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Predicting Response to Incretin Based Agents in Type 2 Diabetes (PRIBA)

17. april 2018 opdateret af: Angus Jones, Royal Devon and Exeter NHS Foundation Trust

Does Urinary C-peptide Creatinine Ratio Predict Response to Incretin Based Agents in Type 2 Diabetes

Type 2 diabetes is a major and rapidly increasing health problem worldwide. Keeping the blood glucose (sugar) from going too high helps prevent complications. Recently a number of new treatments (collectively called 'incretin based' treatments) to lower blood glucose have become available but response is very variable and it is difficult to predict which will work for an individual. The investigators want to see if we can identify whether the new treatments are likely to be effective for an individual patient. Identifying the right treatment would improve control and minimise the side-effects and costs from ineffective treatments. We will collect blood (for measures of blood glucose, insulin secretion and genetics information), urine (for a simple measurement of insulin secretion) and other clinical information (such as weight,age, duration of diabetes and medication) in people who are about to start these new 'incretin based' treatments and assess their response over the first 6 months of treatment. We will analyse this information to see if we can predict treatment response.

Study Hypothesis:

The investigators hypothesise that those who have low insulin secretion, as measured by post meal urine C-peptide Creatinine Ratio or blood C-peptide, will have poor blood glucose response to incretin based treatments.

Studieoversigt

Status

Afsluttet

Betingelser

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

957

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

      • Bournmouth, Det Forenede Kongerige, BH7 7DW
        • The Royal Bournmouth and Christchurch Hospitals NHS Trust
      • Bristol, Det Forenede Kongerige, BS10 5NB
        • North Bristol NHS Trust
      • Ipswich, Det Forenede Kongerige, IP4 5PD
        • Ipswich Hospital NHS Trust
      • Northampton, Det Forenede Kongerige, NN15BD
        • Northampton General Hospital NHS Trust
      • Oxford, Det Forenede Kongerige, OX3 9DU
        • Oxford Radcliffe Hospitals NHS Trust
      • Portsmouth, Det Forenede Kongerige, PO6 3LY
        • Portsmouth Hospitals NHS Trust
      • Redhill, Det Forenede Kongerige, RH1 5RH
        • Surrey and Sussex Healthcare NHS Trust
      • St Leonards-on-Sea, Det Forenede Kongerige, TN37 7RD
        • East Sussex Healthcare Nhs Trust
      • Stoke on Trent, Det Forenede Kongerige, ST4 7LN
        • University Hospitls North Staffordshire NHS Trust
      • Warwick, Det Forenede Kongerige, CV34 5BW
        • South Warwickshire NHS Foundation Trust
      • Watford, Det Forenede Kongerige, WD18 0HB
        • West Hertfordshire Hospitals NHS Trust
    • Cornwall
      • Truro, Cornwall, Det Forenede Kongerige, TR13HD
        • Cornwall and Isles of Scilly NHS Primary Care Trust
    • Devon
      • Barnstaple, Devon, Det Forenede Kongerige, EX314JB
        • North Devon NHS Trust
      • Exeter, Devon, Det Forenede Kongerige, EX25DW
        • Royal Devon and Exeter NHS Foundation Trust
      • Plymouth, Devon, Det Forenede Kongerige, PL68DH
        • Plymouth Hospitals NHS Trust
      • Torbay, Devon, Det Forenede Kongerige, TQ27AA
        • South Devon Healthcare NHS Foundation Trust
    • Somerset
      • Taunton, Somerset, Det Forenede Kongerige, BA228HR
        • Taunton and Somerset NHS Foundation Trust.
      • Yeovil, Somerset, Det Forenede Kongerige, BA21 4AT
        • Yeovil Disctrict Hospital NHS Foundation Trust

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Patients with type 2 Diabetes commencing DPP-IV inhibitors or GLP-1 agonsists in primary or secondary care in England

Beskrivelse

Inclusion Criteria:

  • A clinical diagnosis of type 2 diabetes mellitus where the patient's clinician has determined the need for a DPP-IV inhibitor or GLP-1 analogue as a result of inadequate glycaemic control
  • HbA1c >= 58mmol/mol

Exclusion Criteria:

  • Treatment with DPP-IV inhibitors or GLP-1 analogues prior to study initiation (within the previous 3 months)
  • Renal failure as shown by a eGFR (estimated glomerular filtration rate) less than 30 mL/min/1.73m2

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

Kohorter og interventioner

Gruppe / kohorte
Intervention / Behandling
Patients starting incretin treatments
Patients starting GLP-1 agonists or DPPIV inhibitors as part of their normal clinical care.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Glycaemic response (HbA1c change post treatment)
Tidsramme: 6 months
Change in HbA1c over 6 months treatment (as a continuous variable and/or defined as binary response/non response). Our Primary analysis will be the relationship between insulin secretion (as measured by blood C-peptide or UCPCR) and glycaemic response. Secondary analysis will include examination of relationship between baseline weight, HbA1c, age, duration of diabetes, HOMA B, HOMA IR, autoantibody (GAD, IA2) status and glycaemic response. We will also examine the relationship between glycaemic response and polymorphisms in GLP-1R, TCF7L2, WFS1 and FOX01 genes.
6 months

Sekundære resultatmål

Resultatmål
Tidsramme
Weight change over 6 months treatment
Tidsramme: 6 months
6 months

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Efterforskere

  • Studieleder: Andrew T Hattersley, University of Exeter Medical School/Royal Devon and Exeter Hospital NHS Foundation Trust
  • Ledende efterforsker: Angus Jones, University of Exeter Medical School/Royal Devon and Exeter Hospital NHS Foundation Trust

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Hjælpsomme links

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart

1. maj 2011

Primær færdiggørelse (Faktiske)

1. april 2014

Studieafslutning (Faktiske)

1. april 2014

Datoer for studieregistrering

Først indsendt

30. december 2011

Først indsendt, der opfyldte QC-kriterier

30. december 2011

Først opslået (Skøn)

2. januar 2012

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

19. april 2018

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

17. april 2018

Sidst verificeret

1. april 2018

Mere information

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med Type 2 diabetes

Kliniske forsøg med Ingen intervention, observationsundersøgelse

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