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Scientists probe why interferon works for some blood cancer patients but not others

NCT ID NCT05850273

Knowledge-focused Sponsor: Institut National de la Santé Et de la Recherche Médicale, France Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 aims to understand exactly how the drug interferon attacks cancer stem cells in people with myeloproliferative neoplasms (MPNs), a group of blood cancers. Researchers will analyze blood samples from 80 adults to see why some patients respond well while others do not. The goal is to improve treatment and predict who will benefit most from interferon therapy.

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

About 80 people

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

Started

Mar 2023

Expected to finish

Mar 2033

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

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

Who is studied

The studied population will be all men and women of legal age who were not vulnerable and whose diagnosis of MPN had been previously established by the referring physician. They are therefore voluntary patients of legal age who are not vulnerable and who suffer from PV, ET or MF. The selection of patients is according to the availability of the caregivers for this study but with a preference for this second study towards CALRm patients (rarer) rather than JAK2V617F. Our wish is to integrate a maximum of 50 patients (10/year) knowing that the limitation is the capacity (personnel and finance) of our INSERM laboratory to study this high number of patients.

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: 1. Adult male or female 18 years of age or older 2. Diagnosis of MPN has been previously established by the referring physician and that physician will have decided to treat with pegylated IFN. Patients will be treated or untreated at the time of inclusion and may be newly diagnosed patients. 3. These patients will be affiliated with or benefit from a social security plan 4. For all these patients an additional 20-40 mL will be collected except for some PV patients who are treated conventionally by phlebotomy. In this case, we will collect blood bags from these patients. The volumes vary between 300 and 450 mL of blood depending on the weight and size of the patients. 5. We will also include in this protocol any patient whose MPN, either PV, TE or MF, will have progressed to acute leukemia (AL) during treatment. These will be patients with AP of MPN (MPN can also progress to acute myeloid leukemia (AML) by acute transformation (AT) of MPN). 6. Patient with signed informed consent Exclusion Criteria: 1. The non-inclusion criterion concerns the anemia that some MF patients may suffer from. Therefore, patients with anemia (Hb\<10g) or transfusion dependency (≥ 1 packed red blood cell per month) at the time of the referral monitoring visit are not included in the research. 2. Persons under court protection, guardianship or curatorship

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Conditions

The condition(s) this trial relates to.

acquired polycythemia vera acute myeloid leukemia essential thrombocythemia Myeloproliferative Disorders myeloproliferative neoplasm primary myelofibrosis

As listed by the trial registrant

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

Myeloproliferative neoplasm

How to take part

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

  1. The places running it

    1 site. The list below names each one and where it is.

  2. 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 ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Inserm U1287

    RECRUITING

    Villejuif, Île-de-France Region, 94805, France

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