Age-related Cataract Clinical Trial
Official title:
Effectiveness of Using Interactive Consulting System Based on Large Language Model to Enhance Informed Choice of Cataract Patients: a Non-inferiority Randomized Controlled Trial
To compare the performance of an interactive chatbot versus senior ophthalmologists for enhancing informed decisions made by cataract patients. The chatbot was built based on large language models, and could generate medical expert-level responses.
Status | Recruiting |
Enrollment | 660 |
Est. completion date | December 31, 2023 |
Est. primary completion date | December 1, 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 45 Years to 80 Years |
Eligibility | Inclusion Criteria: 1. Individuals aged 45-80 years who have been resident in the selected study district for more than six months; 2. A definite diagnosis of age-related cataract; 3. Having not received cataract surgery; 4. Willing to participate the study and provide informed consent. Exclusion Criteria: 1. Bilateral blindness (presenting distance visual acuity worse than 3/60); 2. Having ocular, hearing or mental disorders precluding reading or telephone interview; 3. Ocular disorders other than cataract leading to permanent vision loss that could not be corrected through cataract surgery; 4. Having cataract surgery contraindication. |
Country | Name | City | State |
---|---|---|---|
China | Zhognshan Ophthalmic Center, Sun Yat-sen University | Guangzhou | Guangdong |
Lead Sponsor | Collaborator |
---|---|
Sun Yat-sen University |
China,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Informed choice about cataract surgery (the proportion of participants who make an informed choice,which is defined as a good knowledge score and an intention that is consistent with their attitude score) | Informed choice is an aggregated measure of multiple measurements, including knowledge (a 12-item questionnaire that assesses conceptual (items 1-10) and numerical (items 11-12) knowledge), attitudes (6 items, with 5 responses for each), and intentions (single item with 5 responses) | 2 weeks post intervention |
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