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- Ensaio Clínico NCT00411450
Panitumumab Regimen Evaluation in Colorectal Cancer to Estimate Primary Response to Treatment (PRECEPT)
Multi Center, Open Label, Single Arm Trial Evaluating Panitumumab in Combination With FOLFIRI Therapy Following First Line FOLFOX and Bevacizumab Treatment of Metastatic Colorectal Cancer
Visão geral do estudo
Status
Condições
Intervenção / Tratamento
Tipo de estudo
Inscrição (Real)
Estágio
- Fase 2
Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
Inclusion Criteria:
- Diagnosis of metastatic adenocarcinoma of the colon or rectum
- Available paraffin-embedded tumor tissue
- Failure of first line treatment containing fluoropyrimidine and oxaliplatin based chemotherapy with bevacizumab for mCRC
- Measurable disease
- Adequate hematologic, renal, hepatic and metabolic function
Exclusion Criteria:
- Radiotherapy ≤ 2 weeks prior to Day 1 of Cycle 1
- Unresolved toxicity(ies) from prior anti cancer therapy that, in the opinion of the investigator, precludes the subject from study enrollment
- Prior irinotecan therapy, anti epidermal growth factor receptor (EGFr) therapy, or vaccine for the treatment of mCRC
- CYP3A4 enzyme inducers, inhibitors, and substrates (eg, phenytoin, phenobarbital, carbamazepine, ketoconazole, rifampin, rifabutin, and St. John's Wort) ≤ 2 weeks prior to Day 1 of Cycle 1
- Infection requiring systemic anti infectives completed ≤ 2 weeks prior to Day 1 of Cycle 1
- Clinically significant cardiovascular disease
- History of interstitial lung disease (eg, pneumonitis or pulmonary fibrosis)
- Pulmonary embolism, deep vein thrombosis, or other significant thromboembolic event ≤ 8 weeks prior to Day 1 of Cycle 1
- Any significant bleeding ≤ 6 weeks prior to Day 1 of Cycle 1, per the investigator's judgement
- Gastroduodenal ulcer(s) determined by endoscopy to be active or uncontrolled gastrointestinal ulcer ≤ 4 weeks prior to Day1 of Cycle 1
- Any co-morbid disease or condition that could increase the risk of toxicity (eg, dihydropyrimidine deficiency, significant ascites, or pleural effusion)
- Major surgery (requiring general anesthesia), open biopsy, or significant traumatic injury ≤ 4 weeks prior to Day1 of Cycle 1. Subjects must have recovered from surgery and have no significant complications
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Tratamento
- Alocação: N / D
- Modelo Intervencional: Atribuição de grupo único
- Mascaramento: Nenhum (rótulo aberto)
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
---|---|
Experimental: Panitumumab plus FOLFIRI
Participants received 6 mg/kg panitumumab intravenously (IV) once every 14 days in combination with FOLFIRI chemotherapy regimen consisting of irinotecan, infusional 5-fluorouracil, and leucovorin, until disease progression, intolerability, death, or study withdrawal.
|
Administrado por infusão intravenosa
Outros nomes:
Quimioterapia consistindo de irinotecano com infusão de 5-fluorouracil e leucovorina.
O regime posológico recomendado e a administração de FOLFIRI foram baseados no padrão local de tratamento, na bula de cada produto e nas diretrizes institucionais.
|
O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
---|---|---|
Objective Response Rate at Weeks 17 and 25
Prazo: Week 17 and Week 25
|
Objective response rate is defined as the percentage of participants with a best response of complete response or partial response.
Disease assessments were based on investigator review of scans using modified Response Evaluation Criteria in Solid Tumors (RECIST) criteria.
A complete or partial response was confirmed no less than 4 weeks after the criteria for response were first met.
Participants with no radiographic tumor assessment(s) at Week 17 or 25 were considered non-responders.
Complete Response (CR): disappearance of all target and non-target lesions and no new lesions.
Partial Response (PR): At least a 30% decrease in the size of target lesions with no progression of non-target lesions (defined as a ≥ 25% increase in lesion size) and no new lesions, or, the disappearance of all target lesions but persistence of 1 or more non-target lesions not qualifying for either CR or progressive disease (PD) and no new lesions.
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Week 17 and Week 25
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Best Response During Second-Line Treatment
Prazo: Tumor response was assessed at Weeks 9, 17, 25, and 33, and once every 12 weeks thereafter until the end of second-line treatment; maximum time on treatment was 77 weeks.
|
Objective response rate is defined as the percentage of participants with a best response of complete response or partial response based on investigator review of scans using modified RECIST criteria. A complete or partial response was confirmed no less than 4 weeks after the criteria for response were first met. Participants with no post-baseline radiographic tumor assessment(s) were considered non-responders. CR: disappearance of all target and non-target lesions and no new lesions. PR: At least a 30% decrease in the size of target lesions with no progression of non-target lesions (defined as a ≥ 25% increase in lesion size) and no new lesions, or, the disappearance of all target lesions but persistence of 1 or more non-target lesions not qualifying for either CR or PD and no new lesions. |
Tumor response was assessed at Weeks 9, 17, 25, and 33, and once every 12 weeks thereafter until the end of second-line treatment; maximum time on treatment was 77 weeks.
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Progression-free Survival Rate at Weeks 17 and 25
Prazo: Week 17 and Week 25
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The progression-free survival rate is defined as the Kaplan-Meier (KM) estimator of progression-free survival at Week 17 and Week 25 reported as the probability of being event (disease progression or death)-free. Tumor assessments were evaluated by the investigator according to modified RECIST criteria. PD: At least a 20% increase in the size of target lesions since the treatment started or at least a 25% increase in the size of non-target lesions and the lesion(s) measure ≥ 10 mm, or the appearance of any new lesions. Participants who withdraw from the study prior to completion of Week 17 or 25 radiographic tumor assessments were censored at the last evaluable tumor assessment. |
Week 17 and Week 25
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Progression-free Survival Time
Prazo: From Study Day 1 until the data cut-off date of 2 January 2009; median follow-up time was 39 weeks, with a maximum of 93 weeks.
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Progression-free survival time was defined as the time from Study Day 1 to the date of disease progression (based on investigator assessment) or the date of death due to any cause.
Participants who terminated from the study early (eg, prior to disease progression due to fully withdrawn informed consent) were censored at their last tumor assessment.
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From Study Day 1 until the data cut-off date of 2 January 2009; median follow-up time was 39 weeks, with a maximum of 93 weeks.
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Disease Control Rate at Weeks 17 and 25
Prazo: Week 17 and Week 25
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The percentage of participants whose best response was either a complete or partial response or stable disease, based on modified RECIST criteria as assessed by the investigator.
Stable diease (SD): Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD of target lesions and no progression of existing non-target lesions and no new lesions, or, the persistence of 1 or more non-target lesions not qualifying for either CR or PD if no target lesions were identified at Baseline.
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Week 17 and Week 25
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Duration of Response
Prazo: Tumor response was assessed at Weeks 9, 17, 25, and 33, and once every 12 weeks thereafter until the end of second-line treatment; maximum time on treatment was 77 weeks.
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Duration of response is defined as the time from the date of first response to the date of first progression of disease during second-line treatment (as evaluated by the investigator) or death (if the death was due to disease progression but not detected earlier) in the subset of participants who responded (CR or PR, as evaluated by the investigator).
Duration of response was analyzed using Kaplan-Meier methods; participants who responded but did not progress while on study were censored at the date of last tumor assessment.
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Tumor response was assessed at Weeks 9, 17, 25, and 33, and once every 12 weeks thereafter until the end of second-line treatment; maximum time on treatment was 77 weeks.
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Overall Survival
Prazo: From Study Day 1 until the data cut-off date of 2 January 2009; median follow-up time was 39 weeks, with a maximum of 93 weeks.
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Overall survival is defined as as the number of days from Study Day 1 to the date of death due to any cause.
Overall survival was analyzed using the Kaplan-Meier method; participants who were lost to follow-up or who had not died at the end of the study (52 weeks after the last participant was enrolled) were censored at the date of last contact.
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From Study Day 1 until the data cut-off date of 2 January 2009; median follow-up time was 39 weeks, with a maximum of 93 weeks.
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Time to Treatment Failure
Prazo: Tumor response was assessed at Weeks 9, 17, 25, and 33, and once every 12 weeks thereafter until the end of second-line treatment; maximum time on treatment was 77 weeks.
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Time to failure of second-line treatment is defined as the time from study Day 1 to the date of the earliest of the following events: end of second-line therapy due to any reason except for complete response and curative surgery; progressive disease; or death due to any cause.
Time to treatment failure was analyzed using Kaplan-Meier methods; participants who did not discontinue second-line treatment or discontinue due to complete response or curative surgery, who were still alive, and who did not have disease progression were censored at the date of the last contact.
|
Tumor response was assessed at Weeks 9, 17, 25, and 33, and once every 12 weeks thereafter until the end of second-line treatment; maximum time on treatment was 77 weeks.
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Time to Progression
Prazo: From Study Day 1 until the data cut-off date of 2 January 2009; median follow-up time was 39 weeks, with a maximum of 93 weeks.
|
Time to progression is defined as the time from study Day 1 to the date of observed disease progression.
Time to progression was analyzed using Kaplan-Meier methods; participants who did not have disease progression were censored at the date of last evaluable tumor assessment.
|
From Study Day 1 until the data cut-off date of 2 January 2009; median follow-up time was 39 weeks, with a maximum of 93 weeks.
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Time to Response
Prazo: Tumor response was assessed at Weeks 9, 17, 25, and 33, and once every 12 weeks thereafter until the end of second-line treatment; maximum time on treatment was 77 weeks.
|
Time to response of second-line treatment is defined as the time from study Day 1 to the date of first documentation of CR or PR, calculated for those participants with an objective tumor response of CR or PR.
|
Tumor response was assessed at Weeks 9, 17, 25, and 33, and once every 12 weeks thereafter until the end of second-line treatment; maximum time on treatment was 77 weeks.
|
Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
---|---|---|
Number of Participants With Adverse Events
Prazo: From the first dose date to 30 days after the last dose date. The median time frame is 4.5 months.
|
The severity of adverse events (AEs) was graded according to the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 3.0, except for panitumumab related skin toxicities, where Grade 1 = Mild AE; Grade 2 = Moderate AE; Grade 3 = Severe AE; Grade 4 = Life-threatening or disabling AE; Grade 5 = Death related to AE.
The relationship of each adverse event to the panitumumab and/or FOLFIRI regimen was assessed by the investigator.
A serious adverse event was defined as an adverse event that • is fatal • is life threatening • requires in-patient hospitalization or prolongation of existing hospitalization • results in persistent or significant disability/incapacity • is a congenital anomaly/birth defect • other significant medical hazard.
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From the first dose date to 30 days after the last dose date. The median time frame is 4.5 months.
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Number of Participants With Grade 4 Laboratory Toxicities
Prazo: From the first dose date to 30 days after the last dose date. The median time frame is 4.5 months.
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Laboratory toxicities were graded according to CTCAE version 3.
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From the first dose date to 30 days after the last dose date. The median time frame is 4.5 months.
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Number of Participants Who Developed Antibodies to Panitumumab
Prazo: Prior to first dose and 28 days after the last dose of second-line treatment
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The immunogenicity of panitumumab was evaluated using 2 different screening immunoassays for the detection of anti-panitumumab antibodies: an acid dissociation bridging enzyme-linked immunosorbent assay (ELISA; detecting high-affinity antibodies) and a Biacore® biosensor immunoassay (detecting both high and low-affinity antibodies).
When either of the 2 screening assays yielded a positive result, that particular sample was subjected to an in vitro bioassay for the detection of neutralizing antibodies.
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Prior to first dose and 28 days after the last dose of second-line treatment
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Colaboradores e Investigadores
Patrocinador
Publicações e links úteis
Publicações Gerais
- Weeraratne D, Chen A, Pennucci JJ, Wu CY, Zhang K, Wright J, Perez-Ruixo JJ, Yang BB, Kaliyaperumal A, Gupta S, Swanson SJ, Chirmule N, Starcevic M. Immunogenicity of panitumumab in combination chemotherapy clinical trials. BMC Clin Pharmacol. 2011 Nov 9;11:17. doi: 10.1186/1472-6904-11-17.
- Cohn AL, Shumaker GC, Khandelwal P, Smith DA, Neubauer MA, Mehta N, Richards D, Watkins DL, Zhang K, Yassine MR. An open-label, single-arm, phase 2 trial of panitumumab plus FOLFIRI as second-line therapy in patients with metastatic colorectal cancer. Clin Colorectal Cancer. 2011 Sep;10(3):171-7. doi: 10.1016/j.clcc.2011.03.022. Epub 2011 Apr 28.
Links úteis
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo
Conclusão Primária (Real)
Conclusão do estudo (Real)
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 (Estimativa)
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
- Doenças do aparelho digestivo
- Neoplasias
- Neoplasias por local
- Neoplasias gastrointestinais
- Neoplasias do Aparelho Digestivo
- Doenças Gastrointestinais
- Doenças do cólon
- Doenças Intestinais
- Neoplasias Intestinais
- Doenças retais
- Neoplasias Colorretais
- Agentes Antineoplásicos
- Agentes Antineoplásicos Imunológicos
- Panitumumabe
Outros números de identificação do estudo
- 20060277
Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .
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