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CompletedNCT01837056Updated Apr 22, 2013

Prevalence of Toxoplasma Gondii and Toxocara Canis Among Patients With Uveitis

An observational study in Uveitis, sponsored by National Institute of Health, Korea. Completed. Per ClinicalTrials.gov, last updated 2013-04-22.

Sponsored by National Institute of Health, Korea · Observational

Study type
Observational
Model
Case-only
Time perspective
Prospective
Enrollment
98
Sex
All
01

Study summary

Investigate the prevalence of Toxoplasma gondii and Toxocara canis in Uveitis

  • serum antibody to T. gondii and T. canis
  • PCR with peripheral blood for T. gondii and T. canis
  • PCR with aqueous humor for T. gondii and T. canis
  • Clinical manifestation of patient with uveitis
Read the detailed description

Consecutive patients with uveitis are enrolled in Nune Eye Hospital.

Serum ELISA

  • IgM,IgG antibody to Toxoplasma gondii
  • IgG antibody to Toxocara canis

PCR

  • PCR with serum and aqueous humor to Toxoplasma gondii
  • PCR with serum and aqueous humor to Toxocara canis Clinical characteristics
  • visual acuity
  • intraocular pressure (IOP)
  • location and degree of inflammation
  • other fundus findings were recorded

questionnaire

  • environment, occupation
  • pet ownership, exposure to animal
  • history of eating raw liver of animal, raw beef or any other raw flesh of animal.
02

Conditions studied

  • Uveitis

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Keywords

  • Toxoplasma gondii
  • Toxocara canis
03

In context

Uveitis

335 studies on the registry are indexed under Uveitis; 37 are open to participants now.

This study's enrollment of 98 is close to the median of 100 across 107 observational studies indexed under Uveitis.

Browse Uveitis studies →

Lead sponsor

This is the only study on the registry with National Institute of Health, Korea as lead sponsor.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Probability sample

Study population

patient with uveitis

Inclusion criteria

  • patients with uveitis

Exclusion criteria

Exclusion Criteria:

  • Patients with history of major ophthalmic surgery within 6 months
  • antiviral, antifungal or antiparasitic therapy within 6 months
05

Study design

Observational model
Case-only
Time perspective
Prospective
Enrollment
98 participants (actual)
Target follow-up
14 Days
Patient registry
Yes
06

What researchers measure

Primary outcomes

  1. Number of patients with positive result for serum antibody to Toxoplasma gondii and Toxocara canis

    proportion of patients with seropositive for Toxoplasma gondii and Toxocara canis among patients

    Time frame: at baseline

Secondary outcomes

  1. Number of patients with positive PCR with peripheral blood and aqueous humor to Toxoplasma gondii and Toxocara canis

    Proportion of patient with positive PCR to Toxoplasma gondii and Toxocara canis

    Time frame: at baseline

Other outcomes

  1. location of inflammation and fundus finding

    location of inflammation * anterior or posterior or panuveitis fundus finding * granuloma in macular or periphery retina * pigmentation

    Time frame: at baseline

  2. Demographic characteristics

    * Gender * Residence * Pet ownership * Habit of eating uncooked meat

    Time frame: at baseline

07

Study locations

No study locations are listed for this record.

08

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Apr 22, 2013, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
09

Registry details

Key details

Study ID
NCT01837056
Lead sponsor
National Institute of Health, Korea
Responsible party
Lim, Su Jin (The retina staff, Nune Eye Hospital, Seoul, Korea) — Principal investigator
First posted
Apr 22, 2013
Start date
Jan 2011
Primary completion
Feb 2012
Completion
Feb 2012
Last update
Apr 22, 2013

Study contacts

Su Jin Lim, MD
principal investigator · Nune Eye Hospital

Oversight

Data monitoring committee
Yes
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Apr 2013. You cannot join it, but the record below documents what was studied.

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