Study of Feasibility for Surgical Patients Undergoing Heart Surgery With the Mammary Arteries: Reviewing Infection, Occlusion Rates and Pain Assessments. (COMFORT pilot)
Pilot Study for COMFORT Trial Comparative Outcomes of Mammary Artery Harvesting: Infection, Occlusion Rates and Thoracic Pain Assessment
The Pilot study for the COMFORT Trial is a single centre trial to determine the feasibility of the full COMFORT Trial.
The main COMFORT Trial will be a multi-centre trial to investigate the coronary artery bypass grafting outcomes when harvesting the Left Internal Mammary Artery (LIMA) using a skeletonized approach (artery is isolated without the surrounding veins, fascia and nerves) compared to harvesting the LIMA using a non-skeletonized approach (artery is isolated with the surrounding veins, fascia and nerves). Harvesting the LIMA with the non-skeletonized approach is the standard technique. Participants will complete a Coronary Artery Tomography scan at 1 year to determine if the LIMA graft remains open. Follow up of the participants will continue until 2 years post surgery.
Visão geral do estudo
Status
Condições
Intervenção / Tratamento
Descrição detalhada
Prior to expansion of the COMFORT Trial to multiple centres, a pilot phase will be conducted at UOHI to evaluate the feasibility of implementing the study protocol within the local clinical and research environment.
Conducting an initial pilot phase allows the study team to assess the practical aspects of trial implementation, including patient screening and recruitment, informed consent procedures, randomization workflow, intraoperative documentation of the harvesting technique, and completion of study data collection.
The pilot phase will also allow evaluation of study logistics related to follow-up procedures, including postoperative data collection and coordination of protocol-mandated computed tomography angiography (CTA). This process will help identify and address any operational challenges prior to broader trial implementation across participating centres.
Participants enrolled during the pilot phase will undergo the same randomized study procedures described in the main COMFORT Trial protocol. Data collected during this phase may contribute to the overall COMFORT Trial dataset, subject to confirmation that the pilot procedures align with the finalized trial protocol and statistical analysis plan.
Tipo de estudo
Inscrição (Estimado)
Estágio
- Não aplicável
Contactos e Locais
Contato de estudo
- Nome: Nahya Awada, BSN, MCR, Ph.D.
- Número de telefone: 613-696-7000
- E-mail: naawada@ottawaheart.ca
Locais de estudo
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Ontario
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Ottawa, Ontario, Canadá, K1Y 4W7
- Recrutamento
- University of Ottawa Heart Institute
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Contato:
- Nahya Awada, BSN, MCR, Ph.D.
- Número de telefone: 613-696-7000
- E-mail: naawada@ottawaheart.ca
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Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
- Adulto
- Adulto mais velho
Aceita Voluntários Saudáveis
Descrição
Inclusion Criteria:
- Age 18 years or older
- Undergoing isolated CABG surgery with median sternotomy and a planned LIMA-LAD graft.
- Provision of written informed consent.
Exclusion Criteria:
- Non-sternotomy surgical approach (e.g., minimally invasive, thoracotomy)
- Emergency surgery (defined as surgery required within 24 hours or presentation
- History of prior ternotomy
- Currently receiving systemic antibiotics or with an active bacterial infection at the time of surgery
- History of chronic sternal pain prior to the index surgery.
- Known left subclavian artery stenosis (>50%)
- Previous radiation therapy to the chest
- Known allergy or contraindication to iodinated contrast media that cannot be managed with premedication.
- Estimated glomerular filtration rate (eGFR) <30 ml/min/1.73m2 at baseline (relative contraindications to CTA contrast). The eGFR will be determined by each participating institution according to their standard practice.
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Outro
- Alocação: Randomizado
- Modelo Intervencional: Atribuição Paralela
- Mascaramento: Quadruplicar
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
|---|---|
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Experimental: Skeletonized Harvesting of LIMA
LIMA is harvested using the skeletonized harvesting technique.
This technique isolates the artery without the surrounding satellite veins, endothoracic fascia, and intercoastal nerves.
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This intervention is the surgical technique used to harvest the artery that will be used to perform the bypass surgery.
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Comparador Ativo: Non-Skeletonized Harvesting of LIMA
LIMA is harvested using the non-skeletonized harvesting technique.
This technique isolates the artery with the surrounding satellite veins, endothoracic fascia, and intercoastal nerves.
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This intervention is the surgical technique used to harvest the artery that will be used to perform the bypass surgery.
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O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Feasibility of Implementation
Prazo: 2 years
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Combined assessment of screening, recruitment, randomization, surgical protocol adherence, and completion of study data collection and follow up procedures.
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2 years
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Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Recruitment Rate
Prazo: Activation of study to 6 months.
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Measurement of rate of participant enrollment to determine ability to efficiently recruit into the main trial.
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Activation of study to 6 months.
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Protocol Adherence
Prazo: activation to 2 years per participant.
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Ability to complete all protocol required tests and assessments.
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activation to 2 years per participant.
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Completeness of Study Data Collection
Prazo: activation to 2 years per participant.
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Measurement of ability to collect all protocol-required data.
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activation to 2 years per participant.
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Completion of CTA at 1 year.
Prazo: enrollment to 1 year.
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Feasibility of completing the CTA at 1 year for all participants.
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enrollment to 1 year.
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Colaboradores e Investigadores
Patrocinador
Colaboradores
Investigadores
- Investigador principal: Fraser Rubens, MD, MSc., Ottawa Heart Institute Research Corporation
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo (Real)
Conclusão Primária (Estimado)
Conclusão do estudo (Estimado)
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
Palavras-chave
Outros números de identificação do estudo
- 20260183-01H
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