- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT07568613
Comparing PSMA PET/CT and MRI-RSI for Finding and Outlining Tumors Inside the Prostate in Men With Newly Diagnosed Prostate Cancer (PRIDE2-PC)
Prospective Comparison of PSMA PET/CT and MRI-RSI (Restriction Spectrum Imaging) for Intraprostatic Tumor Detection and Delineation in Primary Prostate Cancer Patients
The detection and delineation of the intraprostatic tumor burden plays a crucial role in the personalized treatment of primary prostate cancer. The current gold standard multiparametric magnetic resonance imaging (mpMRI) is used to guide targeted prostate biopsies for initial diagnostic work up and for definitive focal dose-escalated radiotherapy in intermediate and high-risk prostate cancer patients.
However, mpMRI might underestimate the tumor volume and manual gross tumor volume delineation based on mpMRI underlies significant interobserver variability. Thus, novel imaging modalities are warranted to increase the detection rate and/or decrease the interobserver variability during tumor delineation.
This study will prospectively compare two promising advanced medical imaging methods: MRI-RSI and PSMA PET with the current gold-standard mpMRI for tumor detection and delineation in primary prostate cancer patients.
연구 개요
연구 유형
등록 (추정된)
단계
- 해당 없음
연락처 및 위치
연구 연락처
- 이름: CONSTANTINOS ZAMBOGLOU, DR
- 전화번호: +35725208000
- 이메일: kristis.vevis@goc.com.cy
연구 장소
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Limassol, 키프로스, 4108
- 모병
- German Oncology Center
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연락하다:
- CONSTANTINA CLOCONI
- 전화번호: +35725208000
- 이메일: constantina.cloconi@goc.com.cy
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참여기준
자격 기준
공부할 수 있는 나이
- 성인
- 고령자
건강한 자원 봉사자를 받아들입니다
설명
Inclusion Criteria:
- Newly diagnosed and histologically confirmed primary prostate cancer
- NCCNv4.2024 risk groups: unfavorable intermediate risk, high-risk and very high-risk
- Males, age ≥ 18 years
- ECOG performance status 0-2
- Estimated life expectancy ≥ 5 years
- PSMA-PET/CT-hybrid imaging performed <3 months
- MRI-targeted biopsy on PIRADs v2.1 lesion ≥3 performed <6 months
Exclusion Criteria:
- Contraindications for MRI imaging
- No visible tumor on PSMA PET and mpMRI (defined by PIRADs v2.1 ≤2 lesion)
- TUR-P of the prostate <1 year ago
- Initial PSA >100 ng/ml
- History of cancer (exception: localized skin tumours, tumours treated ≥5 years previously with curative intent and no evidence of recurrent disease)
- Previous radiation therapy to the pelvis
- ADT or ADT + other systemic therapy before inclusion
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: Prospective comparison of PSMA PET/CT and MRI-RSI for patients with primary prostate cancer
MRI-RSI imaging of the prostate (non-invasive)
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MRI-RSI imaging of the prostate (non-invasive)
PET scan according to standard protocol
Biopsy according to standard protocol
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연구는 무엇을 측정합니까?
주요 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Sensitivity
기간: 24 months
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Sensitivity for PSMA PET, conventional mpMRI, MRI-RSI and combined modalities will be calculated on a prostate segment (n=6) level.
The prostate cancer distribution in targeted biopsy cores will serve as the ground truth, calculated with the ratio of true positives to the total number of segments with the disease (true positives + false negatives).
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24 months
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Absolute GTV volumes
기간: 24 months
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Conventional mpMRI, MRI-RSI and PSMA-PET derived absolute GTV volumes in ml
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24 months
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Specificity
기간: 24 months
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Specificity for PSMA PET, conventional mpMRI, MRI-RSI and combined modalities will be calculated on a prostate segment (n=6) level.
The prostate cancer distribution in targeted biopsy cores will serve as the ground truth, calculated with the ratio of true negatives to the total number of segments without the disease (true negatives + false positives).
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24 months
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ROC-AUC
기간: 24 months
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ROC-AUC for PSMA PET, conventional mpMRI, MRI-RSI and combined modalities on a segment level in comparison with prostate cancer distribution in targeted biopsy cores on a 6 segment level (ground truth).
It will be calculated by integrating the area under the TPR (Sensitivity) vs FPR (1-Specificity) curve
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24 months
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2차 결과 측정
결과 측정 |
측정값 설명 |
기간 |
|---|---|---|
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Dice Sorensen Coefficient (DSC)
기간: 24 months
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The DSC is defined as followed: twice the size of the intersection of two sets, divided by the sum of the sizes of the two sets.
The DSC will be used to compare different GTVs and likewise analyse the geometric overlap and the interobserver variance.
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24 months
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Dose volume histogram parameters in volume (ml) in relation to Gray
기간: 24 months
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Comparison of planning parameters and DVH metrics after PSMA PET and/or MRI-RSI based radiotherapy for target volumes and organs at risk.
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24 months
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Correlation coefficient (Spearman or Pearson)
기간: 24 months
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Quantitative imaging parameters from PSMA-PET, MRI-RSI and mpMRI images will be extracted and cross correlated with the ArteraAI MMAI test score (if available), Prolaris, the Ki-67 staining, the ISUP grade, serum PSA levels and the cTstage
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24 months
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공동 작업자 및 조사자
연구 기록 날짜
연구 주요 날짜
연구 시작 (실제)
기본 완료 (추정된)
연구 완료 (추정된)
연구 등록 날짜
최초 제출
QC 기준을 충족하는 최초 제출
처음 게시됨 (실제)
연구 기록 업데이트
마지막 업데이트 게시됨 (실제)
QC 기준을 충족하는 마지막 업데이트 제출
마지막으로 확인됨
추가 정보
이 연구와 관련된 용어
추가 관련 MeSH 약관
기타 연구 ID 번호
- ΕΕΒΚ/ΕΠ/2025/20
개별 참가자 데이터(IPD) 계획
개별 참가자 데이터(IPD)를 공유할 계획입니까?
약물 및 장치 정보, 연구 문서
미국 FDA 규제 의약품 연구
미국 FDA 규제 기기 제품 연구
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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