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Could a simple blood test replace prostate biopsy?

NCT ID NCT04702633

Diagnosis Sponsor: Assistance Publique - Hôpitaux de Paris Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study explored whether prostate cancer cells can be detected in blood samples instead of using a needle biopsy. Researchers collected blood from 127 men with suspected prostate cancer and used a special filter to isolate tumor cells. The goal was to see if this non-invasive method could accurately identify cancer before a biopsy is performed.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could lead to a simple blood test to help diagnose prostate cancer, potentially reducing the need for invasive biopsies.
What could go wrong
This is an early-stage study focused on feasibility, not a proven diagnostic tool. The method may not be accurate enough to replace standard biopsy.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Participants

127 people

The number who actually took part.

Started

Mar 2021

Finished

May 2022

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

Patients consulting the urology department of Cochin Hospital with an indication for prostate biopsy or as part of the monitoring of prostate cancer may be included.

Ages

Children (under 18), adults (18 to 64) and older adults (65 and over)

Sex

Male participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Patients with a diagnosis of localized or metastatic prostate cancer. * No prior or other oncological treatment. * Patients undergoing prostate biopsy in the context of prostate cancer diagnosis. * Patients with an elevation of PSA (Prostate Specific Antigen), an abnormality on the rectal examination and / or an MRI signal motivating a prostate biopsy, * Patients informed and not opposed to participating in the research Exclusion Criteria: * Patients not affiliated with French social security. * Patients unable to understand the protocol. * Patients diagnosed with another type of cancer within the past 5 years. * Patients prostatectomized and/or treated for prostate cancer. * Patients who wear a bladder catheter * Patients under guardianship or curatorship * Patients under AME

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Conditions

The condition(s) this trial relates to.

prostate cancer

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Prostate cancer

Contacts and locations

Locations

  • Cochin Hospital

    Paris, 75014, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.