Skip to content

Comparison of 24-2 and 24-2C Test Grids for Chloroquine/Hydroxychloroquine Retinopathy Patients and High Risk Patients

Comparison of 24-2 and 24-2C Test Grids for Chloroquine/Hydroxychloroquine Retinopathy Patients and High Risk Patients

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
TCTR
Registry ID
TCTR20231019002
Enrollment
75
Registered
2023-10-19
Start date
2022-09-19
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

Hydroxychloroquine retinopathy Hydroxychloroquine retinopathy

Interventions

SITA Standard 24-2,SITA Faster 24-2C
Active Comparator Device,Active Comparator Device

Sponsors

Ratchadapisek Research Funds
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients who had been diagnosed with CQ/HCQ retinopathy and those classified as high-risk patients, based on meeting one or more of the following criteria: a CQ dosage exceeding 2.3 mg/kg of real weight, an HCQ dosage exceeding 5 mg/kg of real weight, prolonged usage exceeding beyond 5 years, the presence of kidney disease with a subnormal glomerular filtration rate, or concurrent use of prior tamoxifen use. , were recruited from the ophthalmology clinic at King Chulalongkorn Memorial Hospital. Additional inclusion criteria mandated required that participants be 18 years of age or older and possess a documented history of reliable automated perimetry

Exclusion criteria

Exclusion criteria: unreliable visual fields suboptimal quality SD-OCT, FAF retinopathy, optic neuropathy, or optical media opacities

Design outcomes

Primary

MeasureTime frame
Mean deviation Crossectional Visual field index from Humphrey visual field test

Secondary

MeasureTime frame
pattern standard deviation (PSD) crossectional Visual field index

Countries

Thailand

Contacts

Public ContactChananachida Wongwachira

Faculty of Medicine, Chulalongkorn University

chananchiw@gmail.com0963929941

Outcome results

None listed

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