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Anazco D, Acosta A, Cathcart-Rake EJ, D'Andre SD, Hurtado MD. Weight-centric prevention of cancer. OBESITY PILLARS 2024; 10:100106. [PMID: 38495815 PMCID: PMC10943063 DOI: 10.1016/j.obpill.2024.100106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 02/29/2024] [Accepted: 02/29/2024] [Indexed: 03/19/2024]
Abstract
Background The link between excess adiposity and carcinogenesis has been well established for multiple malignancies, and cancer is one of the main contributors to obesity-related mortality. The potential role of different weight-loss interventions on cancer risk modification has been assessed, however, its clinical implications remain to be determined. In this clinical review, we present the data assessing the effect of weight loss interventions on cancer risk. Methods In this clinical review, we conducted a comprehensive search of relevant literature using MEDLINE, Embase, Web of Science, and Google Scholar databases for relevant studies from inception to January 20, 2024. In this clinical review, we present systematic reviews and meta-analysis, randomized clinical trials, and prospective and retrospective observational studies that address the effect of different treatment modalities for obesity in cancer risk. In addition, we incorporate the opinions from experts in the field of obesity medicine and oncology regarding the potential of weight loss as a preventative intervention for cancer. Results Intentional weight loss achieved through different modalities has been associated with a reduced cancer incidence. To date, the effect of weight loss on the postmenopausal women population has been more widely studied, with multiple reports indicating a protective effect of weight loss on hormone-dependent malignancies. The effect of bariatric interventions as a protective intervention for cancer has been studied extensively, showing a significant reduction in cancer incidence and mortality, however, data for the effect of bariatric surgery on certain specific types of cancer is conflicting or limited. Conclusion Medical nutrition therapy, exercise, antiobesity medication, and bariatric interventions, might lead to a reduction in cancer risk through weight loss-dependent and independent factors. Further evidence is needed to better determine which population might benefit the most, and the amount of weight loss required to provide a clinically significant preventative effect.
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Affiliation(s)
- Diego Anazco
- Precision Medicine for Obesity Program, Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | - Andres Acosta
- Precision Medicine for Obesity Program, Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Rochester, MN, USA
| | | | | | - Maria D. Hurtado
- Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Department of Medicine, Mayo Clinic, Jacksonville, FL, USA
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Kim S, Lee DH, Giovannucci EL, Keum N. Association between weight cycling and risk of colorectal cancer: a prospective cohort study. Br J Cancer 2024; 130:496-503. [PMID: 38114529 PMCID: PMC10844329 DOI: 10.1038/s41416-023-02529-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 11/25/2023] [Accepted: 11/27/2023] [Indexed: 12/21/2023] Open
Abstract
BACKGROUND Weight cycling is the repeated episodes manifesting intentional weight loss and subsequent unintentional weight gain. Whether the frequency and magnitude of weight cycling is associated with colorectal cancer risk independent of body mass index (BMI) remains unknown. METHODS Two prospective cohort studies, Nurses' Health Study I and Health Professionals Follow-up Study, followed 85,562 participants from 1992 to 2014. Participants completed a questionnaire regarding the frequency and magnitude of intentional weight loss in the past 4 years at the baseline. Hazard ratios (HRs) and 95% confidence intervals (CIs) were estimated using Cox proportional hazard model. RESULTS We identified 1626 colorectal cancer cases during up to 22 years of follow-up. In the pooled analysis of HPFS and NHS, compared to non-weight cycling, moderate weight cycling (≥3 times of intentional weight loss of ≥2.3-4.4 kg) was associated with a reduced risk of colorectal cancer after adjustment for confounders, including attained BMI after weight cycling (HR = 0.82, 95% CI 0.69, 0.97). However, no significant association was observed in mild weight cyclers and in severe weight cyclers. CONCLUSIONS Moderate weight cycling was associated with a lower risk of colorectal cancer independent of BMI. This finding needs further studies for replication and putative biological mechanisms.
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Affiliation(s)
- Suryun Kim
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
| | - Dong Hoon Lee
- Department of Sports Industry Studies, Yonsei University, Seoul, Republic of Korea
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Edward L Giovannucci
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - NaNa Keum
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
- Department of Food Science and Biotechnology, Dongguk University, Goyang, Republic of Korea.
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Lopez TD, Hernandez D, Bode S, Ledoux T. A complex relationship between intuitive eating and diet quality among university students. JOURNAL OF AMERICAN COLLEGE HEALTH : J OF ACH 2023; 71:2751-2757. [PMID: 34788570 DOI: 10.1080/07448481.2021.1996368] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 09/01/2021] [Accepted: 10/17/2021] [Indexed: 06/13/2023]
Abstract
Intuitive Eating (IE) theory posits eating in response to internal hunger, and satiety cues minimize impulses to over-consume foods. To assess this relationship, 758 university students (55% male) completed the Intuitive Eating Scale 2 (IES-2) and the Diet History Questionnaire II (DHQ). The IES-2 includes a total score and four subscale scores; unconditional permission to eat (UPE), reliance on hunger and satiety cues (RHSC), eating for physical rather than emotional reasons (EPR), and body food choice congruence (BFCC). Using multiple regression analysis, IE total was not related to diet quality. EPR (ß =0.10, p ≤ .01) and BFCC (ß =0.29, p ≤ .001) were positively related to diet quality. UPE (ß = -0.15, p ≤ .001) and RHSC (ß = -0.08, p ≤ .05) were negatively related to diet quality. This study found an antipodal relationship between the subscales of IE and diet quality among university students.
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Affiliation(s)
- Tabbetha D Lopez
- Family and Consumer Science, Sam Houston State University, Huntsville, Texas, USA
| | - Daphne Hernandez
- University of Texas Health Science Center at Houston, Cizik School of Nursing, Houston, Texas, USA
| | - Sharon Bode
- Department of Health and Human Performance, University of Houston, Houston, Texas, USA
| | - Tracey Ledoux
- Department of Health and Human Performance, University of Houston, Houston, Texas, USA
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Abstract
Obesity, dieting, and weight cycling are common among reproductive-age women. Weight cycling refers to intentional weight loss followed by unintentional weight regain. Weight loss is accompanied by changes in gut peptides, adipose hormones, and energy expenditure that promote weight regain to a tightly regulated set point. While weight loss can improve body composition and surrogate markers of cardiometabolic health, it is hypothesized that the weight regain can result in an overshoot effect, resulting in excess weight gain, altered body composition, and negative effects on surrogate markers of cardiometabolic health. Numerous observational studies have examined the association of weight cycling and health outcomes. There appears to be modest association between weight cycling with type 2 diabetes mellitus and dyslipidemia in women, but no association with hypertension, cardiovascular events, and overall cancer risk. Interestingly, mild weight cycling may be associated with a decreased risk of overall and cardiovascular mortality. Little is known about the effects of weight cycling in the preconception period. Although obesity and weight gain are associated with pregnancy complications, preconception weight loss does not appear to mitigate the risk of most pregnancy complications related to obesity. Research on preconception weight cycling may provide insight into this paradox.
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Affiliation(s)
- Katelyn J Carey
- Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York
| | - Wendy Vitek
- Department of Obstetrics and Gynecology, University of Rochester Medical Center, Rochester, New York
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Tran TPT, Luu NM, Bui TT, Han M, Lim MK, Oh JK. Weight-change trajectory in relation to cancer risk: findings from a nationwide cohort study in South Korea. Obesity (Silver Spring) 2022; 30:1507-1519. [PMID: 35785482 DOI: 10.1002/oby.23464] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 02/28/2022] [Accepted: 04/03/2022] [Indexed: 12/13/2022]
Abstract
OBJECTIVE This study examined relationships between weight-change trajectories and all cancers and obesity-related cancer risks. METHODS A total of 1,882,304 men and 899,912 women from the 2002 to 2017 National Health Insurance Service cohort were included. Weight-change trajectories in 2002 to 2009, according to BMI, were determined using group-based trajectory modeling. Cox proportional hazards regression assessed associations between trajectories and cancer incidence. RESULTS Overall, >50% of individuals maintained stable weight, as did two-thirds of those in the overweight and obesity groups. A total of 64,725 men and 37,608 women developed incident cancer. Weight stability in overweight or obesity groups was associated with greater cancer risk. In both sexes, higher weight across BMI groups increased risks of all cancers, obesity-related cancers and thyroid, colorectal, stomach, liver, prostate, and postmenopausal breast cancer. Stratified by BMI, weight gain increased risks of all cancers and obesity-related cancers in men with obesity class I and women with overweight. Weight loss decreased risks of obesity-related cancers, thyroid cancer, and kidney cancer among men with overweight, premenopausal breast, endometrial, and ovarian cancer in women with overweight, and obesity-related cancers and thyroid cancer in women with class I obesity. CONCLUSIONS Maintaining weight and avoiding weight gain are crucial for reducing cancer risk, but achieving a stable, normal BMI optimizes cancer prevention.
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Affiliation(s)
- Thi Phuong Thao Tran
- Department of Cancer Control and Population Health, National Cancer Center Graduate School of Cancer Science and Policy, Goyang, Republic of Korea
| | - Ngoc Minh Luu
- Department of Cancer Control and Population Health, National Cancer Center Graduate School of Cancer Science and Policy, Goyang, Republic of Korea
- Hanoi Medical University, Hanoi, Vietnam
| | - Thi Tra Bui
- Department of Cancer Control and Population Health, National Cancer Center Graduate School of Cancer Science and Policy, Goyang, Republic of Korea
| | - Minji Han
- Division of Cancer Prevention, National Cancer Center, Goyang, Republic of Korea
| | - Min Kyung Lim
- Department of Social and Preventive Medicine, College of Medicine, Inha University, Incheon, Republic of Korea
| | - Jin-Kyoung Oh
- Department of Cancer Control and Population Health, National Cancer Center Graduate School of Cancer Science and Policy, Goyang, Republic of Korea
- Division of Cancer Prevention, National Cancer Center, Goyang, Republic of Korea
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Schwalb ME, Smith-Warner SA, Hou J, Rohan TE, Snetselaar L, Luo J, Genkinger JM. Sustained Weight Loss, Weight Cycling, and Weight Gain During Adulthood and Pancreatic Cancer Incidence in the Women's Health Initiative. Am J Epidemiol 2022; 191:1009-1020. [PMID: 35102370 PMCID: PMC9393067 DOI: 10.1093/aje/kwac016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 01/11/2022] [Accepted: 01/25/2022] [Indexed: 02/03/2023] Open
Abstract
Pancreatic cancer (PC) is the fourth leading cause of cancer mortality among women in the United States. Obesity is positively associated with PC risk. Current health recommendations focus on weight maintenance for healthy-weight individuals and weight loss for overweight/obese individuals; however, little research has assessed associations between PC risk and changes in weight throughout the life course. Using prospective cohort study data, we examined the relationship between baseline adulthood weight patterns self-reported between 1993 and 1998 and PC risk in 136,834 postmenopausal women with 873 incident PC cases through September 30, 2015, in the Women's Health Initiative. Hazard ratios (HR) and 95% confidence intervals (CI) were estimated using Cox proportional hazards models, adjusting for age, smoking habits, heavy alcohol consumption, and body mass index. Compared with women with stable weight, no significant associations were found between steady weight gain (HR = 1.01, 95% CI: 0.83, 1.22), sustained weight loss (HR = 1.26, 95% CI: 0.85, 1.87), or weight cycling patterns (HR = 1.08, 95% CI: 0.89, 1.30) and PC. Results were similar when the outcome definition was restricted to pancreatic adenocarcinoma cases. Overall, we did not find evidence to suggest that weight changes in adulthood significantly impact PC risk among postmenopausal women.
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Affiliation(s)
| | | | | | | | | | | | - Jeanine M Genkinger
- Correspondence to Dr. Jeanine Genkinger, Department of Epidemiology, Mailman School of Public Health, Columbia University, 722 West 168th Street, Room 712, New York, NY 10032 (e-mail: )
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Body weight variability and cancer incidence in men aged 40 years and older-Korean National Insurance Service Cohort. Sci Rep 2021; 11:12122. [PMID: 34108574 PMCID: PMC8190310 DOI: 10.1038/s41598-021-91601-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Accepted: 05/20/2021] [Indexed: 12/11/2022] Open
Abstract
Repeated weight fluctuation has been proposed as a potential risk factor for increasing morbidity and mortality including cancer. We aimed to investigate the association between body weight variability (BWV) and all cancer and site-specific cancer incidence and the impact of smoking on these associations. A total of 1,759,848 cancer-free male subjects who had their weight measured at least 5 times from the National Health Insurance Service-Health Screening Cohort from 2002 to 2011 were included and followed up until 2015. BWV was defined as the average absolute difference between successive values (ASV). The risk of cancer and site-specific cancer from BWV was identified using Cox proportional hazards regression analysis using hazard ratios (HRs) and 95% confidence intervals (CIs) adjusted for potential confounders including weight, and stratified analysis was also conducted according to smoking status. During the 7,015,413 person-years of follow-up, 11,494 patients (0.65%) developed new-onset cancers. BWV was associated with a higher risk of all cancers after adjustment for confounders. The highest BWV quintile group compared to the lowest had greater risks of all cancers and site-specific cancers including lung, liver, and prostate cancer (HR 1.22, 95% CI 1.15–1.30; HR 1.22, 95% CI 1.07–1.39; HR 1.46, 95% CI 1.19–1.81; HR 1.36, 95% CI 1.15–1.62, in all cancers, lung, liver and prostate cancer, respectively). Due to small number of cancer occurrence, the risk of kidney cancer was increased, but statistically insignificant (HR 1.38, 95% CI 0.91–2.10). Similar results were observed in noncurrent smokers. However, in current smokers, the risks of all cancers and only prostate cancer were significantly increased in the highest BWV quintile group (HR 1.19, 95% CI 1.09–1.31; HR 1.51, 95% CI 1.08–2.11). The risk of kidney cancer also increased in this group, although the finding was not statistically significant (HR 1.77, 95% CI 0.87–3.63) This study suggested BWV is an independent risk factor for cancer in men, especially in lung, liver, and prostate cancer, but evidence was weaker in kidney cancer. This association remained significant only in prostate cancer in current smokers.
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Association between weight cycling and risk of kidney cancer: a prospective cohort study and meta-analysis of observational studies. Cancer Causes Control 2021; 32:1029-1038. [PMID: 34089471 DOI: 10.1007/s10552-021-01455-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 05/29/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE Weight cycling is common in populations. However, it is unclear whether frequency and magnitude of weight cycling is associated with kidney cancer risk, independent of body mass index (BMI). METHODS A prospective cohort study followed 85,562 participants from Health Professionals Follow-up Study and Nurses' Health Study (1992-2014). At baseline, participants reported frequency and magnitude of intentional weight loss in the past 4 years. Cox proportional hazard model was used to estimate hazard ratios (HR) and 95% confidence intervals (CI). We also conducted a meta-analysis of all available observational studies including our two cohorts. RESULTS During 22 years of follow-up, we identified 441 kidney cancer cases. Compared with non-weight cyclers (no attempt of intentional weight loss), severe cyclers (≥ 3 times of intentional weight loss of ≥ 4.5 kg) were at increased kidney cancer risk after adjusting for BMI before weight cycling (pooled multivariable-adjusted HR, 1.78; 95% CI, 1.19, 2.66). Additional adjustment for attained BMI after weight cycling had minimal influence. There was a positive trend between weight cycling by frequency and magnitude and kidney cancer risk (P-trend = 0.01). Moreover, the observed positive association did not differ by subtypes of cyclers (e.g., adiposity status, weight-loss methods). In the meta-analysis, we found a strong positive association between weight cycling and kidney cancer risk (summary relative risk for weight cyclers vs. non-cyclers, 1.51; 95% CI, 1.16, 1.96; I2: 52.2%; 6 studies). CONCLUSION Frequent substantial weight cycling was associated with increased risk of kidney cancer, independent of BMI. Our study suggests that weight cycling may be an important risk factor for kidney cancer.
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Weight fluctuation and risk of hepatocellular carcinoma: a nationwide population-based 8-million-subject study. Hepatol Int 2021; 15:482-492. [PMID: 33598868 DOI: 10.1007/s12072-021-10149-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 01/20/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND/AIM The importance of hepatocellular carcinoma (HCC) caused by obesity has been emphasized. Many studies have shown that weight fluctuations as well as high BMI are associated with various adverse outcomes. In this study, we investigated the relationship between weight fluctuation and HCC in general populations drawn from a nationwide population-based cohort. METHOD A population-based cohort study including 8,001,829 subjects participating in more than three health examinations within 5 years from the index year were followed until the end of 2017. The degree of weight fluctuation and incidence of HCC during the period were evaluated. RESULTS When we classified groups according to baseline body mass index (BMI) level, the highest risk for HCC was observed in subjects with BMI of 30 or greater (adjusted hazard ratio [aHR] 1.40, 95% confidence interval [CI] 1.27-1.54). Also, increasing trends for the relationship between weight fluctuation and HCC were observed in multivariable Cox proportional analyses. The risk of HCC increased by 16% (aHR 1.16, 95% CI 1.12-1.20) for the highest quartile of weight fluctuation relative to the lowest quartile. These findings were consistent regardless of the baseline BMI or other metabolic factors. However, these effects of weight fluctuation on HCC were not observed in liver cirrhosis or viral hepatitis subgroups. CONCLUSION Weight fluctuation is an independent predictor of HCC. In the absence of liver cirrhosis or chronic hepatitis, the impact of weight fluctuation on HCC is further emphasized. These results suggest maintaining steady weight is recommended to reduce the risk of HCC.
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Sorino P, Caruso MG, Misciagna G, Bonfiglio C, Campanella A, Mirizzi A, Franco I, Bianco A, Buongiorno C, Liuzzi R, Cisternino AM, Notarnicola M, Chiloiro M, Pascoschi G, Osella AR. Selecting the best machine learning algorithm to support the diagnosis of Non-Alcoholic Fatty Liver Disease: A meta learner study. PLoS One 2020; 15:e0240867. [PMID: 33079971 PMCID: PMC7575109 DOI: 10.1371/journal.pone.0240867] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 10/03/2020] [Indexed: 02/08/2023] Open
Abstract
Background & aims Liver ultrasound scan (US) use in diagnosing Non-Alcoholic Fatty Liver Disease (NAFLD) causes costs and waiting lists overloads. We aimed to compare various Machine learning algorithms with a Meta learner approach to find the best of these as a predictor of NAFLD. Methods The study included 2970 subjects, 2920 constituting the training set and 50, randomly selected, used in the test phase, performing cross-validation. The best predictors were combined to create three models: 1) FLI plus GLUCOSE plus SEX plus AGE, 2) AVI plus GLUCOSE plus GGT plus SEX plus AGE, 3) BRI plus GLUCOSE plus GGT plus SEX plus AGE. Eight machine learning algorithms were trained with the predictors of each of the three models created. For these algorithms, the percent accuracy, variance and percent weight were compared. Results The SVM algorithm performed better with all models. Model 1 had 68% accuracy, with 1% variance and an algorithm weight of 27.35; Model 2 had 68% accuracy, with 1% variance and an algorithm weight of 33.62 and Model 3 had 77% accuracy, with 1% variance and an algorithm weight of 34.70. Model 2 was the most performing, composed of AVI plus GLUCOSE plus GGT plus SEX plus AGE, despite a lower percentage of accuracy. Conclusion A Machine Learning approach can support NAFLD diagnosis and reduce health costs. The SVM algorithm is easy to apply and the necessary parameters are easily retrieved in databases.
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Affiliation(s)
- Paolo Sorino
- Laboratory of Epidemiology and Biostatistics, National Institute of Gastroenterology, “S de Bellis” Research Hospital, Castellana Grotte, Bari, Italy
| | - Maria Gabriella Caruso
- Laboratory of Nutritional Biochemistry, National Institute of Gastroenterology, “S de Bellis” Research Hospital, Castellana Grotte, Bari, Italy
| | - Giovanni Misciagna
- Scientific and Ethical Committee, Polyclinic Hospital, University of Bari, Bari, Italy
| | - Caterina Bonfiglio
- Laboratory of Epidemiology and Biostatistics, National Institute of Gastroenterology, “S de Bellis” Research Hospital, Castellana Grotte, Bari, Italy
| | - Angelo Campanella
- Laboratory of Epidemiology and Biostatistics, National Institute of Gastroenterology, “S de Bellis” Research Hospital, Castellana Grotte, Bari, Italy
| | - Antonella Mirizzi
- Laboratory of Epidemiology and Biostatistics, National Institute of Gastroenterology, “S de Bellis” Research Hospital, Castellana Grotte, Bari, Italy
| | - Isabella Franco
- Laboratory of Epidemiology and Biostatistics, National Institute of Gastroenterology, “S de Bellis” Research Hospital, Castellana Grotte, Bari, Italy
| | - Antonella Bianco
- Laboratory of Epidemiology and Biostatistics, National Institute of Gastroenterology, “S de Bellis” Research Hospital, Castellana Grotte, Bari, Italy
| | - Claudia Buongiorno
- Laboratory of Epidemiology and Biostatistics, National Institute of Gastroenterology, “S de Bellis” Research Hospital, Castellana Grotte, Bari, Italy
| | - Rosalba Liuzzi
- Laboratory of Epidemiology and Biostatistics, National Institute of Gastroenterology, “S de Bellis” Research Hospital, Castellana Grotte, Bari, Italy
| | - Anna Maria Cisternino
- Clinical Nutrition Outpatient Clinic, National Institute of Gastroenterology, “S de Bellis” Research Hospital, Castellana Grotte, Bari, Italy
| | - Maria Notarnicola
- Laboratory of Nutritional Biochemistry, National Institute of Gastroenterology, “S de Bellis” Research Hospital, Castellana Grotte, Bari, Italy
| | - Marisa Chiloiro
- San Giacomo Hospital Largo S. Veneziani, Monopoli, Bari, Italy
| | - Giovanni Pascoschi
- Department of Electrical and Information Engineering, Polytechnic of Bari, Bari, Italy
| | - Alberto Rubén Osella
- Laboratory of Epidemiology and Biostatistics, National Institute of Gastroenterology, “S de Bellis” Research Hospital, Castellana Grotte, Bari, Italy
- * E-mail:
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Lin C, Cai X, Yang W, Lv F, Nie L, Ji L. The Body Weight Alteration and Incidence of Neoplasm in Patients With Type 2 Diabetes: A Meta-Analysis of Randomized Controlled Trials. Front Endocrinol (Lausanne) 2020; 11:541699. [PMID: 33424764 PMCID: PMC7793753 DOI: 10.3389/fendo.2020.541699] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 11/18/2020] [Indexed: 01/21/2023] Open
Abstract
OBJECTIVE Whether hypoglycemic treatments with weight-alternating effects influence the incidence of neoplasm in type 2 diasbetes (T2D) remains uncertain. Therefore, we performed a meta-analysis to assess the association between the weight alteration and incidence of neoplasm in patients with T2D. RESEARCH DESIGN AND METHODS Systematic searches were conducted for studies published between the inception of 1950s and September 2019. Randomized controlled trials conducted in T2D patients with at least 48-week follow-up, significant weight change difference between treatment arms and reports of neoplasm events were included. Fixed-effects model and meta-regression analysis were accordingly used. RESULTS In all, 46 studies were included. Analysis indicated weight reduction was not associated with a decreased incidence of neoplasm (OR = 1.01, 95% CI, 0.96 to 1.07, I2 = 17%) and weight elevation was not associated with an increased incidence of neoplasm (OR = 0.91, 95% CI, 0.76 to 1.09, I2 = 0%). Meta-regression analysis showed a slower weight reduction rate (β = -5.983, 95% CI, -11.412 to 0.553, P = 0.03) instead of weight change difference (β = -0.030, 95% CI, -0.068 to 0.007, P = 0.115) was significantly associated with reduced risk of neoplasm in patients with T2D. Moreover, a decreased incidence of prostate, bladder, and uterine neoplasm was observed in T2D patients with weight reduction difference while an increased incidence of thyroid neoplasm was found in glucagon-like peptide-1 receptor analog (GLP-1RA) users with weight reduction difference. CONCLUSIONS Additional weight change achieved by current hypoglycemic agents or strategies in short and medium periods was not associated with incidence of most neoplasm in patients with T2D. However, a decreased incidence of prostate, bladder, and uterine neoplasm was shown in T2D patients with weight reduction difference while an increased risk of thyroid neoplasm was observed in T2D patients on GLP-1RA treatments with weight reduction difference. A more sustained and persistent weight reduction process may confer reduced risk of neoplasm in patients with T2D.
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Affiliation(s)
- Chu Lin
- Department of Endocrinology and Metabolism, Peking University People’s Hospital, Beijing, China
| | - Xiaoling Cai
- Department of Endocrinology and Metabolism, Peking University People’s Hospital, Beijing, China
- *Correspondence: Xiaoling Cai, ; Linong Ji,
| | - Wenjia Yang
- Department of Endocrinology and Metabolism, Peking University People’s Hospital, Beijing, China
| | - Fang Lv
- Department of Endocrinology and Metabolism, Peking University People’s Hospital, Beijing, China
| | - Lin Nie
- Department of Endocrinology and Metabolism, Beijing Airport Hospital, Beijing, China
| | - Linong Ji
- Department of Endocrinology and Metabolism, Peking University People’s Hospital, Beijing, China
- *Correspondence: Xiaoling Cai, ; Linong Ji,
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Zhang X, Rhoades J, Caan BJ, Cohn DE, Salani R, Noria S, Suarez AA, Paskett ED, Felix AS. Intentional weight loss, weight cycling, and endometrial cancer risk: a systematic review and meta-analysis. Int J Gynecol Cancer 2019; 29:1361-1371. [PMID: 31451560 PMCID: PMC6832748 DOI: 10.1136/ijgc-2019-000728] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 08/01/2019] [Accepted: 08/05/2019] [Indexed: 12/11/2022] Open
Abstract
PURPOSE Weight cycling, defined as intentional weight loss followed by unintentional weight regain, may attenuate the benefit of intentional weight loss on endometrial cancer risk. We summarized the literature on intentional weight loss, weight cycling after intentional weight loss, bariatric surgery, and endometrial cancer risk. METHODS A systematic search was conducted using MEDLINE, Embase, and Cochrane Central Register of Controlled Trials databases published between January 2000 and November 2018. We followed Preferred Reporting Items of Systematic Reviews and Meta-analysis (PRISMA) guidelines. We qualitatively summarized studies related to intentional weight loss and weight cycling due to the inconsistent definition, and quantitatively summarized studies when bariatric surgery was the mechanism of intentional weight loss. RESULTS A total of 127 full-text articles were reviewed, and 13 were included (bariatric surgery n=7, self-reported intentional weight loss n=2, self-reported weight cycling n=4). Qualitative synthesis suggested that, compared with stable weight, self-reported intentional weight loss was associated with lower endometrial cancer risk (RR range 0.61-0.96), whereas self-reported weight cycling was associated with higher endometrial cancer risk (OR range 1.07-2.33). The meta-analysis yielded a 59% lower risk of endometrial cancer following bariatric surgery (OR 0.41, 95% CI 0.22 to 0.74). CONCLUSIONS Our findings support the notion that intentional weight loss and maintenance of a stable, healthy weight can lower endometrial cancer risk. Strategies to improve awareness and maintenance of weight loss among women with obesity are needed to reduce endometrial cancer risk.
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Affiliation(s)
- Xiaochen Zhang
- Division of Population Sciences, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA
- Division of Epidemiology, The Ohio State University College of Public Health, Columbus, OH, USA
| | - Jennifer Rhoades
- Division of Epidemiology, The Ohio State University College of Public Health, Columbus, OH, USA
| | - Bette J Caan
- Division of Research, Kaiser Permanente Northern California, Oakland, California, USA
| | - David E Cohn
- Division of Gynecologic Oncology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Ritu Salani
- Division of Gynecologic Oncology, Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Sabrena Noria
- Center for Minimally Invasive Surgery, Division of General and Gastrointestinal Surgery, Department of Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Adrian A Suarez
- Department of Pathology, The Ohio State University Wexner Medical Center, Columbus, Ohio, USA
| | - Electra D Paskett
- Division of Population Sciences, The Ohio State University Comprehensive Cancer Center, Columbus, Ohio, USA
- Division of Epidemiology, The Ohio State University College of Public Health, Columbus, OH, USA
| | - Ashley S Felix
- Division of Epidemiology, The Ohio State University College of Public Health, Columbus, OH, USA
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Ligibel JA, Basen-Engquist K, Bea JW. Weight Management and Physical Activity for Breast Cancer Prevention and Control. Am Soc Clin Oncol Educ Book 2019; 39:e22-e33. [PMID: 31099634 DOI: 10.1200/edbk_237423] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Observational evidence has consistently linked excess adiposity and inactivity to increased breast cancer risk and to poor outcomes in individuals diagnosed with early-stage, potentially curable breast cancer. There is less information from clinical trials testing the effect of weight management or physical activity interventions on breast cancer risk or outcomes, but a number of ongoing trials will test the impact of weight loss and other lifestyle changes after cancer diagnosis on the risk of breast cancer recurrence. Lifestyle changes have additional benefits beyond their potential to decrease primary or secondary breast cancer risk, including improvements in metabolic parameters, reduction in the risk of comorbidities such as diabetes and heart disease, improvement of physical functioning, and mitigation of side effects of cancer therapy. Despite these myriad benefits, implementation of lifestyle interventions in at-risk and survivor populations has been limited to date. This article reviews the evidence linking lifestyle factors to breast cancer risk and outcomes, discusses completed and ongoing randomized trials testing the impact of lifestyle change in primary and secondary breast cancer prevention, and reviews efforts to implement and disseminate lifestyle interventions in at-risk and breast cancer survivor populations.
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Cologne J, Takahashi I, French B, Nanri A, Misumi M, Sadakane A, Cullings HM, Araki Y, Mizoue T. Association of Weight Fluctuation With Mortality in Japanese Adults. JAMA Netw Open 2019; 2:e190731. [PMID: 30874785 PMCID: PMC6484619 DOI: 10.1001/jamanetworkopen.2019.0731] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
IMPORTANCE Weight cycling is associated with the risk of mortality from heart disease, but many studies have not distinguished between simple nonlinear (monotone) weight changes and more complex changes that reflect fluctuations. OBJECTIVE To assess whether extreme body weight variation is associated with mortality after controlling for nonlinear weight changes. DESIGN, SETTING, AND PARTICIPANTS In this prospective clinical cohort study, 4796 Japanese atomic bomb survivors were examined in the clinic as part of a biennial health examination and research program. The study consisted of a 20-year longitudinal baseline period (July 1, 1958, to June 30, 1978) and subsequent mortality follow-up of 27 years (July 1, 1978, to June 30, 2005) Participants were initially between the ages of 20 and 49 years during the baseline period and, throughout the baseline period, had no diagnoses of cardiovascular disease (CVD) or cancer and attended at least 7 of 10 scheduled examinations. Data analysis was performed from October 16, 2015, to May 13, 2016. EXPOSURES Residual variability in body mass index (BMI) during the baseline period. MAIN OUTCOMES AND MEASURES Outcomes were mortality from ischemic heart disease, cerebrovascular disease, other CVDs combined, other causes (except cancer), and cancer. Root mean squared error was calculated to capture individual residual variation in BMI after adjustment for baseline BMI trends, and the association of magnitude of residual variation with mortality was calculated as relative risk. RESULTS In total, 4796 persons (mean [SD] age, 35.0 [7.3] years at first baseline examination; 3252 [67.8%] female; mean [SD] BMI, 21.2 [2.8] at first baseline visit [20.6 (2.4) among men and 21.5 (2.9) among women]) participated in the study. During follow-up, 1550 participants died: 82 (5.3% of all deaths) of ischemic heart disease, 181 (11.7%) of cerebrovascular disease, 186 (12.0%) of other CVDs, 615 (39.7%) of cancer, and 486 (31.3%) of other causes. Magnitude of residual variation in weight was associated with all-cause mortality (relative risk, 1.25 for 1 U of additional variation; 95% CI, 1.06-1.47) and ischemic heart disease mortality (relative risk, 2.49; 95% CI, 1.41-4.38). CONCLUSIONS AND RELEVANCE The findings suggest that an association exists between weight variation and heart disease mortality and that weight loss interventions, if deemed to be necessary, should be considered carefully.
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Affiliation(s)
- John Cologne
- Department of Statistics, Radiation Effects Research Foundation, Hiroshima, Japan
| | - Ikuno Takahashi
- Department of Clinical Studies, Radiation Effects Research Foundation, Hiroshima, Japan
| | - Benjamin French
- Department of Statistics, Radiation Effects Research Foundation, Hiroshima, Japan
| | - Akiko Nanri
- Department of Food and Health Sciences, International College of Arts and Sciences, Fukuoka Women's University, Fukuoka, Japan
- Center for Clinical Sciences, Department of Epidemiology and Prevention, National Center for Global Health and Medicine, Tokyo, Japan
| | - Munechika Misumi
- Department of Statistics, Radiation Effects Research Foundation, Hiroshima, Japan
| | - Atsuko Sadakane
- Department of Epidemiology, Radiation Effects Research Foundation, Hiroshima, Japan
| | - Harry M. Cullings
- Department of Statistics, Radiation Effects Research Foundation, Hiroshima, Japan
| | - Yuko Araki
- Graduate School of Integrated Science and Technology, Department of Informatics, Shizuoka University, Shizuoka, Japan
| | - Tetsuya Mizoue
- Center for Clinical Sciences, Department of Epidemiology and Prevention, National Center for Global Health and Medicine, Tokyo, Japan
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Abstract
The purpose of this narrative review is to summarize evidence of the epidemiology of and risk factors for kidney cancer with a focus on renal cell carcinoma in adults. The etiology of kidney cancer is largely unknown and the main epidemiologic determinants are large geographic and temporal variations in incidence rates. Established risk factors include tobacco smoking, body size, and history of hypertension and chronic kidney disease. Other suspected risk factors require additional investigation, as do the underlying biologic mechanisms that are responsible for disease occurrence. Opportunities to prevent kidney cancer include targeting modifiable risk factors-for example, smoking abstinence/cessation and body weight control-as well as interventions along the diagnostic pathway to improve early diagnosis. Molecular epidemiology, including, but not limited to, metabolomics and tumor genomics, are new areas of research that promise to play important roles in identifying some of the underlying causes of kidney cancer.
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Affiliation(s)
- Ghislaine Scelo
- Ghislaine Scelo and Tricia L. Larose, International Agency for Research on Cancer, Lyon, France; and Tricia L. Larose, Norwegian University of Science and Technology, Trondheim, Norway
| | - Tricia L. Larose
- Ghislaine Scelo and Tricia L. Larose, International Agency for Research on Cancer, Lyon, France; and Tricia L. Larose, Norwegian University of Science and Technology, Trondheim, Norway
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Welti LM, Beavers DP, Caan BJ, Sangi-Haghpeykar H, Vitolins MZ, Beavers KM. Weight Fluctuation and Cancer Risk in Postmenopausal Women: The Women's Health Initiative. Cancer Epidemiol Biomarkers Prev 2017; 26:779-786. [PMID: 28069684 PMCID: PMC5413381 DOI: 10.1158/1055-9965.epi-16-0611] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 12/16/2016] [Accepted: 12/31/2016] [Indexed: 01/22/2023] Open
Abstract
Background: Weight cycling, defined by an intentional weight loss and subsequent regain, commonly occurs in overweight and obese women and is associated with some negative health outcomes. We examined the role of various weight-change patterns during early to mid-adulthood and associated risk of highly prevalent, obesity-related cancers (breast, endometrial, and colorectal) in postmenopausal women.Methods: A total of 80,943 postmenopausal women (age, 63.4 ± 7.4 years) in the Women's Health Initiative Observational Study were categorized by self-reported weight change (weight stable; weight gain; lost weight; weight cycled [1-3, 4-6, 7-10, >10 times]) during early to mid-adulthood (18-50 years). Three site-specific associations were investigated using Cox proportional hazard models [age, race/ethnicity, income, education, smoking, alcohol, physical activity, hormone therapy, diet, and body mass index (BMI)].Results: A total of 7,464 (breast = 5,564; endometrial = 788; and colorectal = 1,290) incident cancer cases were identified between September 1994 and August 2014. Compared with weight stability, weight gain was significantly associated with risk of breast cancer [hazard ratio (HR), 1.11; 1.03-1.20] after adjustment for BMI. Similarly, weight cycling was significantly associated with risk of endometrial cancer (HR = 1.23; 1.01-1.49). Weight cycling "4 to 6 times" was most consistently associated with cancer risk, showing a 38% increased risk for endometrial cancer [95% confidence interval (CI), 1.08-1.76] compared with weight stable women.Conclusions: Weight gain and weight cycling were positively associated with risk of breast and endometrial cancer, respectively.Impact: These data suggest weight cycling and weight gain increase risk of prevalent cancers in postmenopausal women. Adopting ideal body-weight maintenance practices before and after weight loss should be encouraged to reduce risk of incident breast and endometrial cancers. Cancer Epidemiol Biomarkers Prev; 26(5); 779-86. ©2017 AACR.
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Affiliation(s)
- Laura M Welti
- Department of Health and Exercise Science, Wake Forest University, Winston-Salem, North Carolina
| | - Daniel P Beavers
- Department of Biostatistical Sciences, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Bette J Caan
- Division of Research, Kaiser Permanente, Oakland, California
| | | | - Mara Z Vitolins
- Department of Epidemiology and Prevention, Wake Forest School of Medicine, Winston-Salem, North Carolina
| | - Kristen M Beavers
- Department of Health and Exercise Science, Wake Forest University, Winston-Salem, North Carolina.
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Determinants of the benefits of a short-term personalized intermittent work exercise program (IWEP) among seniors: Results from the CAPS program. Eur Geriatr Med 2016. [DOI: 10.1016/j.eurger.2016.05.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Stevens VL, Jacobs EJ, Patel AV, McCullough ML, Campbell PT, Gapstur SM. The authors reply. Am J Epidemiol 2015; 182:822. [PMID: 26454258 DOI: 10.1093/aje/kwv247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
| | - Eric J Jacobs
- Epidemiology Research Program, American Cancer Society, Atlanta, GA
| | - Alpa V Patel
- Epidemiology Research Program, American Cancer Society, Atlanta, GA
| | | | - Peter T Campbell
- Epidemiology Research Program, American Cancer Society, Atlanta, GA
| | - Susan M Gapstur
- Epidemiology Research Program, American Cancer Society, Atlanta, GA
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Vardanjani HM, Haghdoost A, Hadipour M. Re: "weight cycling and cancer incidence in a large prospective US cohort". Am J Epidemiol 2015; 182:821-2. [PMID: 26454257 DOI: 10.1093/aje/kwv246] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Hossein Molavi Vardanjani
- Research Center for Modeling in Health, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
| | - AliAkbar Haghdoost
- Regional Knowledge Hub, WHO Collaborating Center for HIV Surveillance, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
| | - Maryam Hadipour
- Regional Knowledge Hub, WHO Collaborating Center for HIV Surveillance, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran
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