FLT PET/CT na medição da resposta em pacientes com leucemia mielóide aguda não tratada anteriormente
Avaliação precoce da resposta ao tratamento em AML usando FLT PET/CT Imaging
This phase II trial studies fluorothymidine F 18 (FLT) positron emission tomography (PET)/computed tomography (CT) in measuring response in patients with previously untreated acute myeloid leukemia. FLT is a radioactive substance that may "light up" where cancer is in the body. FLT is injected into the blood and builds up in cells that are dividing, including cancer cells. Diagnostic procedures, such as PET/CT, may help measure a patient's response to earlier treatment.
Visão geral do estudo
Status
Status
Condições
Condições
Intervenção / Tratamento
Intervenção / Tratamento
Descrição detalhada
PRIMARY OBJECTIVES:
I. To evaluate the negative predictive value (NPV) of post-treatment FLT PET/CT imaging for complete remission (CR) in patients receiving induction chemotherapy for acute myeloid leukemia (AML).
SECONDARY OBJECTIVES:
I. To evaluate the positive predictive value (PPV) of post-treatment FLT PET/CT imaging for complete remission.
II. To estimate the sensitivity and specificity of post-treatment FLT PET/CT imaging for detecting complete remission.
III. To correlate FLT PET/CT imaging with biologic correlates (minimal residual disease [MRD] assessment) IV. To correlate FLT PET/CT imaging with relapse-free survival and overall survival.
EXPLORATORY OBJECTIVES:
III. To evaluate pre-treatment FLT PET/CT imaging as a predictor of complete remission.
IV. To evaluate the change between pre-treatment and post-treatment FLT PET/CT imaging as a predictor of complete remission.
OUTLINE:
Patients receive anthracycline intravenously (IV) on days 1-3 and cytarabine IV on days 1-7 for up to 2 courses. Patients then undergo FLT PET/CT within 3 days before or after the nadir bone marrow biopsy (between days 10-17 after initiation of first induction cycle and prior to reinduction). Patients may undergo an optional FLT PET/CT prior to induction chemotherapy if it does not interfere with commencement of treatment. Patients also undergo bone marrow biopsy and aspiration and blood sample collection during screening and on the trial.
After completion of study, patients are followed up at day 28-35, and then up to 1 year beyond the end of study accrual period.
Tipo de estudo
Tipo de estudo
Inscrição (Real)
Inscrição
Estágio
Estágio
- Fase 2
Contactos e Locais
Locais de estudo
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Minnesota
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Rochester, Minnesota, Estados Unidos, 55905
- Mayo Clinic in Rochester
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Missouri
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St Louis, Missouri, Estados Unidos, 63110
- Washington University School of Medicine
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New York
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New York, New York, Estados Unidos, 10029
- Mount Sinai Hospital
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North Carolina
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Chapel Hill, North Carolina, Estados Unidos, 27599
- UNC Lineberger Comprehensive Cancer Center
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Oklahoma
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Oklahoma City, Oklahoma, Estados Unidos, 73104
- University of Oklahoma Health Sciences Center
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Pennsylvania
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Philadelphia, Pennsylvania, Estados Unidos, 19111
- Fox Chase Cancer Center
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Philadelphia, Pennsylvania, Estados Unidos, 19104
- University of Pennsylvania/Abramson Cancer Center
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Tennessee
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Nashville, Tennessee, Estados Unidos, 37232
- Vanderbilt University/Ingram Cancer Center
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Texas
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Dallas, Texas, Estados Unidos, 75390
- UT Southwestern/Simmons Cancer Center-Dallas
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Utah
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Salt Lake City, Utah, Estados Unidos, 84112
- Huntsman Cancer Institute/University of Utah
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Wisconsin
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Madison, Wisconsin, Estados Unidos, 53792
- University of Wisconsin Carbone Cancer Center - University Hospital
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Critérios de participação
Critérios de elegibilidade
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
Inclusion Criteria:
- Age ≥ 18 years
- Patients must have previously untreated AML and be candidates for intensive induction chemotherapy; patients are allowed to have had prior hydroxyurea
- Patients must not have acute promyelocytic leukemia (APL) and must not have evidence of t(15;17)(q22;q21)
- Patients must have an Eastern Cooperative Oncology Group (ECOG) performance status of 0-3 (restricted to ECOG performance status [PS] 0-2 if age > 70 years)
- Patients must have left ventricular ejection fraction (LVEF) > 45% or within institutional normal limits
- Patients must be able to lie still for a 1.5 hour PET scan
- Patient must NOT have a history of allergic reaction attributable to compounds of similar chemical or biologic composition to 18F-fluorothymidine
- Patient must NOT weigh more than the maximum weight limit for the PET/CT table for the scanner(s) to be used at each center
- The patient is participating in the trial at an institution which has agreed to perform the imaging research studies, completed the ECOG-American College of Radiology Imaging Network (ACRIN) defined scanner qualification procedures and received ECOG-ACRIN approval as outlined
- Women must not be pregnant or breast-feeding; all females of childbearing potential must have a blood test or urine study within 2 weeks prior to registration to rule out pregnancy; a female of childbearing potential is any woman, regardless of sexual orientation or whether they have undergone tubal ligation, who meets the following criteria: 1) has not undergone a hysterectomy or bilateral oophorectomy; or 2) has not been naturally postmenopausal for at least 24 consecutive months (i.e., has had menses at any time in the preceding 24 consecutive months)
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Diagnóstico
- Alocação: N / D
- Modelo Intervencional: Atribuição de grupo único
- Mascaramento: Nenhum (rótulo aberto)
Número de braços
Armas e Intervenções
Grupo de Participantes / BraçoGrupo de Participantes / Braço |
Intervenção / TratamentoIntervenção / Tratamento |
|---|---|
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Experimental: Diagnostic (anthracycline, cytarabine, FLT PET/CT)
Patients receive anthracycline IV on days 1-3 and cytarabine IV on days 1-7 for up to 2 courses. Patients then undergo FLT PET/CT within 3 days before or after the nadir bone marrow biopsy (between days 10-17 after initiation of first induction cycle and prior to reinduction). Patients may undergo an optional FLT PET/CT prior to induction chemotherapy if it does not interfere with commencement of treatment. Patients also undergo bone marrow biopsy and aspiration and blood sample collection during screening and on the trial. |
Correlative studies Given IV
Outros nomes:
Undergo blood sample collection
Outros nomes:
Undergo bone marrow biopsy and aspiration Undergo bone marrow biopsy and aspiration
Outros nomes:
Given anthracycline IV
Outros nomes:
Undergo FLT PET/CT
Outros nomes:
Undergo FLT PET/CT
Outros nomes:
Undergo FLT PET/CT
Outros nomes:
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O que o estudo está medindo?
Medidas de resultados primários
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
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Negative Predictive Value of Post-treatment Fluorothymidine F 18 (FLT) Positron Emission Tomography (PET)/Computed Tomography (CT) Imaging for Complete Remission (CR) in Comparison With Blast Counts From Bone Marrow Biopsy (BMBX)
Prazo: Up to day 35
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Three imaging parameters (standardized uptake value [SUV]mean, SUVmax, heterogeneity of FLT uptake [SUVhetero]) will be measured from an FLT PET/CT scan and SUVmax will be the primary endpoint. Higher values of SUVmax assume to indicate a non-response the therapy and a cut point of 7 (SUVmax >7) will be used as the threshold indicating a negative scan. The binomial proportion of negative predictive value (NPV) and the corresponding exact confidence intervals will be calculated. In addition, the calculated NPV will be tested against the null hypothesis to see if it's significantly larger than 0.64 (NPV of day-14 BMBX in CR prediction). CR:Complete remission CRi: Complete remission with incomplete platelet recovery LFS: Leukemia-free state Non-responders defined as Not (CR,CRi,or LFS) Negative predictive value (NPV) of the post-treatment FLT PET/CT scan is Probability ((not CR,CRi,or LFS) │ SUVmax >7 ) |
Up to day 35
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Medidas de resultados secundários
Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Positive Predictive Value (PPV) of Post-treatment FLT PET/CT Imaging for Complete Remission
Prazo: Up to day 35
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The binomial proportion of PPV and the corresponding exact confidence intervals will be calculated. In addition, the calculated PPV will be tested to see if it's significantly larger than 0.79 (PPV of day-14 BMBX in CR prediction). |
Up to day 35
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Sensitivity of Post-treatment FLT PET/CT for Detecting Complete Remission (a Clinical Response of CR, CRi, or LFS )
Prazo: Up to day 35
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The binomial proportions and the corresponding exact confidence intervals will be calculated for sensitivity estimation where FLT Test : Negative: SUV >7; Positive: SUV<=7 Clinical Response: Negative: not (CR, CRi, or LFS); Positive (Responders): CR, CRi, or LFS |
Up to day 35
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Specificity of Post-treatment FLT PET/CT for Detecting Complete Remission
Prazo: Up to day 35
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The binomial proportions and the corresponding exact confidence intervals will be calculated for specificity estimation. Test response: Negative: SUV >7; Positive: SUV<=7 Clinical Response = Complete remissions: Negative (Non-Responders): not (CR, CRi, or LFS); Positive (Responders): CR, CRi, or LFS |
Up to day 35
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FLT PET/CT Imaging Parameters With Biologic Correlates (Minimal Residual Disease Assessment)
Prazo: Up to day 35
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FLT PET/CT imaging features will be compared with biologic correlates (minimal residual disease [MRD] assessment). |
Up to day 35
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FLT PET/CT Imaging to Predict Relapse-free Survival
Prazo: Up to day 35 and up to 4 years for RFS
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compare the Recurrence-Free Survival (RFS) between positive and negative post-treatment FLT PET/CT scans, where an SUVmax less than or equal to 7 (i.e., low FLT uptake) was considered a positive result, and an SUVmax greater than 7 (i.e., high FLT uptake) was a negative result. Participants were followed for survival outcomes until study closure when the last participant has been followed for 1 year after study enrollment. The relapse endpoint included both reappearance of blasts in the blood; and presence of more than 5% blasts not attributable to another cause Time-to-relapse was measured from the date of the remission bone marrow biopsy to the date of first recurrence or death, whichever came first. RFS was only evaluable for participants with a clinical response of CR, CRi, or LFS at the remission bone marrow biopsy. |
Up to day 35 and up to 4 years for RFS
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FLT PET/CT Imaging to Predict Overall Survival
Prazo: Up to day 35 and up to 4 years for RFS
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compare the Overall Survival (OS) between positive and negative post-treatment FLT PET/CT scans, where an SUVmax<= 7 (i.e., low FLT uptake) was considered a positive result, and an SUVmax > 7 (i.e., high FLT uptake) was a negative result. Participants were followed for survival outcomes until study closure when the last participant has been followed for 1 year after study enrollment. |
Up to day 35 and up to 4 years for RFS
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Colaboradores e Investigadores
Patrocinador
Patrocinador
Investigadores
Investigadores
- Investigador principal: Robert Jeraj, ECOG-ACRIN Cancer Research Group
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo (Real)
Início do estudo
Conclusão Primária (Real)
Conclusão Primária
Conclusão do estudo (Estimado)
Conclusão do estudo
Datas de inscrição no estudo
Enviado pela primeira vez
Enviado pela primeira vez
Enviado pela primeira vez que atendeu aos critérios de CQ
Enviado pela primeira vez que atendeu aos critérios de CQ
Primeira postagem (Estimado)
Primeira postagem
Atualizações de registro de estudo
Última Atualização Postada (Real)
Última Atualização Postada
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última atualização enviada que atendeu aos critérios de controle de qualidade
Última verificação
Última verificação
Mais Informações
Termos relacionados a este estudo
Termos MeSH relevantes adicionais
- Neoplasias
- Neoplasias por Tipo Histológico
- Doenças Hematológicas
- Leucemia Mieloide
- Leucemia
- Doenças hemic e linfáticas
- Leucemia Mieloide Aguda
- Compostos heterocíclicos, 1 anel
- Compostos heterocíclicos
- Técnicas de investigação
- Terapêutica
- Técnicas de laboratório clínico
- Técnicas e procedimentos de diagnóstico
- Diagnóstico
- Procedimentos cirúrgicos, operatórios
- Técnicas citológicas
- Ácidos nucleicos, nucleotídeos e nucleosídeos
- Citodiagnóstico
- Citidina
- Nucleosídeos de pirimidina
- Pirimidinas
- Técnicas de diagnóstico, cirúrgico
- Técnicas de química, analíticas
- Análise de espectro
- Nucleosídeos
- Arabinonucleosides
- Citarabina
- Biópsia
- Manipulação de amostras
- Espectroscopia de ressonância magnética
- Terapia medicamentosa
- Alovudine
Outros números de identificação do estudo
Outros números de identificação do estudo
- NCI-2015-00328
- U10CA180820 (Concessão/Contrato do NIH dos EUA)
- NCI-2015-00328 (Identificador de registro: CTRP (Clinical Trial Reporting Program))
- EAI141 (Outro identificador: CTEP)
- U10CA180827 (Concessão/Contrato do NIH dos EUA)
- EAI141
- EAI141 (Outro identificador: ECOG-ACRIN Cancer Research Group)
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