Obesity Hypoventilation Syndrome Prevalence Study

Status

Terminated

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT01964339

Enrollment

Registered

2013-10-17

Start date

2013-10-09

Completion date

2014-05-21

Last updated

2018-12-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Obesity Hypoventilation Syndrome

Brief summary

This is an observational study to characterize the prevalence of Obesity Hypoventilation Syndrome in patients referred to the sleep lab.

Interventions

OTHERBMI greater than or equal to 30kg/m2 scheduled for PSG. Undergo blood draw (venous blood gas and metabolic panel) and data collection from PSG study.

Venous blood gas, basic metabolic panel, PSG variable data collection.

OTHERBMI greater than or equal to 30kg/m2 scheduled for PSG. Undergo blood draw (arterial blood gas and metabolic panel) and data collection from PSG study.

Arterial blood gas, basic metabolic panel, PSG variable data collection

Study design

Observational model

OTHER

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

21 Years to No maximum

Healthy volunteers

Inclusion criteria

* Greater than or equal to 21 yrs. of age * Referred to sleep lab for diagnostic PSG, initial titration PSG or split night PSG as routine clinical care * BMI greater than or equal to 30kg/m2

Exclusion criteria

* Acutely ill or medically unstable to participate per PI * Current positive airway pressure(PAP therapy)users * Medical History of Chronic Obstructive Pulmonary Disease(COPD) * Incapable of providing own informed consent * BMI less than 30kg/m2

Design outcomes

Primary

Measure	Time frame	Description
Baseline venous blood draw	single blood draw	The study involves a venipuncture and data collection at the time of sleep study. Data collection will be correlated to blood draw results.

Other

Measure	Time frame	Description
Standard polysomnography (PSG) variables	once	Standard PSG variables will be collected post PSG study. Standard variables include total sleep time, sleep efficiency, hypopneas, apneas (obstructive, central, mixed), stages of sleep, oxygen desaturation (minimum and averages during sleep).
Key demographic characteristics will be collected.	once	Key demographics will be collected including gender, age, height, and weight. Hip, waist and neck measurements will be collected.

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026