. Aerobic and resistance exercise was performed on alternate days (3-4 days per week), with individualized nutrition counseling and diabetes health education sessions once weekly. The primary outcome measures were aerobic fitness and glycemic control (A1C), and secondary outcome measures included body mass index (BMI), self-efficacy, and symptoms of neuropathy. Changes in outcomes were assessed using descriptive statistics and paired t test analysis (alpha = .05). RESULTS Following the intervention, subjects had improvements that approached significance in A1C and pain, with significant improvements in self-efficacy. CONCLUSIONS A systematic approach to analysis of feasibility revealed issues with recruitment and retention that would need to be addressed for future studies or clinical implementation of this program. However, for the subset of subjects who did complete the intervention, adherence was excellent, and satisfaction with the program was confirmed by exit interview comments. Following participation in this pilot health promotion program, subjects had meaningful improvements in glycemic control, pain, and self-efficacy.
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Affiliation(s)
- Patricia M Kluding
- The Department of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Kansas City, Kansas (Dr Kluding, Ms Singh, Mr Rucker, Dr Bracciano, Dr Curry)
| | - Rupali Singh
- The Department of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Kansas City, Kansas (Dr Kluding, Ms Singh, Mr Rucker, Dr Bracciano, Dr Curry)
| | - Jeanine Goetz
- The General Clinical Research Center and Department of Dietetics and Nutrition, University of Kansas Medical Center, Kansas City, Kansas (Dr Goetz)
| | - Jason Rucker
- The Department of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Kansas City, Kansas (Dr Kluding, Ms Singh, Mr Rucker, Dr Bracciano, Dr Curry)
| | - Sarah Bracciano
- The Department of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Kansas City, Kansas (Dr Kluding, Ms Singh, Mr Rucker, Dr Bracciano, Dr Curry)
| | - Natasha Curry
- The Department of Physical Therapy and Rehabilitation Science, University of Kansas Medical Center, Kansas City, Kansas (Dr Kluding, Ms Singh, Mr Rucker, Dr Bracciano, Dr Curry)
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Long-Term Follow-up of the Metabolic Profiles in Obese Patients With Type 2 Diabetes Mellitus After Roux-en-Y Gastric Bypass. Ann Surg 2010; 251:1049-55. [PMID: 20485144 DOI: 10.1097/sla.0b013e3181d9769b] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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21
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Sanderson LL. Lifestyle Change Interventions for Children and Adolescents With Diabetes or Kidney Disease. J Prim Care Community Health 2010; 1:22-4. [DOI: 10.1177/2150131909358185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The purpose of this research letter is to report on the availability of evidence-based interventions for promoting lifestyle change in children and adolescents with diabetes or kidney disease. References for this review were obtained using several electronic databases, including Ebsco Host, PsychInfo, Medline, and CINAHL. Search topics included transplant adherence, diabetes adherence, kidney adherence, obesity and transplant, kidney disease, transplant noncompliance, renal failure, renal disease, chronic kidney failure, end-stage renal disease, obesity and diabetes, overweight and kidney disease, overweight and diabetes, overweight, treatment interventions and overweight, treatment interventions for obesity, children and obesity, growth chart, diabetes intervention, kidney disease intervention, obesity intervention, obesity and transplantation, obesity transplant intervention, motivational interviewing, physical activity level, physical activity, exercise intervention, body mass index measurement, body fat percentage, psychosocial issues of kidney disease, psychosocial issues of transplant, and coping with kidney disease. Search results included English language only and between the years 2000 and 2009. Very few lifestyle interventions have been shown to be effective for obese children or adolescents with diabetes and none for obese children and adolescents with kidney diseases. More research is needed to develop effective interventions for this vulnerable population.
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Ohwaki K, Yano E. Body mass index as an indicator of metabolic disorders in annual health checkups among Japanese male workers. INDUSTRIAL HEALTH 2009; 47:611-616. [PMID: 19996536 DOI: 10.2486/indhealth.47.611] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The aim of this study was to assess whether body mass index (BMI) was associated with abnormal results of other tests related to metabolic disorders in the periodic health checkup, and determine whether changes in BMI were associated with changes in these other tests. We surveyed 2,392 Japanese male workers, aged 19-59 who have received regular health checkups in 2003 and 2004. During the mandatory workplace health checkup, the following are tested: BMI, systolic and diastolic blood pressure, and the levels of total cholesterol, triglyceride, high density lipoprotein cholesterol, hemoglobin A(1C), aspartate aminotransferase, alanine aminotransferase, and gammaglutamyl transpeptidase. These parameters were measured in 2003 and 2004. The receiver operating characteristic (ROC) curve was used to determine the efficacy of BMI in screening for abnormal results in 2003. The areas under the ROC curves for hypertension, dyslipidemia, diabetes, and liver dysfunction were 0.68-0.89, 0.65-0.67, and 0.51-0.67 for 19-39, 40-49, and 50-59 yr olds, respectively. Multiple regression analysis revealed that changes in BMI were significantly associated with changes in the respective items in one year. The BMI predicts metabolic disorders to a certain extent, especially in younger workers, and BMI monitoring may be a useful indicator of change in other annual health checkup items.
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Affiliation(s)
- Kazuhiro Ohwaki
- Department of Hygiene and Public Health, Teikyo University School of Medicine, Tokyo 173-8605, Japan.
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Choussein S, Makri AA, Frangos CC, Petridou ET, Daskalopoulou SS. Effect of antiobesity medications in patients with type 2 diabetes mellitus. Diabetes Obes Metab 2009; 11:641-64. [PMID: 19236442 DOI: 10.1111/j.1463-1326.2008.01026.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Obesity is considered as a major health problem, as its prevalence continuously rises worldwide. One of the common health consequences of obesity is type 2 diabetes mellitus. Therefore, antiobesity management is a prerequisite in treating diabetic patients. Lifestyle modifications combined with pharmacological agents appear to be an effective approach. Sibutramine is a serotonin-noradrenaline reuptake inhibitor, which acts centrally by promoting the feeling of satiety and decreasing caloric intake, thus resulting in weight loss. A potential association with cardiovascular side effects has been noted. Orlistat, a gastric and pancreatic lipase inhibitor, also achieves significant weight loss and improves glycaemic status, but it has gastrointestinal side effects. Rimonabant, the first endocannabinoid CB1 antagonist, is associated with weight reduction and it improves diabetic parameters; nevertheless, it is associated with psychiatric disorders; indeed, a recently conducted safety review led to the temporal suspension of its commercialization. The above-mentioned medications seem to be currently useful agents for treating obesity in patients with type 2 diabetes mellitus. Other medications used for diabetes management, such as exenatide, liraglutide and pramlintide, have also shown body weight reduction. Ongoing research is needed to scrutinize the precise impact of these agents in the daily clinical practice of management of obesity in patients with type 2 diabetes mellitus.
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Affiliation(s)
- Souzana Choussein
- Department of Hygiene, Epidemiology and Medical Statistics, Medical School, National and Kapodistrian University of Athens, Athens 11527, Greece
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Tziomalos K, Krassas GE, Tzotzas T. The use of sibutramine in the management of obesity and related disorders: an update. Vasc Health Risk Manag 2009; 5:441-52. [PMID: 19475780 PMCID: PMC2686261 DOI: 10.2147/vhrm.s4027] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Aims: To review the major trials that evaluated the efficacy and safety of the use of sibutramine for weight loss and the impact of this agent on obesity-related disorders. Methods and results: The most important articles on sibutramine up to January 2009 were located by a PubMed and Medline search. Sibutramine reduces food intake and body weight more than placebo and has positive effects on the lipid profile (mainly triglycerides and high density lipoprotein cholesterol), glycemic control and inflammatory markers in studies for up to one year. Preliminary studies showed that sibutramine may also improve other obesity-associated disorders such as polycystic ovary syndrome, left ventricular hypertrophy, binge eating disorder and adolescent obesity. The high discontinuation rates and some safety issues mainly due to the increase in blood pressure and pulse rate have to be considered. Additionally, it has not yet been established that treatment with sibutramine will reduce cardiovascular events and total mortality. Conclusions: Sibutramine, in conjunction with lifestyle measures, is a useful drug for reducing body weight and improving associated cardiometabolic risk factors and obesity-related disorders. Studies of longer duration are required to determine the precise indications of the drug, to evaluate safety issues and to assess its efficacy on cardiovascular mortality.
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Affiliation(s)
- Konstantinos Tziomalos
- Department of endocrinology, Diabetes and Metabolism, Panagia General Hospital, Thessaloniki, Greece
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25
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Zhao G, Ford ES, Li C, Mokdad AH. Weight control behaviors in overweight/obese U.S. adults with diagnosed hypertension and diabetes. Cardiovasc Diabetol 2009; 8:13. [PMID: 19267925 PMCID: PMC2657116 DOI: 10.1186/1475-2840-8-13] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2008] [Accepted: 03/06/2009] [Indexed: 01/10/2023] Open
Abstract
Background Obesity is a major risk factor for development and progression of hypertension and diabetes, which often coexist in obese patients. Losing weight by means of energy restriction and physical activity has been effective in preventing and managing these diseases. However, weight control behaviors among overweight/obese adults with these conditions are poorly understood. Methods Using self-reported data from 143,386 overweight/obese participants (aged ≥ 18 years) in the 2003 Behavioral Risk Factor Surveillance System, we examined the proportion of overweight/obese adults who tried to lose weight and their weight control strategies by hypertension and/or diabetes status. Results Among all participants, 58% of those with hypertension, 60% of those with diabetes, and 72% of those with both diseases tried to lose weight, significantly higher than the 50% of those with neither condition (Bonferroni corrected P < 0.017 for all comparisons). The multivariate-adjusted odds ratio (AOR) for trying to lose weight was 1.11 (95% confidence interval [CI]: 1.05–1.17) in participants with hypertension, 1.02 (95% CI: 0.90–1.15) in participants with diabetes, and 1.18 (95% CI: 1.07–1.29) in participants with both diseases (participants with neither condition as the referent). Among 78,446 participants who tried to lose weight, 23% of those with hypertension only and 28% of those with both hypertension and diabetes reported adopting a low fat/low calorie (LF/LC) diet in controlling their weight, significantly higher than 19% of those with neither disease (Bonferroni corrected P < 0.017 for all comparisons). Participants with both diseases had a significantly lower percentage of adopting physical activity in controlling their weight than those with neither condition (6% versus 12%, P < 0.01). After multivariate adjustment, the AOR for adopting a LF/LC diet plus physical activity to lose weight was 1.46 (95% CI: 1.15–1.84) in participants with both diseases. The AOR for adopting a LF/LC diet only to lose weight was 1.72 (95% CI: 1.35–2.20) in participants with both diseases and was 1.21 (95% CI: 1.03–1.40) in participants with hypertension only. Conclusion The proportion of overweight/obese patients with diagnosed hypertension and/or diabetes who attempted to lose weight remains suboptimal and the weight control strategies varied significantly among these patients.
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Affiliation(s)
- Guixiang Zhao
- Division of Adult and Community Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia, USA.
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Affiliation(s)
- Zachary T. Bloomgarden
- Zachary T. Bloomgarden, MD, is a practicing endocrinologist in New York, New York, and is affiliated with the Division of Endocrinology, Mount Sinai School of Medicine, New York, New York
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Lloret-Linares C, Greenfield JR, Czernichow S. Effect of weight-reducing agents on glycaemic parameters and progression to Type 2 diabetes: a review. Diabet Med 2008; 25:1142-50. [PMID: 19046191 DOI: 10.1111/j.1464-5491.2008.02550.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Weight loss is associated with improvements in glycaemic control and cardiovascular disease risk factors. However, in the diabetic population, weight management is more challenging, in part because of the weight-promoting effects of the majority of glucose-lowering therapies. This review summarizes evidence from 23 placebo-controlled randomized trials, of at least 1 year duration, on the effects of drugs promoting weight loss (orlistat, sibutramine and rimonabant) on glycaemic variables, diabetes incidence and diabetes control. Fifteen studies of non-diabetic subjects were found, eight of which included a longer treatment period. Eight studies in diabetic patients were reviewed. In non-diabetic subjects, weight loss agents led to a significant improvement in fasting glucose, fasting insulin and insulin resistance. In the diabetic population, glycated haemoglobin decreased by 0.28-1.1% with orlistat and 0.6% with sibutramine and rimonabant. Orlistat reduces progression to diabetes in patients with glucose intolerance treated for 4 years (risk reduction of 45%). In summary, despite leading to only modest weight loss after 12 months, agents promoting weight loss have beneficial effects on glycaemic parameters, glycaemic control and progression to diabetes. These additional benefits of weight loss agents need to be highlighted in order to increase their judicious use in clinical practice, although this may be limited by their well-known adverse side effects. The longer-term safety of these agents beyond a few years is yet to be established.
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Affiliation(s)
- C Lloret-Linares
- Nutrition Department, Pitíe-Salpetriàre Hospital (AP-HP), Paris, France
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28
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Mayhew MS. Diabetes Management and Exenatide. J Nurse Pract 2008. [DOI: 10.1016/j.nurpra.2008.08.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Lindholm Å, Bixo M, Björn I, Wölner-Hanssen P, Eliasson M, Larsson A, Johnson O, Poromaa IS. Effect of sibutramine on weight reduction in women with polycystic ovary syndrome: a randomized, double-blind, placebo-controlled trial. Fertil Steril 2008; 89:1221-1228. [PMID: 17603048 DOI: 10.1016/j.fertnstert.2007.05.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2007] [Revised: 03/28/2007] [Accepted: 05/01/2007] [Indexed: 10/23/2022]
Abstract
OBJECTIVE To examine the efficacy of sibutramine together with brief lifestyle modification for weight reduction in obese women with polycystic ovary syndrome (PCOS). DESIGN Investigator-initiated, multicenter, double-blind, randomized, parallel-group clinical trial. SETTING Departments of Obstetrics and Gynecology in primary care, referral centers, and private practice. PATIENT(S) Forty-two patients with confirmed PCOS were included in the study, and 34 patients completed the study. INTERVENTION Sibutramine 15 mg once daily together with brief lifestyle modification was compare with placebo together with brief lifestyle modification. MAIN OUTCOME MEASURE(S) The primary endpoint was to assess weight loss. Secondary endpoints included the efficacy of sibutramine for treatment of menstrual pattern and cardiovascular risk factors. RESULT(S) After 6 months the sibutramine group had lost 7.8 +/- 5.1 kg compared with a weight loss of 2.8 +/- 6.2 kg in the placebo group. Sibutramine treatment resulted in significant decreases in apolipoprotein B, apolipoprotein B/apolipoprotein A ratio, triglycerides, and cystatin C levels. CONCLUSION(S) Sibutramine in combination with lifestyle intervention results in significant weight reduction in obese patients with PCOS. In addition to the weight loss, sibutramine seems to have beneficial effects on metabolic and cardiovascular risk factors.
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Affiliation(s)
- Åsa Lindholm
- Department of Obstetrics and Gynecology, Sunderby Hospital, Luleå, Sweden.
| | - Marie Bixo
- Department of Clinical Science, Obstetrics and Gynecology, University Hospital, Umeå, Sweden
| | - Inger Björn
- Department of Clinical Science, Obstetrics and Gynecology, University Hospital, Umeå, Sweden; Läkarhuset Björnen, Piteå, Sweden
| | - Pål Wölner-Hanssen
- Department of Obstetrics and Gynecology, Lund University Hospital, Lund, Sweden
| | - Mats Eliasson
- Department of Internal Medicine, Sunderby Hospital, Luleå, Sweden
| | - Anders Larsson
- Department of Clinical Chemistry, University Hospital, Uppsala, Sweden
| | - Owe Johnson
- Department of Internal Medicine, University Hospital, Umeå, Sweden
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Arroyo Bros J, Caixàs Pedragós A, Pi-Sunyer FX. [Treatment of type 2 diabetes: revision of current therapeutical options and priorities]. Med Clin (Barc) 2007; 129:746-57. [PMID: 18053488 DOI: 10.1157/13113289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The paradigm of type 2 diabetes mellitus treatment is based in an adequate meal plan and the regular practice of physical exercise. The benefits of these measures are of evident as it is the perseverance in their compliance. In the daily practice, this reality favours the early implementation of a pharmacological therapy that, in the opinion of different experts, would be simultaneous to the introduction of life style changes. In the last years, new drugs have been developed. On the one hand, there are agents with beneficial effects not only on blood glucose control but also on the components of metabolic syndrome. Other drugs, according to different experts, have doubtful therapeutical contribution. The appearance of new drugs to treat obesity, associated with diabetes or not, extends other possibilities of choice to take into account. The great variety of options makes the decision of the adequate therapy more difficult. In the last decade, many therapeutic guidelines have been developed, with convergences and divergences that may mislead the inexpert practitioners. In this review we propose some practical advise in diet and exercise, and an evaluation of the different drugs and rules of intervention proposed in the different therapeutic guidelines. The ultimate goal is to facilitate and direct type 2 diabetes management.
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Affiliation(s)
- Jaume Arroyo Bros
- Unidad de Diabetes, Endocrinología y Nutrición, Hospital de Sabadell, Sabadell, Barcelona, Spain
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Dunican KC, Desilets AR, DeBellis RJ. State of the Art Review: Long-term Pharmacotherapy for Overweight and Obesity: A Review of Sibutramine, Orlistat, and Rimonabant. Am J Lifestyle Med 2007. [DOI: 10.1177/1559827607303256] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The objective of this review is to evaluate the safety and efficacy of pharmacotherapy for long-term maintenance of weight loss in overweight and obese patients. Literature was obtained through a MEDLINE (1966 to July 2006) search and a bibliographic review of published articles. Key terms used included overweight, obesity, sibutramine, orlistat, and rimonabant. The search was further limited to clinical trials in humans and in the English language. Obesity is a chronic condition requiring long-term therapy. Two agents, sibutramine and orlistat, are currently approved by the Food and Drug Administration for the long-term treatment of obesity. Rimonabant, marketed in Europe as Accomplia, has demonstrated efficacy for long term weight loss, however an Food and Drug Administration advisory panel voted against its approval in June 2007 due to safety concerns (psychiatric effects). For clinically meaningful results, these agents must be used in conjunction with lifestyle therapy, including a hypocaloric diet, increased physical activity, and behavioral modification. This article reviews clinical trials evaluating the safety and efficacy of sibutramine, orlistat, and rimonabant in reducing weight and examines other health benefits and risks associated with these agents.
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Affiliation(s)
- Kaelen C. Dunican
- Massachusetts College Massachusetts College of of Pharmacy and Health Sciences-Worcester/Manchester, Worchester, Massachusetts,
| | - Alicia R. Desilets
- Massachusetts College Massachusetts College of of Pharmacy and Health Sciences-Worcester/Manchester, Worchester, Massachusetts
| | - Ronald J. DeBellis
- Massachusetts College Massachusetts College of of Pharmacy and Health Sciences-Worcester/Manchester, Worchester, Massachusetts
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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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Miller CK, Gabbay RA, Dillon J, Apgar J, Miller D. The Effect of Three Snack Bars on Glycemic Response in Healthy Adults. ACTA ACUST UNITED AC 2006; 106:745-8. [PMID: 16647336 DOI: 10.1016/j.jada.2006.02.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2005] [Indexed: 11/17/2022]
Abstract
Many consumers prefer convenient, portable, and preportioned snack foods. Foods with a lower glycemic response are associated with reduced risk for chronic disease. The glycemic index and glycemic load of three nationally available snack bars were determined. Ten subjects, with mean age (+/-standard deviation) of 29+/-7 years and mean body mass index (+/-standard deviation) of 25.3+/-3.2, were tested on four occasions on nonconsecutive days. After an overnight fast, subjects consumed 50 g of available carbohydrate as a glucose beverage or as a portion of one of three bars: SmartZone nutrition bar (The Hershey Co, Hershey, PA), ZonePerfect nutrition bar (Abbott Laboratories, Abbott Park, IL), or SlimFast meal bar (SlimFast Foods Co, West Palm Beach, FL). Blood glucose was tested at 0, 15, 30, 45, 60, 90, and 120 minutes after consumption. Incremental area under the glucose response curve was calculated for each test bar and compared with that of the glucose beverage to determine glycemic index. The glycemic index (+/-standard error of the mean) for SmartZone was 10.9+/-3.9 and was significantly less (P<0.05) than that of ZonePerfect (43.7+/-7.3) or SlimFast (63.8+/-13.0). The glycemic loads (+/-standard error of the mean) for the SmartZone (2.0+/-0.7) and ZonePerfect (8.3+/-1.4) bars were significantly less (P<0.05) than the glycemic load of the SlimFast bar (21.1+/-4.3). Although the long-term impact of snack foods with a lower glycemic load requires further research, the SmartZone and ZonePerfect bars provide a lower glycemic response for consumers.
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Affiliation(s)
- Carla K Miller
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA 16802, USA.
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Kennedy RL, Khoo EYH. New options for drug treatment of obesity in patients with Type 2 diabetes. Diabet Med 2005; 22 Suppl 4:23-6. [PMID: 16109016 DOI: 10.1111/j.1464-5491.2005.1761h.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- R L Kennedy
- Department of Medicine, James Cook University, Queensland, Australia
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Abstract
BACKGROUND Worldwide prevalence rates of obesity and overweight are rising and safe and effective treatment strategies are urgently needed. A number of anti-obesity agents have been studied in short-term clinical trials, but long-term efficacy and safety need to be established. OBJECTIVES To assess/compare the effects and safety of approved anti-obesity medications in clinical trials of at least one-year duration. SEARCH STRATEGY MEDLINE, EMBASE, the Cochrane Controlled Trials Register, the Current Science Meta-register of Controlled Trials, and reference lists of original studies and reviews were searched. Date of last search was December 2002. Drug manufacturers and two obesity experts were contacted in to detect unpublished trials. No language restrictions were imposed. SELECTION CRITERIA Double-blind, randomised controlled weight loss and weight maintenance trials of approved anti-obesity agents that 1) enrolled adult overweight or obese patients, 2) included a placebo control group or compared two or more anti-obesity drugs 3) used an intention-to-treat analysis, and 4) had a minimum follow-up period of one year. Abstracts and pseudo-randomised trials were not included. DATA COLLECTION AND ANALYSIS Two reviewers independently assessed all potentially relevant citations for inclusion and methodological quality. The primary outcome measure was weight loss. MAIN RESULTS Of the eight anti-obesity agents investigated, only orlistat and sibutramine trials met inclusion criteria. Eleven orlistat weight loss studies (four of which reported a second year weight maintenance phase) and five sibutramine studies (three weight loss and two weight maintenance trials) were included. Attrition rates averaged 33% during the weight loss phase of orlistat trials and 43% in sibutramine studies. All patients received lifestyle modification as a co-intervention. Compared to placebo, orlistat-treated patients lost 2.7 kg (95% CI: 2.3 kg to 3.1 kg) or 2.9% (95% CI: 2.3 % to 3.4%) more weight and patients on sibutramine experienced 4.3 kg (95% CI: 3.6 kg to 4.9 kg) or 4.6% (95% CI: 3.8% to 5.4%) greater weight loss. The number of patients achieving ten percent or greater weight loss was 12% (95% CI: 8% to 16%) higher with orlistat and 15% (95% CI: 4% to 27%) higher with sibutramine therapy. Weight loss maintenance results were similar. Orlistat caused gastrointestinal side effects and sibutramine was associated with small increases in blood pressure and pulse rate. REVIEWERS' CONCLUSIONS Studies evaluating the long-term efficacy of anti-obesity agents are limited to orlistat and sibutramine. Both drugs appear modestly effective in promoting weight loss; however, interpretation is limited by high attrition rates. Longer and more methodologically rigorous studies of anti-obesity drugs that are powered to examine endpoints such as mortality and cardiovascular morbidity are required to fully evaluate any potential benefit of such agents.
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Affiliation(s)
- Raj S Padwal
- University of Alberta Hospital2E3.22 WMHSCEdmonton, ABCanadaT6G 2B7
| | - Diana Rucker
- University of AlbertaInternal Medicine 8440‐112 StEdmonton, ABAlbertaCanadaT6G 2B7
| | - Stephanie K Li
- University of Alberta Internal Medicine (PGY4)10820‐85 AveEdmonton, ABCanadaT6E 2L1
| | - Cintia Curioni
- Universidade do Estado do Rio de JaneiroInstituto de Medicina SocialRua São Francisco Xavier, 524 / 7º andar / bloco D ‐ MaracanãRio de JaneiroBrazil20559‐900
| | - David CW Lau
- University of CalgaryDepartment of Medicine2501‐3330 Hospital Drive NWCalgaryAlbertaCanadaT2N 4N1
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