- ICH GCP
- Registro de ensaios clínicos dos EUA
- Ensaio Clínico NCT02131649
PET/MRI for Men Being Considered for Radiotherapy for Suspected Prostate Cancer Recurrence Post-Prostatectomy (PROPS)
PROPS (PET/MRI Pre-Radiotherapy for Post-Prostatectomy Salvage)
The PROPS trial is for men being considered for radiotherapy due to the suspicion that their prostate cancer has recurred following the surgical removal of their prostate (prostatectomy). This suspicion is based on rises seen on Prostate Specific Antigen (PSA) blood tests. Only men who demonstrate the absence of disease on standard imaging scans (Computed Tomography (CT) and bone scans) will be invited to participate.
This study will be assessing if the imaging probe 18-F Fluorocholine (18F-FCH) used during Positron Emission Tomography (PET) and Magnetic Resonance Imaging (MRI) scans, can better predict who will benefit from radiotherapy by identifying the source of cancer recurrence. This will be determined by measuring the number of men who have disease identified outside of the prostate bed (the small pocket or depression where the prostate used to be) on their 18F-FCH PET scan. Since F-18-FCH has been shown to be more sensitive in detecting prostate cancer that may have spread into lymph nodes or bone, it may potentially identify areas of prostate cancer spread not seen with standard imaging.
Visão geral do estudo
Status
Condições
Intervenção / Tratamento
Descrição detalhada
The study will be a non-randomized, prospective study of men with suspected local recurrence of prostate cancer post-prostatectomy with negative conventional re-staging studies (bone scan and CT of the abdomen and pelvis; MRI of the pelvis as part of re-staging is allowed where it is the institutional standard of care). The clinician will develop an initial treatment plan based on conventional re-staging information.
Patients enrolled onto trial will undergo hybrid PET/MR imaging using 18F-FCH (sites without access to a hybrid PET/MR scanner will conduct a 18F-FCH PET/CT in addition to a full body MRI). A consensus staging report based on local and centralized review of the 18F-FCH PET imaging will be provided to the attending clinician, who will document a second treatment plan based on this additional information. The treatment plan to be implemented (initial or second) will be left to clinician discretion, but will be documented.
Tipo de estudo
Inscrição (Real)
Estágio
- Não aplicável
Contactos e Locais
Locais de estudo
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New South Wales
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Sydney, New South Wales, Austrália, 2010
- St. Vincent's Hospital
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Victoria
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Melbourne, Victoria, Austrália, 3002
- Peter MacCallum Cancer Centre
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Melbourne, Victoria, Austrália, 3084
- Austin Hospital
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Melbourne, Victoria, Austrália, 3128
- Eastern Health
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Ontario
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London, Ontario, Canadá, N6A 5W9
- Lawson Health Research Institute, London Health Sciences Centre
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Toronto, Ontario, Canadá, M5G 2M9
- University of Toronto
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Quebec
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Laval, Quebec, Canadá, G1V 0A6
- Université Laval Quebec
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London, Reino Unido, SW3 6JJ
- Royal Marsden Hospital
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London, Reino Unido, NW1 2BU
- University College London Hospital
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South Glamorgan
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Cardiff, South Glamorgan, Reino Unido
- Velindre Cancer Centre
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Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
Inclusion Criteria:
- Male, aged 18 years or older.
- Confirmation of prostate cancer on prostatectomy pathology report.
- No lymph node involvement (N0 or Nx) reported on prostatectomy pathology report.
- Documented PSA rise measured on 3 occasions.
- PSA ≥ 0.2 ng/ml at enrolment.
- At least one adverse feature: Current PSA > or equal to 1.0, Initial Gleason Grade > or equal to 8, Positive surgical margin, pT3b (seminal vesicle involvement), or PSA doubling time < 10 months.
- Bone scan and CT scan within 12 weeks of enrolment negative or equivocal for metastatic disease.
- Suitable candidate for radiotherapy and not yet had any salvage treatment post-prostatectomy.
Exclusion Criteria:
- Prostate cancer with significant sarcomatoid or spindle cell or neuroendocrine small cell components.
- Proven metastatic disease.
- Patients who refuse salvage prostate bed radiotherapy.
- Patients who refuse to join the trial or are unable to consent.
- Patients not being considered for further therapy.
- Patients who cannot lie still for at least 30 minutes or comply with imaging.
- Unequivocal evidence of disease outside the prostate bed on conventional imaging
- Allergy to MRI contrast agent (exclusion for MRI component only) or PET tracer to be used as part of the imaging
- Sickle cell disease or other anemias
- Insufficient renal function (eGFR < 30 mL/min/1.73 m2)
- Residual bladder volume > 150 cc (determined by post-void ultrasound)
- Hip prosthesis, vascular grafting or other conditions affecting imaging or delivery of therapeutic radiation
- Contraindication to MRI, including but not restricted to: pacemaker or other electronic implants, known metal in the orbit, MR incompatible surgical or cerebral aneurysm clips, Shrapnel, tattoos, non-removable body piercings (relative contraindications)
- Hormone Androgen deprivation therapy of any type within 6 months prior to enrollment
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)
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
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Experimental: 18F-FCH PET/MRI Scan
Patients will undergo an injection of 18F-fluoromethyl-choline at 3.6 MBq/kg followed by whole body PET/CT imaging.
Patients will also undergo a whole body MRI including T2 weighted, Diffusion weighted and Gadolinium Contrast Enhanced sequences.
Patients with suspicion for recurrence may undergo biopsy if lesions identified on PET/CT or MRI are accessible for biopsy
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Patients will first undergo screening to ensure eligibility.
If eligible, they will undergo a PET/MRI scan using 18F-FCH as the radiolabeled tracer.
If prostate cancer is detected outside the prostate, patients may undergo a biopsy or follow-up 18F-FCH PET/MRI to confirm the results.
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O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Prazo |
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Proportion of men with negative or equivocal conventional restaging imaging (bone scan + CT scan of abdomen and pelvis) with uptake identified outside of the prostate bed on 18F-FCH PET
Prazo: Within 2 weeks of 18F-FCH PET scan
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Within 2 weeks of 18F-FCH PET scan
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Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
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Biochemical disease free survival at 3 years post-treatment
Prazo: 3 years post-treatment
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Whether biochemical (PSA) control rates 3 years post-treatment are improved for participants with 18F-FCH PET imaging that was negative or demonstrated uptake confined to the prostate bed and received salvage pelvic radiotherapy compared to published results for men with adverse features.
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3 years post-treatment
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Colaboradores e Investigadores
Patrocinador
Investigadores
- Investigador principal: Glenn Bauman, MD, London Regional Cancer Program
Datas de registro do estudo
Datas Principais do Estudo
Início do estudo (Real)
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
- GAP02-01.1
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