Dataset Information

Treatment patterns and glycated haemoglobin levels over 36 months in individuals with type 2 diabetes initiating second-line glucose-lowering therapy: The global DISCOVER study.

ABSTRACT:

Aims

To describe glucose-lowering treatment regimens and glycated haemoglobin (HbA1c) trajectories in individuals with type 2 diabetes (T2D) over 36 months of follow-up from the start of second-line therapy.

Materials and methods

This data analysis from the 3-year, observational DISCOVER study programme included 14 687 participants from 37 countries with T2D initiating second-line glucose-lowering therapy. Treatment and HbA1c data were collected at baseline (start of second-line therapy) and at 6, 12, 24 and 36 months. Treatment regimen changes over follow-up were analysed using the McNemar test, with carry-forward imputation for intermediate missing values.

Results

A total of 11 592 participants had treatment data at baseline and 36 months, and 11 882 had HbA1c data at baseline. At baseline and 36 months, respectively, rates of oral monotherapy use were 12.1% and 12.4% (P = 0.22), rates of dual oral therapy use were 63.4% and 47.6% (P < 0.0001), rates of ≥ triple oral therapy use were 17.5% and 25.4% (P < 0.0001), and rates of injectable treatment use were 7.0% and 13.7% (P < 0.0001). Use of injectable drugs was most common among participants with an HbA1c level ≥64 mmol/mol (≥8.0%). Overall, 42.9% of participants changed treatment during follow-up. Mean HbA1c levels at baseline and 6 months were 67 mmol/mol (8.3%) and 55 mmol/mol (7.2%), respectively, remaining stable thereafter.

Conclusions

Dual oral therapy was the most common treatment regimen at the start of second-line treatment, and over half of the participants remained on the same treatment during follow-up.

SUBMITTER: Charbonnel BH

PROVIDER: S-EPMC10087302 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature

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Publications

Treatment patterns and glycated haemoglobin levels over 36 months in individuals with type 2 diabetes initiating second-line glucose-lowering therapy: The global DISCOVER study.

Charbonnel Bernard H BH Chen Hungta H Cid-Ruzafa Javier J Cooper Andrew A Fenici Peter P Gomes Marilia B MB Saraiva Gabriela L GL Medina Jesús J Nicolucci Antonio A Shestakova Marina V MV Shimomura Iichiro I Surmont Filip F Tang Fengming F Vora Jiten J Watada Hirotaka H Khunti Kamlesh K

Diabetes, obesity & metabolism 20220916 1

<h4>Aims</h4>To describe glucose-lowering treatment regimens and glycated haemoglobin (HbA1c) trajectories in individuals with type 2 diabetes (T2D) over 36 months of follow-up from the start of second-line therapy.<h4>Materials and methods</h4>This data analysis from the 3-year, observational DISCOVER study programme included 14 687 participants from 37 countries with T2D initiating second-line glucose-lowering therapy. Treatment and HbA1c data were collected at baseline (start of second-line t ...[more]

PMID: 36111434

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Project description:ObjectivesTo evaluate the extent to which patients with type 2 diabetes discontinue metformin therapy when initiating second-line treatment and factors associated with metformin discontinuation, using baseline data from the DISCOVER study programme.DesignDISCOVER is a 3-year, prospective, observational study programme including data from 38 countries across 6 continents from 2014 to 2019.SettingPrimary and secondary healthcare centres, hospitals and specialist diabetes centres in both urban and rural locations.ParticipantsA total of 15 992 patients with type 2 diabetes initiating second-line glucose-lowering therapy.Primary and secondary outcome measuresThe proportion of patients who discontinued metformin as a second-line therapy and the factors associated with this treatment change.ResultsOf the 14 668 patients (from 37 countries) with valid treatment data, 11 837 (80.7%) received metformin as first-line glucose-lowering therapy; 8488 (71.7%) received metformin monotherapy and 3349 (28.3%) received metformin as part of a combination therapy. Overall, treatment with metformin was discontinued in 15.1% (1782) of patients who received first-line metformin (14.1% (1194) and 17.6% (588) in those who received metformin as monotherapy and as part of a combination, respectively); this proportion varied across regions from 6.9% (54) in Africa to 20.6% (628) in South-East Asia. On metformin discontinuation, 73.6% (1311) of patients received a non-insulin monotherapy at second line. Factors associated with an increased odds of metformin discontinuation were older age (≥75 years) and having a history of chronic kidney disease. The probability of metformin monotherapy discontinuation was lower in patients from Africa than in those from Europe.ConclusionsA substantial number of patients discontinued taking metformin when beginning second-line therapy. Most of these patients subsequently received a non-insulin monotherapy at second line, in contradiction to international guidelines and potentially leaving them at an increased risk of hyperglycaemia and associated adverse outcomes.Trial registration numbersNCT02322762 and NCT02226822.

Project description:IntroductionJ-DISCOVER is a prospective, observational cohort study that aimed to understand characteristics, glycaemic control, comorbidities and real-world management of patients with early-stage type 2 diabetes mellitus (T2DM) in Japan, by enrolling patients initiating second-line treatment from both diabetes specialist and non-specialist care settings.MethodsAs part of the global DISCOVER programme, J-DISCOVER enrolled 1798 patients with T2DM aged at least 20 years old from 142 sites across Japan, from September 2014 to December 2015, and followed these patients for 3 years. Glycaemic control, body mass index (BMI), blood pressure, lipid profiles, treatment patterns, and prevalence of CKD and retinopathy were examined from baseline to 6, 12, 24 and 36 months, stratified by class of second-line treatment.ResultsAt baseline, the median time after T2DM diagnosis was 3.1 years and mean glycated haemoglobin (HbA1c) was 7.7%. The mean individualized HbA1c target was 6.7 ± 0.5%, and 55.3% of patients were set the target of < 7.0%. HbA1c reductions were noted from 6 months and mean HbA1c was 7.1% at 36 months. The proportion of patients with HbA1c < 7.0% increased from 28.8% at baseline to 53.3% at 36 months, and the achievement rate of individualized HbA1c targets increased from 6.1% to 30.3%. Only two cases of severe hypoglycaemia occurred during the study. No major changes in BMI, blood pressure, lipid profile or prescription of antihypertensive or dyslipidaemia medications were observed. The frequencies of screening to detect retinopathy and chronic kidney disease (CKD) were 17.0-21.0% and 14.5-16.0%, respectively, during the follow-up period. The prevalence of CKD, but not retinopathy, increased over the follow-up period.ConclusionsThis study provided an overview of the 3-year management of early-stage T2DM in patients initiating second-line treatment. Contemporary management improved glycaemic control with an acceptable risk-benefit balance, although hurdles remain to sufficient implementation of guideline-recommended treatments in current clinical practice.Trial registrationClinicalTrials.gov identifier, NCT02226822.

Dataset Information

Treatment patterns and glycated haemoglobin levels over 36 months in individuals with type 2 diabetes initiating second-line glucose-lowering therapy: The global DISCOVER study.

Aims

Materials and methods

Results

Conclusions

Publications

Treatment patterns and glycated haemoglobin levels over 36 months in individuals with type 2 diabetes initiating second-line glucose-lowering therapy: The global DISCOVER study.

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