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Incidence and reasons of nonadherence to intravitreal anti-vascular endothelial growth factor injection in patients with neovascular age-related macular degeneration and diabetic macular edema at Chiang Mai University Hospital

Incidence and reasons of nonadherence to intravitreal anti-vascular endothelial growth factor injection in patients with neovascular age-related macular degeneration and diabetic macular edema at Chiang Mai University Hospital

Status
Unknown
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20230215001
Enrollment
100
Registered
2023-02-15
Start date
2023-03-31
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

Patients diagnosed as neovascular age-related macular degeneration and diabetic macular edema who are ongoing for intravitreal anti-vascular endothelial growth factor injection at outpatient retinal clinic, ophthalmology department, Chiang Mai University Hospital Compliance anti-vascular endothelial growth factor intravitreal injection nonadherence

Interventions

Patients diagnosed as nAMD and DME who are ongoing for intravitreal anti-VEGF injection at outpatient retinal clinic, ophthalmology department, Chiang Mai University Hospital
Other

Sponsors

Chiang Mai University Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients diagnosed as neovascular age-related macular degeneration and diabetic macular edema who: 1. Having Aged more than or equal to 18 years 2. Having no language barrier to communication 3. Can understand Thai language

Exclusion criteria

Exclusion criteria: 1. Having history of cognitive impairment 2. Having history of schizophrenia or bipolar 3. Using concurrent anti-depressive medication 4. Having history of trauma 5. Underwent pars plana vitrectomy by indications other than diabetic-related conditions 6. Attending clinical using anti-VEGF injections

Design outcomes

Primary

MeasureTime frame
incidence of nonadherence to intravitreal anti-VEGF injection in nAMD and DME patients 1 year The results will be presented in incidence proportion(no units) that calculated by number of nonadherence cases devided by number of population at risk.

Secondary

MeasureTime frame
reasons and associated factors for nonadherence to intravitreal anti-VEGF injection in nAMD and DME patients 1 year Multivariable exploratory analysis for factors associated with nonadherence (dependent variable) will be presented in odds ratio(no units) and P value(%).

Countries

Thailand

Contacts

Public ContactThitima Aumchoo

Faculty of Medicine, Chiang Mai University

thitima_a@cmu.ac.th0882251883

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026