PurposeThe purpose of this study is to evaluate whether higher emotional distress (depressive symptoms or diabetes distress) was associated with a lower likelihood of basal or rapid-acting insulin initiation among participants enrolled in the GRADE Emotional Distress Substudy (EDS).MethodsIndividuals with type 2 diabetes <10 years duration on metformin alone were randomized to add 1 of 4 glucose-lowering drugs. Per protocol, participants were expected to start basal or rapid-acting insulin rescue therapy after reaching secondary or tertiary glycemic outcomes (A1C >7.
View Article and Find Full Text PDFObjective: To compare rates of and risk factors for hospitalizations among Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE) participants taking metformin and randomly assigned to insulin glargine U-100, glimepiride, liraglutide, or sitagliptin.
Research Design And Methods: Intention-to-treat (ITT) (N = 5,047) and on-assigned-treatment (AT) (N = 4,830) data sets were used. Baseline differences between those hospitalized versus those not hospitalized were assessed.
Objective: Weight gain with glucose-lowering medications may interfere with effective type 2 diabetes (T2D) management. We evaluated weight change and the effect of weight gain on outcomes over 5 years on four diabetes medications.
Research Design And Methods: The Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE) randomized trial compared the addition of insulin glargine, glimepiride, liraglutide, or sitagliptin to metformin in participants with T2D.
Aims/hypothesis: Insulin resistance and inflammation are components of a biological framework that is hypothesised to be shared by type 2 diabetes and depression. However, depressive symptoms include a large heterogeneity of somatic and cognitive-affective symptoms, and this may obscure the associations within this biological framework. Cross-sectional and longitudinal data were used to disentangle the contributions of insulin resistance and inflammation to somatic and cognitive-affective symptoms of depression.
View Article and Find Full Text PDFObjective: To determine whether the relationship between average glucose (AG) levels and hemoglobin A1c (HbA1c) differs across racial/ethnic groups.
Research Design And Methods: We performed a prospective substudy of GRADE, a comparative effectiveness randomized trial conducted in 36 centers in the U.S.
Diabetes Care
April 2024
Objective: We evaluated whether adding basal insulin to metformin in adults with early type 2 diabetes mellitus (T2DM) would increase emotional distress relative to other treatments.
Research Design And Methods: The Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE) of adults with T2DM of <10 years' duration, HbA1c 6.8-8.
J Diabetes Complications
March 2024
Based on self-report in the GRADE diabetes study, cumulative incidence of retinopathy was low over 5 years (3.7 %; 184 of 4098 participants) and did not differ among the 4 treatment groups (glargine 4.0 %, glimepiride 3.
View Article and Find Full Text PDFObjective: We report mortality outcomes in the Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE) among people with type 2 diabetes diagnosed within 10 years and no recent history of cardiovascular events or cancer.
Research Design And Methods: Overall mortality rates and major causes of death were assessed over an average of 5 years of follow-up. Cause of death was adjudicated centrally by a committee masked to treatment assignment.
Objective: To evaluate whether baseline levels of depressive symptoms and diabetes-specific distress are associated with glycemic control in Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE), a large randomized controlled trial comparing the metabolic effects of four common glucose-lowering medications when combined with metformin in individuals with type 2 diabetes mellitus (T2DM).
Research Design And Methods: The primary and secondary outcomes were defined as an HbA1c value ≥7%, subsequently confirmed, and an HbA1c value >7.5%, subsequently confirmed, respectively.
Objective: We examined longitudinal associations between emotional distress (specifically, depressive symptoms and diabetes distress) and medication adherence in Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE), a large randomized controlled trial comparing four glucose-lowering medications added to metformin in adults with relatively recent-onset type 2 diabetes mellitus (T2DM).
Research Design And Methods: The Emotional Distress Substudy assessed medication adherence, depressive symptoms, and diabetes distress in 1,739 GRADE participants via self-completed questionnaires administered biannually up to 3 years. We examined baseline depressive symptoms and diabetes distress as predictors of medication adherence over 36 months.
Objective: In Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE) (5,047 participants, mean follow-up 5.0 years), differences in glycemic control were demonstrated over time among four randomized therapies added to metformin. Weight gain and hypoglycemia are also important outcomes for people with type 2 diabetes.
View Article and Find Full Text PDFObjective: To describe rescue insulin use and associated factors in the Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE).
Research Design And Methods: GRADE participants (type 2 diabetes duration <10 years, baseline A1C 6.8%-8.
Aims: People with type 2 diabetes (T2DM) have an increased risk of cardiovascular disease (CVD). We examined depressive symptoms (DS) and diabetes distress (DD) in relation to the estimated 10-year risk of CVD in adults with T2DM enrolled in the GRADE Emotional Distress Substudy.
Methods: Linear regression models examined the associations of baseline DS and DD with estimated 10-year risk of CVD using the Atherosclerotic Cardiovascular Disease (ASCVD) risk score, adjusting for age, sex, race/ethnicity, education, income, diabetes duration, diabetes-related complications, and HbA1c.
Background/aims: We present and describe recruitment strategies implemented from 2013 to 2017 across 45 clinical sites in the United States, participating in the Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study, an unmasked, randomized controlled trial evaluating four glucose-lowering medications added to metformin in individuals with type 2 diabetes mellitus (duration of diabetes <10 years). We examined the yield of participants recruited through Electronic Health Records systems compared to traditional recruitment methods to leverage access to type 2 diabetes patients in primary care.
Methods: Site selection criteria included availability of the study population, geographic representation, the ability to recruit and retain a diverse pool of participants including traditionally underrepresented groups, and prior site research experience in diabetes clinical trials.
BMJ Open Diabetes Res Care
April 2023
Introduction: Type 2 diabetes mellitus (T2DM) is a powerful risk factor for cardiovascular disease (CVD), conferring a greater relative risk in women than men. We sought to examine sex differences in cardiometabolic risk factors and management in the contemporary cohort represented by the Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE).
Research Design And Methods: GRADE enrolled 5047 participants (1837 women, 3210 men) with T2DM on metformin monotherapy at baseline.
Diabetes Res Clin Pract
February 2023
Objective: We examined emotional distress in relation to metformin adherence, overall diabetes self-management, and glycemic control among adults with early type 2 diabetes (T2DM) enrolled in the GRADE study.
Methods: Linear regression models examined cross-sectional associations of baseline depression symptoms and diabetes distress with adherence to metformin, self-management, and HbA1c, adjusting for covariates. Cognitive-affective (e.
N Engl J Med
September 2022
Background: Data are lacking on the comparative effectiveness of commonly used glucose-lowering medications, when added to metformin, with respect to microvascular and cardiovascular disease outcomes in persons with type 2 diabetes.
Methods: We assessed the comparative effectiveness of four commonly used glucose-lowering medications, added to metformin, in achieving and maintaining a glycated hemoglobin level of less than 7.0% in participants with type 2 diabetes.
Objective: Differences in type 2 diabetes phenotype by age are described, but it is not known whether these differences are seen in a more uniformly defined adult population at a common early stage of care. We sought to characterize age-related clinical and metabolic characteristics of adults with type 2 diabetes on metformin monotherapy, prior to treatment intensification.
Research Design And Methods: In the Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE), participants were enrolled who had type 2 diabetes duration <10 years, had HbA1c 6.
Diabetes Res Clin Pract
February 2022
Aims: We evaluated differences in participants with type 2 diabetes (T2DM) enrolled in the GRADE study at VA vs non-VA sites, focusing on cardiovascular risk factors and rates of diabetes care target achievements.
Methods: We compared baseline characteristics between participants at VA (n = 1216) and non-VA (n = 3831) sites, stratifying analyses by cardiovascular disease (CVD) history.
Results: VA and non-VA participants had similar diabetes duration (4.
Diabetes Care
October 2021
Objective: Type 2 diabetes is a risk factor for cognitive impairment. We examined the relation of glycemia, lipids, blood pressure (BP), hypertension history, and statin use with cognition in the Glycemia Reduction Approaches in Diabetes: A Comparative Effectiveness Study (GRADE).
Research Design And Methods: Cross-sectional analyses from GRADE at baseline examined the association of glycemia (hemoglobin A [HbA]), LDL, systolic BP (SBP) and diastolic BP (DBP), hypertension history, and statin use with cognition assessed by the Spanish English Verbal Learning Test, letter and animal fluency tests, and Digit Symbol Substitution Test (DSST).