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24-Hour Glycemia: Rosiglitazone Versus Glimepiride In Type 2 Diabetes

10. april 2009 opdateret af: GlaxoSmithKline

Comparison of the Effects of Rosiglitazone and Glimepiride, Both Given in Combination With Metformin, on 24-Hour Glycemia in Type 2 Diabetes Patients Not Controlled With Metformin Alone. A 3-Month Multicentre, Randomized, Parallel-Group, Open-Label Study.

A better glycemic control is associated with less complications (cardiac diseases, blindness, etcetera) for type 2 diabetic patients. The objective is to study if rosiglitazone may lead to a more regular glycemic pattern with less hyperglycemia and hypoglycemia episodes than with a sulphonylurea (glimepiride).

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

23

Fase

  • Fase 4

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

40 år til 80 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Males and females aged 40 to 80 years
  • Diagnosis of type 2 diabetes mellitus for at least 6 months
  • Body mass index (BMI) ≥25kg/m2
  • 7%≥HbA1c ≤ 9% at visit 2
  • Treatment with metformin between 1.7g/day and 3g/day for at least 12 weeks prior to visit 1
  • Female subjects must be non-pregnant, post-menopausal, surgically sterile or using effective contraceptive measures
  • Written informed consent

Exclusion Criteria:

  • Use of any oral antidiabetic drug other than metformin within 12 weeks prior to screening
  • Significant hypersensitivity to thiazolidinediones and sulfonylureas or compounds with similar chemical structure
  • Subjects who have required the use of insulin for glycaemic control at any time in the past or subject with a history of metabolic acidosis including diabetic ketoacidosis
  • Subjects with clinically significant ongoing oedema or with a history of oedema in the 12 months prior to visit 1
  • Subjects with a history of severe hypoglycaemia
  • Anemia defined by haemoglobin concentration <11.0g/dL for males or <10.0g/dL for females
  • Renal disease or renal dysfunction, e.g. as suggested by serum creatinine levels ≥135µmol/L in males and ≥110µmol/L in females
  • Presence of clinically significant hepatic disease (i.e. ALT, AST, total bilirubin or alkaline phosphatase >2.5 times the upper limit of the normal reference range)
  • Congestive heart failure (NYHA class I to IV), unstable or severe angina, recent myocardial infarction
  • Subjects with chronic diseases requiring periodic or intermittent treatment with oral or intravenous corticosteroids
  • Female who are lactating, pregnant, or planning to become pregnant
  • Any clinically significant abnormality identified at screening which in the judgement of the investigator makes the subject unsuitable for inclusion in the study (e.g. physical examination, laboratory test, ECG, ...)
  • Use of any investigational agent within 30 days or 5 half-lives (whichever is longer) prior to enrolment in this study
  • Active alcohol, drug or medication abuse within the last 6 months or any condition that would indicate the likelihood of poor subject compliance
  • Subjects not willing to comply with the procedures described in this protocol.

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Duration of Hyperglycaemia (>126 mg/dL) in Hours at Baseline Compared to After 12 Weeks on Treatment
Tidsramme: Baseline and 12 weeks
Continuous Glycemic Monitoring System, Medtronic (CGMS®) System Gold downloads data to a computer for evaluation of glucose variations.
Baseline and 12 weeks
Episodes of Hyperglycaemia (>126 mg/dL) at Baseline Compared to After 12 Weeks on Treatment
Tidsramme: Baseline and 12 weeks
Continuous Glycemic Monitoring System, Medtronic (CGMS®) System Gold downloads data to a computer for evaluation of glucose variations.
Baseline and 12 weeks

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Duration of Severe Hyperglycaemia (>150 mg/dL) in Hours at Baseline Compared to After 12 Weeks on Treatment
Tidsramme: Baseline and 12 weeks
Continuous Glycemic Monitoring System, Medtronic (CGMS®) System Gold downloads data to a computer for evaluation of glucose variations.
Baseline and 12 weeks
Episodes of Severe Hyperglycaemia (>150 mg/dL) at Baseline Compared to After 12 Weeks on Treatment
Tidsramme: Baseline and 12 weeks
Continuous Glycemic Monitoring System, Medtronic (CGMS®) System Gold downloads data to a computer for evaluation of glucose variations.
Baseline and 12 weeks
Duration of Hypoglycaemia (<80 mg/dL) in Hours at Baseline Compared to After 12 Weeks on Treatment
Tidsramme: Baseline and 12 weeks
Continuous Glycemic Monitoring System, Medtronic (CGMS®) System Gold downloads data to a computer for evaluation of glucose variations.
Baseline and 12 weeks
Episodes of Hypoglycaemia (<80 mg/dL) at Baseline Compared to After 12 Weeks on Treatment
Tidsramme: Baseline and 12 weeks
Continuous Glycemic Monitoring System, Medtronic (CGMS®) System Gold downloads data to a computer for evaluation of glucose variations.
Baseline and 12 weeks
Duration of Hypoglycaemia (<60 mg/dL) in Hours at Baseline Compared to After 12 Weeks on Treatment
Tidsramme: Baseline and 12 weeks
Continuous Glycemic Monitoring System, Medtronic (CGMS®) System Gold downloads data to a computer for evaluation of glucose variations.
Baseline and 12 weeks
Episodes of Hypoglycaemia (<60 mg/dL) at Baseline Compared to After 12 Weeks on Treatment
Tidsramme: Baseline and 12 weeks
Continuous Glycemic Monitoring System, Medtronic (CGMS®) System Gold downloads data to a computer for evaluation of glucose variations.
Baseline and 12 weeks
HbA1c (Glycosylated Hemoglobin)
Tidsramme: Baseline and 12 weeks
Uncontrolled HbA1c>8.5%. HbA1c and fasting blood glucose taken at hospital
Baseline and 12 weeks
8-Iso Prostaglandin F2α (8-iso PGF2α) Excretion Rate
Tidsramme: Baseline and 12 weeks
8-Iso Prostaglandin F2α (8-iso PGF2α) excretion rate measured during the 24 hours preceding the CGM system removal. The nocturnal glycemia measured by CGM system will be defined as the average of glycemic values collected between midnight and breakfast time.
Baseline and 12 weeks
Glycaemia According to CGMS (Nocturnal), mg/dL
Tidsramme: Baseline and 12 weeks
Continuous Glycemic Monitoring System, Medtronic (CGMS®) System Gold downloads data to a computer for evaluation of glucose variations.The nocturnal glycemia measured by CGM system will be defined as the average of glycemic values collected between midnight and breakfast time.
Baseline and 12 weeks
Glycaemia According to CGMS (Diurnal), mg/dL
Tidsramme: Baseline and 12 weeks
Continuous Glycemic Monitoring System, Medtronic (CGMS®) System Gold downloads data to a computer for evaluation of glucose variations.The diurnal glycemia measured by CGM system will be the average of glycemic values recorded between breakfast time and midnight.
Baseline and 12 weeks
Glycaemia According to CGMS (Dawn), mg/dL
Tidsramme: Baseline and 12 weeks
Continuous Glycemic Monitoring System, Medtronic (CGMS®) System Gold downloads data to a computer for evaluation of glucose variations.The glycemia "at dawn" measured by CGM system will be defined as the average of glycemic values recorded between 4 AM and breakfast time.
Baseline and 12 weeks
Glycaemia According to CGMS (Total Area Under the Curve (AUC) for Values Above 1 mg/dL), mg/dL
Tidsramme: Baseline and 12 weeks
Continuous Glycemic Monitoring System, Medtronic (CGMS®) System Gold downloads data to a computer for evaluation of glucose variations. The concentrations of glucose will be assessed from the AUC calculations on glycaemic values measured by CGM system.
Baseline and 12 weeks
Glycaemia According to CGMS (Postprandial Incremental AUC or Values Above 1 mg/dL), mg/dL
Tidsramme: Baseline and 12 weeks
Continuous Glycemic Monitoring System, Medtronic (CGMS®) System Gold downloads data to a computer for evaluation of glucose variations. The concentrations of glucose will be assessed from the AUC calculations on glycaemic values measured by CGM system.
Baseline and 12 weeks
Glycaemia According to CGMS (Basal Incremental AUC or Values Above 1 mg/dL), mg/dL
Tidsramme: Baseline and 12 weeks
Continuous Glycemic Monitoring System, Medtronic (CGMS®) System Gold downloads data to a computer for evaluation of glucose variations. The concentrations of glucose will be assessed from the AUC calculations on glycaemic values measured by CGM system.
Baseline and 12 weeks
Glycaemia According to CGMS (MAGE), mg/dL
Tidsramme: Baseline and 12 weeks
Calculation of the Mean amplitude of glycemic excursion (MAGE) was obtained by measuring the arithmetic mean of the major glucose concentration increases or decreases on days 2 and 3 of glycaemic profile and then averaging results on the two days.
Baseline and 12 weeks

Samarbejdspartnere og efterforskere

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

Sponsor

GlaxoSmithKline

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.

Generelle publikationer

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. november 2005

Primær færdiggørelse (Faktiske)

1. oktober 2007

Studieafslutning (Faktiske)

1. oktober 2007

Datoer for studieregistrering

Først indsendt

25. april 2006

Først indsendt, der opfyldte QC-kriterier

25. april 2006

Først opslået (Skøn)

27. april 2006

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

7. maj 2009

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

10. april 2009

Sidst verificeret

1. april 2009

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 104988
  • AVAF4003

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 .

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