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Analysis of Adrenaline-like Substances in Tear and Urine of Myopic Patients

Analysis of Adrenaline-like Substances in Tear and Urine of Myopic Patients

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600117995
Enrollment
Unknown
Registered
2026-01-30
Start date
2026-01-31
Completion date
Unknown
Last updated
2026-02-02

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

Conditions

Myopia

Interventions

Sponsors

QINGDAO EYE HOSPITAL OF SHANDONG FIRST MEDICAL UNIVERSITY
Lead Sponsor

Eligibility

Sex/Gender
All
Age
8 Years to 15 Years

Inclusion criteria

Inclusion criteria: 1.Patients diagnosed with myopia, with a spherical equivalent (SE) ranging from -1.00 D to -6.00 D; 2. Voluntarily participate in the study and sign the informed consent form (guardian signature required)

Exclusion criteria

Exclusion criteria: 1.Complication with other ocular diseases (e.g., glaucoma, cataract, and retinopathy); 2.Recent use (within the past 3 months) of medications that may affect adrenaline levels (e.g., $\beta$-blockers, antidepressants); 3.Systemic diseases (e.g., hypertension, diabetes mellitus, and thyroid dysfunction). 4.history of refractive surgery or other clinical interventions for myopia correction.

Design outcomes

Primary

MeasureTime frame
Norepinephrine content;Spherical Equivalent, SE;Axial length, Al;

Countries

China

Contacts

Public ContactXianli Du

QINGDAO EYE HOSPITAL OF SHANDONG FIRST MEDICAL UNIVERSITY

lilibestever@126.com+86 532 8589 9231

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 7, 2026