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Blood test may help match cancer patients to best drugs

NCT ID NCT07555600

Knowledge-focused Sponsor: Centre Leon Berard 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 This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at whether a blood test can predict how well certain cancer drugs (PARP inhibitors) work in people with advanced breast, prostate, ovarian, or pancreatic cancer. Researchers will collect blood and tumor samples from 300 adults to analyze cancer cells and their DNA repair abilities. The goal is to see if these tests can help doctors choose the most effective treatment for each patient.

What this could mean

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

Active substance
blood sampling and tumor sampling
What this could lead to
If successful, this could lead to a simple blood test that helps doctors choose the right treatment for patients with advanced cancers.
What could go wrong
This is an early, proof-of-concept study with no treatment being tested. The blood test may not reliably predict treatment response, and results may not apply to all patients.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 300 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

May 2026

An estimate. Start dates often move.

Expected to finish

May 2028

An estimate. End dates often move.

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.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Male or female patients ≥ 18 years at the day of signing informed consent. * Advanced/metastatic breast, prostate, ovarian and pancreatic cancer patients potentially eligible to PARP inhibitor treatment as monotherapy or in combination as per respective SmPC (see Appendix 1) or IB if the PARPi treatment is investigational. * Patients who have understood, dated, and signed the written voluntary informed consent form before undergoing any procedure specific to the protocol. * Patients affiliated with or benefiting from medical insurance. Exclusion Criteria: * Patients with secondary malignancy with the exception of basal or squamous cell carcinoma of the skin, in-situ carcinoma of the cervix, localized prostate cancer, prior malignancy and no evidence of recurrence for ≥ 2 years. * Patients presenting a psychological, familial, geographical, or social situation that, in the investigator's judgment, could potentially prevent the signing of informed consent and/or compliance with study procedures. * Pregnant or breast-feeding women. * Patients under judicial protection (guardianship, curatorship, or legal safeguard), adults under protection in accordance with Articles L.1121-6, L.1121-8, and L.1121-8-1 of the French Public Health Code, as well asindividuals not affiliated with a social security scheme or without equivalent health coverage.

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm malignant pancreatic neoplasm metastatic prostate carcinoma ovarian cancer pancreatic neoplasm prostate cancer

As listed by the trial registrant

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

Breast cancer Ovarian cancer Pancreatic cancer Prostate cancer

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

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