Denne side blev automatisk oversat, og nøjagtigheden af ​​oversættelsen er ikke garanteret. Der henvises til engelsk version for en kildetekst.

Antihypertensive Medication Exposure as Risk for Impaired Glucose Tolerance: A PEAR Sub-Study

30. marts 2018 opdateret af: University of Florida
The purpose of this study is to determine if, in a subset of patients treated with a beta-blocker and diuretic, prediabetes is detectable to a greater extent through a 2-hour oral glucose tolerance test (OGTT) compared to fasting glucose measurement.

Studieoversigt

Status

Afsluttet

Intervention / Behandling

Detaljeret beskrivelse

Beta-blockers and diuretics have a well-established role in treating hypertension and are frequently used first-line. However, it is increasingly evident that these medications have harmful metabolic effects. The Pharmacogenomic Evaluation of Antihypertensive Responses (PEAR - NCT00246519) study was a greater than 700 participant, randomized, parallel assignment trial, aimed at determining the genetic factors that influence response to both a beta-blocker (atenolol) and a diuretic (hydrochlorothiazide [HCTZ]). The PEAR trial design includes evaluation at baseline, after monotherapy with either medication, and after combination therapy with both medications. This pilot, PEAR sub-study aims to characterize the ability of two diagnostics tests (fasting glucose versus glucose 2-hours after an OGTT) to detect prediabetes development prior to blood pressure medication use, after monotherapy (with atenolol or HCTZ) and after combination therapy (with atenolol and HCTZ).

Undersøgelsestype

Observationel

Tilmelding (Faktiske)

26

Kontakter og lokationer

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

Studiesteder

    • Florida
      • Gainesville, Florida, Forenede Stater, 32610
        • University of Florida Department of Community Health and Family Medicine

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 til 65 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Prøveudtagningsmetode

Ikke-sandsynlighedsprøve

Studiebefolkning

Primary care clinic, PEAR participants

Beskrivelse

Inclusion Criteria:

  • participation in PEAR:

    • an average seated home DBP > 85 mmHg and home SBP < 180 mmHg.
    • subjects must also have an average seated (> 5 minutes) clinic DBP between 90 mmHg and 110 mmHg and SBP < 180 mmHg.

Exclusion Criteria:

  • secondary forms of HTN,
  • patients currently treated with three or more antihypertensive drugs, isolated systolic HTN,
  • other diseases requiring treatment with BP lowering medications,
  • heart rate < 55 beats/min,
  • known cardiovascular disease (including history of angina pectoris, heart failure, presence of a cardiac pacemaker, history of myocardial infarction or revascularization procedure, or cerebrovascular disease, including stroke and TIA),
  • diabetes mellitus (Type 1 or 2),
  • renal insufficiency (serum creatinine > 1.5 in men or 1.4 in women),
  • primary renal disease,
  • pregnancy or lactation,
  • liver enzymes > 2.5 upper limits of normal,
  • current treatment with NSAIDS,
  • COX2-inhibitors,
  • oral contraceptives or estrogen.

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
PEAR Participants
All participants eligible for PEAR study. Each participant will be have fasting and oral glucose tolerance test data collected.
For assessment of dysglycemia, 75 grams of glucose solution by mouth at 3 PEAR study visits for all enrolled participants: baseline, single drug therapy assessment, and dual drug therapy assessment.
Andre navne:
  • OGTT
  • Glucosetolerancetest
  • Glucola
  • Glucose tolerance diagnostic test
  • Sugar beverage

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of Participants Diagnosed With Prediabetes or Normal Glucose, by 2 Measurements (Fasting Glucose Measurement and Glucose Measurement After a 2-hour Oral Glucose Tolerance Test [OGTT]), at Three Timepoints During Antihypertensive Treatment
Tidsramme: Baseline, 9 weeks, and 18 weeks after initiation of PEAR intervention(s)
A single cohort of patients was followed through participation in the parent study, PEAR, and had both fasting and 2-hour OGTT labs evaluated at three time points. At each of these time points the two methods for evaluating prediabetes were compared. Consistent with the definition for prediabetes recommended by the American Diabetes Association, a fasting glucose above 99mg/dL or 2-hour oral glucose tolerance test glucose above 139mg/dL was considered prediabetic for this study.
Baseline, 9 weeks, and 18 weeks after initiation of PEAR intervention(s)

Samarbejdspartnere og efterforskere

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

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.

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 2009

Primær færdiggørelse (Faktiske)

1. december 2010

Studieafslutning (Faktiske)

1. december 2010

Datoer for studieregistrering

Først indsendt

1. april 2010

Først indsendt, der opfyldte QC-kriterier

6. april 2010

Først opslået (Skøn)

7. april 2010

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

3. april 2018

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

30. marts 2018

Sidst verificeret

1. marts 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 Prædiabetisk tilstand

Kliniske forsøg med Oral glucose tolerance test

Abonner