Corneal Autograft for Limbal Dermoid

NCT ID: NCT03217461

Last Updated: 2025-06-26

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

19 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-05-10

Study Completion Date

2024-11-29

Brief Summary

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To investigate the clinical efficacy of femtosecond laser-assisted autologous lamellar keratoplasty in treating corneal dermoids.

Detailed Description

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Conditions

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Corneal Dermoid

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Limbal autograft

Corneal dermoid tumor resection combined with femtosecond laser assisted limbal autograft

Group Type EXPERIMENTAL

Limbal autograft

Intervention Type PROCEDURE

Simple dermoid excision will be performed, followed by closure of the bare sclera and cornea by sutured femtosecond laser-assisted limbal autograft.

Femtosecond laser

Intervention Type DEVICE

A commercial femtosecond laser to create a particular shaped graft for transplantation

Interventions

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Limbal autograft

Simple dermoid excision will be performed, followed by closure of the bare sclera and cornea by sutured femtosecond laser-assisted limbal autograft.

Intervention Type PROCEDURE

Femtosecond laser

A commercial femtosecond laser to create a particular shaped graft for transplantation

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

1. Age between 5 to 35 years old,
2. Patients with limbal dermoid, scheduled for elective surgical excision,
3. The distance of less than 5 mm of lesion encroachment into the cornea,
4. The participant or their legal guardian has voluntarily chosen to participate in this study, has signed the informed consent form, and has demonstrated a high level of adherence to the study protocols and cooperation throughout the follow-up process.

Exclusion Criteria

1. Keratoconus,
2. High myopia with a spherical equivalent of -15.0 D or less,
3. Ocular and facial active inflammation such as keratitis, trachoma, dacryocystitis, blepharitis, meibomian gland dysfunction, Sjogren's syndrome, cicatricial pemphigoid etc,
4. Corneal or ocular surface infection within 30 days prior to study entry,
5. Severe cicatricial eye disease,
6. Ocular surface malignancy,
7. Ocular comorbidities that affect the prognosis of transplantation, such as advanced glaucoma or retinal diseases,
8. History of allo-limbal transplantation, penetrating keratoplasty or anti-glaucoma filtering surgeries,
9. Uncontrolled diabetes with most recent Hemoglobin A1c greater than 8.5%,
10. Renal failure with creatinine clearance\< 25ml/min,
11. Alanine aminotransferase \> 40IU/L, or aspartate aminotransferase \> 40IU/L,
12. Platelet levels \< 150,000 or \> 450,000 per microlite,
13. Hemoglobin \< 12.0 g/dL (male) or \< 11.0 g/dL (female),
14. Prothrombin time \> 16s and activated partial thrombin time \> 35s in patients not accepting anticoagulant therapy, An international normalized ratio greater than 3 in patients accepting anticoagulant therapy,
15. Pregnancy (positive test) or lactation,
16. Active immunological diseases,
17. Signs of current infection, including fever and treatment with antibiotics,
18. Participation in another simultaneous medical investigation or clinical trial.
Minimum Eligible Age

5 Years

Maximum Eligible Age

35 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Chunxiao Wang

OTHER

Sponsor Role lead

Responsible Party

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Chunxiao Wang

Clinical investigator

Responsibility Role SPONSOR_INVESTIGATOR

Principal Investigators

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Yizhi Liu, M.D.Ph.D.

Role: PRINCIPAL_INVESTIGATOR

Zhongshan Ophthalmic Center, Sun Yat-sen University

Ting Huang, M.D.Ph.D.

Role: PRINCIPAL_INVESTIGATOR

Zhongshan Ophthalmic Center, Sun Yat-sen University

Locations

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Zhongshan Ophthalmic Center, Sun Yat-sen Univerisity

Guangzhou, Guangdong, China

Site Status

Countries

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China

Other Identifiers

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2020KYPJ206

Identifier Type: -

Identifier Source: org_study_id

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