Asthenopia, Dry Eye Disease (DED)
Conditions
Brief summary
At present, research on cyclosporine mainly focuses on patients with moderate to severe dry eye. Based on the importance of the vicious cycle of inflammation in the pathogenesis of dry eye and the mechanism of cyclosporine, investigators believe that it may also have therapeutic effects in patients with mild to moderate dry eye, and may have certain advantages compared to traditional artificial tear therapy. In summary, this study intends to use a randomized, double-blind, parallel controlled trial to evaluate the therapeutic efficacy and safety of 0.05% cyclosporine eye drops in patients with mild to moderate dry eyes.
Interventions
0.05% cyclosporine, one drop each time, twice a day
0.1% sodium hyaluronate, one drop each time, three times a day
Sponsors
Second Affiliated Hospital, School of Medicine, Zhejiang University
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)
Eligibility
Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No
Inclusion criteria
1. 18-75 years old (including 18 and 75 years old), male or female; 2. Meets the diagnostic criteria for dry eye syndrome in China (2020) and is mild dry eye 1) Dry Eye Questionnaire (OSDI) score ≥ 13 points; 2) BUT ≤ 10 seconds or Schirmer I ≤ 5mm/5 minutes 3) Corneal staining positive ≤ 5 points. 3. At least one of OSDI, BUT, and Schirmer I meets the moderate standard OSDI ≥ 23 points; BUT\<5 seconds; Schirmer I \< 5mm/5min 4. The subjects themselves signed an informed consent form and voluntarily participated in this study.
Exclusion criteria
1. Women who are breastfeeding or pregnant, or men and women of childbearing age who are unable to use effective contraceptive methods during the study period; 2. Those who need to wear contact lenses during treatment; 3. Acute inflammation, infection, allergy, and trauma of the eyes; 4. There are obvious scars or keratinization on the eyelid margin; 5. Have undergone eye or eyelid surgery within the 6 months prior to enrollment; 6. Diagnosed with facial nerve paralysis or ocular nerve paralysis within 6 months prior to enrollment; 7. Currently using lacrimal duct embolization (permanent lacrimal plug or treatment with lacrimal plug within 6 months); 8. I am currently taking medication that may affect dry eye syndrome.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Fluorescent tear film breakup time | 8weeks | — |
| high-frequency component（HFC） | 8weeks | HFC represents a slight deformation of the lens in a state of relative modulation stillness, indicating tremors in the ciliary muscle |
| ASQ-17 | 8weeks | Asthenopia Survey Questionnaire (ASQ)-17,ASQ-17 covers 7 items of eye symptoms, 6 items of visual symptoms and 4 items of systemic and psychological symptoms with a total score of 51 and an optimal cut-off threshold value of 12.5\[1\]. \[1\]Lin N, Li XM, Yang MY, Tian L, Li ZH, Mao JL, Zhang JF, Chen J, Lyu F, Deng RZ. Development of a new 17-item Asthenopia Survey Questionnaire using Rasch analysis. Int J Ophthalmol. 2023 Nov 18;16(11):1867-1875. doi: 10.18240/ijo.2023.11.20. PMID: 38028524; PMCID: PMC10626358. |
Countries
China
Outcome results
None listed