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Obstructive Sleep Apnea (OSA), Sleepiness, and Activity in Diabetes Management (OSA_DM)

6 november 2017 bijgewerkt door: Eileen R. Chasens

OSA, Sleepiness, and Activity in Diabetes Management

Daily physical activity is important to achieve glucose control in persons with type 2 diabetes. The purpose of this study is to explore if obstructive sleep apnea and its daytime symptom, excessive sleepiness, act as barriers to physical activity. We will examine if treatment of obstructive sleep apnea with continuous positive airway pressure results in increased physical activity in persons with type 2 diabetes.

Studie Overzicht

Toestand

Voltooid

Conditie

Interventie / Behandeling

Gedetailleerde beschrijving

Obstructive sleep apnea (OSA) is a serious disorder characterized by episodic obstruction of the pharyngeal airway accompanied by cessation or reduction in airflow. Untreated OSA has a negative impact 24 hours a day, disrupting nighttime sleep and causing excessive daytime sleepiness that interferes with functioning. Recent studies suggest that OSA and type 2 diabetes (T2DM) not only co-exist but that OSA may adversely affect glucose homeostasis. While physical activity is recognized as beneficial to persons with T2DM, OSA severity or daytime sleepiness may act to hinder persons with T2DM from participating in physical activity. The primary aim of this pilot/feasibility study is to obtain preliminary data to facilitate further hypothesis development and enhance the feasibility of conducting a double blind, randomized, placebo-controlled study to examine physical activity in subjects with T2DM and OSA who are treated with CPAP compared to subjects on sham-CPAP. The secondary aims are to explore: 1) the interrelationships of OSA severity, daytime sleepiness, and physical activity on glucose variability at baseline; 2) average pre-post therapy changes in glucose variability in subjects treated with CPAP compared to subjects receiving sham-CPAP, and 3) pre to post therapy changes in weight, diet, residual sleepiness and mood in subjects treated with CPAP compared to subjects receiving sham-CPAP.

The primary endpoint of the study, physical activity, will be measured by the Bodymedia SenseWear Pro Armband® to determine activity counts. The endpoint for glucose variability will be measured by the Medtronic Continuous Glucose Monitoring System (CGMS). Adherence to CPAP will be measured by a Smart Card® inserted in subjects' CPAP machines. We will limit the sample of subjects who are randomized to CPAP or sham-CPAP to persons with an adequate sleep duration pre-treatment (> 6 hours), with moderate or severe OSA and with EDS to have a more homogenous, profoundly affected sample for this pilot study. The information that will result from the proposed study on of the effect of OSA and EDS on glucose variability has the potential to lead to the development of improved behavioral interventions in persons with diabetes. In addition, this study contains measures of diet and mood to begin to elucidate the possible effects of OSA and EDS on diabetes management.

Studietype

Ingrijpend

Inschrijving (Werkelijk)

23

Fase

  • Fase 3

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studie Locaties

  • Verenigde Staten
    • Pennsylvania
      • Pittsburgh, Pennsylvania, Verenigde Staten, 15261
        • University of Pittsburgh

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

40 jaar tot 65 jaar (Volwassen, Oudere volwassene)

Accepteert gezonde vrijwilligers

Nee

Geslachten die in aanmerking komen voor studie

Allemaal

Beschrijving

Inclusion Criteria:

  • T2DM (verified by primary care provider (PCP) or medication for T2DM)
  • AHI (from PSG) greater than > 15
  • A1c < 9.0%
  • Epworth Sleepiness Sca;e > 10 (Baseline Assessment)
  • Able to ambulate independently or with a cane
  • Age 40-65 years
  • BMI< 45
  • No acute medical and psychiatric illness in past 3 months
  • Self-reported sleep duration of at least 6 hours
  • No changes in medications, including diabetic medications, in last 3 months
  • Telephone access
  • Able to perform study tests (e.g., speak, read and write in English)
  • Willing to be randomized to CPAP or sham-CPAP

Exclusion Criteria:

  • Diagnosis of another sleep disorder, in addition to OSA,
  • Oxygen or Bi-level positive airway pressure required for treatment of OSA
  • An oxygen saturation <75% for >10% of the diagnostic PSG or if subject has oxygen saturation <75% for >25% of the first 4 h of the diagnostic PSG
  • Any individual in the household currently or with history of CPAP treatment
  • Type 1 or gestational diabetes
  • Prescribed insulin for treatment of type 2 diabetes
  • Regular use (> 3 times/week) of hypnotic or alerting medications
  • History of a near-miss or automobile accident due to sleepiness
  • Employed in transportation-related safety sensitive occupation such as an airline pilot, truck driver, or train engineer
  • Currently working night or rotating shifts
  • Routine consumption of alcohol as determined by >2 drinks day
  • Known allergy to medical adhesives or dermatological conditions that would preclude wearing CGMS
  • Swim or water aerobics >once a week
  • Participation in contact sports or activity that may damage CGMS device or cause injury from monitor
  • Claustrophobia that prevents wearing the CPAP mask
  • Pregnancy

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Onderzoek naar gezondheidsdiensten
  • Toewijzing: Gerandomiseerd
  • Interventioneel model: Crossover-opdracht
  • Masker: Verdrievoudigen

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Actieve vergelijker: 1 subjects treated with CPAP
Continuous Positive Airway Pressure treatment (CPAP)
Apparaat: Continuous Positive Airway Pressure (CPAP)
Mask worn over nose to splint open the airway with positive pressure to prevent the subject from holding their breath (apneas).
Sham-vergelijker: 2 subjects treated with sham-CPAP
Sham Continuous Positive Airway Pressure treatment (sham-CPAP)
Apparaat: Sham- Continuous Positive Airway Pressure (Sham-CPAP)
Mask worn over nose to splint open the airway with positive pressure to prevent the subject from holding their breath (apneas).

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Physical Activity, Steps Walked
Tijdsspanne: after one-month treatment
Steps walked measured by the Bodymedia SenseWear Pro Armband®Data collected from the main study period
after one-month treatment

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Fructosamine
Tijdsspanne: after one-month
Change in fructosamine level from baseline to one month: data from main study period
after one-month
Change in Sleep Quality
Tijdsspanne: after one month
From Pittsburgh Sleep Quality Index; scores range from 0 to 21 with higher scores worse sleep quality; data from main study period
after one month
Change in Daytime Sleepiness During Main Study Period
Tijdsspanne: after one month
Daytime Sleepiness measured by the Epworth Sleepiness Scale; measured from 0 to 24; higher scores indicate worse sleepiness
after one month
Change in Vigor-Activity During Main Study Period
Tijdsspanne: after one month
Vigor-Activity from Profiles of Mood Scale; scores range from 0 to 32 with higher scores indicating higher vigor/activity
after one month
Fatigue/Inertia
Tijdsspanne: after one month
Fatigue/Inertia from the Profile of Moods Subscale; scores range from 0 to 28; higher scores indicate more fatigue/inertia
after one month

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Sponsor

Eileen R. Chasens

Onderzoekers

  • Hoofdonderzoeker: Eileen R. Chasens, DSN, University of Pittsburgh

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start

1 april 2009

Primaire voltooiing (Werkelijk)

1 april 2012

Studie voltooiing (Werkelijk)

1 april 2012

Studieregistratiedata

Eerst ingediend

3 december 2008

Eerst ingediend dat voldeed aan de QC-criteria

3 december 2008

Eerst geplaatst (Schatting)

4 december 2008

Updates van studierecords

Laatste update geplaatst (Werkelijk)

8 november 2017

Laatste update ingediend die voldeed aan QC-criteria

6 november 2017

Laatst geverifieerd

1 november 2017

Meer informatie

Termen gerelateerd aan deze studie

Trefwoorden

Aanvullende relevante MeSH-voorwaarden

Andere studie-ID-nummers

  • R21HL089522-01A2 (Subsidie/contract van de Amerikaanse NIH)

Deze informatie is zonder wijzigingen rechtstreeks van de website clinicaltrials.gov gehaald. Als u verzoeken heeft om uw onderzoeksgegevens te wijzigen, te verwijderen of bij te werken, neem dan contact op met register@clinicaltrials.gov. Zodra er een wijziging wordt doorgevoerd op clinicaltrials.gov, wordt deze ook automatisch bijgewerkt op onze website .

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