- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 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.
연구 개요
상세 설명
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.
연구 유형
등록 (실제)
단계
- 해당 없음
연락처 및 위치
연구 장소
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London, 영국, SW3 6JJ
- Royal Marsden Hospital
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London, 영국, NW1 2BU
- University College London Hospital
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South Glamorgan
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Cardiff, South Glamorgan, 영국
- Velindre Cancer Centre
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Ontario
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London, Ontario, 캐나다, N6A 5W9
- Lawson Health Research Institute, London Health Sciences Centre
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Toronto, Ontario, 캐나다, M5G 2M9
- University of Toronto
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Quebec
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Laval, Quebec, 캐나다, G1V 0A6
- Université Laval Quebec
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New South Wales
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Sydney, New South Wales, 호주, 2010
- St. Vincent's Hospital
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Victoria
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Melbourne, Victoria, 호주, 3002
- Peter MacCallum Cancer Centre
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Melbourne, Victoria, 호주, 3084
- Austin Hospital
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Melbourne, Victoria, 호주, 3128
- Eastern Health
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참여기준
자격 기준
공부할 수 있는 나이
건강한 자원 봉사자를 받아들입니다
연구 대상 성별
설명
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
공부 계획
연구는 어떻게 설계됩니까?
디자인 세부사항
- 주 목적: 특수 증상
- 할당: 해당 없음
- 중재 모델: 단일 그룹 할당
- 마스킹: 없음(오픈 라벨)
무기와 개입
참가자 그룹 / 팔 |
개입 / 치료 |
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실험적: 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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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
기간 |
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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
기간: Within 2 weeks of 18F-FCH PET scan
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Within 2 weeks of 18F-FCH PET scan
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
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Biochemical disease free survival at 3 years post-treatment
기간: 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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공동 작업자 및 조사자
수사관
- 수석 연구원: Glenn Bauman, MD, London Regional Cancer Program
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
기본 완료 (실제)
연구 완료 (실제)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (추정)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .
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18F-FCH PET/MRI Scan에 대한 임상 시험
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Lawson Health Research InstituteCanadian Institutes of Health Research (CIHR)완전한
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University Health Network, TorontoProstate Cancer Canada완전한
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Memorial Sloan Kettering Cancer CenterNational Institutes of Health (NIH)완전한
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Sir Mortimer B. Davis - Jewish General Hospital완전한
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University Health Network, Toronto완전한
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Sir Mortimer B. Davis - Jewish General Hospital완전한
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Assistance Publique - Hôpitaux de Paris모병
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University Hospital, Basel, SwitzerlandErasmus Medical Center초대로 등록