- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04343222
Control of Pain in Intravitreal Injections Using Topical NSAIDs (COPIVIN)
Control of Pain in Intravitreal Injections (COPIVIN Study): A Study Evaluating the Use of Combination Topical Anesthetic and Non-Steroidal Anti-Inflammatory Drugs (NSAIDs)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Intravitreal injections are a very common form of treatment for a variety of ocular pathologies. The use of these injections has only increased given the large utility they provide. They both improved visual outcomes and provided patients an overall better quality of life. However, a problem experienced by patients who undergo these injections is the need for multiple reoccurring injections to maintain control of their disease. It has long been an issue to provide patients optimal pain relief both during and after their intravitreal injections. Topical anesthesia is often utilized through frequent rounds of proparacaine eye drops. Other providers often use Lidocaine gel or Lidocaine-soaked cotton swaps with variable results in terms of pain control. Subconjunctival lidocaine has also been utilized with variable control of pain, however patients did report anxiety with the thought of being given an additional injection.
Patient pain is subjective and difficult to objectively quantify when comparing different methods of post-injection control. One commonly employed pain rating system is the Wong-Baker FACES pain scale which has been quite successful in objectively quantifying patient discomfort. It should be noted that this scale is only reliable in a patient whom is able to understand how the scale works.
Other research studies have shown adequate to improved pain control through the use of topical non-steroidal anti-inflammatory drug (NSAID) eye drops. One study looked at the use of topical Nepafenac 0.10% on post injection pain. This study used the McGill pain assessment questionnaire, which not only quantified pain but the additional benefit of describing the nature of the pain the patient experienced.
A clinical research study looked at pain immediately and 6 hours after injection. The researchers found that when compared to the control group (artificial tears) the group who received NSAID eye drops had better pain control. In a similar study, Bromfenac, another topical NSAID eye drop, provided good pain relief post injection, setting a precedent for the use of topical NSAIDs in controlling IVI pain.
However, studies have only reported pain relief immediately and 6 hours after injection. There have not been any studies showing pain control 24 hours post injection. Furthermore, no studies to date have compared the timing of application of a topical NSAID, in the alleviation of long-term pain patients experience. Bromfenac 0.09% is the agent of choice given its previously demonstrated effectiveness in pain control and also strength when compared to other ophthalmic NSAIDs. This was demonstrated in a paper by Sheppard that compared Bromfenac with other topical NSAID eye drops and proved that it offered approximately 3-4 times higher levels of COX-2 inhibition. It has been approved by the FDA as a one time daily eye drop to reduce inflammation. It is commonly utilized following cataract surgery to help reduce intraocular inflammation. This study looks at this medication's utility to control pain following IVI, another invasive procedure. Pain control would be assessed immediately following injection, 6 hours post injection and 24 hours post injection. This will allow evaluation of Bromfenac 0.09%'s effectiveness on overall immediate pain control as well as on ocular discomfort/soreness that can often follow IVI. Additionally, two intervention groups to compare Bromfenac 0.09% instillation 30 minutes prior to IVI and instillation immediately following IVI.
The primary goal of this study is to determine if topically administered Bromfenac 0.09% eye drops can reduce the discomfort that patient experience both during and after intravitreal injections. Additionally, the effect of both pre and post injection application of topical Bromfenac 0.09% on subjective pain scores will be investigated.
This study will be a pilot study consisting of 46 participants. These participants will be selected from those that have a diagnosis requiring intravitreal injection of an anti-VEGF agent (Vascular Endothelial Growth Factor (VEGF)). Participants that have already undergone intravitreal injection at least once before will be eligible. This will serve to minimize bias from initial injection anxiety and will give participants a comparative data point (prior injection discomfort). Participants will be randomized into one of three groups, which will be known as group A, B or C. The groups will have drop regimens as follows:
- Group A: Will receive 1 drop of topical Bromfenac 0.09% 30 minutes prior to the injection and then 1 drop of an artificial tear eye drop immediately after the injection and wash.
- Group B: Will receive 1 drop of an artificial tear eye drop 30 minutes prior to the injection and then 1 drop of topical Bromfenac 0.09% immediately after the injection and wash.
- Group C: Will receive 1 drop of an artificial tear eye drop 30 minutes prior to the injection and then 1 drop of an artificial tear eye drop immediately after the injection and wash.
All labels will be removed from the bottles and the participants will be blinded to which group they belong to. The treating physicians will also be blinded to which group the participants belong to.
Immediately following the injection, each participant will be asked to rate their pain using the Wong-Baker FACES pain scale as well as the McGill Pain Questionnaire (SF-MPQ). Participants will then be given instructions and will be told to expect a call at 6 and 24 hours regarding further follow up phone questionnaires. Participants will also be provided with a phone number to contact should they have any complications (ie. discomfort, increased pain, vision changes, or any other questions). Participants will be provided with a copy of the Wong-Baker FACES pain scale and the McGill Pain Questionnaire to take home with them. Participants will be called 6 hours post-injection for further assessment of their pain using both the Wong-Baker FACES pain scale and the McGill Pain Questionnaire (SF-MPQ). At 24 hours, participants will again be contacted and their pain will be assessed one final time using both the Wong-Baker FACES pain scale and the McGill Pain Questionnaire (SF-MPQ). This will serve as the last point of data gathered from participants.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
-
-
Wisconsin
-
Madison, Wisconsin, United States, 53792
- University of Wisconsin
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Eyes with retinal pathology requiring anti-VEGF therapy
- Previously had an IVI
Exclusion Criteria:
- History of previous eye surgery other than cataract extraction
- Herpetic eye disease
- Uncontrolled glaucoma
- Uveitis
- Acute conjunctivitis
- Pregnancy
- Known previous adverse response or contraindication to intravitreal injection, Bromfenac, or other NSAIDs.
- Keratitis including povidone-induced keratitis
- Bullous keratopathy
- Diagnosis of dry eye syndrome
- Uncontrolled diabetes
- NSAID use 3 days prior to IVI
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Supportive Care
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Group A: Bromfenac then Artificial Tears
Participant receives 1 drop of topical Bromfenac 0.09% 30 minutes prior to the injection and then 1 drop of an artificial tear eye drop immediately after the injection and wash.
|
An NSAID used to treat eye pain and swelling
eye drops to lubricate the eye and maintain moisture
|
Experimental: Group B: Artificial Tears then Bromfenac
Participant receives 1 drop of an artificial tear eye drop 30 minutes prior to the injection and then 1 drop of topical Bromfenac 0.09% immediately after the injection and wash.
|
An NSAID used to treat eye pain and swelling
eye drops to lubricate the eye and maintain moisture
|
Placebo Comparator: Group C: Artificial Tears then Artificial Tears
Participants receives 1 drop of an artificial tear eye drop 30 minutes prior to the injection and then 1 drop of an artificial tear eye drop immediately after the injection and wash.
|
eye drops to lubricate the eye and maintain moisture
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
McGill Pain Questionnaire (SF-MPQ) Scores at Baseline
Time Frame: Baseline
|
Assessment of topical 0.09% Bromfenac's analgesic effect pre- and post-injection in participants undergoing intravitreal injections (IVI) of anti-VEGFs as measured by the SF-MPQ.
The SF-MPQ questionnaire contains 15 sensory and affective descriptors each rated on a 0-3 scale where 0 is none, 1 is mild, 2 is moderate, and 3 is severe.
The total possible range of scores is 0-45 where the higher the score, the more intense the pain.
|
Baseline
|
McGill Pain Questionnaire (SF-MPQ) Scores at 6 Hours Post Injection
Time Frame: 6 hours post injection
|
Assessment of topical 0.09% Bromfenac's analgesic effect pre- and post-injection in participants undergoing intravitreal injections (IVI) of anti-VEGFs as measured by the SF-MPQ.
The SF-MPQ questionnaire contains 15 sensory and affective descriptors each rated on a 0-3 scale where 0 is none, 1 is mild, 2 is moderate, and 3 is severe.
The total possible range of scores is 0-45 where the higher the score, the more intense the pain.
|
6 hours post injection
|
McGill Pain Questionnaire (SF-MPQ) Scores at 24 Hours Post Injection
Time Frame: 24 hours post injection
|
Assessment of topical 0.09% Bromfenac's analgesic effect pre- and post-injection in participants undergoing intravitreal injections (IVI) of anti-VEGFs as measured by the SF-MPQ.
The SF-MPQ questionnaire contains 15 sensory and affective descriptors each rated on a 0-3 scale where 0 is none, 1 is mild, 2 is moderate, and 3 is severe.
The total possible range of scores is 0-45 where the higher the score, the more intense the pain.
|
24 hours post injection
|
Wong-Baker FACES Pain Scale Scores at Baseline
Time Frame: Baseline
|
Assessment of topical 0.09% Bromfenac's analgesic effect pre- and post-injection in patients undergoing intravitreal injections of anti-VEGFs as measured by the Wong-Baker FACES pain scale.
This scale is compromised of drawings of faces that appear to be experiencing increasing pain, from which the participant chooses their current level of pain.
Scoring is defined on the scale as, "Face 0 doesn't hurt at all.
Face 2 hurts just a little bit.
Face 4 hurts a little bit more.
Face 6 hurts even more.
Face 8 hurts a whole lot.
Face 10 hurts as much as you can imagine, although you don't have to be crying to have this worst pain."
|
Baseline
|
Wong-Baker FACES Pain Scale Scores at 6 Hours Post Injection
Time Frame: 6 hours post injection
|
Assessment of topical 0.09% Bromfenac's analgesic effect pre- and post-injection in patients undergoing intravitreal injections of anti-VEGFs as measured by the Wong-Baker FACES pain scale.
This scale is compromised of drawings of faces that appear to be experiencing increasing pain, from which the participant chooses their current level of pain.
Scoring is defined on the scale as, "Face 0 doesn't hurt at all.
Face 2 hurts just a little bit.
Face 4 hurts a little bit more.
Face 6 hurts even more.
Face 8 hurts a whole lot.
Face 10 hurts as much as you can imagine, although you don't have to be crying to have this worst pain."
|
6 hours post injection
|
Wong-Baker FACES Pain Scale Scores at 24 Hours Post Injection
Time Frame: 24 hours post injection
|
Assessment of topical 0.09% Bromfenac's analgesic effect pre- and post-injection in patients undergoing intravitreal injections of anti-VEGFs as measured by the Wong-Baker FACES pain scale.
This scale is compromised of drawings of faces that appear to be experiencing increasing pain, from which the participant chooses their current level of pain.
Scoring is defined on the scale as, "Face 0 doesn't hurt at all.
Face 2 hurts just a little bit.
Face 4 hurts a little bit more.
Face 6 hurts even more.
Face 8 hurts a whole lot.
Face 10 hurts as much as you can imagine, although you don't have to be crying to have this worst pain."
|
24 hours post injection
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Mihai Mititelu, MD, MPH, University of Wisconsin, Madison
- Principal Investigator: Maxwell Wingelaar, MD, University of Wisconsin, Madison
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2019-0095
- A536000 (Other Identifier: UW Madison)
- SMPH/OPHTHAL&VIS SCI/GEN (Other Identifier: UW Madison)
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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