Skip to content

Exploratory Clinical Study on the Treatment of Vitreous Opacity with Zhangyanming Tablets

Exploratory Clinical Study on the Treatment of Vitreous Opacity with Zhangyanming Tablets

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ITMCTR
Registry ID
ITMCTR2026000917
Enrollment
Unknown
Registered
2026-04-09
Start date
2026-05-01
Completion date
Unknown
Last updated
2026-04-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Vitreous Opacity

Interventions

Control Group:Zhangyanming Tablets Placebo

Sponsors

Shanghai First People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
40 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. Meets the diagnostic criteria for physiological vitreous opacities; 2. Identified by traditional Chinese medicine as having liver and kidney yin deficiency syndrome; 3. Floaters symptoms persist for more than 2 months; 4. Age between 40 and 70 years old (inclusive), gender; 5. Intraocular pressure: 10~21 mmHg; 6. No use of related treatment medications within the past month, with good compliance; 7. Voluntarily sign the informed consent form and be able to cooperate with follow-up and examinations.

Exclusion criteria

Exclusion criteria: 1. Presence of pathological vitreous opacities-related diseases, such as: (1) Retinal tear, retinal detachment; (2) Vitreous hemorrhage; (3) Uveitis, retinitis, choroiditis, etc., inflammatory diseases; (4) Diabetic retinopathy, hypertensive retinopathy, etc., vascular lesions; (5) History of ocular trauma; (6) Previous ocular surgery history: such as cataract surgery, vitrectomy, retinal laser photocoagulation, etc.; (7) High myopia (> -6.00D) combined with fundus lesions; (8) Vitreous degeneration, liquefaction, or pathological posterior vitreous detachment (PVD); (9) Lens dislocation, intraocular tumors, congenital ocular abnormalities, etc., organic lesions; 2. Patients with hyperthyroidism, hypotension, and endocrine disorders; 3. Patients with severe cardiovascular, cerebrovascular, hepatic, renal, or hematopoietic system diseases (ALT, AST = 1.5 times the upper limit of normal, SCr > upper limit of normal); 4. Pregnant or breastfeeding women, or those with neurological or psychiatric conditions who are unable or unwilling to cooperate; 5. Known or suspected history of allergy to the investigational drug or its excipients, severe adverse reactions, or allergic constitution; 6. Participants who have enrolled in other clinical trials within the past 3 months; 7. Other situations deemed unsuitable for participation in this trial by the investigator.

Design outcomes

Primary

MeasureTime frame
Quantitative Ultrasound Score;

Secondary

MeasureTime frame
Best corrected distance visual acuity;Contrast Sensitivity;Intraocular pressure;Visual Function Assessment Scale;TCM Syndrome Score;

Countries

China

Contacts

Public ContactLiu Kun

Shanghai First People's Hospital

drliukun@sjtu.edu.cn18917989522

Outcome results

None listed

Source: ITMCTR (via WHO ICTRP) · Data processed: May 1, 2026