Association of Vitamin D Status, Laboratory Profile, and Endoscopic Finding with Severity of Obstructive Sleep Apnea

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20260623003

Enrollment

105

Registered

2026-06-23

Start date

2025-12-27

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

obstructive sleep apnea (osa)

Interventions

None listed

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1.Age 18-65 years 2.Diagnosed obstructive sleep apnea with AHI >5 events/hour by polysomnography or home sleep test

Exclusion criteria

Exclusion criteria: 1.OSA with DM and DLP 2. Patient with liver diseaes 3. Patient with renal disease 4. Patient who taking vitamin D supplement

Design outcomes

Primary

Measure	Time frame
OSA severity At enrollment Apnea-hypopnea index (AHI, events/hour) measured by polysomnography ; severity categorized as mild/moderate/severe by standard cut-offs.	—

Secondary

Measure	Time frame
Vitamin D status At enrollment Serum 25-hydroxyvitamin D [25(OH)D] level (ng/mL or nmoL/L ,Endoscopic findings At enrollment Fiberoptic laryngoscopy grading,Laboratory markers At enrollment CBC parameters, CRP (mg/L), FBS (mg/L), HbA1c (%), lipid profile (mg/dL), measured from venous blood samples,Laboratory markers At enrollment CBC parameters, CRP (mg/L), FBS (mg/L), HbA1c (%), lipid profile (mg/dL), measured from venous blood samples	—

Measure

Time frame

Vitamin D status At enrollment Serum 25-hydroxyvitamin D [25(OH)D] level (ng/mL or nmoL/L ,Endoscopic findings At enrollment Fiberoptic laryngoscopy grading,Laboratory markers At enrollment CBC parameters, CRP (mg/L), FBS (mg/L), HbA1c (%), lipid profile (mg/dL), measured from venous blood samples,Laboratory markers At enrollment CBC parameters, CRP (mg/L), FBS (mg/L), HbA1c (%), lipid profile (mg/dL), measured from venous blood samples

—

Countries

Thailand

Contacts

Public ContactWoravipa Israsena Na Ayudhya

Vajira Hospital, Navamindradhiraj University University

woravipa@nmu.ac.th022443397

Outcome results