Actively Recruiting

Age: 18Years +
All Genders
Healthy Volunteers
NCT06514482

Spanish Registry of Patients With Sleep Apnea and Daytime Sleepiness

Led by Hospital San Pedro de Logroño · Updated on 2026-02-17

1000

Participants Needed

1

Research Sites

322 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

Multicenter, observational and prospective study, in which patients referred to the sleep unit with suspected apnea will be recruited obstructive sleep. 1000 patients referred to the sleep unit will be recruited with suspected obstructive sleep apnea. The recruited patients will undergo a sleep study for the diagnosis of OSA, ambulatory monitoring of blood pressure (ABP) of 24 hours, clinical variables will be obtained, questionnaires of quality of life, Epworth test for the evaluation of daytime sleepiness, variables biochemistry and obtaining biological samples. OSA patients will be managed following the usual practice. In those patients for whom the treatment with CPAP an evaluation of adherence to treatment will be carried out. OSA patients will be evaluated at baseline, 6, 12, and 24 months.

CONDITIONS

Official Title

Spanish Registry of Patients With Sleep Apnea and Daytime Sleepiness

Who Can Participate

Age: 18Years +
All Genders
Healthy Volunteers

Eligibility Criteria

Eligible

You may qualify if you...

  • Patients who visit the sleep consultation for sleep study results due to suspected obstructive sleep apnea.
  • Patients aged 18 years or older.
  • Signed informed consent is required.
Not Eligible

You will not qualify if you...

  • Inability to complete questionnaires due to psycho-physical issues.
  • Previously diagnosed sleep disorders such as narcolepsy, insomnia, sleep deprivation (less than 6 hours per day), regular use of hypnotics or sedatives (except short-acting benzodiazepines or melatonin), and restless legs syndrome.
  • Patients with more than 50% central apnea or Cheyne-Stokes respiration.
  • Medical history that could interfere with the study objectives or affect study conclusions.
  • Any medical, social, or geographical factors that may risk patient compliance, including high alcohol consumption (more than 80 g/day for men, more than 60 g/day for women), lack of stable residence, disorientation, or history of non-compliance.
  • Any medical condition, cardiovascular or otherwise, limiting life expectancy to less than one year.

AI-Screening

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Trial Site Locations

Total: 1 location

1

Hospital San Pedro

Logroño, La Rioja, Spain, 26006

Actively Recruiting

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Research Team

J

Jorge Lazaro

CONTACT

A

Alejandra Roncero

CONTACT

How is the study designed?

Study Type

OBSERVATIONAL

Masking

N/A

Allocation

N/A

Model

N/A

Primary Purpose

N/A

Number of Arms

3

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