Molecular Determinants of Response to Preoperative Therapy in Patients With Locally Advanced Colorectal Cancer
The goal of this laboratory research is to look for genes that can predict which patients will achieve a complete disappearance of their colorectal cancer after treatment like chemotherapy, radiation, or other therapy.
This is an investigational study. Up to 350 patients will take part in this study. All will be enrolled at MD Anderson.
Visão geral do estudo
Descrição detalhada
Patients with colorectal cancer usually receive radiation, chemotherapy, or other therapy before they have surgery. At this time, there are no tests that can help researchers find out which patients no longer have any tumor left after completing treatment. Because of this, all patients have to have surgery to completely remove the rectum and/or part of the colon. This procedure results in lifestyle changes for the patient, which may be difficult and permanent.
Researchers are looking for new ways to find out which patients will have no tumor left after treatment, so that in the future, some patients may be able to avoid surgery altogether. In this study, researchers will try to use chemical "markers" in tumor cells as a way to possibly predict whether or not the tumor is likely to disappear with treatment alone.
At MD Anderson, all patients with colorectal cancer have an endoscopy performed by their surgeon as part of standard care, before they start therapy. Endoscopy involves placing a narrow tube in the colon and/or rectum in order to see and inspect the tumor.
If you choose to take part in this study, tissue samples will be taken from the tumor and the normal areas during your standard endoscopy. If you undergo surgery, tissue samples from the tumor(s) and normal areas will also be collected. At the time of endoscopy and/or surgery, once the doctor has finished all standard tests on this tissue and has received the clinical reports on these tests, any leftover tissue samples will be collected by Dr. You or a person on her research team for research tests to look for tumor cell "markers." Researchers want to find out how these markers may have changed since you began receiving treatment for the disease.
Some of the tissue from your biopsies may also be sent to the labs at University of Texas-Southwest or Natera for testing. No identifying information about you will be included with these samples. They will have a special number assigned, so that the samples being sent to UT Southwest or Natera will not be able to be connected to you in any way.
The results of these tests will not be used to make any decisions regarding treatment of your rectal cancer. There are no other tests or procedures required in this study
Tipo de estudo
Inscrição (Antecipado)
Contactos e Locais
Contato de estudo
- Nome: Yi-Qian N. You, MD
- Número de telefone: 713-792-6940
- E-mail: YNYou@mdanderson.org
Locais de estudo
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Texas
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Houston, Texas, Estados Unidos, 77030
- Recrutamento
- University of Texas MD Anderson Cancer Center
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Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Método de amostragem
População do estudo
Descrição
Inclusion Criteria:
- Patients with colorectal adenocarcinoma (diagnosis based on either MDACC or outside records)
- Patients scheduled to undergo neoadjuvant therapy per MDACC care team.
- Patients over 18 years of age.
- Patients with distant organ findings deemed to be indeterminate or metastatic will be enrolled at the surgeon's discretion.
- Patients who have been deemed medically safe to undergo endoscopic biopsy by the physician performing the procedure.
- Patients who would have typically undergone preoperative therapy followed by surgery but for specific reasons at the discretion of the treating physician underwent surgery without preoperative therapy may be enrolled at the surgeons' discretion.
Exclusion Criteria:
N/A
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
Coortes e Intervenções
Grupo / Coorte |
Intervenção / Tratamento |
|---|---|
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Colorectal Cancer
Participants undergo standard endoscopy before therapy.
Tissue samples taken from the tumor and normal colorectal tissue.
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Tissue samples taken from tumor and normal colorectal tissue during standard endoscopy before therapy.
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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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Predictive Tumor Cell Biomarkers After Chemoradiation Treatment for Colorectal Cancer
Prazo: 1 day
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Tissue taken at endoscopy undergoes testing for tumor cell biomarkers to identify patients who achieve complete response (CR).
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1 day
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Colaboradores e Investigadores
Patrocinador
Publicações e links úteis
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 (Estimativa)
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
Termos MeSH relevantes adicionais
Outros números de identificação do estudo
- LAB04-0962
- R33 CA118505-01 (Número de outro subsídio/financiamento: American Society of Colon and Rectal Surgeons Research)
Informações sobre medicamentos e dispositivos, documentos de estudo
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