Smoking: Cytokines in Vitreous and Aqueous Humor

November 25, 2019 updated by: Medical University of Graz

Smoking is a risk factor for ophthalmologic diseases. Inflammation might play a role in their pathogenesis.

This study elucidates intraocular cytokine profiles in smokers and non smokers.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Actual)

50

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

patients scheduled for vitrectomy at the Medical University of Graz/Austria

Description

Inclusion Criteria:

  • scheduled vitrectomy and/or cataract surgery
  • signed informed consent

Exclusion Criteria:

  • diabetes
  • uveitis
  • rheumatologic disease
  • anti-inflammatory/immunomodulatory medications
  • st.p. intravitreal injections
  • st.p. glaucoma surgery
  • cataract surgery on the eye to be examined within the past 6 months

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
smokers
active smokers
Diagnostic test: cytokine analysis
analysis of intraocular cytokines
non-smokers
never smokers
Diagnostic test: cytokine analysis
analysis of intraocular cytokines

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
cotinine
Time Frame: At the time of vitrectomy procedure
Concentration of intraocular cotinine
At the time of vitrectomy procedure

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Medical University of Graz

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

January 1, 2012

Primary Completion (Actual)

January 1, 2015

Study Completion (Actual)

June 1, 2019

Study Registration Dates

First Submitted

November 18, 2019

First Submitted That Met QC Criteria

November 25, 2019

First Posted (Actual)

November 26, 2019

Study Record Updates

Last Update Posted (Actual)

November 26, 2019

Last Update Submitted That Met QC Criteria

November 25, 2019

Last Verified

November 1, 2019

More Information

Terms related to this study

Other Study ID Numbers

  • 30-107 ex 17/18

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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