Lung DiseasesNCT00005286
Epidemiology of Sleep Apnea Syndrome
An observational study of Lung Diseases and Sleep Apnea Syndromes, run by University of New Mexico.
Trial summary
To define the prevalence of Sleep Apnea Syndrome (SAS) in a community-based sample of Hispanic adults. Read more about this study
- Who is it for?
- Ages 0 to 100 years, men only
- Conditions the study is for
- Lung Diseases, Sleep Apnea Syndromes
- How many people
- Not given
- Where
- No sites listed yet
- Study dates
- Apr 1986to Mar 1989
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 0 to 100 years
- Men only
- No healthy volunteers
- Child, Adult, Older adult
No eligibility criteria
About this study
To define the prevalence of Sleep Apnea Syndrome (SAS) in a community-based sample of Hispanic adults.
Read the detailed description
BACKGROUND:
The Sleep Apnea Syndrome consists of sleep-induced disturbances of breathing and breathing-induced disturbances of sleep. Symptoms of pathologic sleepiness and, less commonly, frequent awakenings and light sleep reflect the fragmentation of sleep by repeated respiration-related arousals. Snoring, intermittent choking, and nocturnal dyspnea reflect varying degrees of upper airway obstruction associated with Sleep Apnea Syndrome. Observations of breathing during sleep show varying combinations and degrees of periodic breathing, apneas, and hypoxemia. In more severe cases, cardiovascular complications, including systemic and pulmonary hypertension and cardiac arrhythmias, occur. The clinical spectrum thus varies from the asymptomatic patient, to one with chronic cardiac and respiratory failure who is at risk of sudden death. Most patients are disabled by varying degrees of pathologic sleepiness.
The rapid increase of clinical activity with the Sleep Apnea Syndrome created an urgent need for a more complete description of this condition. Clinical descriptions were derived from case series of severely afflicted patients. Limited epidemiologic data, however, indicated that symptoms and objective manifestations of Sleep Apnea Syndrome occurred commonly in the population. It was unknown whether subjects with these findings were unrecognized patients, premorbid individuals at risk, or normal subjects with no special impairments. There was a need to define the frequency of signs and symptoms of Sleep Apnea Syndrome in the general population, and to determine the health effects related to these findings.
DESIGN NARRATIVE:
Subjects were recruited from a previous survey, the Belen Health Study, conducted from July 1984 through November 1985. Based on the data of the earlier survey, 421 subjects were identified for recruitment and 275 actually participated. The Belen Health Study questionnaire included items directed at Sleep Apnea Syndrome. Subjects for the sleep study were selected based on responses to the initial questionnaire. For the sleep study, an additional questionnaire was used, as well as new techniques of home monitoring of breathing during sleep, and polysomnography to define the prevalence of symptoms and manifestations of Sleep Apnea Syndrome. An assessment of the health effect of Sleep Apnea Syndrome was made by reference to the demographic, socio-economic, and health data from the Belen Health Study. Diagnostic criteria and the utility of home monitors for clinical diagnosis were also determined.
- Conditions
- Lung Diseases, Sleep Apnea Syndromes
- Medical subject headings
- Lung Diseases, Sleep Apnea Syndromes
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted26 May 2000 (estimated)
- Study startApr 1986
- Study completionMar 1989
Why it stopped: Not a clinical Trial and inadvertently entered in the system.
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (4)Papers the sponsor has linked to this study.
- Other trials for Lung DiseasesStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
Sponsor and investigators
- Lead sponsor
- University of New Mexico
- Sponsor type
- University, hospital or other
- Collaborators
- National Heart, Lung, and Blood Institute (NHLBI)
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00005286
- Sponsor's protocol ID
- 2007
- Other IDs
- R01HL034864
- Status last verified
- Mar 2024
- First submitted
- 25 May 2000
- Last updated
- 12 Mar 2024
- Results posted
- No
Publications
Wiggins RV, Schmidt-Nowara WW. Treatment of the obstructive sleep apnea syndrome. West J Med. 1987 Nov;147(5):561-8.
PubMed 3321711Schmidt-Nowara WW, Coultas DB, Wiggins CL, Skipper BE, Samet JM: Prevalence and Correlates of Snoring in Adult Populations. Proceedings of the First International Congress of Chronic Rhonchopathy, Paris, July 1987 . 1988.
Wiggins CL, Schmidt-Nowara WW, Coultas DB, Samet JM. Comparison of self- and spouse reports of snoring and other symptoms associated with sleep apnea syndrome. Sleep. 1990 Jun;13(3):245-52. doi: 10.1093/sleep/13.3.245.
PubMed 2356396Schmidt-Nowara WW, Coultas DB, Wiggins C, Skipper BE, Samet JM. Snoring in a Hispanic-American population. Risk factors and association with hypertension and other morbidity. Arch Intern Med. 1990 Mar;150(3):597-601. doi: 10.1001/archinte.150.3.597.
PubMed 2310278
Study at a glance
From the registry record, last updated by the sponsor on 12 Mar 2024. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Epidemiology of Sleep Apnea Syndrome
- ClinicalTrials.gov ID
- NCT00005286
- Acronym / sponsor ID
- 2007
- Conditions
- Lung Diseases, Sleep Apnea Syndromes
- Study type
- Observational
- Recruitment status
- TerminatedReason stopped: Not a clinical Trial and inadvertently entered in the system.
- Lead sponsor
- University of New MexicoUniversity, hospital or other
- Collaborators
- National Heart, Lung, and Blood Institute (NHLBI)
- Study start
- Apr 1986
- Study completion
- Mar 1989
- First posted
- 26 May 2000 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
To define the prevalence of Sleep Apnea Syndrome (SAS) in a community-based sample of Hispanic adults.
Detailed description
BACKGROUND:
The Sleep Apnea Syndrome consists of sleep-induced disturbances of breathing and breathing-induced disturbances of sleep. Symptoms of pathologic sleepiness and, less commonly, frequent awakenings and light sleep reflect the fragmentation of sleep by repeated respiration-related arousals. Snoring, intermittent choking, and nocturnal dyspnea reflect varying degrees of upper airway obstruction associated with Sleep Apnea Syndrome. Observations of breathing during sleep show varying combinations and degrees of periodic breathing, apneas, and hypoxemia. In more severe cases, cardiovascular complications, including systemic and pulmonary hypertension and cardiac arrhythmias, occur. The clinical spectrum thus varies from the asymptomatic patient, to one with chronic cardiac and respiratory failure who is at risk of sudden death. Most patients are disabled by varying degrees of pathologic sleepiness.
The rapid increase of clinical activity with the Sleep Apnea Syndrome created an urgent need for a more complete description of this condition. Clinical descriptions were derived from case series of severely afflicted patients. Limited epidemiologic data, however, indicated that symptoms and objective manifestations of Sleep Apnea Syndrome occurred commonly in the population. It was unknown whether subjects with these findings were unrecognized patients, premorbid individuals at risk, or normal subjects with no special impairments. There was a need to define the frequency of signs and symptoms of Sleep Apnea Syndrome in the general population, and to determine the health effects related to these findings.
DESIGN NARRATIVE:
Subjects were recruited from a previous survey, the Belen Health Study, conducted from July 1984 through November 1985. Based on the data of the earlier survey, 421 subjects were identified for recruitment and 275 actually participated. The Belen Health Study questionnaire included items directed at Sleep Apnea Syndrome. Subjects for the sleep study were selected based on responses to the initial questionnaire. For the sleep study, an additional questionnaire was used, as well as new techniques of home monitoring of breathing during sleep, and polysomnography to define the prevalence of symptoms and manifestations of Sleep Apnea Syndrome. An assessment of the health effect of Sleep Apnea Syndrome was made by reference to the demographic, socio-economic, and health data from the Belen Health Study. Diagnostic criteria and the utility of home monitors for clinical diagnosis were also determined.
Study design
Who may qualify
- Ages
- 0 to 100 years
- Sex
- Male only
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult, Older adult
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Not reported in the source record.
Results and safety
The study was stopped early (reason given: Not a clinical Trial and inadvertently entered in the system.). Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 12 Mar 2024.
- Background: PubMed 3321711Wiggins RV, Schmidt-Nowara WW. Treatment of the obstructive sleep apnea syndrome. West J Med. 1987 Nov;147(5):561-8.
- BackgroundSchmidt-Nowara WW, Coultas DB, Wiggins CL, Skipper BE, Samet JM: Prevalence and Correlates of Snoring in Adult Populations. Proceedings of the First International Congress of Chronic Rhonchopathy, Paris, July 1987 . 1988.
- Background: PubMed 2356396Wiggins CL, Schmidt-Nowara WW, Coultas DB, Samet JM. Comparison of self- and spouse reports of snoring and other symptoms associated with sleep apnea syndrome. Sleep. 1990 Jun;13(3):245-52. doi: 10.1093/sleep/13.3.245.
- Background: PubMed 2310278Schmidt-Nowara WW, Coultas DB, Wiggins C, Skipper BE, Samet JM. Snoring in a Hispanic-American population. Risk factors and association with hypertension and other morbidity. Arch Intern Med. 1990 Mar;150(3):597-601. doi: 10.1001/archinte.150.3.597.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
Questions about this trial
What is this clinical trial studying?
An observational study of Lung Diseases and Sleep Apnea Syndromes, run by University of New Mexico.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: stopped early, as of the sponsor's last update on 12 Mar 2024. Status can change between updates, so confirm with the study contact before making plans.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study was stopped early (reason given: Not a clinical Trial and inadvertently entered in the system.). Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00005286, which also lists 4 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 12 Mar 2024.