Detection of Chloroquine or Hydroxychloroquine Retinopathy by Visual Field 10-2 VS Visual Field 24-2 Combined with Retinal Imaging in Chiang Mai University Hospital

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20211222005

Enrollment

150

Registered

2021-12-22

Start date

2022-01-04

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 taking CQ or HCQ visit ophthalmic OPD of CMU hospital for retinopathy screening chloroquine, hydroxychloroquine, retinopathy, visual field

Interventions

Patients taking Chloroquine or Hydroxychloroquine without other systemic disease confounding for retinopathy interpretation

Diagnostic

Chloroquine or Hydroxychloroquine use

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.18 years old or older, 2.male and female, 3.taking chloroquine or hydroxychloroquine, 4.visiting ophthalmic OPD of CMU hospital for retinopathy screening during 1st December 2021 to 28th February 2024

Exclusion criteria

Exclusion criteria: 1.retinal disease, 2.macular disease, 3.retinal vascular disease, 4.neuro-oph disease, 5.glaucoma or glaucoma suspected, 6.unable to perform visual field test

Design outcomes

Primary

Measure	Time frame
chloroquine or hydroxychloroquine retinopathy at screening time point incidence	—

Secondary

Measure	Time frame
N/A N/A N/A	—

Countries

Thailand

Contacts

Public ContactThorfan Kasetsinsombat

Chiang Mai University

thorfannnn@gmail.com0643346888

Outcome results

None listed

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