Practical Pattern of Surgical Timing of Childhood Cataract in China

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Clinical Trial Summary

In the current study, the investigators analyzed the surgical RWD of 2,421 children with childhood cataracts from the Childhood Cataract Program of the Chinese Ministry of Health (CCPMOH) at the Zhognshan Ophthalmic Center and proposed data-based clinical experience for the timings of cataract extraction and IOL implantation.

See also
	Status	Clinical Trial	Phase
	Completed	`NCT03692728` - Increased Risk of ADHD Among Children With Bilateral Congenital Cataracts
	Completed	`NCT03035292` - Infrared Choroidal Reflectance Camera for the Detection of Childhood Cataract

NCT number	NCT03640780
Study type	Observational [Patient Registry]
Source	Sun Yat-sen University
Contact
Status	Completed
Phase
Start date	January 2005
Completion date	December 2014

Practical Pattern of Surgical Timing of Childhood Cataract in China

Clinical Trial Summary

Clinical Trial Description

Study Design

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