Skip to content

Efficacy and Safety assessment of T4020 versus vehicle in patients with chronic neurotrophic keratitis or corneal ulcer. Phase III study, international, multicentre, randomised, double-masked, 2 parallel groups, versus vehicle, in 124 evaluable patients treated for 28 days.

Efficacy and Safety assessment of T4020 versus vehicle in patients with chronic neurotrophic keratitis or corneal ulcer. Phase III study, international, multicentre, randomised, double-masked, 2 parallel groups, versus vehicle, in 124 evaluable patients treated for 28 days. - Clinical Study Protocol N° LT4020-PIII-12/11

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON44908
Enrollment
4
Registered
2013-09-23
Start date
2013-11-18
Completion date
Unknown
Last updated
2024-04-29

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

Conditions

Chronic neurotrophische keratitis & Chronische neurotrophische corneal ulcus

Interventions

Intervention : - Informed Consent Form will be recovered prior the first visit (selection visit = V1) - Questionnary during 1st visit : demography, ocular medical and surgical history, Systemic m

Sponsors

LABORATOIRES THEA
Lead Sponsor

Eligibility

Age
18 Years to 99 Years

Inclusion criteria

Inclusion criteria: At Selection Visit (Visit 1) - Signed and dated informed consent, - Male or female aged * 18 years, - Patient with one chronic neurotrophic keratitis or one chronic neurotrophic corneal ulcer defined by: A maximal depth * 2/3 of the stroma and a partial or complete corneal anaesthesia;At Inclusion Visit (Visit 2) - No improvement of the chronic neurotrophic keratitis or chronic neurotrophic corneal ulcer after 7 days with preservative free lachrymal substitute treatment (NaCl 0.9%).

Exclusion criteria

Exclusion criteria: Ophthalmic non-inclusion criteria;In the affected eye: - Risk of immediate perforation of corneal ulcer. - Descemetocele. - Perforated corneal ulcer. - Corneal abscess.;In the controlateral eye: - Best far corrected visual acuity * 1/10.;In both eyes: - Active ocular infection. - Glaucoma / ocular hypertension;Systemic/non ophthalmic non-inclusion criteria;- General history judged by the investigator to be incompatible with the study (life-threatening patient condition). - Known allergic hypersensitivity history to one of the components of the study medications or to test products.;Specific non-inclusion criteria for women - Pregnancy, lactation. - Childbearing women without an effective method of contraception (oral contraceptive, intra-uterine device, subcutaneous contraceptive implant, vaginal ring) or women not hysterectomised, menopaused or surgically sterilized.;Non-inclusion criteria related to general conditions - Inability of patient and/or relatives to understand the study procedures and thus inability to give informed consent. - Non-compliant patient and/or relatives (e.g. not willing to attend the follow-up visits, way of life interfering with compliance). - Participation in another clinical study within the last 3 months. - Already included once in this study. - Ward of court. - Patient not covered by the Social Security scheme (For France).;CONCOMITANT MEDICATIONS / NON PRODUCT THERAPIES NOT ALLOWED BEFORE (7 days before Visit 1) AND DURING THE STUDY - Any plan or predicable change in dose regimen for the following systemic treatments (anti-inflammatory drugs, psychotropic drugs) - Contact lenses wear;CONCOMITANT MEDICATIONS / NON PRODUCT THERAPIES NOT ALLOWED DURING THE STUDY - Any systemic steroids treatment - Any topical ocular treatments except allowed treatments (Allowed treatments = cyclosporine preservative free + free artificial tears: NaCl 0.9% 3 to 8 times daily)

Design outcomes

Primary

MeasureTime frame
The primary outcome of the study is : - Reduction of 50% or more in Keratitis/ulcer area from baseline assessed at Day 28

Secondary

MeasureTime frame
The secundary outcome of the study is : Clinical efficacy - Complete corneal healing at Day 28. - Partial response at Day 28 defined as a reduction in the ulcer/keratitis area of 75% or more. - Partial Response (50%) at Day 28 defined by investigator judgment. - Complete corneal healing at Day 28 defined by investigator judgment. - Complete corneal healing at Day 7, Day 14 and Day 21. - Partial response at Day 7, Day 14 and Day 21 defined as a reduction in the ulcer/keratitis area of 75% or more. - Partial response at Day 7, Day 14 and Day 21 defined as a reduction in the ulcer/keratitis area of 50% or more. - Partial Response (50%) at Day 7, Day 14 and Day 21 defined by investigator judgement. - Complete corneal healing at Day 7, Day 14 and Day 21 defined by investigator judgement. - Corneal ulcer/keratitis depth assessment at Day 7, Day 14, Day 21 and Day 28. Ocular and systemic safety - Best corrected visual acuity at Day 28. - Global tolerance assessed by the investigator at Day 7, Day 14, Day 21 and Day 28. - Global tolerance assessed by the patient at Day 7, Day 14, Day 21 and Day 28. - Adverse events recorded from Day 0 and throughout the study. - Ocular pain assessment with the Visual Analog Scale. - Use of analgesics treatments.

Countries

Netherlands

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)