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Prostate Lung Colorectal and Ovarian (PLCO) Cancer Screening Trial

NCT ID: NCT00339495

Last Updated: 2025-12-26

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Total Enrollment

154900 participants

Study Classification

OBSERVATIONAL

Study Start Date

1998-05-01

Study Completion Date

2025-12-31

Brief Summary

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The Division of Cancer Preventionl (DCP, formerly DCPC), under extramural contracts to 10 U.S. clinical centers, is evaluating the effectiveness of screening for prostate, lung, colorectal and ovarian cancer (The PLCO Trial). In 1996 the NCI Executive Committee approved the expansion of the PLCO Trial to collect additional materials and to conduct additional studies. About, 74,000 men and 74,000 women, aged 55-74 years, have been randomized on a 50/50 basis into screening or usual care arms. Additional blood is collected from screened subjects and saliva for buccal cells from control subjects. Pathologic tissues are obtained for selected cases that develop cancer or selected related diseases (e.g. colon polyps, benign prostatic hyperplasia). Additional questionnaire-based risk and disease-related information is also collected, withconfirmation of disease status from medical records. Genetic, biochemical and questionnairebasedrisk information will be related to the development of cancer and other diseases in this population. Volunteers who provide samples for these studies will not routinely receive their individual results from the Additional Investigation. Subjects requesting such information, however, will be provided their test results. In 2009 the NCI Executive Committee approved the Extended Follow-up of subjects beyond the original 13-year follow-up period. Participants will be reconsented for the release of records to a single NCI-Designated Central Data Collection Center (CDCC), which will administer the annual mailings containing the annual study update questionnaire and a brief (1-2 page) risk factor questionnaire. Individuals who do not consent to release their identifiers to the CDCC will be followed up passively through linkage to state cancer registries and the National Death Index.

This protocol Review Application is for (1) the collaboration of intramural scientists in the Division of Cancer Epidemiology and Genetics (DCEG) in the Additional Studies and (2) the coordination, in collaboration with DCP, of the Extended Follow-up.

Detailed Description

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The Division of Cancer Preventionl (DCP, formerly DCPC), under extramural contracts to 10 U.S. clinical centers, is evaluating the effectiveness of screening for prostate, lung, colorectal and ovarian cancer (The PLCO Trial). In 1996 the NCI Executive Committee approved the expansion of the PLCO Trial to collect additional materials and to conduct additional studies. About, 74,000 men and 74,000 women, aged 55-74 years, have been randomized on a 50/50 basis into screening or usual care arms. Additional blood is collected from screened subjects and saliva for buccal cells from control subjects. Pathologic tissues are obtained for selected cases that develop cancer or selected related diseases (e.g. colon polyps, benign prostatic hyperplasia). Additional questionnaire-based risk and disease-related information is also collected, with confirmation of disease status from medical records. Genetic, biochemical and questionnaire-based risk information will be related to the development of cancer and other diseases in this population. Volunteers who provide samples for these studies will not routinely receive their individual results from the Additional Investigation. Subjects requesting such information, however, will be provided their test results. In 2009 the NCI Executive Committee approved the Extended Follow-up of subjects beyond the original 13-year follow-up period. Participants will be reconsented for the release of records to a single NCI-Designated Central Data Collection Center (CDCC), which will administer the annual mailings containing the annual study update questionnaire and a brief (1-2 page) risk factor questionnaire. Individuals who do not consent to release their identifiers to the CDCC will be followed up passively through linkage to state cancer registries and the National Death Index.

This protocol Review Application is for (1) the collaboration of intramural scientists in the Division of Cancer Epidemiology and Genetics (DCEG) in the Additional Studies and (2) the coordination, in collaboration with DCP, of the Extended Follow-up.

Conditions

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Cancer Death

Keywords

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Prostate Screening Trial Ovarian Lung Colorectal

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Non-Screening

Participants received their usual care

No interventions assigned to this group

Screening

Participants received trial-provided screening examinations for prostate, lung, colorectal, and ovarian cancer

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

Men and women aged 55-74 years who do not have a prior history of PLCO tumors and have not undergone routine screening.
Minimum Eligible Age

55 Years

Maximum Eligible Age

74 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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National Cancer Institute (NCI)

NIH

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Steven C Moore, Ph.D.

Role: PRINCIPAL_INVESTIGATOR

National Cancer Institute (NCI)

Locations

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Westat, Inc.

Rockville, Maryland, United States

Site Status

Countries

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United States

References

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Kunzmann AT, Coleman HG, Huang WY, Berndt SI. The association of lifetime alcohol use with mortality and cancer risk in older adults: A cohort study. PLoS Med. 2018 Jun 19;15(6):e1002585. doi: 10.1371/journal.pmed.1002585. eCollection 2018 Jun.

Reference Type DERIVED
PMID: 29920516 (View on PubMed)

Makkar R, Butt J, Huang WY, McGlynn KA, Koshiol J, Pawlita M, Waterboer T, Freedman ND, Murphy G. Seropositivity for Helicobacter pylori and hepatobiliary cancers in the PLCO study. Br J Cancer. 2020 Sep;123(6):909-911. doi: 10.1038/s41416-020-0961-0. Epub 2020 Jun 29.

Reference Type DERIVED
PMID: 32595210 (View on PubMed)

Malcomson FC, Shams-White MM, Reedy J, Huang WY, Moore SC, Loftfield E. Adherence to the 2018 World Cancer Research Fund/American Institute for Cancer Research Cancer Prevention Recommendations and risk of lifestyle-related cancers in the prostate, lung, colorectal, and ovarian cancer screening trial. BJC Rep. 2025 Nov 19;3(1):81. doi: 10.1038/s44276-025-00195-6.

Reference Type DERIVED
PMID: 41261199 (View on PubMed)

Wei W, Wang S, Yuan Z, Ren Y, Wu J, Gao X, Wang R, Li J. Plant-based diets and the risk of lung cancer: a large prospective cohort study. Eur J Nutr. 2025 Feb 1;64(2):73. doi: 10.1007/s00394-024-03570-0.

Reference Type DERIVED
PMID: 39891747 (View on PubMed)

Jiang Y, Xie Q, Chen R. Breast Cancer Incidence and Mortality in Relation to Hormone Replacement Therapy Use Among Postmenopausal Women: Results From a Prospective Cohort Study. Clin Breast Cancer. 2022 Feb;22(2):e206-e213. doi: 10.1016/j.clbc.2021.06.010. Epub 2021 Jun 26.

Reference Type DERIVED
PMID: 34548240 (View on PubMed)

Wang K, Wu Q, Li Z, Reger MK, Xiong Y, Zhong G, Li Q, Zhang X, Li H, Foukakis T, Xiang T, Zhang J, Ren G. Vitamin K intake and breast cancer incidence and death: results from a prospective cohort study. Clin Nutr. 2021 May;40(5):3370-3378. doi: 10.1016/j.clnu.2020.11.009. Epub 2020 Nov 16.

Reference Type DERIVED
PMID: 33277073 (View on PubMed)

Playdon MC, Ziegler RG, Sampson JN, Stolzenberg-Solomon R, Thompson HJ, Irwin ML, Mayne ST, Hoover RN, Moore SC. Nutritional metabolomics and breast cancer risk in a prospective study. Am J Clin Nutr. 2017 Aug;106(2):637-649. doi: 10.3945/ajcn.116.150912. Epub 2017 Jun 28.

Reference Type DERIVED
PMID: 28659298 (View on PubMed)

Piper MR, Freedman DM, Robien K, Kopp W, Rager H, Horst RL, Stolzenberg-Solomon RZ. Vitamin D-binding protein and pancreatic cancer: a nested case-control study. Am J Clin Nutr. 2015 Jun;101(6):1206-15. doi: 10.3945/ajcn.114.096016. Epub 2015 Apr 22.

Reference Type DERIVED
PMID: 25904602 (View on PubMed)

Other Identifiers

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OH97-C-N041

Identifier Type: -

Identifier Source: secondary_id

999997041

Identifier Type: -

Identifier Source: org_study_id