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多民族队列中前列腺癌风险识别：基于美国的多中心Proclarix前瞻性验证研究 (PRIME)

2026年9月23日 更新者：Sequenom, Inc.

在多民族队列中鉴定前列腺癌风险:一项基于美国的前瞻性多中心Proclarix验证研究

The study is a prospective, multi-center, single cohort study involving up to 10 urological clinics in the US. After provision of informed consent, up to 20 mL of whole blood will be collected from each subject. The samples will be blinded and sent to Labcorp for evaluation using the Proclarix® assay. If a prostate biopsy is performed, it will be performed according to standard clinical practice of the urologist (systematic, targeted, or combined biopsy with a transrectal or transperineal approach with or without prior magnetic resonance imaging (MRI)). A minimum of 10 cores is required if a systematic biopsy is performed. Histopathological examination of the biopsy specimen will be performed according to the established local practice. A csPCa is defined as ISUP Grade Group ≥2 detected on biopsy.

研究概览

地位

招聘中

条件

干预/治疗

详细说明

Prostate cancer remains a leading cause of cancer-related morbidity and mortality in men worldwide, with significant disparities in incidence and outcomes across different ethnic groups with black men being affected by prostate cancer earlier, more frequently and with more aggressive disease. Current risk stratification tools often lack the precision needed to effectively assess and predict prostate cancer risk in diverse populations.

Proclarix® is a blood-based test that addresses the problem of prostate cancer (PCa) overdiagnosis by indicating the risk of clinically significant disease. It is comprised of two novel biomarkers, thrombospondin 1 (THBS1) and cathepsin D (CTSD), and is combined with total prostate-specific antigen (tPSA), free PSA (fPSA) and age. A software algorithm returns a risk score that can be used as an aid in the identification of clinically significant PCa (csPCa), defined as International Society of Urological Pathology (ISUP) Grade Group ≥ 2. Proclarix® has been developed and validated on 955 men, in majority of Caucasian background with 90% sensitivity, 43% specificity, 95% negative predictive value (NPV) and 25% positive predictive value (PPV). The validation performance established on German and Austrian patients has been fully confirmed in other European populations: the United Kingdom, Spain, Denmark, Italy and Switzerland.

To be used broadly, confirmation of Proclarix® performance in patients from diverse ethnic backgrounds requires further investigation.

研究类型

观察性的

注册 (估计的)

500

联系人和位置

本节提供了进行研究的人员的详细联系信息，以及有关进行该研究的地点的信息。

学习联系方式

学习地点

  • 美国
    • California
      • San Diego、California、美国、92123
    • Idaho
      • Meridian、Idaho、美国、83642
        • 招聘中
        • Idaho Urologic Institute
        • 接触：
        • 接触：
        • 首席研究员：
          • Joseph Williams, MD
    • Kentucky
      • Bowling Green、Kentucky、美国、42101
    • Maryland
      • Hanover、Maryland、美国、21076
        • 招聘中
        • Chesapeake Urology Associates
        • 首席研究员：
          • Kaiser Robertson, MD
        • 接触：
      • Towson、Maryland、美国、21204
        • 招聘中
        • Chesapeake Urology Associates
        • 首席研究员：
          • Brian Neuman, MD
        • 接触：
    • New York
      • Middletown、New York、美国、10941
    • South Carolina

参与标准

研究人员寻找符合特定描述的人，称为资格标准。这些标准的一些例子是一个人的一般健康状况或先前的治疗。

资格标准

适合学习的年龄

40年 至 75年 (成人、年长者)

接受健康志愿者

不

有资格学习的性别

男性

取样方法

非概率样本

研究人群

Approximately 500 subjects will be enrolled in this study, of which approximately 400 subjects will have a tPSA value of 4-10 ng/mL and 100 subjects will have a tPSA of 2-<4 ng/mL.

描述

Inclusion Criteria:

  1. Subject is male ≥40 and ≤75 years of age at the time of enrollment;
  2. Subject provides a signed and dated informed consent;
  3. Subject has a SOC tPSA of 2-10 ng/mL inclusive within 90 days of the study blood draw;
  4. Subject is presenting to the clinic to discuss a potential prostate biopsy;
  5. Subject agrees to provide all diagnostic test results throughout the study; and
  6. Subject agrees to provide blood for Proclarix® and phi testing at the Screening Visit.

7 Study blood sample will be collected prior to MRI (if conducted) and prior to the biopsy.

Exclusion Criteria

  1. Previous diagnosis of prostate cancer;
  2. Treatment with a medication classified as a 5α-reductase-inhibitor at any time in the 6 months prior to study blood collection;
  3. Acute or chronic urinary tract infection within 3 months of the study blood collection;
  4. Men with an indwelling catheter or intermittent self-catheterization within 30 days of the study blood collection;
  5. Digital Rectal Exam (DRE) or transurethral manipulation (e.g. cystoscopy, catheterization) the same day and prior to the study blood collection;
  6. Men who had an invasive urological procedure for benign prostate hyperplasia/obstruction (e.g. transurethral resection of the prostate (TURP), Holmium Laser Enucleation of the Prostate (HoLEP), Thulium laser enucleation of the prostate (ThuLEP), aquablation, prostatic artery embolization, Rezum, laser vaporization, etc.) or biopsy of the prostate within 6 months prior to the study blood collection;
  7. Subject is not able to read or comprehend the informed consent form;
  8. Previous enrollment in this protocol with valid biopsy results; or
  9. Men who had an MRI of the prostate within 90 days prior to the study blood collection.

学习计划

本节提供研究计划的详细信息，包括研究的设计方式和研究的衡量标准。

研究是如何设计的？

设计细节

  • 观测模型：CASE_ONLY
  • 时间观点：PROSPECTIVE

队列和干预

团体/队列
干预/治疗
Prostate cancer suspected

Subjects with an elevated PSA (2-10) planning to undergo prostate biopsy
诊断测试：Proclarix

Proclarix® is a blood-based test that addresses the problem of prostate cancer (PCa) overdiagnosis by indicating the risk of clinically significant disease. It is comprised of two novel biomarkers, thrombospondin 1 (THBS1) and cathepsin D (CTSD), and is combined with total prostate-specific antigen (tPSA), free PSA (fPSA) and age.

研究衡量的是什么？

主要结果指标

结果测量
措施说明
大体时间
Assess the clinical performance of Proclarix® in a United States (US) cohort when compared to the biopsy results.
大体时间：From enrollment to the collection of prostate biopsy results at 90 days

Evaluate Proclarix®'s clinical performance, specifically NPV to predict the absence of csPCa on prostate biopsy.
From enrollment to the collection of prostate biopsy results at 90 days

次要结果测量

结果测量
措施说明
大体时间
Evaluate Proclarix's clinical ability to correlate with and add to the results of other diagnostic tests performed as standard of care (i.e., MRI, ultrasound, etc.)
大体时间：From enrollment to collection of biopsy results at 90 days

Compare study test results to SOC screening and diagnostic tests.
From enrollment to collection of biopsy results at 90 days
Assess Proclarix®'s clinical performance compared with percent free PSA (%fPSA), the Prostate Health Index (phi), and a risk calculator as proposed by the American Urological Association (AUA) guidelines.
大体时间：From enrollment to collection of biopsy results at 90 days

Compare other validated study endpoints to study test results.
From enrollment to collection of biopsy results at 90 days

合作者和调查者

在这里您可以找到参与这项研究的人员和组织。

赞助

Sequenom, Inc.

合作者

Labcorp Corporation of America Holdings, Inc

调查人员

  • 首席研究员：Neil Shore, MD、Carolina Urologic Research Center

研究记录日期

这些日期跟踪向 ClinicalTrials.gov 提交研究记录和摘要结果的进度。研究记录和报告的结果由国家医学图书馆 (NLM) 审查，以确保它们在发布到公共网站之前符合特定的质量控制标准。

研究主要日期

学习开始 (实际的)

2026年4月3日

初级完成 (估计的)

2027年3月31日

研究完成 (估计的)

2027年3月31日

研究注册日期

首次提交

2026年4月14日

首先提交符合 QC 标准的

2026年4月14日

首次发布 (实际的)

2026年4月22日

研究记录更新

最后更新发布 (实际的)

2026年9月28日

上次提交的符合 QC 标准的更新

2026年9月23日

最后验证

2026年9月1日

更多信息

与本研究相关的术语

关键字

其他相关的 MeSH 术语

其他研究编号

  • SQNM-PRO-401

计划个人参与者数据 (IPD)

计划共享个人参与者数据 (IPD)？

不

药物和器械信息、研究文件

研究美国 FDA 监管的药品

不

研究美国 FDA 监管的设备产品

不

此信息直接从 clinicaltrials.gov 网站检索，没有任何更改。如果您有任何更改、删除或更新研究详细信息的请求，请联系 register@clinicaltrials.gov. clinicaltrials.gov 上实施更改，我们的网站上也会自动更新.

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