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Hyperglycemic Profiles in Obstructive Sleep Apnea: Effects of PAP Therapy (HYPNOS)

3 maj 2021 uppdaterad av: Johns Hopkins University
This is a randomized control trial in people with diabetes and obstructive sleep apnea who will be randomly assigned for 3 months to PAP therapy along with healthy lifestyle and sleep education or healthy lifestyle and sleep education.

Studieöversikt

Status

Avslutad

Betingelser

Intervention / Behandling

Detaljerad beskrivning

Research over the last decade has shown that obstructive sleep apnea (OSA) is a common condition in people with diabetes. Observational and experimental evidence also indicates that intermittent hypoxemia and recurrent arousals in OSA may alter glucose metabolism and worsen glycemic control. However, the impact of treating OSA with positive airway pressure (PAP) therapy on glycemic variability and control is not well defined. Adequately powered randomized clinical trials have yet to be performed to demonstrate whether PAP therapy for OSA in diabetics can improve glycemic variability (and control), decrease blood pressure, and reverse endothelial dysfunction. The overarching goal of this study is to determine whether PAP therapy for OSA in diabetics leads to improvements in (a) glycemic variability as assessed by self-monitoring of blood glucose and continuous monitoring of glucose; (b) glycosylated hemoglobin; (c) blood pressure; (d) endothelial function; (e) serum and urinary biomarkers; and (f) dyslipidemia.

Studietyp

Interventionell

Inskrivning (Faktisk)

184

Fas

  • Inte tillämpbar

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studieorter

  • Förenta staterna
    • Maryland
      • Baltimore, Maryland, Förenta staterna, 21224
        • Johns Hopkins Bayview Medical Center

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

21 år till 75 år (Vuxen, Äldre vuxen)

Tar emot friska volontärer

Nej

Kön som är behöriga för studier

Allt

Beskrivning

Inclusion Criteria:

  • Type 2 diabetics
  • Age > 21 and ≤ 75 years

Exclusion Criteria:

  • Inability to consent or commit to the required visits
  • Use of insulin or other injections for diabetes
  • Weight change of 10% in last six months
  • Use of oral steroids in the last six months
  • Pulmonary disease (i.e., COPD)
  • Renal or hepatic insufficiency
  • Recent MI or stroke (< 3 months)
  • Sleep-related hypoventilation
  • Obesity-hypoventilation syndrome
  • Morbid Obesity
  • Occupation as a commercial driver or operator of heavy machinery
  • Active substance use
  • Untreated thyroid disease
  • Pregnancy
  • Any history of seizures or other neurologic disease
  • Poor sleep hygiene or sleep disorder other than sleep apnea
  • Central sleep apnea
  • Variants of obstructive sleep apnea (e.g., REM-related OSA)
  • Participants not suitable for the study based on the clinical judgment
  • Use of any investigational drug within the past 30 days
  • Participating in another study

Studieplan

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Behandling
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Ingen (Open Label)

Vapen och interventioner

Deltagargrupp / Arm
Intervention / Behandling
Aktiv komparator: REMStar Positive Airway Pressure
Positive pressure therapy is the standard of care for managing obstructive sleep apnea.
Enhet: REMStar Positive Airway Pressure
Positive airway pressure therapy is the standard of care for managing obstructive sleep apnea
Övrig: LifeStyle Counseling
Lifestyle guidelines developed by the American Diabetes Association for weight loss will be provided to all subjects.
Beteende: LifeStyle Counseling
Lifestyle guidelines developed by the American Diabetes Association for weight loss will be provided to all subjects.

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Change in Continuous Glucose Monitoring System Standard Deviation
Tidsram: Baseline and 3 months
Continuous Glucose Monitoring Metrics - change in standard deviation between baseline and three months.
Baseline and 3 months

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Mean Difference in Systolic Blood Pressure
Tidsram: Baseline and 3 months
Mean difference between 3 months and baseline systolic blood pressures (in mmHg) by group.
Baseline and 3 months
Change in Endothelial Dysfunction as Assessed by the Reactive Hyperemic Index
Tidsram: Baseline and 3 months
Endothelial function was measured by the EndoPAT device - difference at 3 months - baseline, by group. The outcome reported is the Reactive Hyperemic Index (RHI). The RHI is a measure of endothelial vasodilator function. The RHI is the post-to-pre occlusion peripheral arterial tone signal ratio in the occluded arm relative to the other arm, which is not occluded. Persons with worse endothelial function have a lower RHI score. Consequently, a low RHI indicates more endothelial dysfunction. A value of 1.67 or less is considered abnormal vascular tone. The reported lower and upper limits in adults with type 2 diabetes is 1.1 - 4.9.
Baseline and 3 months
Heart Rate Variability
Tidsram: 3 months
3 months
Change in the Epworth Sleepiness Scale
Tidsram: Baseline and 3 months
The Epworth Sleepiness Scale measures self-reported sleep propensity or daytime sleepiness. The range of the scale is 0 to 24 (integers only), with increasing values corresponding to increasing sleepiness. A cut-point of ≥ 11 is also sometimes used to differentiate those with pathological sleepiness (≥ 11) versus those without < 11. The difference between the three month final visit - the baseline visit score is reported by group
Baseline and 3 months
Change in Post-Pre Meal Blood Glucose Levels
Tidsram: Baseline and 3 months
The difference from baseline to three months in self-reported in blood glucose levels before and after meals (mg/dL) (post-meal - pre-meal). Data is presented for breakfast, lunch, and dinner.
Baseline and 3 months
Change in Glycosylated Hemoglobin A1c Level
Tidsram: Baseline and 3 months
Change in point-of-care hemoglobin A1c (%) after three months.
Baseline and 3 months
Continuous Glucose Monitoring System Mean Amplitude Glucose Excursion
Tidsram: 3 months
Mean Amplitude Glucose Excursion in mg/dL (difference between the peaks and troughs of glucose from continuous glucose monitoring at three months).
3 months
Continuous Glucose Monitoring System Standard Deviation
Tidsram: 3 months
The standard deviation of the glucose from continuous glucose monitoring at three months.
3 months
Change in Continuous Glucose Monitoring System Mean Glucose
Tidsram: Baseline and 3 months
Continuous Glucose Monitoring Metric - change in average glucose level (mg/dL) from baseline to three months.
Baseline and 3 months

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

Johns Hopkins University

Samarbetspartners

National Heart, Lung, and Blood Institute (NHLBI)

Utredare

  • Huvudutredare: Naresh M Punjabi, MD, PhD, Johns Hopkins University

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Allmänna publikationer

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart (Faktisk)

1 december 2014

Primärt slutförande (Faktisk)

15 mars 2020

Avslutad studie (Faktisk)

15 mars 2020

Studieregistreringsdatum

Först inskickad

14 januari 2015

Först inskickad som uppfyllde QC-kriterierna

26 maj 2015

Första postat (Uppskatta)

27 maj 2015

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

25 maj 2021

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

3 maj 2021

Senast verifierad

1 maj 2021

Mer information

Termer relaterade till denna studie

Ytterligare relevanta MeSH-villkor

Andra studie-ID-nummer

  • NA_00093188
  • R01HL117167 (U.S.S. NIH-anslag/kontrakt)

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