Last reviewed · How we verify
NCT04340635
Multi-center Ocular Biological Parameters Study
trial in Cataract in 20,000 participants. Status unknown.
1 October 2020
Quick facts
| Lead sponsor | Aier School of Ophthalmology, Central South University |
|---|---|
| Status | Status unknown |
| Study type | OBSERVATIONAL |
| Enrollment | 20,000 |
| Start date | 1 January 2018 |
| Primary completion | 1 October 2020 |
| Estimated completion | 31 December 2020 |
| Sites | 1 location across China |
Conditions studied
- Cataract — all drugs for Cataract →
Sponsor
Aier School of Ophthalmology, Central South University
Who can join
50 and older, any sex, with Cataract. Patients with the condition only — healthy volunteers not accepted.
Sponsor's own description
This study is a multi-center study, which collects data from multiple regions to obtain the general biological characteristics of the Chinese population. The formula for calculating the artificial lens power based on foreign populations is effectively modified based on the Chinese population.
Publications & conference data
2 peer-reviewed publications reference this trial (live from Europe PMC):
-
Detection of shallow anterior chamber depth from two-dimensional anterior segment photographs using deep learning.
Qian Z, Xie X, Yang J, Ye H, et al · · 2021 · cited 14× · PMID 34551738 · DOI 10.1186/s12886-021-02104-0 -
Detection of Shallow Anterior Chamber Depth from Two-dimensional Anterior Segment Photographs using Deep Learning
Qian Z, Xie X, Yang J, Ye H, et al · · 2021 · DOI 10.21203/rs.3.rs-130445/v1
Verify or expand the search:
- PubMed search for NCT04340635
- Europe PMC full search
- ASCO Meeting Library
- ESMO Meeting Library
- bioRxiv preprints
- medRxiv preprints
- Google Scholar
Related trials
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Other Aier School of Ophthalmology, Central South University trials
Trials by the same sponsor.
- NCT05718076 — Trifocal Intraocular Lens in High Myopic Patients With Different Meta-PM Grading · unknown
- NCT04633798 — Evaluation of the Efficacy of Intense Pulse Light Combined With Lipiflow in the Treatment of Meibomian Gland Dysfunction · NA · unknown
- NCT04927117 — Evaluation of Visual Acuity in Myopic Cataract Patients Using Trifocal Intraocular Lens · unknown
- NCT04569422 — Influence of Obuvacaine Hydrochloride Eye Drops on the Comfort of Meibomian Gland Massage Patients · unknown
- NCT04400097 — The Influence of Suture Method in Conjunctival Autograft Transplantation on Postoperative Ocular Discomfort for Primary · NA · unknown
Verify against primary sources
- ClinicalTrials.gov — authoritative US registry record
- WHO ICTRP — international registry index
- EU Clinical Trials Register
- Sponsor press releases (Google)
- Trial protocol + status: ClinicalTrials.gov NCT04340635 (US National Library of Medicine, public domain)
- Publications: Europe PMC API search by NCT ID, retrieved 9 June 2026
- Drug + disease cross-links: matched in real time against Drug Landscape's normalised drug + company + condition tables
- Sponsor: as reported to ClinicalTrials.gov by Aier School of Ophthalmology, Central South University
- Last refreshed: 9 April 2020
Drug Landscape aggregates and links these public records for informational use only. Always verify against the primary source before clinical or regulatory decisions. Canonical URL: https://druglandscape.com/trial/NCT04340635.
Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing