- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06325397
Less Discomfort and Less Pharmacology. Cataract Surgery at Physiologic Intraocular Pressure (IOP)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Objectives:
To investigate the impact of Intraocular Pressure (IOP) high vs low on the intraoperative experience for the patient and surgeon
Design:
Prospective, single-surgeon, subject's first eyes undergoing phacoemulsification will be randomized to high (Intraocular Pressure (IOP) 65 millimeters of mercury (mmHg)) or low (IOP 25mmHg) IOP, contralateral eye will receive other treatment
Hypothesis:
Operating at a more physiologic IOP using Active Sentry hand piece during cataract surgery will result in significantly less discomfort/pain as assessed by the decreased need for rescue medication
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: Robyn Kohler, RN
- Phone Number: 2305 515-223-8685
- Email: rkohler@wolfeclinic.com
Study Contact Backup
- Name: Hillery Joiner
- Phone Number: 515-223-8685
- Email: hjoiner@wolfeclinic.com
Study Locations
-
-
Iowa
-
West Des Moines, Iowa, United States, 50266
- Recruiting
- Wolfe Eye Clinic
-
Contact:
- Hillery Joiner
- Phone Number: 2085 5152238685
- Email: hjoiner@wolfeclinic.com
-
Contact:
- Robyn Kohler, RN
- Phone Number: 2305 515-223-8685
- Email: rkohler@wolfeclinic.com
-
Principal Investigator:
- Matthew Rauen, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Visually significant cataract 2-3+ undergoing uncomplicated cataract surgery
- Unremarkable ocular health but inclusive of early Age related macular degeneration (AMD).
Exclusion Criteria:
- History of ocular surgery including corneal refractive surgery
- Compromised zonular integrity or stability
- Uncontrolled diabetes and diabetic retinopathy
- Small pupils
- History of systemic inflammatory disease/uveitis
- History of psychiatric illness, chronic pain/narcotics, benzodiazepine usage
- Abnormal liver or renal function
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
High Intraocular Pressure (IOP)
Eyes in this arm will maintain an Intraocular Pressure (IOP) of 65 millimeters of mercury (mmHg) throughout the cataract surgery.
|
Prospective, single-surgeon, randomized, paired-eye study; patients undergoing sequential, uncomplicated bilateral phacoemulsification using Active Sentry handpiece® with Intraocular Pressure (IOP) ≤ 24 millimeters of mercury (mmHg) (low IOP) in one eye and with IOP ≥ 65 millimeters of mercury (mmHg) (high IOP) in the other eye.
|
Low Intraocular Pressure (IOP)
Eyes in this arm will maintain an Intraocular Pressure (IOP) of 24 millimeters of mercury (mmHg) throughout the cataract surgery.
|
Low Intraocular Pressure (IOP) Prospective, single-surgeon, randomized, paired-eye study; patients undergoing sequential, uncomplicated bilateral phacoemulsification using Active Sentry handpiece® with intraocular IOP ≤ 24 millimeters of mercury (mmHg) (low IOP) in one eye and with IOP ≥ 65 millimeters of mercury (mmHg) (high IOP) in the other eye
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Medication Rescue
Time Frame: Intraoperative
|
Percentage (%) of pts in each group requiring treatment for breakthrough discomfort/pain
|
Intraoperative
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Physiologic Responses associated with pain/inflammation:
Time Frame: Intraoperative
|
Blood pressure- measured systolic pressure over the diastolic pressure
|
Intraoperative
|
Physiologic Responses associated with pain/inflammation:
Time Frame: Intraoperative
|
Pulse rate- measured in beats per minute (bpm)
|
Intraoperative
|
Surgeon Experience: Assessment on patient cooperation
Time Frame: Intraoperative
|
Surgeon assessment on patient cooperation: poor, good, excellent
|
Intraoperative
|
Surgeon Experience: Surgeon intraoperative experience
Time Frame: Intraoperative
|
Surgeon assessment on overall experience: poor, good, excellent
|
Intraoperative
|
Cost- analysis
Time Frame: Intraoperative
|
Cost-analysis on intraoperative pharmacological agents utilized between high vs low Intraocular Pressure (IOP)
|
Intraoperative
|
Collaborators and Investigators
Sponsor
Publications and helpful links
General Publications
- Gills JP, Cherchio M, Raanan MG. Unpreserved lidocaine to control discomfort during cataract surgery using topical anesthesia. J Cataract Refract Surg. 1997 May;23(4):545-50. doi: 10.1016/s0886-3350(97)80211-8.
- Crandall AS, Zabriskie NA, Patel BC, Burns TA, Mamalis N, Malmquist-Carter LA, Yee R. A comparison of patient comfort during cataract surgery with topical anesthesia versus topical anesthesia and intracameral lidocaine. Ophthalmology. 1999 Jan;106(1):60-6. doi: 10.1016/S0161-6420(99)90007-6.
- Reddy AJ, Dang A, Dao AA, Arakji G, Cherian J, Brahmbhatt H. A Substantive Narrative Review on the Usage of Lidocaine in Cataract Surgery. Cureus. 2021 Oct 30;13(10):e19138. doi: 10.7759/cureus.19138. eCollection 2021 Oct.
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
Other Study ID Numbers
- IIT #88313865
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
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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