NCT06525051

Brief Summary

This study aimed to examine the effect of Tiotropium, which is used in the treatment of COPD, on eye symptoms.The study was conducted prospectively. Patients were examined in three groups. Thirty-six patients were included in each group in the study. Anterior chamber parameters, intraocular pressure values, and photopic-mesopic pupil diameters were measured at the initial visit for Group 1 and Group 2 patients, and at the third month of treatment for Group 3 patients.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
108

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Oct 2023

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 23, 2023

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 30, 2024

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

April 30, 2024

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

July 21, 2024

Completed
8 days until next milestone

First Posted

Study publicly available on registry

July 29, 2024

Completed
Last Updated

July 29, 2024

Status Verified

July 1, 2024

Enrollment Period

5 months

First QC Date

July 21, 2024

Last Update Submit

July 26, 2024

Conditions

Keywords

COPDEye findingsTiotropiumIntraocular pressureGlaucoma

Outcome Measures

Primary Outcomes (1)

  • Tiotropium causes narrowing of the eye angles and an increase in intraocular pressure and pupil diameters.

    Tiotropium 18 mcg is a long-acting anticholinergic drug used in the treatment of COPD. In patients diagnosed with COPD who do not receive any steroid treatment and who are not diagnosed with hypertension, glaucoma, diabetes mellitus, cataract and who have not undergone eye surgery and using only handhaler Tiotropium 18 microgram, a narrowing of the eye angles, an increase in photopic-mesopic pupil diameters and intraocular pressure were detected in the third month of treatment.

    Measurements were made in the third month of Tiotropium treatment.

Secondary Outcomes (1)

  • Tiotropium did not cause acute angle-closure glaucoma in COPD patients.

    Measurements were made in the third month of Tiotropium treatment.

Study Arms (3)

Group 1

Group 1 consisted of COPD patients not receiving any treatment ( inhaled and/or systemic steroids, long-acting inhaled beta-2 agonists alone, theophylline and combined long-acting beta-2 agonists and long-acting anticholinergic ). These patients are early stage COPD patients.

Group 2

Group 2 consisted of healthy volunteers for similar age and gender.

Group 3

Group 3 consisted of COPD patients of the same age and gender with receiving only handhaler Tiotropium 18 mcg for three months.

Drug: Tiotropium

Interventions

Tiotropium is a long-acting anticholinergic agent and has a bronchodilator effect. According to the COPD Gold 2024 guideline, it is one of the long-acting bronchodilator drugs used as the first choice in the treatment of group A COPD patients.

Group 3

Eligibility Criteria

Age47 Years - 82 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Three groups were formed for the study. Group 1 consisted of COPD patients not receiving treatment, Group 2 consisted of healthy volunteers for similar age and gender, and Group 3 consisted of COPD patients of the same age and gender with receiving handhaler Tiotropium 18 mcg. Anterior chamber parameters, intraocular pressure values and photopic-mesopic pupil diameters were measured at the initial visit for Group 1 and Group 2 patients, and at the third month of treatment for Group 3 patients.

You may qualify if:

  • Clinical diagnosis of COPD
  • Not receiving any COPD treatment
  • Receiving only 18 mcg Tiotropium treatment
  • With written consent

You may not qualify if:

  • \. Patients under 18 years of age 2. Pregnant women 3. Without written consent 4. Receiving the following medications: 4a. Inhaled and/or systemic steroids 4b. Long-acting inhaled beta-2 agonists 4c. Combined long-acting beta-2 agonists and long-acting anticholinergics 4d. Topical medication
  • \. Patients with the following comorbidities 5a. Glaucoma 5b. Cataract 5c. Hypertension 5d. Diabetes Mellitus 5e. Patients had previously undergone eyelid, refractive, or intraocular surgery, those with corneal diseases altering the corneal surface
  • \. Patients receiving topical medications for chronic eye diseases 7. Patients receiving medications for diabetes mellitus 8. Patients receiving medications for hypertension 8. Patients those using contact lenses

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Giresun Training and Research Hospital

Giresun, Gi̇resun, 28100, Turkey (Türkiye)

Location

Related Publications (1)

  • Aksoy HB, Koc H. Effect of Tiotropium on eye findings in the treatment of chronic obstructive pulmonary disease. BMC Pulm Med. 2024 Aug 28;24(1):418. doi: 10.1186/s12890-024-03240-1.

MeSH Terms

Conditions

Pulmonary Disease, Chronic ObstructiveGlaucoma, Angle-ClosureEye ManifestationsGlaucoma

Interventions

Tiotropium Bromide

Condition Hierarchy (Ancestors)

Lung Diseases, ObstructiveLung DiseasesRespiratory Tract DiseasesChronic DiseaseDisease AttributesPathologic ProcessesPathological Conditions, Signs and SymptomsOcular HypertensionEye DiseasesSigns and Symptoms

Intervention Hierarchy (Ancestors)

Scopolamine DerivativesTropanesAzabicyclo CompoundsAza CompoundsOrganic ChemicalsAlkaloidsHeterocyclic CompoundsBridged Bicyclo Compounds, HeterocyclicHeterocyclic Compounds, Bridged-Ring

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant Professor

Study Record Dates

First Submitted

July 21, 2024

First Posted

July 29, 2024

Study Start

October 23, 2023

Primary Completion

March 30, 2024

Study Completion

April 30, 2024

Last Updated

July 29, 2024

Record last verified: 2024-07

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