This is a multicenter, randomized, open-label, two-arms phase I/II, clinical trial, in which 42 patients will be enrolled with the principal objective to evaluate the efficacy through changes in lesion size and, secondary, to evaluate the safety and efficacy through corneal sensibility, corneal opacity, visual acuity and complications of Neurotrophic Keratopathy (NK). Patients will be randomized 1:1 to receive experimental treatment (cord blood eye drops) or conventional treatment (artificial tears and therapeutic contact lens).
This is a multicenter, randomized, open-label, two-arms phase I/II, clinical trial, in which 42 patients will be enrolled with the principal objective to evaluate the efficacy through changes in lesion size and, secondary, to evaluate the safety and efficacy through corneal sensibility, corneal opacity, visual acuity and complications of NK. Patients will be randomized 1:1 to receive experimental treatment (cord blood eye drops) or conventional treatment (artificial tears and therapeutic contact lens). All patients, with conventional or experimental treatment, will be treated for 19 days. A topical antibiotic will be added too as a concomitant treatment to all treatment groups, until the injury closes or according to medical criteria. After signing informed consent, inclusion and exclusion criteria will be assessed, and if the patient meets all the requirements, the patient will be randomized. After initiation of the treatment, patients will be follow-up at 2-3 days and once a week for 3 weeks. A final follow-up is planned at 6 weeks.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
9
Eye drops plasma from cord blood diluted v/v with Plasmalyte®, without antimicrobial preservatives
1. Artificial tears: Lubristil ® 2. Therapeutic Contact lens: Air Optix Night\&Day
Hospital Universitari Germans Trias i Pujol
Badalona, Barcelona, Spain
Hospital Mútua de Terrassa
Terrassa, Barcelona, Spain
Hospital de la Santa Creu i Sant Pau
Barcelona, Catalonia, Spain
Hospital Vall d'Hebron
Corneal lesion size
Variation percentage in corneal lesion size
Time frame: after 3 weeks post-treatment,
Incidence of Adverse Events
Safety evaluation through laboratory data and adverse events
Time frame: From date of randomization until the date of the last visit (6 weeks post-treatment)
Corneal lesion size
Variation percentage in corneal lesion size
Time frame: at 2-3 days post-treatment and at 1, 2 and 6 weeks post-treatment
Stage on the corneal lesion
Changes stage on the corneal lesion (cured, stage 1, stage 2, stage 3) from baseline
Time frame: at 3 weeks post-treatment
Qualitative scale of corneal sensibility
Changes in qualitative scale of corneal sensibility (normoesthesia, hypoesthesia, anesthesia)
Time frame: at 2-3 days post-treatment and at 1, 2, 3 and 6 weeks post-treatment
Corneal opacity
Changes on corneal opacity from baseline (not response, improvement, worse)
Time frame: at 2-3 days post-treatment and at 1, 2, 3 and 6 weeks post-treatment
Visual acuity
Line variation in relation to visual acuity
Time frame: at 2-3 days post-treatment and at 1, 2 and 6 weeks post-treatment
Neurotrophic keratopathy
Number of neurotrophic keratopathy complications
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Barcelona, Catalonia, Spain
Instituto Oftalmológico Quirónsalud Barcelona
Barcelona, Spain
Hospital de l'Esperança
Barcelona, Spain
Institut de microcirurgia ocular IMO
Barcelona, Spain
Hospital Clinic i Provincial de Barcelona
Barcelona, Spain
Hospital Josep Trueta
Girona, Spain
Hospital Joan XXIII
Tarragona, Spain
Time frame: From date of randomization until the date of the last visit (6 weeks post-treatment)