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CompletedNCT06070883Updated Oct 6, 2023

Efficacy of Mutilayered Fresh Amnoitic Membrane Transplantation in Resistant Fungal Keratitis

An interventional study of Amniotic membrane transplantation in Keratitis, sponsored by Al-Azhar University. Completed at 1 site in Egypt. Open to participants aged 18 Years to 85 Years. Per ClinicalTrials.gov, last updated 2023-10-06.

Sponsored by Al-Azhar University · Not applicable, Interventional, and Treatment

From the registry’s dates

  • Registered 1 year 9 months after the study started (first participant enrolled Jan 2022, registered Oct 2023).
Phase
Not applicable
Study type
Interventional
Enrollment
26
Allocation
Not applicable
Ages
18 Years to 85 Years
Sex
All
01

Study summary

Corneal infection or infectious keratitis (IK) is the most common cause of corneal blindness worldwide, particu-larly in the developing countries1. The incidence was estimated at 2.5-799 per 100,000 population/year. It is a painful and potentially blinding ocular emergency that often requires hospital admission for intensive medical and/or surgical treatment. Depending on the geographical and temporal variations and population-based risk factors (e.g. agricultural practice, trauma, use of contact lens and others), bacteria and fungi have been shown to be the main causative microorganisms for IK, followed by viruses, parasites and polymicrobial infection. Amniotic membrane (AM) is the innermost layer of the placenta, which consists of a single layer of meta-bolically active epithelium, a thick basement membrane, and an avascular stromal matrix (15).

It has been shown to exhibit a wide array of biological properties, including wound healing, anti-inflammatory, antimicrobial, and anti-angiogenic properties, amongst others. To date, a number of studies have evaluated the benefit of AMT for treating active IK, though the majority of them were of small case series or case reports. In clinical practice, AMT is usually reserved as a second-line therapy in IK, mainly to promote cornea healing in non-healing ulcer after the sterilization phase.

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Conditions studied

  • Keratitis

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03

In context

Keratitis

129 studies on the registry are indexed under Keratitis; 14 are open to participants now.

This study's enrollment of 26 is below the median of 36 across 80 interventional studies indexed under Keratitis.

Browse Keratitis studies →

Lead sponsor

Al-Azhar University is the lead sponsor of 525 studies on the registry; 171 are open to participants now.

Of its 5 completed or terminated interventional studies of FDA-regulated products, 0 (0%) have results posted.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years to 85 Years
Sexes eligible
All
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  • Size more than 5 mm.
  • Deep ulcers i.e. > 50% stromal thickness.
  • Located within 3mm of the visual axis.
  • Patients with descemetoceles and corneal perforations will also be included

Exclusion criteria

Exclusion Criteria:

  • Corneal ulcers of size \< 5mm depth \< 50%
  • Associated glaucoma
  • Associated chronic dacryocystitis
  • Ulcers with entropion
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
26 participants (actual)

Study arms

  • Other
    Amniotic membrane

    Amniotic membrane (AM) is the innermost layer of the placenta, which consists of a single layer of meta-bolically active epithelium, a thick basement membrane, and an avascular stromal matrix.It has been shown to exhibit a wide array of biological properties, including wound healing, anti-inflammatory, antimicrobial, and anti-angiogenic properties, amongst others

    Procedure: Amniotic membrane transplantation

Interventions

  • ProcedureAmniotic membrane transplantation

    Amniotic membrane (AM) is the innermost layer of the placenta, which consists of a single layer of meta-bolically active epithelium, a thick basement membrane, and an avascular stromal matrix. It has been shown to exhibit a wide array of biological properties, including wound healing, anti-inflammatory, antimicrobial, and anti-angiogenic properties, amongst others. Amniotic membrane transplantation will be performed in eye OT under aseptic conditions. The necrotic tissues at the base of the ulcer will be debrided and sent for culture and sensitivity. The rolledup edge of the ulcer or the loosely adhered epithelium adjacent to the ulcer will also be removed. The amniotic membrane will be trimmed to fit the shape of the ulcer and placed with its epithelial side up. Then the amniotic membrane will be secured with 10-0 nylon suture (5 cases with interrupted and 25 cases with continuous suture) with the suture knots buried.

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What researchers measure

Primary outcomes

  1. Corneal Pain

    it will be meaured by the Visual analouge scale

    Time frame: Baseline

  2. Corneal Pain

    it will be meaured by the Visual analouge scale

    Time frame: one month post operative

  3. Corneal Pain

    it will be meaured by the Visual analouge scale

    Time frame: three months post operative

  4. Size of the ulcer

    it will be meaured in mellimeter

    Time frame: Baseline

  5. Size of the ulcer

    it will be meaured in mellimeter

    Time frame: one month post operative

  6. Size of the ulcer

    it will be meaured in mellimeter

    Time frame: three months post operative

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Study locations

1 site
  • Ehab tharwat
    Damietta, New Damietta 34517, Egypt
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References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Ran from Jan 2022 to primary completion in Sep 2023, 20 months.

Of 17 interventional studies with no phase under Keratitis, half reached primary completion within 21 months of starting (the median), counting those still running; a quarter within 9 and three quarters within 30. This study's 20 months is close to that.

How these figures are worked out, and which studies are left out of them.

Registered
Oct 1, 2023
First posted
Oct 6, 2023
StartActual
Jan 1, 2022
Primary completionActual
Sep 8, 2023
CompletionActual
Oct 1, 2023
Last update
Oct 6, 2023
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Oct 6, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT06070883
Responsible party
Ehab Tharwat (Principal investigator, Al-Azhar University) — Principal investigator
First posted
Oct 6, 2023
Start date
Jan 1, 2022
Primary completion
Sep 8, 2023
Completion
Oct 1, 2023
Last update
Oct 6, 2023

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Oct 2023. You cannot join it, but the record below documents what was studied.

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