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NCT Number: NCT07046260

Prospective Study to Assess a Diagnostic Aid for Cancer

The primary objective of this study is to establish the performance of two blood-based diagnostic aid test for cancer detection in individuals presenting with symptoms, signs, or findings suggestive of cancer.

Recruiting

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Key information

Age range

45 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Southern California Research Center, Coronado, California, United States

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About this study

Subjects 45 years of age and older presenting with symptoms, signs, and/or findings suggestive of one or more cancers originating from protocol-specified sites will be enrolled. Subjects will complete a blood draw for analysis by the investigational diagnostic aid test. For subjects with suspected cancer at enrollment, clinical outcomes will be determined following completion of a standard-of-care diagnostic work-up as clinically indicated. Subjects with a confirmed cancer diagnosis at enrollment must be treatment-naïve and will have diagnosis details collected at the time of enrollment. The results of the investigational diagnostic aid test will not be provided to investigators, treating clinicians, or subjects. Personnel performing clinical evaluations, determining final diagnoses, or reviewing diagnostic imaging and pathology reports will remain blinded to the results of the investigational test. All testing and associated analyses will be conducted in a blinded fashion, and test results will not inform clinical decision-making.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Subjects aged ≥45 years at the time of informed consent
  • Provided written or electronic informed consent, according to local guidelines, signed and dated by the Subject or by a legal guardian prior to the performance of any study- specific procedures, sampling, or analyses
  • Presentation with symptoms, signs, and/or findings that raise clinical suspicion of one or more of the protocol-specified sites AND
  • undergoing diagnostic work-up to determine if cancer is present, but do not yet have a confirmed cancer diagnosis. Subject must be willing to undergo a standard diagnostic work-up per local SoC to establish clinical truth regarding the presence or absence of cancer OR
  • have a confirmed diagnosis of cancer, determined within 90 days prior to signing the Informed Consent Form, based on standard diagnostic procedures (histopathology, imaging, etc.) following presentation with symptoms, signs, and/or findings that raised a clinical suspicion of one or more cancers originating from the protocol-specified sites. Must be treatment-naïve for the diagnosed cancer at the time of enrollment.

Exclusion criteria

  • History of any prior invasive or hematological malignancy (Individuals with completely resected ductal carcinoma in-situ or completely resected non-melanoma skin cancer are permitted)
  • Subject is suffering from any febrile illness defined as a temperature >101.5°F within 48 hours prior to blood draw
  • Subject is pregnant (Self-reported)
  • Subject is a recipient of an organ transplant, blood transfusion within 120 days, or prior non-autologous (allogeneic) bone marrow or stem cell transplant (Subject with a corneal transplant can be considered for study entry)
  • Inability or unwillingness to comply with study procedures or follow-up requirement
  • Previous or current participation in any study sponsored by, or employment with, Harbinger Health
  • Participation in a clinical research study sponsored by an external organization which may interfere with study procedures or outcomes
  • Subject has any condition that in the opinion of the Investigator should preclude participation in the study

Treatment and study plan

Blood Sample Collection

Other

The study will collect up to 40 mL of whole peripheral blood in Streck Cell-Free DNA BCT® tubes from each participant.

Other names: Diagnostic Aid Test

Primary outcomes

  1. Performance of two diagnostic aid tests among individuals presenting with symptoms, signs and/or clinical findings suggestive of one or more cancers originating from the protocol-specified sites: a multi-cancer (MC) and gastrointestinal-focused (GI) test

    Time frame: 18 months

    • Predictive value of the Harbinger multi-cancer (MC) test by each readout category.
    • Predictive value of the Harbinger GI test by each readout category.

Secondary outcomes

  1. Quantify test readout distribution, likelihood ratio, and marginal classification distribution of each Harbinger test

    Time frame: 18 months

    • Establish for each Harbinger test the classification distributions for non-cancer individuals, and for cancer cases overall and by early-stage (I and II) and late-stage (III and IV) and further by cancer type.
    • Establish for each Harbinger test the likelihood ratio for each readout category, overall, by cancer stage and further by cancer type.
    • Establish for each Harbinger test the classification category frequency distribution.
  2. Establish cancer incidence in this intended use population

    Time frame: 18 months

    -Establish the cancer incidence, overall and by early-stage (I and II) and late-stage (III and IV) and further by cancer type.

Study contacts

Contact information is provided by the study sponsor or research team.

Nate Ruffle-Deignan

CONTACT

[email protected]

Sara Bardwell

CONTACT

[email protected]

(617) 446-9266

Sponsors and collaborators

Lead sponsor

Harbinger Health

Industry

Registry information

Official study title

Prospective Cohort Study With Case Enrichment to Assess a Diagnostic Aid for Cancer in Symptomatic Subjects (PROCARES)

Acronym: PROCARES

Important dates

Study start
2025
Primary completion
2026
Study completion
2026
First posted
Jul 1, 2025
Registry last updated
Mar 11, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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