Comparative efficacy of topical TetraVisc™ versus lidocaine gel in cataract surgery

ISRCTN ISRCTN78374774
DOI https://doi.org/10.1186/ISRCTN78374774
Protocol serial number N/A
Sponsor University of Florida (USA)
Funder University of Florida (USA) - Department of Ophthalmology
Submission date
02/06/2009
Registration date
09/07/2009
Last edited
18/11/2009
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Eye Diseases
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English summary of protocol

Not provided at time of registration

Contact information

Prof K V Chalam
Scientific

580 W 8th Street, Tower 2, 3rd Floor
Jacksonville
32209
United States of America

Study information

Primary study designInterventional
Study designRandomised multi-surgeon controlled clinical trial
Secondary study designRandomised controlled trial
Study type Participant information sheet
Scientific titleComparative efficacy of topical TetraVisc™ versus lidocaine gel in cataract surgery: randomised, multi-surgeon, controlled clinical trial
Study objectivesTo compare the clinical efficacy of lidocaine 2% gel with tetravisc drops for cataract surgery.
Ethics approval(s)Institutional Review Board/Ethics Committee of University of Florida (ref: 2007-007)
Health condition(s) or problem(s) studiedCataract/topical anaesthesia
InterventionThe patients were randomised by block randomisation (randomly assigned by computer generated numbers) to receive either TetraVisc™ (Tetracaine hydrochloride 0.5%, OCuSOFT) eye drops or lidocaine (Xylocaine 2% jelly, Astra) consecutively. Five doses of TV or LG were applied every 5 minutes, 20 minutes prior to surgery. No intravenous or oral sedation was used as pre-medication.
Intervention typeDrug
PhaseNot Applicable
Drug / device / biological / vaccine name(s)TetraVisc™, lidocaine gel
Primary outcome measure(s)

Grading intra-operative pain using a 0 to 10 Visual Analogue Scale (VAS) within 10 minutes of completion of surgery.

Key secondary outcome measure(s)

1. Grading the surgical experience as 0 - 10 where 0 is poor co-operation and 10 is excellent co-operation
2. Supplemental anaesthesia used
3. Intra-operative complications

Measured at the end of surgery.

Completion date30/11/2006

Eligibility

Participant type(s)Patient
Age groupAdult
SexAll
Target sample size at registration122
Key inclusion criteria1. Patients undergoing cataract surgery under topical anaesthesia
2. Aged 50 - 80 years, no gender preference
Key exclusion criteria1. Unwillingness to have topical anaesthesia
2. High anxiety
3. Dementia or mental instability
4. Deafness
5. Movement disorders
6. Hyperanxiety
7. Inability to complete the Visual Analogue Scale (VAS) of pain line (for example, confusion, communication barriers, visual impairment)
8. Any reported allergy to lidocaine or tetracaine
Date of first enrolment01/01/2006
Date of final enrolment30/11/2006

Locations

Countries of recruitment

  • United States of America

Study participating centre

580 W 8th Street, Tower 2, 3rd Floor
Jacksonville
32209
United States of America

Results and Publications

Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 17/08/2009 Yes No
Participant information sheet Participant information sheet 11/11/2025 11/11/2025 No Yes