Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT00002540 · ClinicalTrials.gov registry record · NA

Screening for Prostate Cancer in Older Patients (PLCO Screening Trial)

A NA study of Prostate Carcinoma, sponsored by National Cancer Institute (NCI).

Active
Registry status
NA
Development phase
76,685
Enrollment target
1
Study location

NCT00002540: Active NA study of Prostate Carcinoma, sponsored by National Cancer Institute (NCI).

NCT00002540 is a NA study of Prostate Carcinoma that is active but no longer recruiting, run by National Cancer Institute (NCI). The registered enrollment target is 76,685 participants, above the 202-participant average among 59 other Prostate Carcinoma trials with a reported enrollment target (37863% higher). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT00002540, a NA study of Prostate Carcinoma, is active but no longer recruiting, sponsored by National Cancer Institute (NCI).

ACTIVE NOT RECRUITING
Registry status
NA
Development phase
76,685 participants
Enrollment target
1
Study location

Study Summary

This clinical trial studies whether screening methods used to diagnose cancer of the prostate, lung, colon, rectum, or ovaries can reduce deaths from these cancers. Screening tests may help doctors find cancer cells early and plan better treatment for prostate cancer.

Primary Outcome

Prostate cancer deaths confirmed in participants by a death review committee if available, otherwise by death certificate.

Conditions Studied

Interventions

  • OTHER Laboratory Biomarker Analysis
  • OTHER Screening Questionnaire Administration
  • PROCEDURE Medical Examination Assessment

Study Locations (1)

Maryland

  • National Institutes of Health Clinical Center - Bethesda

Trial Details

FieldValue
Enrollment Target 76,685 participants
Start Date 1993-11-16
Est. Completion 2026-03-25
Phase NA
National Cancer Institute (NCI)

3,257 total trials

What the registry record for NCT00002540 still lists

NCT00002540 is an interventional study that assigns participants to a tested intervention. Its 76,685 participants enrollment target places it among the larger protocols in the corpus, above the 202-participant average among 59 other Prostate Carcinoma trials with a reported enrollment target (37863% higher).

The record links to 1 condition, with Prostate Carcinoma appearing as the primary indexed condition, and to 3 interventions - of which Laboratory Biomarker Analysis is the first listed.

NCT00002540 reports a single indexed study location in Maryland.

Frequently Asked Questions

What is clinical trial NCT00002540 about?

NCT00002540 is a clinical study titled "Screening for Prostate Cancer in Older Patients (PLCO Screening Trial)". This clinical trial studies whether screening methods used to diagnose cancer of the prostate, lung, colon, rectum, or ovaries can reduce deaths from these cancers. Screening tests may help doctors find cancer cells early and plan better treatment for prostate cancer.

What is the current status of trial NCT00002540?

This trial is currently active not recruiting. It is a NA study. The enrollment target is 76,685 participants. The study started on 1993-11-16. Estimated completion is 2026-03-25.

What conditions does trial NCT00002540 study?

This clinical trial studies the following conditions: Prostate Carcinoma.

What interventions are being tested in trial NCT00002540?

The interventions under investigation include: Laboratory Biomarker Analysis (OTHER), Screening Questionnaire Administration (OTHER), Medical Examination Assessment (PROCEDURE).

Who is sponsoring clinical trial NCT00002540?

This trial is sponsored by National Cancer Institute (NCI), which has 3,257 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT00002540 being conducted?

This trial has 1 study location across Maryland. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for Prostate Carcinoma

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT00002540's enrollment target sits among peer trials

76,685 1st of 59 higher than 59 of 59 other Prostate Carcinoma trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Prostate Carcinoma trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT02402244 · 75,000 participants

    Project: Every Child for Younger Patients With Cancer

  • NCT02803242 · 75,000 participants

    COPD Patient-Powered Research Network

  • NCT04611568 · 75,000 participants · NA

    War on Melanoma™ Public Health & Education Campaign

  • NCT00063063 · 80,000 participants

    Generic Database of Very Low Birth Weight Infants

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT00002540, the US trial registry maintained by the National Library of Medicine. NCT00002540 (large enrollment · single site footprint · active not recruiting) retrieved and formatted by PlainTrial, see methodology.