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Use of a Biological Lens of Amniotic Membrane (LV-Visio-AMTRIX) in the Treatment of Treatment-Resistant Keratitis

Use of a Double Amniotic Membrane Inserted in a Ring of Umbilical Vessels with Wharton's Jelly, Tissues Treated by the AMTRIX Process, in the Treatment of Keratitis Resisting Healing Medical Treatment

Status
Terminated
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05250583
Enrollment
5
Registered
2022-02-22
Start date
2020-06-29
Completion date
2021-01-07
Last updated
2024-11-14

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Keratitis

Brief summary

The purpose of this open, mono center trial is to assess the impact of the use of an amniotic membrane on the healing of a keratitis resistant to medical treatment.

Interventions

BIOLOGICALLV-Visio-AMTRIX

Chemically-treated, viro-inactivated, freeze-dried and irradiated allograft placed by the investigator during patients' hospital visit

Sponsors

TBF Genie Tissulaire
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
No

Inclusion criteria

* Male or female; age between 18 and 65 years. * Patient with non-infectious keratitis resistant to medical treatment for more than 15 days or recurrent after healing treatment. * Patient with quantitative and qualitative score for inflammatory ocular signs \> 20. * Patient with Oxford grade \> 2. * Informed and consenting patient with a relative or friend available to instill eye drops if necessary. * Patient affiliated to a social security system or beneficiary of such a system.

Exclusion criteria

* Patient with active infectious keratitis (bacterial, parasitic or viral). * Patient with allergy to Oxybuprocaine or Tetracaine eye drops, to ester type local anesthetics and to fluorescein. * Current contact lens wear, including scleral lenses. * NSAID eye drops and any drops containing preservatives. * Antibiotic, anti-viral, anti-parasitic eye drops. * Patient with identified causes for the keratitis for which discontinuation of medical treatment beneficial. * Ocular surgery in the 3 months preceding the inclusion in the study. * Monophtalmic patient. * Person deprived of liberty by a judicial or administrative decision. * Adult subjected to a legal protection measure or unable to express his/her consent.

Design outcomes

Primary

MeasureTime frameDescription
Keratitis healing within 15 days after the beginning of the treatment15 daysKeratitis observed under slit lamp using fluorescein instillation. Keratitis considered healed if epithelialization of more than 50% and/or Oxford \< grade 2

Secondary

MeasureTime frameDescription
Stable or decreased score for inflammatory and clinical signs of the ocular surface1 day, 3 days, 5 days, 7 days, 10 days, 15 days, 30 days, 45 daysComposite score for inflammatory and clinical signs of the ocular surface on 66 points. Duration and intensity are evaluated for secretion, dry eyes, tearing, foreign body sensation, fluctuating vision, photophobia, burning sensation and lids edema. Duration is evaluated from a scale from 0: never to 4: all the time. Intensity is evaluated from a scale from 0: slight to 2: severe. Localization and intensity are evaluated for conjunctival edema, conjunctival redness and neovascularization. Localization is evaluated on a scale from 0: no reaction to 4: reaction present in the whole eye.
Stabilisation or decrease of pain evaluated on visual analog scale1 day, 3 days, 5 days, 7 days, 10 days, 15 days, 30 days, 45 daysVisual Analog Scale (VAS) on 10 points from 0: no pain to 10: worst imaginable pain
Preservation of epithelialization15 days, 30 days, 45 daysPreservation of new epithelialization evaluated under slit lamp using fluorescein instillation and Oxford grading system
Change in eye dryness15 days, 30 days, 45 daysEye dryness evaluated by the Ocular Surface Disease Index (OSDI) (0-12 = normal; 13-22 = mild dry eye; 23-32 = moderate dry eye; \>33 = severe dry eye)

Countries

France

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026