Hyperglycemic Profiles in Obstructive Sleep Apnea: Effects of PAP Therapy (HYPNOS)
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiesteder
-
-
Maryland
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Baltimore, Maryland, Forenede Stater, 21224
- Johns Hopkins Bayview Medical Center
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-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Beskrivelse
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
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Aktiv komparator: REMStar Positive Airway Pressure
Positive pressure therapy is the standard of care for managing obstructive sleep apnea.
|
Positive airway pressure therapy is the standard of care for managing obstructive sleep apnea
|
|
Andet: LifeStyle Counseling
Lifestyle guidelines developed by the American Diabetes Association for weight loss will be provided to all subjects.
|
Lifestyle guidelines developed by the American Diabetes Association for weight loss will be provided to all subjects.
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Change in Continuous Glucose Monitoring System Standard Deviation
Tidsramme: Baseline and 3 months
|
Continuous Glucose Monitoring Metrics - change in standard deviation between baseline and three months.
|
Baseline and 3 months
|
Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Mean Difference in Systolic Blood Pressure
Tidsramme: 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
Tidsramme: 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
Tidsramme: 3 months
|
3 months
|
|
|
Change in the Epworth Sleepiness Scale
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: 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
Tidsramme: Baseline and 3 months
|
Continuous Glucose Monitoring Metric - change in average glucose level (mg/dL) from baseline to three months.
|
Baseline and 3 months
|
Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Samarbejdspartnere
Samarbejdspartnere
Efterforskere
Efterforskere
- Ledende efterforsker: Naresh M Punjabi, MD, PhD, Johns Hopkins University
Publikationer og nyttige links
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- NA_00093188
- R01HL117167 (U.S. NIH-bevilling/kontrakt)
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