- ICH GCP
- Registro de ensaios clínicos dos EUA
- Ensaio Clínico NCT04323358
Agreement and Accuracy of Different Devices for Biometry Measurements in Patients With Cataract (Comparison)
The rationale of this study is to compare repeatability, reproducibility and agreement of three different AS-OCT devices and Pentacam.
The investigational devices are approved biometry and keratometry devices to perform biometric/keratometric measurements preoperatively before cataract surgery. The measurements are used to calculate the needed IOL power.
Measurements with all four devices will be performed 3 times consecutively by two trained observer. The order of the observer, the order of devices as well as the eye (left/right) is randomized.
Examinations will be implemented in accordance with the approved investigational plan on subjects and includes: repeated biometry/keratometry with four different devices
Visão geral do estudo
Status
Intervenção / Tratamento
Descrição detalhada
Tipo de estudo
Inscrição (Antecipado)
Estágio
- Não aplicável
Contactos e Locais
Locais de estudo
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Vienna, Áustria, 1090
- Recrutamento
- Medical University of Vienna Allgemeines Krankenhaus
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Contato:
- Rupert Menapace, Prof.
- Número de telefone: 014040066300
- E-mail: rupert.menapace@meduniwien.ac.at
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Contato:
- Christina Leydolt, MD
- Número de telefone: 79480 01 40400
- E-mail: christina.leydolt@meduniwien.ac.at
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Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
Inclusion Criteria:
- Age-related cataract
- Age 40 and older (females of childbearing age will be interviewed if pregnancy is possible)
Exclusion Criteria:
- Contact lens wear within 5 days
- Pathologic changes of the cornea, eye lid or conjunctiva on slit- lamp examination
- History of corneal ocular surgery
- Microphthalmus
- Recurrent intraocular inflammation of unknown etiology
- Blind fellow eye
- Uncontrolled systemic or ocular disease
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Diagnóstico
- Alocação: Randomizado
- Modelo Intervencional: Atribuição de grupo único
- Mascaramento: Quadruplicar
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
|---|---|
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Comparador Ativo: IOL Master® 700
Biometry will be performed three times consecutively.
|
Patients will be asked to place the chin in position and open their eyes wide.
In between measurements, the patient will be arranged so his eyes are in one horizontal line and each time before measurement the patient will be asked to blink several times.
Patients will be asked to place the chin in position and open their eyes wide.
In between measurements, the patient will be arranged so his eyes are in one horizontal line and each time before measurement the patient will be asked to blink several times.
|
|
Comparador Ativo: Pentacam®
Keratometry will be performed three times consecutively.
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Patients will be asked to place the chin in position and open their eyes wide.
In between measurements, the patient will be arranged so his eyes are in one horizontal line and each time before measurement the patient will be asked to blink several times.
|
|
Comparador Ativo: Casia II®
Keratometry will be performed three times consecutively.
|
Patients will be asked to place the chin in position and open their eyes wide.
In between measurements, the patient will be arranged so his eyes are in one horizontal line and each time before measurement the patient will be asked to blink several times.
|
|
Comparador Ativo: Spectralis Anterion®
Biometry will be performed three times consecutively.
|
Patients will be asked to place the chin in position and open their eyes wide.
In between measurements, the patient will be arranged so his eyes are in one horizontal line and each time before measurement the patient will be asked to blink several times.
Patients will be asked to place the chin in position and open their eyes wide.
In between measurements, the patient will be arranged so his eyes are in one horizontal line and each time before measurement the patient will be asked to blink several times.
|
O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
|
Agreement of the four devices measuring mean keratometry value.
Prazo: 1 year
|
The measured K-Value of each device and the k-values within one device will be compared
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1 year
|
Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Agreement of the four devices measuring mean steep keratometry value.
Prazo: 1 year
|
The measured steep K-Value of each device and the steep k-values within one device will be compared
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1 year
|
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Agreement of the four devices measuring mean flat keratometry value.
Prazo: 1 year
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The measured flat K-Value of each device and the flat k-values within one device will be compared
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1 year
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Agreement of the four devices measuring mean true keratometry value.
Prazo: 1 year
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The measured true K-Value of each device and the true k-values within one device will be compared
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1 year
|
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Agreement of the devices measuring mean axial length
Prazo: 1 year
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The measured axial length of each device and the axial length within one device will be compared
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1 year
|
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Agreement of the devices measuring mean lens thickness
Prazo: 1 year
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The measured lens thickness of each device and the measured lens thickness within one device will be compared
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1 year
|
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Agreement of the devices measuring mean white-to-white measurement
Prazo: 1 year
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The measured white-to-white distance of each device and the measured white-to-white distance within one device will be compared
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1 year
|
Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Rupert Menapace, MD, Medical University of Vienna
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo (Real)
Conclusão Primária (Antecipado)
Conclusão do estudo (Antecipado)
Datas de inscrição no estudo
Enviado pela primeira vez
Enviado pela primeira vez que atendeu aos critérios de CQ
Primeira postagem (Real)
Atualizações de registro de estudo
Última Atualização Postada (Real)
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última verificação
Mais Informações
Termos relacionados a este estudo
Termos MeSH relevantes adicionais
Outros números de identificação do estudo
- 1845/2019
Plano para dados de participantes individuais (IPD)
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