NCT02290704

Brief Summary

Find if the retinal function is affected in both the nonsevere and the severe stage of Graves' ophthalmopathy (GO) by comparing the retinal oxygen saturation of GO patients with that of normal people.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
200

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Jan 2014

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2014

Completed
10 months until next milestone

First Submitted

Initial submission to the registry

November 3, 2014

Completed
11 days until next milestone

First Posted

Study publicly available on registry

November 14, 2014

Completed
3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 1, 2017

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2017

Completed
Last Updated

November 28, 2017

Status Verified

November 1, 2017

Enrollment Period

3.8 years

First QC Date

November 3, 2014

Last Update Submit

November 25, 2017

Conditions

Keywords

oxygen saturationretinal vesselsthyroid associated ophthalmopathy

Outcome Measures

Primary Outcomes (1)

  • changes of retinal oxygen saturation in patients with GO under different managing conditions

    before surgery ( or glucocorticoids administration), 1 week and 4 weeks after surgery ( or glucocorticoids administration)

Study Arms (2)

controls

People without eye disease

GO patients

patients with Graves' ophthalmopathy

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Controls- normal people; GO patients- patients with Graves' ophthalmopathy

You may qualify if:

  • conforms to the diagnosis of Graves' ophthalmopathy;
  • age \> 18;
  • volunteered to participate in this research, and sign the informed consent.
  • age \> 18;
  • diopter within + / - 3D;
  • volunteered to participate in this research, and sign the informed consent.

You may not qualify if:

  • Fundus could not be seen clearly;
  • pregnant and lactating women;
  • could not tolerate the examination.
  • with severe systemic disease and cause eye lesions;
  • have history of eye disease, ocular trauma and eye surgery impacting on visual function;
  • pregnant and lactating women;
  • could not tolerate the examination.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Zhongshan Ophthalmic Center

Guangzhou, Guangdong, 510000, China

RECRUITING

Related Publications (3)

  • Bahn RS, Heufelder AE. Pathogenesis of Graves' ophthalmopathy. N Engl J Med. 1993 Nov 11;329(20):1468-75. doi: 10.1056/NEJM199311113292007. No abstract available.

    PMID: 8413459BACKGROUND
  • Alford EL, Soparkar CN. Management of the 'tight orbit' and associated visual loss. Curr Opin Otolaryngol Head Neck Surg. 2013 Aug;21(4):417-22. doi: 10.1097/MOO.0b013e32836312a1.

    PMID: 23838551BACKGROUND
  • Michelson G, Scibor M. Intravascular oxygen saturation in retinal vessels in normal subjects and open-angle glaucoma subjects. Acta Ophthalmol Scand. 2006 Jun;84(3):289-95. doi: 10.1111/j.1600-0420.2005.00631.x.

MeSH Terms

Conditions

Graves Ophthalmopathy

Condition Hierarchy (Ancestors)

Eye Diseases, HereditaryEye DiseasesGraves DiseaseExophthalmosOrbital DiseasesGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesGoiterThyroid DiseasesEndocrine System DiseasesHyperthyroidismAutoimmune DiseasesImmune System Diseases

Study Officials

  • Danping Huang

    Zhongshan Ophthalmic Center, Sun Yat-sen University

    STUDY CHAIR
  • Xiaonan Yang

    Zhongshan Ophthalmic Center, Sun Yat-sen University

    STUDY DIRECTOR
  • Siming Ai

    Zhongshan Ophthalmic Center, Sun Yat-sen University

    PRINCIPAL INVESTIGATOR
  • Huasheng Yang

    Zhongshan Ophthalmic Center, Sun Yat-sen University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
the graduate student of Zhongshan Ophthalmic Center

Study Record Dates

First Submitted

November 3, 2014

First Posted

November 14, 2014

Study Start

January 1, 2014

Primary Completion

November 1, 2017

Study Completion

November 1, 2017

Last Updated

November 28, 2017

Record last verified: 2017-11

Locations