- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03713268
Intraoperative OCT Guidance of Intraocular Surgery II (MIOCT)
Intraoperative OCT Guidance of Intraocular Surger
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Neeru Sarin, MBBS
- Phone Number: 919-668-5341
- Email: neeru.sarin@duke.edu
Study Contact Backup
- Name: Michelle N McCall, MCAPM, BA
- Phone Number: 919-684-0554
- Email: michelle.mccall@duke.edu
Study Locations
-
-
North Carolina
-
Durham, North Carolina, United States, 27710
- Recruiting
- Duke University Eye Center
-
Contact:
- Michelle McCall
- Phone Number: 919-684-0544
- Email: mccal023@mc.duke.edu
-
Contact:
- Neeru Sarin
- Phone Number: 9196685641
- Email: neeru.sarin@duke.edu
-
Principal Investigator:
- Cynthia A Toth, MD
-
Principal Investigator:
- Anthony Kuo, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
262 subjects enrolled in 3 groups as follows:
- Healthy Controls: 50 subjects
- Surgeons as research subjects performing randomized testing in wet lab: 22 subjects
- Surgical patients as research subjects for application to ocular vitreoretinal and anterior segment surgery: 190 subjects
Description
Inclusion Criteria:
- Healthy controls: Healthy eyes without known disease: refractive error including myopia and non-significant cataract is allowed. For selected testing pseudophakia is allowed.
- Surgeons as research subjects: Adult (≥18 years old)
- Surgical patients (vitreoretinal surgery): Patients undergoing examination under anesthesia or surgery for vitreoretinal diseases
- Surgical patients (anterior segment surgery-glaucoma, ocular surface or strabismus requiring extraocular muscle surgery): Include both adults and children. Patient undergoing primary, elective minimally invasive glaucoma surgery, ocular surface surgery, or strabismus surgery.
Exclusion Criteria:
- Healthy controls: Any ocular disease that restricts the ability to perform OCT scanning. Conflict of interest with investigators/study personnel, e.g. a student in the lab of an investigator.
- Surgeons as research subjects: no specific exclusion criteria.
- Surgical patients (vitreoretinal surgery): Neonates (< 4 weeks of age) and patients with any ocular disease that restricts the ability to perform OCT scanning.
- Surgical patients (anterior segment surgery-corneal and cataract diseases): Pediatric patients: The cornea and cataract surgery studies will be restricted to adults (≥ 18 years). Children do not have cataract surgery typically by residents and therefore would not fit our study design. Similarly pediatric corneal transplants are very rare.
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Healthy (ocular health) participants
Adult subjects with normal, ocular health will be enrolled to evaluate and obtain multiple images from the microscope integrated optical coherence tomography system for reproducibility testing in humans, provide feedback to engineers, and verify that the system functions to produce high quality images of the desired areas of the eye after ex vivo development before surgical use. Each healthy subject will be imaged by the MIOCT system. There will be no surgery or intervention on these healthy volunteer subjects. We anticipate that a portion of the volunteer subjects would have repeat imaging (e.g. for reproducibility testing). |
This is translational study in which subjects will either be imaged with a microscope integrated optical coherence tomography (MIOCT) system or they will use MIOCT during surgical procedures.
OCT systems are optical imaging technology that allow non-contact imaging of the microanatomy of the retina, cornea, optic nerve head and retinal blood vessels.
The MIOCT has been integrated into the surgical microscope used in retinal and anterior segment surgeries so it does not touch the eye.
Unlike visible light from many examination devices, the infrared OCT beam is barely visible to the human eye as it sweeps across the retina.
Thus the patient is not disturbed by the light.
Other Names:
|
Surgeons as research subjects
Duke Eye Center surgical trainees (residents and fellows), attending surgeons, and surgeons from other medical institutions will be enrolled as subjects as we will test their performance with and without microscope integrated optical coherence tomography and with and without advances in 4D MIOCT in model surgeries in the research wet lab to better understand the utility of specific aspects and of this next generation MIOCT as a whole for specific anterior segment and retinal surgical tasks.
|
This is translational study in which subjects will either be imaged with a microscope integrated optical coherence tomography (MIOCT) system or they will use MIOCT during surgical procedures.
OCT systems are optical imaging technology that allow non-contact imaging of the microanatomy of the retina, cornea, optic nerve head and retinal blood vessels.
The MIOCT has been integrated into the surgical microscope used in retinal and anterior segment surgeries so it does not touch the eye.
Unlike visible light from many examination devices, the infrared OCT beam is barely visible to the human eye as it sweeps across the retina.
Thus the patient is not disturbed by the light.
Other Names:
|
Surgical patients
Adult and minor (> 4 months of age) surgical patients will be enrolled to evaluate and obtain multiple images from the microscope integrated optical coherence tomography system during clinically indicated vitreoretinal and anterior segment surgical procedures.
|
This is translational study in which subjects will either be imaged with a microscope integrated optical coherence tomography (MIOCT) system or they will use MIOCT during surgical procedures.
OCT systems are optical imaging technology that allow non-contact imaging of the microanatomy of the retina, cornea, optic nerve head and retinal blood vessels.
The MIOCT has been integrated into the surgical microscope used in retinal and anterior segment surgeries so it does not touch the eye.
Unlike visible light from many examination devices, the infrared OCT beam is barely visible to the human eye as it sweeps across the retina.
Thus the patient is not disturbed by the light.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Retinal and/or corneal microscope integrated optical coherence tomography image capture
Time Frame: Year 1
|
Ability to capture images
|
Year 1
|
Quality of retinal and/or corneal microscope integrated optical coherence tomography image capture
Time Frame: Year 1
|
Quality of MIOCT images scored based on standard microanatomy and ability to detect presence or absence of ocular pathologies based on review by a masked grader.
|
Year 1
|
Retinal vascular flow on optical coherence tomography angiography (OCTA) versus fluorescein angiography
Time Frame: Year 1
|
Cross correlation of ability to capture vessels and vessel pathology between OCTA and fluorescein angiographic images.
|
Year 1
|
Assessment of change in pattern of ocular vascular flow before and after standard clinical surgical steps.
Time Frame: Year 1
|
Presence or absence of change in ocular morphology in pattern of vascular flow compared to prior to surgical steps
|
Year 1
|
Assessment of change in ocular morphology before and after standard surgical steps
Time Frame: Year 1
|
Presence or absence of change in ocular morphology before and after standard surgical steps
|
Year 1
|
Estimate of subretinal fluid volume before and after surgery for retinal detachment based on surgical view versus based on OCT output
Time Frame: Year 1
|
Volume estimates from surgeons analyzed relative to the postoperative calculated volume from the intraoperative MIOCT
|
Year 1
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Cynthia A Toth, MD, Duke University
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Nervous System Diseases
- Eye Diseases
- Endocrine System Diseases
- Diabetic Angiopathies
- Diabetes Complications
- Diabetes Mellitus
- Lens Diseases
- Cranial Nerve Diseases
- Ocular Motility Disorders
- Retinal Diseases
- Diabetic Retinopathy
- Cataract
- Strabismus
- Retinal Perforations
- Retinal Detachment
- Epiretinal Membrane
Other Study ID Numbers
- Pro00100437
- U01EY028079 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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