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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06325397
Other study ID # IIT #88313865
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date October 23, 2023
Est. completion date June 2024

Study information

Verified date March 2024
Source Wolfe Eye Clinic
Contact Robyn Kohler, RN
Phone 515-223-8685
Email rkohler@wolfeclinic.com
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

To investigate the impact of high vs low Intraocular Pressure (IOP) on the intraoperative experience for the patient and surgeon. 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


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


Recruitment information / eligibility

Status Recruiting
Enrollment 75
Est. completion date June 2024
Est. primary completion date April 2024
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group N/A and older
Eligibility 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 Design


Related Conditions & MeSH terms


Intervention

Other:
High Intraocular Pressure (IOP)
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)
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

Locations

Country Name City State
United States Wolfe Eye Clinic West Des Moines Iowa

Sponsors (1)

Lead Sponsor Collaborator
Matthew Rauen

Country where clinical trial is conducted

United States, 

References & Publications (3)

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 — View Citation

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. — View Citation

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. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Medication Rescue Percentage (%) of pts in each group requiring treatment for breakthrough discomfort/pain Intraoperative
Secondary Physiologic Responses associated with pain/inflammation: Blood pressure- measured systolic pressure over the diastolic pressure Intraoperative
Secondary Physiologic Responses associated with pain/inflammation: Pulse rate- measured in beats per minute (bpm) Intraoperative
Secondary Surgeon Experience: Assessment on patient cooperation Surgeon assessment on patient cooperation: poor, good, excellent
Poor cooperation: could not follow instructions, lid squeezing, patient had frequent eye & head movements
Good cooperation: able to follow directions 50% of the time, some lid squeezing and patient movement
Excellent cooperation: able to follow directions >80% of the time with limited lid squeezing and patient movement
Intraoperative
Secondary Surgeon Experience: Surgeon intraoperative experience Surgeon assessment on overall experience: poor, good, excellent
Poor: fluctuating chamber (reverse pupillary block or surge) and reduced efficiency (nucleus & cortex removal)
Good: >75% chamber stability and adequate efficiency
Excellent: Minimal to no fluctuating chamber and excellent efficiency
Intraoperative
Secondary Cost- analysis Cost-analysis on intraoperative pharmacological agents utilized between high vs low Intraocular Pressure (IOP) Intraoperative
See also
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Completed NCT04975971 - A Retrospective Review of DEXTENZA 0.4 mg inseRt Following Corneal Transplant or Cataract Surgery
Recruiting NCT05736042 - Microinterventional Endocapsular Nuclear Fragmentation Assisted Cataract Surgery N/A