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Age-related Macular DegenerationEarly Phase 1NCT03571100

Comfort and Antimicrobial Efficacy of Chlorhexidine vs Betadine for Intravitreal Injections

A Early Phase 1 study testing Chlorhexidine and Povidine-Iodine in people with Age-related Macular Degeneration and Diabetic Vascular Diseases, run by MidAtlantic Retina at 1 site in United States.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

The purpose of this prospective interventional study is to compare patient experience, ocular surface irritation, and bacterial colony counts and microbial spectrum between povidine iodine and aqueous chlorhexidine as ocular surface antiseptic prior to intravitreal injection Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Chlorhexidine and Povidine-Iodine
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
100 participants
Where
1 siteUnited States
Study dates
7 May 2018to 6 May 2019
Phase
Early Phase 1
Are there results?
None posted in the registry

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

Who may be able to join

  • Current patient of the Wills Eye Hospital Retina Service including all Mid Atlantic Retina offices
  • Clinical indication of bilateral intravitreal injection as determined by the treating retina specialist for a diagnosis of age-related macular degeneration, diabetic macular edema, proliferative retinopathy or macular edema associated with retina vein occlusion.
  • Age greater than 18.

Who cannot join

  • Documented allergy to PI or AC
  • Current diagnosis of infectious keratitis
  • History of unilateral contact lens wear in the past 30 days
  • Current unilateral use of prescription eye drops.

Trial locations and contacts

1 site in 1 country.

United States1 site, 1 recruiting
  • MidAtlantic Retina

    Philadelphia, Pennsylvania, 19107

    Michele Formoso, 215-928-3092, research@midatlanticretina.com

    Devida Long, 215-928-3092, research@midatlanticretina.com

    Recruiting

Other trials in United States

About this study

Official title: Patient Comfort and Antimicrobial Efficacy With Aqueous Chlorhexidine Versus Povidine-Iodine (Betadine) as Ocular Surface Disinfectant Prior to Intravitreal Injection

The purpose of this prospective interventional study is to compare patient experience, ocular surface irritation, and bacterial colony counts and microbial spectrum between povidine iodine and aqueous chlorhexidine as ocular surface antiseptic prior to intravitreal injection

Read the detailed description

This is a single center prospective study comparing antiseptic efficacy and ocular surface irritation with PI (povidine iodine) and AC (aqueous chlorhexidine). Patients will be recruited in the clinical offices of the Retina Service of Wills and Hospital/Mid Atlantic Retina clinic offices. Patients who are determined to require bilateral intravitreal injections of an anti-VEGF (vascular endothelial growth factor) agents by a retina specialist at their regularly scheduled retina appointment will be evaluated for qualification by study personnel. Patients who meet inclusion criteria will be identified and informed consent will be obtained. Prior to injection, topical anesthetic (0.5% proparacaine, Alcon) will be instilled in both eyes. Study personnel will obtain four samples from the superior and inferior fornices of the upper and lower lids of both eyes using swabs (COPAN ESwab, ThermoFisher Scientific) for patients enrolled at Wills. Topical antisepsis will then be applied, the first eye will be randomized to one drop of either PI 5% or AC 0.1% and the second eye will receive the other agent. One minute after instillation of the eye drop to each eye, patients will rate their pain in each eye using the Wong-Baker (smiley face) rating scale. The injections will then be performed by the treating retina specialist. Following the injection, a second conjunctival culture will be taken in an identical manner to the first for patients enrolled at Wills. Study personnel will then instill fluorescein dye (fluorescein sodium ophthalmic, BioGlo) into each eye, and a brief slit lamp examination will be performed. Study personnel will record surface findings according to the Ocular Surface Score and a numerical score for each eye will be determined. On post-injection day one study personnel will call the patient and ask to rate the pain in each eye using the same verbal numerical rating scale. No additional clinic visits will be required as part of the study.

Being tested
Chlorhexidine, Povidine-Iodine
Medical subject headings
Macular Degeneration, Diabetic Angiopathies

What participants receive

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

  • ChlorhexidineDrug

    Also called Aqueous chlorhexidine

    Chlorhexidine administration prior to intravitreal injection (compared to gold standard povidine-iodine)

  • Povidine-IodineDrug

    Also called Betadine

    Povidine iodine administration prior to intravitreal injection (compared to chlorhexidine)

Study groups in NCT03571100
Study groupRoleWhat they receive
Povidine-IodineActive comparatorBilateral injections patients receiving Povidine-Iodine in right eye, chlorhexidine in the left eye
Receives: Drug: Povidine-Iodine
ChlorhexidineActive comparatorBilateral injections patients receiving Povidine-Iodine in left eye, chlorhexidine in the right eye
Receives: Drug: Chlorhexidine

What is being measured

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

  1. Patient Comfort

    Patient Comfort using the Wong Baker FACES Pain Scale [Scale: 0(No pain) - 10 (Worst Pain)]

    Measured: One day following injection

Secondary outcomes (2)
  1. Culture of conjunctiva for bacteria

    Microbial flora

    Measured: 7 days

  2. Patient Comfort

    Patient Comfort using the Wong Baker FACES Pain Scale [Scale: 0(No pain) - 10 (Worst Pain)]

    Measured: I minute after drop instilled

Timeline

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

  1. First posted27 Jun 2018
  2. Study start7 May 2018
  3. Primary completion6 May 2019 (estimated)
  4. Study completion6 May 2019 (estimated)

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
Early Phase 1
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Model description
Randomized prospective trial
Masking
Single blind
Who is masked
Participant
Enrolment
100 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03571100
Sponsor's protocol ID
18-692E
Status last verified
Jun 2018
First submitted
10 May 2018
Last updated
27 Jun 2018
Results posted
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
No

Publications

  • Ali FS, Jenkins TL, Boparai RS, Obeid A, Ryan ME, Wibblesman TD, Chiang A, Garg SJ; Post-Injection Endophthalmitis Study Group. Aqueous Chlorhexidine Compared with Povidone-Iodine as Ocular Antisepsis before Intravitreal Injection: A Randomized Clinical Trial. Ophthalmol Retina. 2021 Aug;5(8):788-796. doi: 10.1016/j.oret.2020.11.008. Epub 2020 Nov 20.

    PubMed 33221515

Questions about this trial

What is this clinical trial studying?

A Early Phase 1 study testing Chlorhexidine and Povidine-Iodine in people with Age-related Macular Degeneration and Diabetic Vascular Diseases, run by MidAtlantic Retina at 1 site 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 3 inclusion and 4 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: status not confirmed, as of the sponsor's last update on 27 Jun 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site 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.

What does this phase mean?

Early Phase 1 (sometimes called Phase 0) studies give a very small amount of a treatment to a few people, mainly to see how the body handles it.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

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

Contact Michele Formoso (215-928-3092, research@midatlanticretina.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Patient Comfort (time frame: One day following injection). 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 NCT03571100, which also lists 1 linked publication.

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 27 Jun 2018.

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