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Macular DegenerationNCT00769392

Pilot Study: A Randomized Trial Of Anesthetic Agents For Intravitreal Injection

A study testing Proparacaine Ophthalmic, Tetracaine Ophthalmic and Lidocaine 4% in people with Macular Degeneration, run by Lahey Clinic at 3 sites in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This study is designed to compare four currently used types of anesthesia used prior to intravitreal injection in order to evaluate the most effective method of anesthesia in reducing pain and discomfort associated with intravitreal injections. Read more about this study

Who is it for?
Ages 40 years and older
Conditions the study is for
Macular Degeneration
What is being tested?
Proparacaine Ophthalmic, Tetracaine Ophthalmic and Lidocaine 4%
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
28 participants
Where
3 sitesUnited States
Study dates
Sep 2008to 12 Aug 2009
Phase
Interventional
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 40 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Male or female > 40 years of age
  • Diagnosis of age-related macular degeneration
  • History of at least 1 intravitreal injection in the past in either eye
  • Written informed consent has been obtained

Who cannot join

  • Known allergy or sensitivity to the study medications(s), it's components, or other agents required for the study procedures(e.g. Povidone iodine)

Trial locations and contacts

3 sites in 1 country.

United States3 sites
  • Lahey Clinic Arlington

    Arlington, Massachusetts, 02474

  • Lahey Clinic, Inc.

    Burlington, Massachusetts, 01805

  • Lahey Clinic Northshore

    Peabody, Massachusetts, 01960

Other trials in United States

About this study

This study is designed to compare four currently used types of anesthesia used prior to intravitreal injection in order to evaluate the most effective method of anesthesia in reducing pain and discomfort associated with intravitreal injections.

Read the detailed description

Over the last several years intravitreal injection of pharmacologic agents has become a common procedure in ophthalmology. Injected agents include steroid, antibiotics, and most recently anti-VEGF agents. There are many methods of preparing a patient for intravitreal injection. While there are guidelines for infection prophylaxis, there is currently no standard of care or consensus on which method of anesthesia is most effective in reducing pain and discomfort associated with intravitreal injections.

Patients who have received prior injections and are scheduled to continue regular injections will be randomized to utilize one of four types of anesthetic treatment for each of 4 treatment periods,so that each subject receives all four types of anesthesia over the course of the study. The order of the anesthetic treatment the subject will receive prior to each planned intravitreal injection during the study period will be different for each subject. This will decrease the effect of extraneous variables from influencing subjective pain scores.

Following each procedure, patients will fill out an analog pain scale questionnaire, grading the discomfort of receiving both the anesthesia and the injection(on separate 0-10 scales).

The anesthetic methods used will include: 1.) Drops of Proparacaine on the eye, 2.) Drops of Tetracaine on the eye, 3.) A cotton sponge (pledget) soaked with Lidocaine 4% placed over the conjunctiva and 4.)A subconjunctival injection with 2% Lidocaine.

The subjects' number and type of visits, tests and treatments will be standard of care and will not be different due to the study. The total time for the treatment part of the study coincides with four injections (1 injection per month) or approximately 4 months and will be followed for up to 6 months.

Being tested
Proparacaine Ophthalmic, Tetracaine Ophthalmic, Lidocaine 4%, Lidocaine 2% Injectable Solution
Keywords
Macular Degeneration, Intravitreal injections, Eye anesthesia-Topical/subconjunctival, Eye-surgical procedures, Ophthalmologic anesthesia methods
Medical subject headings
Macular Degeneration

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Proparacaine OphthalmicDrug

    Drops of Proparacaine on the eye, administered as described in the package insert

  • Tetracaine OphthalmicDrug

    Drops of Tetracaine on the eye, administered as described in the package insert

  • Lidocaine 4%Drug

    A cotton sponge(pledget)soaked with Lidocaine 4% placed over the conjunctiva

  • Lidocaine 2% Injectable SolutionDrug

    A subconjunctival injection of Lidocaine 2%

Study groups in NCT00769392
Study groupRoleWhat they receive
All ParticipantsOtherAll Participants will be randomized to receive a unique sequence of one of the 4 anesthetic agents per month, prior to a standard of care monthly intravitreal injection (1 injection per month for a total of 4 months). At the end of study participation, each patient will have received each of the 4 anesthetic agents once prior to one of the 4 intravitreal injections (ex. Randomization to sequence: Proparacaine Ophthalmic drops used prior to Injection 1; Tetracaine Ophthalmic drops used prior to Injection 2; Lidocaine 4% sponge used prior to Injection 3; Lidocaine 2% injectable solution (subconjunctival) used prior to Injection 4).
Receives: Drug: Proparacaine Ophthalmic; Drug: Tetracaine Ophthalmic; Drug: Lidocaine 4%; Drug: Lidocaine 2% Injectable Solution

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Discomfort Associated With the Intravitreal Injection

    Discomfort Associated With the Intravitreal Injection using a Subjective Analog Pain Scale (0-10); no pain (0) and severe pain (10)

    Measured: 16 weeks

Secondary outcomes (1)
  1. Discomfort From Anesthesia Used Prior to Intravitreal Injections

    Discomfort from Anesthesia used prior to Intravitreal Injections using a Subjective Analog Pain Scale (0-10); no pain (0) and severe pain (10).

    Measured: 16 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted9 Oct 2008 (estimated)
  2. Study startSep 2008
  3. Primary completion12 Aug 2009
  4. Study completion12 Aug 2009

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Treatment
Intervention model
Sequential
Model description
Participants will be randomized to receive a unique sequence of one of the 4 anesthetic agents per month, prior to a standard of care monthly intravitreal injection (1 injection per month for a total of 4 months). At the end of study participation, each patient will have received each of the 4 anesthetic agents once prior to one of the 4 intravitreal injections (ex. Randomization to sequence: Proparcacaine used prior to Injection 1; Tetracaine used prior to Injection 2; Lidocaine sponge used prior to Injection 3; Lidocaine suconjunctival injection used prior to Injection 4).
Masking
None (open label)
Enrolment
28 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00769392
Sponsor's protocol ID
2008-076
Status last verified
Mar 2019
First submitted
8 Oct 2008
Last updated
9 Mar 2020
Data monitoring committee
No
Individual data sharing
No

Publications

  • Kaderli B, Avci R. Comparison of topical and subconjunctival anesthesia in intravitreal injection administrations. Eur J Ophthalmol. 2006 Sep-Oct;16(5):718-21. doi: 10.1177/112067210601600509.

    PubMed 17061223
  • Landry DA. Topical anesthetic pledgett system (TAPS) for intravitreal injection preparation. Insight. 2007 Oct-Dec;32(4):20.

    PubMed 18306942

Questions about this trial

What is this clinical trial studying?

A study testing Proparacaine Ophthalmic, Tetracaine Ophthalmic and Lidocaine 4% in people with Macular Degeneration, run by Lahey Clinic at 3 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 9 Mar 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 3 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Yes. Results are posted in the registry (first posted 21 Mar 2019). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Discomfort Associated With the Intravitreal Injection (time frame: 16 weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00769392, which also lists 2 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 9 Mar 2020.

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