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

29 giugno 2020 aggiornato da: 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.

Panoramica dello studio

Stato

Completato

Intervento / Trattamento

Descrizione dettagliata

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 di studio

Osservativo

Iscrizione (Effettivo)

300

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

      • Pisa, Italia, 56125
        • University of Pisa

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

Da 30 anni a 85 anni (Adulto, Adulto più anziano)

Accetta volontari sani

No

Sessi ammissibili allo studio

Tutto

Metodo di campionamento

Campione non probabilistico

Popolazione di studio

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.

Descrizione

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

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Modelli osservazionali: Coorte
  • Prospettive temporali: Prospettiva

Coorti e interventi

Gruppo / Coorte
Intervento / Trattamento
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

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Number of participants who died during the study
Lasso di tempo: 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
Lasso di tempo: 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
Lasso di tempo: At 31 December 2018
Retinopathy onset was assessed by fundoscopy on a yearly basis.
At 31 December 2018

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Change of renal function through study completion (an average of 5 year)
Lasso di tempo: 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)
Lasso di tempo: 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)
Lasso di tempo: 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.

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Pubblicazioni e link utili

La persona responsabile dell'inserimento delle informazioni sullo studio fornisce volontariamente queste pubblicazioni. Questi possono riguardare qualsiasi cosa relativa allo studio.

Pubblicazioni generali

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

1 gennaio 2008

Completamento primario (Effettivo)

31 dicembre 2015

Completamento dello studio (Effettivo)

31 dicembre 2018

Date di iscrizione allo studio

Primo inviato

7 maggio 2020

Primo inviato che soddisfa i criteri di controllo qualità

29 giugno 2020

Primo Inserito (Effettivo)

1 luglio 2020

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

1 luglio 2020

Ultimo aggiornamento inviato che soddisfa i criteri QC

29 giugno 2020

Ultimo verificato

1 giugno 2020

Maggiori informazioni

Termini relativi a questo studio

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

No

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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