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Lower Eyelid RetractionNCT06926686

Acellular Dermal Matrix vs Autologous Tarsus for Correction of Lower Eyelid Retraction

A study testing Autologous tarsus and Acellular dermal matrix in people with Lower Eyelid Retraction, run by Haukeland University Hospital at 1 site in Norway.

Recruiting

Looking for participants now. Contact the study team or a site below to ask about taking part.

Sites and contacts
Official record
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Trial summary

The goal of this clinical trial is to compare the effectiveness of two promising implants in treatment of lower eyelid retraction in 40 patients. This condition often resulting from injury, surgical complications, or thyroid eye disease. Read more about this study

Who is it for?
Ages 18 to 75 years
Conditions the study is for
Lower Eyelid Retraction
What is being tested?
Autologous tarsus and Acellular dermal matrix
Type of treatment
Surgery or procedure
Could I receive a placebo?
No, everyone receives an active treatment
How many people
40 participants
Where
1 siteNorway
Study dates
1 Jan 2025to 1 Jan 2032
Phase
Interventional
Are there results?
Not yet: the study is under way

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 to 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Adult patients aged 18-75 years.
  • Grade 2 or higher lower eyelid retraction (according to the retraction grading scale).
  • Candidate for surgical correction due to functional or cosmetic reasons.
  • Willingness to participate and provide informed consent.

Who cannot join

  • Active ocular or eyelid infection.
  • History of severe scarring or keloid formation.
  • Concurrent orbital or eyelid malignancies. Pregnancy or lactation. Uncontrolled systemic diseases (e.g., diabetes, immune disorders). Previous eyelid surgery on the affected eye.

Trial locations and contacts

1 site in 1 country. Contact the study team or a site near you to ask about taking part.

Hans Olav Ueland, MD, PhD contact

+4755975719

uela@helse-bergen.no

Annette Morwena Hope, MD contact

+47 41164804

annette.morwena.hope@helse-bergen.no

Norway1 site, 1 recruiting
  • Haukeland University Hospital

    Bergen, Vetslandet, 5021

    Annette Morwena Hope, MD, +4741164804, annette.morwena.hope@helse-bergen.no

    Kathrine Halsøy, MD, +4791788483, kathrine.halsoy@helse-bergen.no

    Recruiting

Other trials in Norway

About this study

Official title: Prospective Comparison of Acellular Dermal Matrix and Autologous Tarsus for Correction of Lower Eyelid Retraction

The goal of this clinical trial is to compare the effectiveness of two promising implants in treatment of lower eyelid retraction in 40 patients. This condition often resulting from injury, surgical complications, or thyroid eye disease. The main questions it aims to answer are:

Which implant provides better long-term stability of the eyelid malposition?

Read more

Does one implant minimize complications and improve patient outcomes more effectively than the other?

This study will compare the use of donor sclera implants to a cellular dermal matrix to see if either offers superior results in terms of reducing graft shrinkage and improving eyelid positioning.

Participants will:

Undergo lower eyelid reconstruction surgery with one of the two implants.

Be monitored for postoperative outcomes, including eyelid position, recurrence rates, and complications over a follow-up period 6 months.

Read the detailed description

The study aims to find the best way to surgically correct lower eyelid retraction, a condition where the lower eyelid droops, leading to eye dryness, irritation, and potential vision problems. This condition can arise from various causes like thyroid eye disease, complications from eyelid or eye socket surgeries, burns, or injuries. The goal of the study is to determine which "spacer" graft works best to lift the eyelid back into its correct position and provide long-lasting results.

Currently, there's no universally agreed-upon optimal spacer-graft for this condition. Surgeons at the department of Ophthalmology at Haukeland University Hospital are conducting a study to compare two promising spacer graft materials: acellular dermal matrix (Permacol), a processed tissue that encourages tissue regeneration, and autologous tarsus, tissue taken from the patient's own upper eyelid.

Forty patients needing surgery for lower eyelid retraction will be inculded in this study. They will be randomly assigned to receive either the Permacol graft or the autologous tarsus graft. The surgical procedure involves making an incision inside the lower eyelid, separating the retractors (muscles that pull the eyelid down), and inserting the chosen spacer graft between the tarsus (the eyelid's supporting structure) and the retractors. This lifts the eyelid to the correct position.

Patients will be followed up for six months after surgery. Doctors will measure the position of the eyelid, how well the eye closes, and signs of dryness or damage to the eye surface. Patients will also be asked about pain/discomfort, and satisfaction with the cosmetic outcome. The study will track any complications, such as infection or recurrence of the eyelid retraction.

The study will compare the two groups to see which graft provides better eyelid positioning, reduces symptoms, and has fewer complications. Statistical analysis will be used to determine if there are significant differences between the two treatment groups.

The results of this study will provide valuable information for surgeons treating lower eyelid retraction, helping them choose the most effective and safe graft material for their patients. The procedures will be performed by experienced surgeons at Haukeland University Hospital, ensuring patient safety. The study adheres to ethical guidelines, and patients will provide informed consent before participating.

Being tested
Autologous tarsus, Acellular dermal matrix
Keywords
eyelid malposition

What participants receive

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

  • Autologous tarsusProcedure or surgery

    Surgical implantation of autologous tarsus to the lower eyelid

  • Acellular dermal matrixProcedure or surgery

    Surgical implantation of acellular dermal matrix to the lower eyelid

Study groups in NCT06926686
Study groupRoleWhat they receive
Autologous tarsusActive comparatorSurgical implantation to elongate the lower eyelid
Receives: Procedure: Autologous tarsus
A cellular dermal matrix (Permacol)Active comparatorSurgical implantation to elongate the lower eyelid
Receives: Procedure: Acellular dermal matrix

What is being measured

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

  1. Medial reflex distance 2

    Number of patients with ≥ 1 mm reduction in medial reflex distance 2

    Measured: From baseline to 6 months follow-up.

Secondary outcomes (4)
  1. Vertical eyelid aperture

    Number of patients with ≥ 1 mm reduction in vertical eyelid aperture

    Measured: From baseline to 6 months follow-up.

  2. Scleral show

    Number of patients with ≥ 1 mm reduction in scleral show

    .

    Measured: From baseline to 6 months follow-up.

  3. Lagophthalmos

    Number of patients with ≥ 1 mm reduction in lagophthalmos

    .

    Measured: From baseline to 6 months follow-up.

  4. Oxford staining scale

    Number of patients with ≥ 1 reduction in Oxford staining scale (objective assessment of keratopathy). Oxford staining scale range from 0-4, and a higher score mean a worse outcome.

    .

    Measured: From baseline to 6 months follow-up.

Timeline

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

  1. First posted14 Apr 2025
  2. Study start1 Jan 2025
  3. Primary completion1 Jan 2030 (estimated)
  4. Study completion1 Jan 2032 (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
Phase N/A
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
Non-masked prospective randomized two-armed interventinal study
Masking
None (open label)
Enrolment
40 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06926686
Sponsor's protocol ID
863946
Status last verified
Jan 2025
First submitted
11 Apr 2025
Last updated
17 Apr 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No: Individual participant data will not be shared outside the study group because concent is not obtained to share personal data.

Publications

  • Ferri M, Oestreicher JH. Treatment of post-blepharoplasty lower lid retraction by free tarsoconjunctival grafting. Orbit. 2002 Dec;21(4):281-8. doi: 10.1076/orbi.21.4.281.8555.

    PubMed 12610767
  • Tao JP, Aakalu VK, Wladis EJ, Sobel RK, Freitag SK, Foster JA, Yen MT. Bioengineered Acellular Dermal Matrix Spacer Grafts for Lower Eyelid Retraction Repair: A Report by the American Academy of Ophthalmology. Ophthalmology. 2020 May;127(5):689-695. doi: 10.1016/j.ophtha.2019.11.011. Epub 2019 Dec 30.

    PubMed 31899031
  • Park E, Lewis K, Alghoul MS. Comparison of Efficacy and Complications Among Various Spacer Grafts in the Treatment of Lower Eyelid Retraction: A Systematic Review. Aesthet Surg J. 2017 Jul 1;37(7):743-754. doi: 10.1093/asj/sjx003.

    PubMed 28333254
  • Zucal I, Waldner M, Shojaati G, Schweizer R, Klein HJ, Giovanoli P, Plock JA. Burn Scar Ectropion Correction: Surgical Technique for Functional Outcomes. Ann Plast Surg. 2022 Mar 1;88(3):271-276. doi: 10.1097/SAP.0000000000003047.

    PubMed 35130205
  • Osaki TH, Monteiro LG, Osaki MH. Management of eyelid retraction related to thyroid eye disease. Taiwan J Ophthalmol. 2022 Feb 14;12(1):12-21. doi: 10.4103/tjo.tjo_57_21. eCollection 2022 Jan-Mar.

    PubMed 35399960

Questions about this trial

What is this clinical trial studying?

A study testing Autologous tarsus and Acellular dermal matrix in people with Lower Eyelid Retraction, run by Haukeland University Hospital at 1 site in Norway.

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 3 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: looking for participants now, as of the sponsor's last update on 17 Apr 2025. 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 Norway. 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?

This study is still under way. Results are not available in the source record yet.

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

Contact Hans Olav Ueland, MD, PhD (+4755975719, uela@helse-bergen.no), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Medial reflex distance 2 (time frame: From baseline to 6 months follow-up.). 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 NCT06926686, which also lists 5 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 17 Apr 2025.

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