- ICH GCP
- Registro de ensayos clínicos de EE. UU.
- Ensayo clínico NCT07638215
A Single-Center Clinical Study to Evaluate the Efficacy and Safety of Sutureless Ophthalmic Hydrogel for Corneal Wound Repair
Descripción general del estudio
Estado
Condiciones
Intervención / Tratamiento
Tipo de estudio
Inscripción (Estimado)
Fase
- No aplica
Contactos y Ubicaciones
Estudio Contacto
- Nombre: Suxia Li
- Número de teléfono: +86 158 5410 7085
- Correo electrónico: lsuxiasusu@163.com
Criterios de participación
Criterio de elegibilidad
Edades elegibles para estudiar
- Adulto
- Adulto Mayor
Acepta Voluntarios Saludables
Descripción
Inclusion Criteria:
You must meet all the following inclusion criteria to participate in the study:
- Patients with corneal stromal defects, including those caused by trauma or following lesion excision for infection, with a residual stromal thickness of ≥300 μm in the defect area.
- Patients aged 18 to 85 years (inclusive, either sex) at the time of consent.
- Patients who are capable of providing written informed consent voluntarily to participate in the study.
Exclusion Criteria:
You will be excluded from the study if you meet any of the following exclusion criteria:
- Patients with unexplained keratoconjunctival diseases.
- Patients with severe dry eye, symblepharon, corneal neovascularization, or other ocular surface disorders.
- Patients with systemic infectious diseases (positive for bacteria/fungi/HBV/HCV/HIV/TP, etc.).
- Patients with autoimmune diseases such as rheumatoid arthritis, Sjögren's syndrome, or graft-versus-host disease.
- Patients with uncontrolled ocular diseases in the study eye.
- Patients with major organ failure or other serious systemic conditions, including but not limited to cardiac insufficiency; poorly controlled diabetes mellitus (fasting blood glucose >8 mmol/L despite glucose-lowering therapy); uncontrolled stage II or higher hypertension (blood pressure >160/100 mmHg despite antihypertensive therapy); history of malignancy within the past 5 years; severe immunodeficiency, etc.
- Patients with psychiatric disorders that may interfere with treatment or evaluation.
- Pregnant or lactating women, or women planning to become pregnant during the clinical study.
- Patients deemed unsuitable for participation in the clinical trial by the investigator.
- Patients unable to complete follow-up visits.
Plan de estudios
¿Cómo está diseñado el estudio?
Detalles de diseño
- Propósito principal: Tratamiento
- Asignación: N / A
- Modelo Intervencionista: Asignación de un solo grupo
- Enmascaramiento: Ninguno (etiqueta abierta)
Armas e Intervenciones
Grupo de participantes/brazo |
Intervención / Tratamiento |
|---|---|
|
Experimental: Sutureless Ophthalmic Hydrogel for Repairing Corneal Stromal Defects
|
Surgery was performed under peribulbar block anesthesia.
After excision of the corneal lesion, the surface moisture of the recipient bed was dried with a sponge, and a cotton pad was placed over the pupillary area to protect the fundus.
The hydrogel was pre-liquefied in a 37 °C water bath, then instilled into the lamellar defect using a sterile syringe, followed by irradiation with a 365 nm light source at an intensity of 18 mW/cm² for 30 seconds to achieve curing.
A bandage contact lens could be applied.
|
¿Qué mide el estudio?
Medidas de resultado primarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
Incidence of Ocular Adverse Events and Hydrogel-Related Ocular Complications (Irritation, Displacement, Infection, Corneal Cell/Epithelial Changes)
Periodo de tiempo: 1st day, 1st week, 2nd week, 1st month and 2nd month postoperatively
|
Description: Assess ocular safety outcomes including:
|
1st day, 1st week, 2nd week, 1st month and 2nd month postoperatively
|
Medidas de resultado secundarias
Medida de resultado |
Medida Descripción |
Periodo de tiempo |
|---|---|---|
|
Corneal Clarity Full Rating Scale (0-4 points full-scale assessment for corneal transparency after hydrogel repair)
Periodo de tiempo: 1st day, 1st week, 2nd week, 1st month and 2nd month postoperatively
|
Observe the transparency of the cornea in the hydrogel transplantation area using a slit lamp examination, score it, and record the corneal transparency scores at different follow-up time points. Full scale information: Minimum score = 0, Maximum score = 4; higher scores indicate worse corneal opacity/poorer corneal clarity, lower scores indicate better corneal transparency. Scoring criteria: 0 = completely transparent;
|
1st day, 1st week, 2nd week, 1st month and 2nd month postoperatively
|
|
Change in corneal thickness (OCT measurement, µm)
Periodo de tiempo: 1st day, 1st week, 2nd week, 1st month and 2nd month postoperatively
|
Use corneal OCT to observe changes in corneal thickness in the hydrogel transplantation area, and record the residual corneal thickness, hydrogel thickness, and total corneal thickness at different follow-up time points.
|
1st day, 1st week, 2nd week, 1st month and 2nd month postoperatively
|
|
Change in visual acuity (decimal chart)
Periodo de tiempo: 1st day preoperatively, 1st day, 1st week, 2nd week, 1st month and 2nd month postoperatively
|
Use a decimal visual acuity chart to record the visual acuity and best corrected visual acuity at different follow-up time points, and evaluate the recovery and changes in visual acuity
|
1st day preoperatively, 1st day, 1st week, 2nd week, 1st month and 2nd month postoperatively
|
Colaboradores e Investigadores
Patrocinador
Fechas de registro del estudio
Fechas importantes del estudio
Inicio del estudio (Estimado)
Finalización primaria (Estimado)
Finalización del estudio (Estimado)
Fechas de registro del estudio
Enviado por primera vez
Primero enviado que cumplió con los criterios de control de calidad
Publicado por primera vez (Actual)
Actualizaciones de registros de estudio
Última actualización publicada (Actual)
Última actualización enviada que cumplió con los criterios de control de calidad
Última verificación
Más información
Términos relacionados con este estudio
Otros números de identificación del estudio
- SDSYKYY202510-2
Plan de datos de participantes individuales (IPD)
¿Planea compartir datos de participantes individuales (IPD)?
Tipo de información de apoyo para compartir IPD
- PROTOCOLO DE ESTUDIO
- SAVIA
- CIF
Información sobre medicamentos y dispositivos, documentos del estudio
Estudia un producto farmacéutico regulado por la FDA de EE. UU.
Estudia un producto de dispositivo regulado por la FDA de EE. UU.
Esta información se obtuvo directamente del sitio web clinicaltrials.gov sin cambios. Si tiene alguna solicitud para cambiar, eliminar o actualizar los detalles de su estudio, comuníquese con register@clinicaltrials.gov. Tan pronto como se implemente un cambio en clinicaltrials.gov, también se actualizará automáticamente en nuestro sitio web. .