Trial reportPloS one2026
Search for the glycated hemoglobin target minimizing mortality among people with type 2 diabetes with rare incidence of treatment-related severe hypoglycemia - Epidemiologic analysis of J-DOIT3 randomized controlled trial.
Trial report in PloS one, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT00300976 (), which is not on this map. Not yet cited in PubMed.
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The trial behind it
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(Intervention Study) A Randomized Controlled Study of the Intensive Therapy and the Conventional Therapy for the Suppression of the Vascular Complications in the Type 2 Diabetic Patients (Follow-up Study) A Randomized Controlled Study Comparing Intensive Therapy and Conventional Therapy in the Reduction of Vascular Complications in Type 2 Diabetic Patients: A Follow-up Study After Intervention
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12 authors.
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Abstract
objectivesIn recent years, with the considerable changes in the therapeutic armamentarium for diabetes, the incidence of hypoglycemia events, especially severe hypoglycemia events, associated with drug treatment in people with diabetes has markedly decreased. We were prompted to evaluate the threshold for each intervention target, especially glycemic control, associated with a minimized risk of the macrovascular complications of diabetes in this setting.
methodsIn the Japan Diabetes Optimal Integrated Treatment study for 3 major risk factors of cardiovascular diseases (J-DOIT3) conducted by us previously, we recruited 2542 participants and assigned them to a conventional therapy group (n = 1271) and an intensive therapy group (n = 1271; two ineligible participants were removed from all analyses afterwards), and the incidence of severe hypoglycemia events was low in both groups (7 in the intensive therapy group and 4 in the conventional therapy group during a median 8.5 years' follow-up). Towards the objective of this study, we undertook a landmark analysis with a landmark time-point of 1 year after the baseline of the J-DOIT3 study. Then, using the updated mean values of the glycated hemoglobin (HbA1c), systolic blood pressure, and LDL-cholesterol and HDL-cholesterol levels, we determined the optimal levels of each of these variables associated with the lowest hazard ratios for outcomes, including the primary and cardiovascular outcomes.
resultsFor glycemic control, our results revealed no clear lower threshold of the glycated hemoglobin associated with the lowest risk of myocardial infarction or all-cause mortality; for other risk factors, it might be an important treatment target to maintain the LDL-cholesterol levels at below 80 mg/dL to minimize the risk of stroke.
conclusionsThe present analysis suggested that the treatment target for HbA1c to minimize the risk of all-cause mortality in participants with diabetes with a low incidence of severe hypoglycemia episodes could be < 6.5% (ClinicalTrials.gov, number NCT00300976).
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