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AIMS/INTRODUCTION: PIONEER REAL Japan was a non-interventional prospective study of oral semaglutide in adults with type 2 diabetes in Japanese clinical practice. MATERIALS AND METHODS: Adults naïve to injectable glucose-lowering therapies initiated oral semaglutide in routine clinical practice and were followed for 34-44 weeks. The primary endpoint was change in glycated hemoglobin (HbA1c) from baseline to end of study; the co-primary endpoint was number of adverse events (AEs). Secondary endpoints included change in bodyweight from baseline to end of study. Analyses were also carried out for subgroups aged <75 and ≥75 years. RESULTS: A total of 624 participants initiated oral semaglutide; 578 completed the study. Mean baseline HbA1c and bodyweight were 7.7% and 72.4 kg, respectively. At end of study, estimated change (95% confidence interval [CI]) in HbA1c from baseline was -0.7 percentage points (-0.77, -0.61) overall, -0.8 percentage points (-0.86, -0.67) in the <75 years subgroup and -0.5 percentage points (-0.68, -0.41) in the ≥75 years subgroup (all P < 0.0001). Estimated change (95% CI) in bodyweight was -2.8 (-3.19, -2.50) kg overall, -2.9 (-3.38, -2.49) kg in the <75 years subgroup and - 2.7 (-3.18, -2.14) kg in the ≥75 years subgroup (all P < 0.0001). AEs occurred in 161 (25.8%) participants: 99 of 423 (23.4%) and 62 of 201 (30.8%) participants in the <75 and ≥75 years subgroups, respectively. Gastrointestinal AEs were the AEs most frequently leading to oral semaglutide discontinuation. CONCLUSIONS: In routine clinical practice, HbA1c and bodyweight were significantly reduced from baseline in adults initiating oral semaglutide, including those aged ≥75 years, with no new safety concerns.
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AIMS/INTRODUCTION: Sodium-glucose cotransporter 2 (SGLT2) inhibitors effectively and safely reduce fasting and postprandial hyperglycemia while promoting weight loss. However, their unique mechanism of action contributes to concerns regarding their safety. We therefore carried out a large-scale, non-commercial, investigator-initiated study on the safety and effectiveness of the SGLT2 inhibitor tofogliflozin. MATERIALS AND METHODS: This multicenter, open-label, uncontrolled, prospective observational study was carried out at hospitals and clinics across Japan in participants aged ≥20 years who were SGLT2 inhibitor-naïve and had an established diagnosis of type 2 diabetes. The primary endpoint was adverse drug reactions (ADRs) of special interest. Secondary endpoints included all other ADRs and adverse events, glycated hemoglobin (HbA1c), and weight loss. RESULTS: The study, carried out from June 2014 through February 2020, enrolled 11,480 participants from 1,103 medical institutions; 6,967 participants completed the 104-week follow up. The most common ADRs of special interest were urinary and genital tract infections (1.53%), followed by volume depletion (1.25%). Hypoglycemia occurred in 27 participants (0.24%), adverse events in 1,054 (9.18%) and ADRs in 645 (5.62%). HbA1c decreased by 0.85% (95% confidence interval 0.82%-0.88%) and bodyweight decreased by 3.05 kg (95% confidence interval 2.94-3.17 kg). The HbA1c target was achieved by 51.70% of participants for target HbA1c <7.0%, 85.3% for <8.0% and 5.4% for <6.0% at week 104. CONCLUSIONS: Tofogliflozin was associated with only mild or moderate ADRs characteristic of SGLT2 inhibitors, with no unpredictable, new, serious, or high-incidence adverse events or ADRs. This independent study confirmed the safety and effectiveness of tofogliflozin in adult type 2 diabetes patients.
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Aims: This randomized, open-label, parallel-group, controlled trial compared the effects of dulaglutide and trelagliptin on beta-cell function in patients with type 2 diabetes. Materials and methods: For 24 weeks, participants received dulaglutide (0.75 mg/week) or trelagliptin (100 mg/week), after which beta-cell function was evaluated using a glucagon stimulation test-based disposition index. The primary endpoint was the change in disposition index over the 24-week treatment period. Results: Fifty patients with type 2 diabetes who received metformin with or without basal insulin were randomized to receive dulaglutide or trelagliptin. Forty-eight patients completed the 24-week dulaglutide (n = 23) or trelagliptin (n = 25) treatment. The dulaglutide group reduced HbA1c levels more than the trelagliptin group (dulaglutide: - 0.77% ± 0.07% vs. trelagliptin: - 0.57% ± 0.07%; p = 0.04). Change in disposition index during the 24 weeks did not differ between the groups (dulaglutide: - 0.07 ± 1.08 vs. trelagliptin: + 0.59 ± 1.04; p = 0.66), but the dulaglutide group increased HOMA2-%ß levels more than the trelagliptin group (dulaglutide: + 26.2 ± 4.3% vs. trelagliptin: + 5.4 ± 4.1%; p = 0.001). The dulaglutide group showed greater body fat mass reduction than the trelagliptin group (dulaglutide: - 1.2 ± 0.3 kg vs. trelagliptin: - 0.3 ± 0.2 kg; p = 0.02) without skeletal muscle mass loss. Conclusion: Dulaglutide and trelagliptin had similar effects on beta-cell function according to the glucagon stimulation test-based disposition index. However, dulaglutide promoted improved HOMA2-%ß levels compared to trelagliptin and body fat mass was reduced without loss of skeletal muscle mass (UMIN-CTR 000024164). Supplementary Information: The online version contains supplementary material available at 10.1007/s13340-024-00717-6.
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Patients often present with severe fatty liver (FL) due to insulin deficiency at the onset of diabetic ketoacidosis (DKA). On the other hand, glycogenic hepatopathy (GH) is a possible cause of liver dysfunction in patients with DKA. We herein report a case of type 1 diabetes mellitus with severe FL at the onset of DKA, who demonstrated subsequent marked liver dysfunction after achieving an improvement of FL. As liver dysfunction persisted even after the FL improved, GH was suspected to be the cause of liver dysfunction. FL and GH have different prognoses and should therefore be differentiated using imaging studies and biopsies.
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We evaluated the effectiveness of a mobile health (mHealth) intervention for diabetic kidney disease patients by conducting a 12-month randomized controlled trial among 126 type 2 diabetes mellitus patients with moderately increased albuminuria (urinary albumin-to-creatinine ratio (UACR): 30-299 mg/g creatinine) recruited from eight clinical sites in Japan. Using a Theory of Planned Behavior (TPB) behavior change theory framework, the intervention provides patients detailed information in order to improve patient control over exercise and dietary behaviors. In addition to standard care, the intervention group received DialBetesPlus, a self-management support system allowing patients to monitor exercise, blood glucose, diet, blood pressure, and body weight via a smartphone application. The primary outcome, change in UACR after 12 months (used as a surrogate measure of renal function), was 28.8% better than the control group's change (P = 0.029). Secondary outcomes also improved in the intervention group, including a 0.32-point better change in HbA1c percentage (P = 0.041). These improvements persisted when models were adjusted to account for the impacts of coadministration of drugs targeting albuminuria (GLP-1 receptor agonists, SGLT-2 inhibitors, ACE inhibitors, and ARBs) (UACR: -32.3% [95% CI: -49.2%, -9.8%] between-group difference in change, P = 0.008). Exploratory multivariate regression analysis suggests that the improvements were primarily due to levels of exercise. This is the first trial to show that a lifestyle intervention via mHealth achieved a clinically-significant improvement in moderately increased albuminuria.
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INTRODUCTION: As treatment agents for diabetes, liraglutide is a long-acting glucagon-like peptide 1 receptor agonist, and dipeptidyl peptidase 4 (DPP4) inhibitors are widely used because of their safety and tolerability. Regular treatment with liraglutide has been reported to significantly reduce blood glucose levels, but the impact of low-dose (0.3 mg) liraglutide on blood glucose levels immediately after treatment switching from a DPP4 inhibitor remains unknown. METHODS: We conducted a single-arm, retrospective, observational study in 55 inpatients with type 2 diabetes (T2D) to investigate the changes (Δ) in their blood glucose levels at six time points (6-point) from the day before (day -1) to the day after (day 1) by switching the antidiabetic treatment from a DPP4 inhibitor to liraglutide 0.3 mg (low-dose liraglutide) once daily. We also attempted to identify factors associated with the blood glucose-lowering effects of liraglutide. RESULTS: The median values of the changes in fasting, preprandial, and postprandial blood glucose levels and the fluctuations in the blood glucose levels expressed as the standard deviation of the 6-point blood glucose levels were significantly lower on day 1 than on day -1 (P < 0.05, P < 0.0001, P < 0.0001, P < 0.01, respectively); there were no cases of severe hypoglycemia. The Δ blood glucose levels were not associated with the baseline serum hemoglobin A1c values or with any markers of the insulin secreting capacity. There were no associations between the previously used blood glucose-lowering drug and the Δ blood glucose levels. CONCLUSION: Switching from a DPP4 inhibitor to low-dose (0.3 mg) liraglutide once daily significantly reduced the blood glucose levels and excursions of the blood glucose levels even from the very day after the treatment switch, with no serious adverse events.
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BACKGROUND: Increasing physical activity improves glycemic control in patients with type 2 diabetes (T2D). Mobile health (mHealth) interventions have been proven to increase exercise, but engagement often fades with time. As the use of health behavior theory in mHealth design can increase effectiveness, we developed StepAdd, an mHealth intervention based on the constructs of social cognitive theory (SCT). StepAdd improves exercise behavior self-efficacy and self-regulation through the use of goal-setting, barrier-identifying, and barrier-coping strategies, as well as automatic feedback functions. A single-arm pilot study of StepAdd among 33 patients with T2D showed a large increase in step count (mean change of 4714, SD 3638 daily steps or +86.7%), along with strong improvements in BMI (mean change of -0.3 kg/m2) and hemoglobin A1c level (mean change of -0.79 percentage points). OBJECTIVE: In this study, we aim to investigate the efficacy and safety of StepAdd, an mHealth exercise support system for patients with T2D, via a large, long, and controlled follow-up to the pilot study. METHODS: This is a randomized, open-label, multicenter study targeting 160 patients with T2D from 5 institutions in Japan with a 24-week intervention. The intervention group will record daily step counts, body weight, and blood pressure using the SCT-based mobile app, StepAdd, and receive feedback about these measurements. In addition, they will set weekly step count goals, identify personal barriers to walking, and define strategies to overcome these barriers. The control group will record daily step counts, body weight, and blood pressure using a non-SCT-based placebo app. Both groups will receive monthly consultations with a physician who will advise patients regarding lifestyle modifications and use of the app. The 24-week intervention period will be followed by a 12-week observational period to investigate the sustainability of the intervention's effects. The primary outcome is between-group difference in the change in hemoglobin A1c values at 24 weeks. The secondary outcomes include other health measures, measurements of steps, measurements of other behavior changes, and assessments of app use. The trial began in January 2023 and is intended to be completed in December 2025. RESULTS: As of September 5, 2023, we had recruited 44 patients. We expect the trial to be completed by October 8, 2025, with the follow-up observation period being completed by December 31, 2025. CONCLUSIONS: This trial will provide important evidence about the efficacy of an SCT-based mHealth intervention in improving physical activities and glycemic control in patients with T2D. If this study proves the intervention to be effective and safe, it could be a key step toward the integration of mHealth as part of the standard treatment received by patients with T2D in Japan. TRIAL REGISTRATION: Japan Registry of Clinical Trials (JRCT) jRCT2032220603; https://rctportal.niph.go.jp/en/detail?trial_id=jRCT2032220603. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID): DERR1-10.2196/53514.
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INTRODUCTION: The real-world SPARTA Japan study confirmed the effectiveness and safety of the fixed-ratio combination of insulin glargine 100 U/mL plus lixisenatide (iGlarLixi) once daily over 6 months in Japanese people with type 2 diabetes (T2D). This post hoc analysis examined the impact of participant characteristics on the achievement of age-defined glycaemic targets with iGlarLixi therapy. METHODS: The retrospective, observational SPARTA Japan study included adults with T2D who initiated iGlarLixi. In this analysis, data from insulin-naïve and insulin-experienced participants were separately assessed to compare glycated haemoglobin (HbA1c), body weight and safety outcomes between those who achieved ('achieved' group) and those who did not achieve ('not-achieved' group) age-defined glycaemic targets after 6 months of iGlarLixi. The not-achieved group was further stratified by whether or not their iGlarLixi dose was increased during treatment. RESULTS: In total, 418 participants were included in this analysis (138 insulin naïve and 280 insulin experienced). Among both insulin-naïve and insulin-experienced participants, those in the achieved group were older and had lower baseline HbA1c than those in the not-achieved group. Compared with the not-achieved group, the achieved group showed significantly greater HbA1c reductions from baseline (in both insulin-naïve and insulin-experienced participants) and significantly greater body weight reductions (in insulin-naïve participants), despite some participants in the not-achieved group receiving significantly higher insulin glargine doses than those in the achieved group. In both insulin-naïve and insulin-experienced participants, the incidence of hypoglycaemia and gastrointestinal-related adverse events was similar in the achieved and not-achieved groups. In a multivariate analysis, glycaemic target achievement was significantly more likely in older individuals and those who lost weight during iGlarLixi treatment. CONCLUSIONS: Achievement of age-defined glycaemic targets with iGlarLixi treatment for 6 months was significantly affected by increased age and body weight loss, regardless of prior insulin exposure. TRIAL REGISTRATION: UMIN-CTR Trials Registry, UMIN000044126; registered 10 May 2021.
iGlarLixi is an injectable product used to treat type 2 diabetes that contains a fixed combination of two drugs, insulin glargine (at a concentration of 100 U/mL) and lixisenatide. The SPARTA Japan study investigated the effectiveness of controlling blood glucose levels and the safety of iGlarLixi in Japanese people when taken once daily for over 6 months as part of their routine medical care. The analysis reported in this article looked back at data from SPARTA Japan to assess whether certain characteristics of the people who took part in the study affected how well blood glucose targets were met. People who had previously taken insulin and those who had not were identified, and their results were assessed separately. The people were divided into those who had met their blood glucose level target (with the target defined as the glycated haemoglobin level for each person based on their age) and those who had not met their target. It was found that people who achieved their blood glucose target while receiving iGlarLixi were more likely to be older, to have had a lower glycated haemoglobin level before starting iGlarLixi, and to have lost weight during treatment than those who did not achieve their target, whether or not they had previously been treated with insulin. Side effects of excessively low blood glucose levels or gastrointestinal upset with iGlarLixi treatment occurred in a similar number of people who achieved or did not achieve their blood glucose target.
