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- Ensaio Clínico NCT00526591
Everolimus in Treating Patients With Newly Diagnosed Localized Prostate Cancer
Randomized Phase II Study of Two Different Doses of RAD-001 (Everolimus) as Neo-Adjuvant Therapy in Patients With Localized Prostate Cancer
RATIONALE: Everolimus may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Giving everolimus before surgery may make the tumor smaller and reduce the amount of normal tissue that needs to be removed.
PURPOSE: This randomized phase II trial is studying the side effects and how well everolimus works in treating patients with newly diagnosed localized prostate cancer.
Visão geral do estudo
Status
Condições
Intervenção / Tratamento
Descrição detalhada
OBJECTIVES:
Primary
- To determine the clinical effects of everolimus, in terms of pathologic response (i.e., histologic P0, margin status, or capsular penetration) and surgical outcome, in patients with newly diagnosed localized prostate cancer treated with two different doses of everolimus prior to radical prostatectomy.
- To evaluate the safety and tolerability of this drug in these patients.
Secondary
- To determine the effect of this drug on prostate-specific antigen (PSA) levels in these patients.
- To determine the effect of this drug on levels of expression of PTEN, Akt, phospho-mTOR (i.e., Se2448), phospho-p70 S6 kinase (i.e., Thre389), phospho-Smad3 (i.e., Ser433/435), phospho-Smads 1/5 (i.e., Ser463/465), AR, and TUNEL in these patients.
OUTLINE: Patients are randomized to 1 of 2 treatment arms.
- Arm I: Patients receive low-dose oral everolimus once daily for up to 8 weeks in the absence of unacceptable toxicity.
- Arm II: Patients receive high-dose oral everolimus once daily for up to 8 weeks in the absence of unacceptable toxicity.
Within 7 days after the last dose of everolimus, all patients undergo radical prostatectomy with bilateral pelvic lymphadenectomy.
Tumor biopsy specimens acquired prior to treatment and prostate tumor tissue acquired at the time of radical prostatectomy are evaluated for biomarker correlative studies. Tissue samples are assessed by immunohistochemistry (IHC) and tissue microarray analysis for expression of cellular and molecular biomarkers (i.e., p-S6, p-4E-BP1, and p-Akt) that correlate with response. Prostatectomy specimens are also assessed by pathologic analysis for histopathologic response (i.e., pathologic stage, Gleason score, margin status, and tumor size).
After completion of study therapy, patients are followed at 6 weeks.
Tipo de estudo
Inscrição (Real)
Estágio
- Fase 2
Contactos e Locais
Locais de estudo
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Ohio
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Cleveland, Ohio, Estados Unidos, 44195
- Cleveland Clinic Taussig Cancer institute, Case Comprehensive Cancer Center
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Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
DISEASE CHARACTERISTICS:
Histologically or cytologically confirmed newly diagnosed, localized adenocarcinoma of the prostate, meeting any of the following criteria:
- Clinical stage T2a, T2b, T2c, or T3 disease (any grade or PSA)
- Gleason score 7 (4+3 only) or ≥ 8 (any stage or PSA)
- Serum PSA ≥ 10 ng/dL (any grade or stage)
- Any stage, PSA, or Gleason score AND ≥ 35% chance of biochemical failure at 5 years based on Kattan's nomogram
- Recommended for radical prostatectomy
- Normal testosterone level
- No pure neuroendocrine or small cell prostate cancer
- No metastatic disease by CT scan, MRI, bone scan, or X-ray
- No clinical evidence of CNS metastases
PATIENT CHARACTERISTICS:
Inclusion criteria:
- ECOG performance status (PS) 0-1 or Karnofsky PS 70-100%
- ANC ≥ 1,500/μL
- Platelet count ≥ 100,000/μL
- Hemoglobin ≥ 8 g/dL
- AST and ALT ≤ 1.5 times upper limit of normal (ULN)
- Bilirubin ≤ 1.5 times ULN
- Creatinine ≤ 1.5 times ULN
- PT/PTT normal (no anticoagulants)
- No active unresolved infection
- No known HIV positivity
- Fertile patients must use effective contraception during and for 6 months after completion of study therapy
Exclusion criteria:
- Known hypersensitivity to everolimus or other rapamycins (e.g., sirolimus or temsirolimus) or to its excipients
Gastrointestinal (GI) disease, condition, or symptoms that may significantly impair GI function and alter the absorption of everolimus, including any of the following:
- Ulcerative disease
- Uncontrolled nausea
- Vomiting
- Diarrhea
- Malabsorption syndrome
- Other active malignancy or malignancy at ≥ 30% risk for relapse after completion of therapy, except nonmelanoma skin cancer
Uncontrolled concurrent illness including, but not limited to, any of the following:
- Ongoing or active infection (e.g., bacterial, viral or fungal)
- Severely impaired lung function
- Uncontrolled diabetes (fasting serum glucose > 1.5 times ULN)
- Liver disease (e.g., cirrhosis, chronic active hepatitis, or chronic persistent hepatitis)
- Symptomatic congestive heart failure
- Unstable angina pectoris
- Cardiac arrhythmia
- Psychiatric illness or social situation that would limit study compliance
- Any underlying medical condition which, in the principal investigator's opinion, will make the administration of everolimus hazardous OR obscure the interpretation of adverse events
PRIOR CONCURRENT THERAPY:
- More than 4 weeks since major surgery
- More than 3 months since finasteride
- No prior or concurrent radiotherapy to the prostate gland or pelvis
- No prior hormones (e.g., luteinizing hormone-releasing hormone [LHRH] agonists, LHRH antagonists, or antiandrogens [e.g., bicalutamide, flutamide, or nilutamide]) and/or PC-SPES (or PC-x product) or estrogen-containing nutraceuticals
- No prior rapamycin mTOR inhibitor
- No prior small bowel resection that may significantly impair GI function and alter the absorption of everolimus
- No prior or concurrent immunotherapy, chemotherapy, or other investigational therapy for prostate cancer
- No other concurrent investigational or commercial agents
- No other concurrent anticancer agents
- No concurrent, chronic treatment with systemic steroids (except inhaled or topical steroids) or another immunosuppressive agent
- No concurrent live vaccines
- No concurrent strong inhibitors or inducers of the isoenzyme CYP3A administered as systemic therapy
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Tratamento
- Alocação: Randomizado
- Modelo Intervencional: Atribuição Paralela
- Mascaramento: Nenhum (rótulo aberto)
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
|---|---|
|
Experimental: Low-dose Everolimus Cohort
5mg Everolimus daily continuously for 8 weeks and conventional surgery
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Patients will receive arm-specific dosage of Everolimus daily continuously for 8 week
Outros nomes:
Radical prostatectomy with bilateral pelvic lymphadenectomy will be performed within 10 days of the completion of week 8 on RAD-001 (Everolimus).
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|
Comparador Ativo: High-dose Everolimus Cohort
10mg Everolimus daily continuously for 8 weeks and conventional surgery
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Patients will receive arm-specific dosage of Everolimus daily continuously for 8 week
Outros nomes:
Radical prostatectomy with bilateral pelvic lymphadenectomy will be performed within 10 days of the completion of week 8 on RAD-001 (Everolimus).
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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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Proportion of Patients Who Are P0 (i.e., no Clinically Detectable Tumor in the Pathologic Specimen) at Surgery
Prazo: After 8 weeks of therapy at the time of prostatectomy
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Specimens are fixed in formalin for 24 hours.Specimens are the cut at 3 mm intervals perpendicular to the rectal surface and the sections are examined grossly and microscopically on routine Hematoxylin and Eosin stain (H&E) (pathologic complete response or P0) will be defined as responders.
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After 8 weeks of therapy at the time of prostatectomy
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Toxicity Profile of Each Dose (Number of Patients With Worst Grade Toxicity)
Prazo: at daily dose for 8 weeks
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Toxicity will be assessed using the NIH-NCI Common Terminology Criteria for Adverse Events, version 3.0 (CTCAEv3.0)
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at daily dose for 8 weeks
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Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Change in PSA
Prazo: Up to 16 weeks after start of study
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Time-to-event data, such as change in PSA will be summarized using the method of Kaplan and Meier.
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Up to 16 weeks after start of study
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Outras medidas de resultado
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Effect of Treatment on Biological and Molecular Markers
Prazo: After 8 weeks of therapy
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Immunohistochemical Staining of Cellular and Molecular Markers in Prostate Tumor Tissue
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After 8 weeks of therapy
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Colaboradores e Investigadores
Patrocinador
Colaboradores
Investigadores
- Investigador principal: Jorge A. Garcia, MD, Case Comprehensive Cancer Center
Publicações e 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 (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
- CASE21806
- P30CA043703 (Concessão/Contrato do NIH dos EUA)
- CASE-21806 (Outro identificador: Case Comprehensive Cancer Center)
- CASE-21806-CC256 (Outro identificador: Cancer Center IRB)
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