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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03871062
Other study ID # SHIRB20190228
Secondary ID
Status Recruiting
Phase N/A
First received
Last updated
Start date March 8, 2019
Est. completion date January 1, 2020

Study information

Verified date March 2019
Source Aier School of Ophthalmology, Central South University
Contact Dong Lin
Phone +86-13080707858
Email lindong_1219@126.com
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

A prospective, randomised, single-masked comparison of local anaesthetic approaches including topical anesthesia combined sub-conjunctival anesthesia (two-step anesthesia) for intravitreal injection #TAIVI# vs topical anesthesia


Description:

Purpose: Patient pain for intravitreal injection is evaluated between topical anesthesia combined sub-conjunctival anesthesia (two-step anesthesia) and topical anesthesia.

Methods: This prospective, randomized, single-blinded clinical trail is conducted at Shanghai Aier Eye Hospital. Selected group of 60 patients will be randomized divided into 2 groups and underwent intravitreal injection of antiangiogenic agents and steroids. Group1 uses two-step anesthesia , whereas Group 2 uses topical anesthesia. A 5-point Visual Analogue Pain Scale is used to assess patients' pain score and surgeon's ease while operating. Any complications therefore will be made note of.


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date January 1, 2020
Est. primary completion date September 11, 2019
Accepts healthy volunteers No
Gender All
Age group 30 Years to 85 Years
Eligibility Inclusion Criteria:

Neovascular age-related macular degeneration (wAMD); Pathologic myopia with choroidal neovascularisation (PM-CNV); Diabetic macular edema (DME); Retinal vein occlusion with macular edema (RVO-ME); Other diseases: uveitis with macular edema or choroidal neovascularisation.

Exclusion Criteria:

Communication problems; Allergy to amide-type local anaesthetic agents; History of vitreoretinal surgery or orbital surgery; Orbital deformity; With episcleral adjunct surgery; Trauma; Keratitis; Conjunctivitis.

Study Design


Related Conditions & MeSH terms


Intervention

Procedure:
Two step anesthesia
conjunctival cul-de-sac anesthetized with 0.5% proparacaine hydrochloride drops three times + 2% lidocaine 0.2 ml subconjunctival injection
topical anesthesia
conjunctival cul-de-sac anesthetized with 0.5% proparacaine hydrochloride drops three times

Locations

Country Name City State
China Shanghai Aier Eye Hospital Shanghai

Sponsors (1)

Lead Sponsor Collaborator
Aier School of Ophthalmology, Central South University

Country where clinical trial is conducted

China, 

References & Publications (5)

Blaha GR, Tilton EP, Barouch FC, Marx JL. Randomized trial of anesthetic methods for intravitreal injections. Retina. 2011 Mar;31(3):535-9. doi: 10.1097/IAE.0b013e3181eac724. — View Citation

Nguyen NCI, Fabro F, Ambresin A, Ezziat S, Bergin C, Mazzocato C, Mantel I. Factors associated with pain during intravitreal injection of anti-vascular endothelial growth factor. Eye (Lond). 2018 Sep;32(9):1544-1546. doi: 10.1038/s41433-018-0126-z. Epub 2 — View Citation

Sanabria MR, Montero JA, Losada MV, Fernández-Muñoz M, Galindo A, Fernández I, Coco RM, Sampedro A. Ocular pain after intravitreal injection. Curr Eye Res. 2013 Feb;38(2):278-82. doi: 10.3109/02713683.2012.758290. Epub 2013 Jan 18. — View Citation

Shin SH, Park SP, Kim YK. Factors Associated with Pain Following Intravitreal Injections. Korean J Ophthalmol. 2018 Jun;32(3):196-203. doi: 10.3341/kjo.2017.0081. Epub 2018 May 15. — View Citation

Shiroma HF, Takaschima AKK, Farah ME, Höfling-Lima AL, de Luca Canto G, Benedetti RH, Rodrigues EB. Patient pain during intravitreal injections under topical anesthesia: a systematic review. Int J Retina Vitreous. 2017 Jul 3;3:23. doi: 10.1186/s40942-017- — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Pain scores 5-point Visual Analogue Pain Scale (VAPS): Grade 1: No pain or discomfort; Grade 2: mild pain or discomfort; Grade 3: moderate pain or discomfort; Grade 4: severe pain or discomfort During surgery
Secondary Surgeon's ease Grade 1: No discomfort; Grade 2: mild discomfort; Grade 3: moderate discomfort; Grade 4: severe discomfort During surgery
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