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102 active trials for Type2 Diabetes

eHealth Intervention on Physical Activity for Type 2 Diabetics - Frustrated by COVID-19

This pragmatic 3-arm randomized controlled trial is conducted within the primary health care setting. The trial evaluates the effectiveness of a personalized eHealth intervention based on a hip-worn accelerometer, smartphone application and cloud service (www.exced.com) with or without face-to-face and telephone counselling contacts on physical activity (PA) compared to usual care in increasing daily PA and reducing sedentary behavior (SB) among type 2 diabetes (T2D) patients.The duration of the intervention period is 6 months, after which there is a 6 month follow-up for evaluating the maintenance of anticipated intervention effects. The primary goal of the intervention is that the T2D patients increase their daily number of steps by replacing SB with low intensity PA. The secondary goal is to increase short bouts of moderate-to-vigorous PA according to personal goals. It is expected that the eHealth intervention complemented by individual counselling is the most effective in reaching the goals, and the eHealth intervention is more effective than usual care. Measurements are done at baseline, after the 6-month intervention, and after the 6-month follow-up. Participants' one-week PA and SB are measured with a hip-worn triaxial accelerometer and analyzed with validated algorithms. Cardiorespiratory fitness is assessed with a validated 6-minute walk test. Diabetes-related metabolic biomarkers (HbA1C, LDL-c, HDL-c, oxidized LDL and HDL lipids) and cardiovascular risk factors (blood pressure, BMI, waist circumference) are measured with standard laboratory methods. Quality of life is assessed by RAND-36 method. The interventions are evaluated with RE-AIM (Reach, Effectiveness, Adoption, Implementation and Maintenance) method. Besides effectiveness, RE-AIM methods evaluates the target group reach and adherence; provider adoption; intervention fidelity; maintenance of the changes in PA and SB behavior, biomarkers and CVD risk factors; intervention transferability to clinical practice; adverse events; and patient and provider satisfaction. Unexpectedly, the COVID-19 pandemic in spring 2020 led to substantial restrictions in outdoors mobility of T2D patients and their access access to health care in Finland, facts that frustrated the planned implementation of the original intervention, related measurements and their scheduling. This means that not all planned measurements could be done at all or at the scheduled time point. Irrespective of the time of recruitment, all follow-up measurements are done from June to September 2020. Notwithstanding the COVID-19 pandemic annulled the original intervention, the collected data yet provides unique insights into measured physical activity, fitness and metabolic biomarkers of T2D patients before and during the COVID-19 pandemic and consequent restrictions.In addition, the data allows to evaluate the implementation of eHealth approach and face-to-face and telephone PA counselling contacts within the primary health care setting.

Start: March 2019
Whey or Casein - Liver Fat Reduction and Metabolic Improvement by Fast vs. Slow Proteins

High-protein diets have been recently demonstrated to effectively reduce insulin resistance, derangements of the lipid profile and liver fat content in subjects with moderately and severely impaired glucose metabolism and non-alcoholic fatty liver disease (LeguAN, LEMBAS, DiNA-P, DiNA-D). The effects can be attributed to prolonged insulin secretion and improved second meal effect, higher energy expenditure by urea synthesis, suppression of glucagon or other mechanisms. Up to now, it is unclear, if proteins with slower or faster digestibility lead to differential results in these study designs. The proposed study will elucidate this question. The Investigators hypothesize, that slowly-digestible proteins induce a prolonged insulin plateau supporting the second-meal effect. The investigators also assume, that these dietary proteins lead to a markedly stronger short-term secretion of glucagon followed by desensitisation of this hormone release. Fast-digestible proteins, on the other hand, will presumably induce a smaller second-meal effect and do not inhibit a second rise of glucagon in a consecutive meal. The investigators intend to study the effects of a 3-weeks high-protein diet in subjects with NAFLD (40 subjects without T2DM, 40 subjects with T2DM) on insulin resistance (mixed-meal tolerance tests; MMTT), second meal effect (second, consecutive MMTT on the same day) and liver fat content (MR spectroscopy) as well body-fat distribution (MR tomography). The investigators expect different results for slow protein (casein) and fast protein (whey), thus comparing both protein species. The two major clinical visits before and after the intervention period will also include fasting blood sampling for later analysis, full anthropometric assessment and a set of behavioral tests, investigating postprandial decision making processes. All clinical assessments will be conducted in Charité (Lead: A.F.H. Pfeiffer). Psychobehavioral tests (Prof. Park), assessment of body fat distribution including liver fat (Dr. Machann) and measurements of amino acid levels throughout the meal tests (Prof. Rohn) are secondary work packages.

Start: September 2020
A Mobile Health Intervention to Reduce Diabetes Disparities in Chinese Americans

Chinese Americans are one of the fastest growing immigrant groups in the US, who suffer disproportionately high type 2 diabetes (T2D) burden and have poorly controlled T2D. Despite the well-documented T2D disparities in this minority group, limited work has been conducted to improve health outcomes in Chinese Americans. The goal of this Pathway to Independence Award (K99/R00) is to expedite the candidate's transition to an independent investigator who possesses focused expertise in development and evaluation of culturally and linguistically tailored and sustainable interventions to reduce T2D disparities in Chinese Americans. In the K99 phase of this award, the candidate will obtain critical training needed to accomplish this goal and will develop a short message service (SMS) intervention to improve T2D management in Chinese Americans. More specifically, the aims are to 1) characterize barriers and facilitators of glycemic control in Chinese Americans with T2D (Aim 1a); 2) develop culturally and linguistically tailored SMS intervention content (Aim 1b); and 3) assess the feasibility and acceptability of the SMS intervention in a pre-, post-test study (Aim 1c). In the R00 phase, the candidate will refine the SMS intervention based on the K99 pilot data and evaluate the proof-of-concept regarding its efficacy in a pilot randomized controlled trial among 66 Chinese Americans with T2D (Aim 2). Participants will be randomized to one of 2 arms (n=33 each): 1) wait-list control and 2) SMS intervention. Both groups will continue to receive standard of care treatment for their T2D. The SMS group will receive brief lifestyle counseling videos via SMS links. At the end of the study, the wait-list control group will be provided the opportunity to receive the SMS-based counseling videos. Measurements will be obtained at baseline, 3, and 6 months. The primary outcome is HbA1c and secondary outcomes include self-efficacy, diabetes self-management behaviors, dietary intake and physical activity behaviors. Linear mixed modeling will be used to examine the group and group by time interaction effects between the SMS intervention and wait-list control group. Findings from this R00 study will inform a larger full-scale R01 efficacy trial of the SMS intervention, and ultimately, establish the candidate's program of research focused on developing and testing sustainable interventions to reduce disparities in chronic disease outcomes in Chinese Americans. This project can serve as a program model for other chronic disease interventions in Chinese Americans that require lifestyle modification (e.g., prediabetes, hypertension), or for disparities research in other high-risk immigrant populations (e.g., South Asians, Hispanic Americans).

Start: January 2021
Effects of White Potato Consumption on Measures of Cardiometabolic Health in Individuals With Type 2 Diabetes Mellitus

The investigators are examining the effects of potato consumption on indices of glycemic control and cardiovascular health in overweight and obese individuals with type two diabetes mellitus (T2D) to provide feasible and effective dietary ways for individuals to enhance their quality of life. The overall objective of this crossover study is to collect data regarding the effects of potato consumption on indices of glycemic control and cardiovascular health among overweight and obese individuals with T2D. The central hypothesis of this crossover study is that the daily consumption of 100 g white potato for 12 weeks will contribute to improvements in glycemic control, reductions in inflammation, and improvements in blood lipids and vascular function in overweight and obese individuals with T2D compared to a macronutrient-matched refined grain (75 g cooked long-grain white rice) for 12 weeks (with a 2 week washout period between interventions). Specific Aim) The assessment of blood glucose control, vascular function, body composition and overall cardiovascular risk after consumption of potatoes (100g/d for 12 weeks) in individuals with T2D compared to a calorie matched refined grain at the initial baseline visit as well as the 6-, and 12-week study visits (for each 12-week intervention period). This aim will assess changed in blood glucose, insulin, HbA1c, HOMA-IR, and HOMA-? as well as the following: blood pressure (BP) markers of endothelial function [flow-mediated dilation (FMD), pulse wave velocity (PWV), and endothelin-1 (ET-1)] markers of inflammation (C-reactive protein) body composition via bioelectrical impedance (BIA), lean mass and fat mass assessment lipid profiles, consisting of total cholesterol (TC), triglycerides (TG), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C) and oxidized LDL (Ox-LDL). Atherogenic risk ratios (TC/HDL-C, LDL-C/HDL-C, HDL-C/LDL-C) will also be assessed anthropometrics [weight, height, waist circumference (WC), hip circumference (HC), waist-to-hip ratio (WC/HC)]

Start: September 2019