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Multiple Dose Effects of Hydrochlorothiazide and Isosorbide Mononitrate on Glucose Homeostasis (MK-0000-117)(Completed)

22. Juli 2015 aktualisiert von: Merck Sharp & Dohme LLC

A Randomized, Double-Blind, Placebo-Controlled, 2-Part Study to Evaluate the Multiple Dose Effects of Hydrochlorothiazide and Isosorbide Mononitrate on Glucose Homeostasis in Obese Patients With Hypertension

This study will measure and compare changes in insulin production and sensitivity using the hyperglycemic clamp technique in obese patients with impaired glucose tolerance and hypertension treated with placebo, isosorbide mononitrate (ISMN) or hydrochlorothiazide (HCTZ).

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Studientyp

Interventionell

Einschreibung (Tatsächlich)

64

Phase

  • Phase 1

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

35 Jahre bis 75 Jahre (Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Nein

Studienberechtigte Geschlechter

Alle

Beschreibung

Inclusion Criteria:

  • Female participants must be post-menopausal
  • Body Mass Index (BMI) of at least 29 kg/m^2
  • Weight has been stable over the past 3 months
  • Has never been treated for hypertension or is diagnosed with hypertension taking up to 2 anti-hypertensive medications
  • Willing to stop hypertension treatment for 14 days prior to randomization and throughout the study
  • Does not have a history of diabetes
  • In good health with the exception of hypertension
  • No history of abnormal heart rhythms
  • Part I only: willing to comply with high potassium/low sodium diet for the duration of the study
  • Willing to avoid strenuous physical activity during the study
  • Nonsmoker and/or has not used nicotine for at least 3 months and agrees to refrain from use of tobacco-containing products throughout the study
  • Agrees to refrain from consuming alcohol and caffeine during in-patient periods and to limit consumption at all other times during the study
  • Agrees not to consume grapefruit, grapefruit products, and citrus, apple, and pineapple juices 2 weeks prior to administration of the first dose of study drug

Exclusion Criteria:

  • History of any illness that may make their participation in the study unsafe or confuse the study results
  • Taking spironolactone or eplerenone
  • Cannot refrain from using any prescription or non-prescription drugs during the study
  • On a weight loss program and is not in the maintenance phase
  • Started a weight loss drug within 8 weeks of the first study visit
  • Consumes excessive amounts of alcohol or caffeine
  • Has had major surgery, donated or lost 1 unit of blood within 4 weeks of the first study visit
  • History of multiple and/or severe allergies to drugs or food
  • Is dehydrated

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Behandlung
  • Zuteilung: Zufällig
  • Interventionsmodell: Crossover-Aufgabe
  • Maskierung: Doppelt

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Experimental: Part I, Placebo-HCTZ
Placebo in Period 1 followed by HCTZ in Period 2
Arzneimittel: Hydrochlorothiazide (HCTZ)
HCTZ 50 mg (two 25 mg capsules) once daily for 4 weeks per treatment period.
Andere Namen:
  • HCTZ
Arzneimittel: Comparator: Placebo to HCTZ
Placebo to HCTZ two 0 mg capsules once daily for 4 weeks per treatment period
Experimental: Part I, HCTZ-Placebo
HCTZ in Period 1, followed by placebo in Period 2
Arzneimittel: Hydrochlorothiazide (HCTZ)
HCTZ 50 mg (two 25 mg capsules) once daily for 4 weeks per treatment period.
Andere Namen:
  • HCTZ
Arzneimittel: Comparator: Placebo to HCTZ
Placebo to HCTZ two 0 mg capsules once daily for 4 weeks per treatment period
Experimental: Part II, Placebo-ISMN
Placebo in Period 1, followed by ISMN in Period 2
Arzneimittel: Isosorbide mononitrate (ISMN)
ISMN 60 mg extended release capsule once daily for 4 weeks per treatment period
Arzneimittel: Comparator: Placebo to ISMN
Placebo to ISMN 0 mg capsule once daily for 4 weeks per treatment period
Experimental: Part II, ISMN-Placebo
ISMN in Period 1, followed by placebo in Period 2
Arzneimittel: Isosorbide mononitrate (ISMN)
ISMN 60 mg extended release capsule once daily for 4 weeks per treatment period
Arzneimittel: Comparator: Placebo to ISMN
Placebo to ISMN 0 mg capsule once daily for 4 weeks per treatment period

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Part I: Change in Insulin Secretion at Steady-state Compared to Placebo in Participants With Impaired Glucose Tolerance (IGT)
Zeitfenster: 90 -120 minutes post-dose
Steady state was defined as 90-120 minutes post-dose. IGT was defined as a 2 hour plasma glucose >= 140 and <= 199 mg/dL during a 75g oral glucose tolerance test at screening.
90 -120 minutes post-dose
Part I: Change in Insulin Secretion at Steady-state Compared to Placebo in Participants With Impaired Fasting Glucose (IFG)
Zeitfenster: 90 -120 minutes post-dose
Steady state was defined as 90-120 minutes post-dose. IFG was defined as fasting plasma glucose (FPG) between 100 and 125 mg/dL at screening.
90 -120 minutes post-dose
Part I: Change in Insulin Secretion at Steady-state Compared to Placebo in Participants Who Had Normal Glucose Tolerance (NGT)
Zeitfenster: 90 -120 minutes post-dose
Steady state was defined as 90-120 minutes post-dose. NGT participants (FPG <100 mg/dL & 2 hour plasma glucose (PG) <140 mg/dL during a 75g oral glucose tolerance test (OGTT) at screening) were neither Impaired Glucose Tolerant (IGT) nor Impaired Fasting Glucose (IFG). IGT was defined as a 2 hour plasma glucose >= 140 and <= 199 mg/dL during a 75g oral glucose tolerance test at screening. IFG was defined as FPG between 100 and 125 mg/dL at screening.
90 -120 minutes post-dose
Part II: Ratio of Whole Body Glucose Disposal to Plasma Insulin at Steady-state
Zeitfenster: 90 -120 minutes post-dose
Steady state was defined as 90-120 minutes post-dose. The ratio was the quantity of glucose disposed by the body per kg body weight per minute at steady state divided by the approximate steady state plasma insulin concentration. The approximate steady state plasma insulin concentration was estimated by the time-weighted average of the insulin concentration measured at 10 minute intervals in which time = 90, 100, 110, and 120 minutes.
90 -120 minutes post-dose

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Part I: Change in the Ratio of Whole Body Glucose Disposal to Plasma Insulin at Steady State in Participants With Impaired Glucose Tolerant (IGT)
Zeitfenster: 90 -120 minutes post-dose
Steady state was defined as 90-120 minutes post-dose. The ratio was the quantity of glucose disposed by the body per kg body weight per minute at steady state divided by the approximate steady state plasma insulin concentration. The approximate steady state plasma insulin concentration was estimated by the time-weighted average of the insulin concentration measured at 10 minute intervals in which time = 90, 100, 110, and 120 minutes. IGT was defined as a 2 hour plasma glucose >= 140 and <= 199 mg/dL during a 75g oral glucose tolerance test at screening.
90 -120 minutes post-dose
Part I: Change in the Ratio of Whole Body Glucose Disposal to Plasma Insulin at Steady State in Participants With Impaired Fasting Glucose (IFG)
Zeitfenster: 90 -120 minutes post-dose
Steady state was defined as 90-120 minutes post-dose. The ratio was the quantity of glucose disposed by the body per kg body weight per minute at steady state divided by the approximate steady state plasma insulin concentration. The approximate steady state plasma insulin concentration was estimated by the time-weighted average of the insulin concentration measured at 10 minute intervals in which time = 90, 100, 110, and 120 minutes. IFG was defined as fasting plasma glucose (FPG) between 100 and 125 mg/dL at screening.
90 -120 minutes post-dose
Part I: Change in the Ratio of Whole Body Glucose Disposal to Plasma Insulin at Steady State in Participants With Normal Glucose Tolerant (NGT)
Zeitfenster: 90 -120 minutes post-dose
Steady state was defined as 90-120 minutes post-dose. The ratio was the measure of the quantity of glucose disposed per unit of plasma insulin concentration (PIC). Approximate PIC was estimated by the time-weighted average of the insulin concentration measured at 10 minute intervals, time = 90, 100, 110, and 120 minutes. NGT participants (FPG <100 mg/dL & 2 hour PG <140 mg/dL during a 75g OGTT at screening) were neither IGT nor IFG at screening. IGT - defined as a 2 hour PG >= 140 and <= 199 mg/dL during a 75g OGTT at screening. IFG - defined as FPG between 100 and 125 mg/dL at screening.
90 -120 minutes post-dose

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Merck Sharp & Dohme LLC

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn

1. März 2009

Primärer Abschluss (Tatsächlich)

1. Februar 2010

Studienabschluss (Tatsächlich)

1. März 2010

Studienanmeldedaten

Zuerst eingereicht

27. März 2009

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

27. März 2009

Zuerst gepostet (Schätzen)

30. März 2009

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Schätzen)

28. Juli 2015

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

22. Juli 2015

Zuletzt verifiziert

1. Juli 2015

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • 0000-117
  • 2009_567

Arzneimittel- und Geräteinformationen, Studienunterlagen

Studiert ein von der US-amerikanischen FDA reguliertes Arzneimittelprodukt

Nein

Studiert ein von der US-amerikanischen FDA reguliertes Geräteprodukt

Nein

Produkt, das in den USA hergestellt und aus den USA exportiert wird

Nein

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