NCT03349515

Brief Summary

Determine whether the application of povidone-iodine ophthalmic solution onto the ocular surface causes a change in respiration in children undergoing strabismus surgery with general anesthesia. Hypothesis: The application of povidone-iodine ophthalmic solution to the ocular surface causes a change in respiration in children during general anesthesia prior to strabismus surgery.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
106

participants targeted

Target at P50-P75 for phase_4

Timeline
Completed

Started Nov 2017

Shorter than P25 for phase_4

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

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 23, 2017

Completed
10 days until next milestone

Study Start

First participant enrolled

November 2, 2017

Completed
19 days until next milestone

First Posted

Study publicly available on registry

November 21, 2017

Completed
10 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 19, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 19, 2018

Completed
12 months until next milestone

Results Posted

Study results publicly available

September 16, 2019

Completed
Last Updated

September 16, 2019

Status Verified

September 1, 2019

Enrollment Period

11 months

First QC Date

October 23, 2017

Results QC Date

July 25, 2019

Last Update Submit

September 13, 2019

Conditions

Outcome Measures

Primary Outcomes (1)

  • Breath Duration

    The iPhone stopwatch application will be used and its 'lap button' feature to collect the respiration peak intervals (in seconds) for 5 breaths. Specifically, at the patient's peak inspiration (as seen on the capnography), the study member will start the stopwatch and proceed to hit the 'lap' button for the next 5 consecutive inspiration peaks. These data intervals will be recorded on the data sheet after the 5 breaths are over, as the intervals are conveniently stored and numbered below the stopwatch in the app

    5 minutes

Study Arms (2)

Group A - povidone-iodine ophthalmic solution.

ACTIVE COMPARATOR

Group A will receive three drops of povidone-iodine ophthalmic solution in each eye, with the right eye to receive the drops first.

Drug: Provodine-Iodine Solution

Group B - ophthalmic balanced salt solution.

ACTIVE COMPARATOR

Group B will receive three drops in each eye of ophthalmic balanced salt solution, with the right eye to receive the drops first.

Drug: Group B will receive three drops in each eye of ophthalmic balanced salt solution.

Interventions

Group A will receive three drops of povidone-iodine ophthalmic solution in each eye, with the right eye to receive the drops first. The eye drops will be administered by the study anesthesiologist. After application of either solution to the eyes of the patient, any change in ventilation can be detected and timed by observation of the capnography (end-tidal carbon dioxide) and direct observation of the chest wall with use of the iPhone stopwatch feature again. The capnograph is a standard monitor of respiration used during the administration of general anesthesia. Data collected at this time will include whether or not there was a change in respiration, what this change in respiration was, if assisted ventilation was required, how long assisted ventilation was required (if applicable), HR, BP, RR, SaO2 , ETCO2, InspSevo, and ExpSevo. This study intervention and data collection will take less than 5 minutes.

Group A - povidone-iodine ophthalmic solution.

Group B will receive three drops in each eye of ophthalmic balanced salt solution. The eye drops will be administered by the study anesthesiologist. After application of either solution to the eyes of the patient, any change in ventilation can be detected and timed by observation of the capnography (end-tidal carbon dioxide) and direct observation of the chest wall with use of the iPhone stopwatch feature again. The capnograph is a standard monitor of respiration used during the administration of general anesthesia. Data collected at this time will include whether or not there was a change in respiration, what this change in respiration was, if assisted ventilation was required, how long assisted ventilation was required (if applicable), HR, BP, RR, SaO2 , ETCO2, InspSevo, and ExpSevo. This study intervention and data collection will take less than 5 minutes

Group B - ophthalmic balanced salt solution.

Eligibility Criteria

Age1 Year - 17 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • Children between the ages of 1 year and 17 years
  • Scheduled for strabismus surgery
  • Anesthesia plan includes inhalational induction with sevoflurane and the use of a laryngeal mask airway (LMA) with spontaneous ventilation, per the attending anesthesiologist.

You may not qualify if:

  • History of an adverse reaction to iodine
  • History of any thyroid disease
  • Patients who require tracheal intubation, as determined by the attending anesthesiologist; e.g. craniofacial anomalies.
  • Patients with a contraindication to sevoflurane, such as malignant hyperthermia or severe left ventricular dysfunction.
  • Inability or unwillingness of the subject or legal guardian/ representative to give informed consent.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Medical University of South Carolina

Charleston, South Carolina, 29425, United States

Location

MeSH Terms

Conditions

Strabismus

Condition Hierarchy (Ancestors)

Ocular Motility DisordersCranial Nerve DiseasesNervous System DiseasesEye Diseases

Results Point of Contact

Title
Dr. Michelle Rovner
Organization
Medical University of South Carolina

Publication Agreements

PI is Sponsor Employee
No
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 4
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
OTHER
Intervention Model
PARALLEL
Model Details: Group A - povidone-iodine ophthalmic solution, or Group B - ophthalmic balanced salt solution. This randomization will be determined using a simple randomization scheme provided by the study's statistician
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant Professor

Study Record Dates

First Submitted

October 23, 2017

First Posted

November 21, 2017

Study Start

November 2, 2017

Primary Completion

September 19, 2018

Study Completion

September 19, 2018

Last Updated

September 16, 2019

Results First Posted

September 16, 2019

Record last verified: 2019-09

Locations