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Phenotyping Individuals With Neo-diagnosed Type 2 Diabetes at Risk for All-cause Mortality

29 de junho de 2020 atualizado por: Anna Solini, University of Pisa

Determining All Cause Morality and Cardiovascular Mortality Risk in Individuals With Neo-diagnosed Type 2 Diabetes

Prevalence of type 2 diabetes (T2D) is increasing worldwide over the last two decades; in these patients the rate of all-cause and cardiovascular (CV) mortality is several folds higher than in the general population, configuring a major public health problem. The clinical phenotype is the main determinant of such high mortality risk; however, a relevant role is played by the disease duration, with a significant interaction with metabolic control. However, for T2D the diagnosis does not correspond to the true onset of the disease, and a high lethality rate also in patients with recent onset of the disease cannot be excluded. Robust evidence supports this hypothesis, showing as in subjects with new-onset T2D, the mortality risk is superimposable, and even higher, than that observed in people with overt and long-term T2D. In this complex scenario, it would be desirable an early identification of high-risk patients, in which an accurate estimation of risk of complications, coupled with appropriate and timely interventions, might help in reducing the risk of encountering premature mortality. The present study was design to address this specific issue.

Visão geral do estudo

Status

Concluído

Intervenção / Tratamento

Descrição detalhada

Patients referring for the first time to the outpatient diabetes clinic in the department of Internal Medicine between January 2008 and December 2015 and matching the inclusion criteria were recruited.

Diagnosis was confirmed on the basis of the Oral Glucose Tolerance Test (OGTT) or HbA1c ≥6.5% plus fasting blood glucose ≥126 mg/dl.

Anthropometric measurements were recorded, arterial pressure and vital parameters were registered, and blood samples were collected for routine analyses. Complete blood count, glucose, HbA1c, Serum Glutamic Oxaloacetic Transaminase (sGOT), Serum Glutamic Pyruvic Transaminase (sGPT), uric acid, were determined by standard techniques. Total and HDL cholesterol and triglycerides were assayed through the automated spectrophotometer, enzymatic colorimetric method, COBAS INTEGRA using commercial kits (Roche Diagnostics). Serum creatinine was measured by Jaffe' method, and estimated glomerular filtration rate (eGFR) was calculated according to the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) formula.

Previous major acute CV events, including myocardial infarction, stroke, foot ulcer/gangrene/amputation and coronary, carotid and lower limb revascularisation, were adjudicated based on hospital discharge records.

At the end of the baseline visit, patients were treated according to the good clinical practice recommended by the international guidelines, and followed a six-month or an yearly calendar of follow-up visits, until death or until 31 December 2018. All-cause mortality was assessed by checking the vital status of study participants on 31 December 2018; to this aim, investigators interrogated the Italian Health Card database, which provides updated information on all current Italian residents.

Incident major acute cardiovascular events were registered on the basis of clinical records every year; retinopathy onset was assessed by fundoscopy on a yearly basis.

Tipo de estudo

Observacional

Inscrição (Real)

300

Contactos e Locais

Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.

Locais de estudo

      • Pisa, Itália, 56125
        • University of Pisa

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

30 anos a 85 anos (Adulto, Adulto mais velho)

Aceita Voluntários Saudáveis

Não

Gêneros Elegíveis para o Estudo

Tudo

Método de amostragem

Amostra Não Probabilística

População do estudo

Patients referring for the first time to the outpatient diabetes clinic in the department of Internal Medicine between January 2008 and December 2015 and matching the inclusion criteria.

Descrição

Inclusion Criteria:

  • age ≥30 years
  • personal history of known T2D lasting not more than six months
  • diagnosis confirmed on the basis of the OGTT or HbA1c ≥6.5% plus fasting blood glucose ≥126 mg/dl

Exclusion Criteria:

  • longstanding disease duration
  • type 1 diabetes
  • diabetes secondary to steroid therapy
  • active cancer

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Modelos de observação: Coorte
  • Perspectivas de Tempo: Prospectivo

Coortes e Intervenções

Grupo / Coorte
Intervenção / Tratamento
Patients with neo-diagnosed type 2 diabetes
Patients referring for the first time to the outpatient diabetes clinic in the department of Internal Medicine between January 2008 and December 2015 and matching the inclusion criteria.
patients were treated according to the good clinical practice recommended by the international guidelines, and followed a six-month or an yearly calendar of follow-up visits

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Number of participants who died during the study
Prazo: At 31 December 2018
The number of participants who died during the study was assessed by checking the vital status of study participants on 31 December 2018; to this aim, we interrogated the Italian Health Card database, which provides updated information on all current Italian residents.
At 31 December 2018
Incidence of cardiovascular disease
Prazo: At 31 December 2018
Incident major acute cardiovascular events were registered on the basis of clinical records every year
At 31 December 2018
Incidence of microvascular complication
Prazo: At 31 December 2018
Retinopathy onset was assessed by fundoscopy on a yearly basis.
At 31 December 2018

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Change of renal function through study completion (an average of 5 year)
Prazo: From baseline until the end of observation or the date of death from any cause, whichever came first, assessed up to 60 months.
Serum creatinine was measured by Jaffe' method and expressed by mg/dl. It was used to calculate eGFR according to the CKD-EPI formula.
From baseline until the end of observation or the date of death from any cause, whichever came first, assessed up to 60 months.
Change of blood glucose through study completion (an average of 5 year)
Prazo: From baseline until the end of observation or the date of death from any cause, whichever came first, assessed up to 60 months.
Blood glucose was expressed in mg/dl and was determined by standard techniques.
From baseline until the end of observation or the date of death from any cause, whichever came first, assessed up to 60 months.
Change of HbA1c through study completion (an average of 5 year)
Prazo: From baseline until the end of observation or the date of death from any cause, whichever came first, assessed up to 60 months.
HbA1c was expressed as percentage or mmol/l and was determined by standard techniques.
From baseline until the end of observation or the date of death from any cause, whichever came first, assessed up to 60 months.

Colaboradores e Investigadores

É aqui que você encontrará pessoas e organizações envolvidas com este estudo.

Patrocinador

Publicações e links úteis

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Publicações Gerais

Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo (Real)

1 de janeiro de 2008

Conclusão Primária (Real)

31 de dezembro de 2015

Conclusão do estudo (Real)

31 de dezembro de 2018

Datas de inscrição no estudo

Enviado pela primeira vez

7 de maio de 2020

Enviado pela primeira vez que atendeu aos critérios de CQ

29 de junho de 2020

Primeira postagem (Real)

1 de julho de 2020

Atualizações de registro de estudo

Última Atualização Postada (Real)

1 de julho de 2020

Última atualização enviada que atendeu aos critérios de controle de qualidade

29 de junho de 2020

Última verificação

1 de junho de 2020

Mais Informações

Termos relacionados a este estudo

Plano para dados de participantes individuais (IPD)

Planeja compartilhar dados de participantes individuais (IPD)?

Não

Informações sobre medicamentos e dispositivos, documentos de estudo

Estuda um medicamento regulamentado pela FDA dos EUA

Não

Estuda um produto de dispositivo regulamentado pela FDA dos EUA

Não

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