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New combo therapy aims to tackle Hard-to-Treat myeloma

NCT ID NCT07455851

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 11, 2026 · Updated 6 times

Summary

This early-phase study tests a new experimental drug, REGN17372, combined with another drug called linvoseltamab in people with relapsed or refractory multiple myeloma (cancer that has returned or stopped responding to treatment). The main goals are to check safety, find the best dose, and see if the combination shrinks tumors better than linvoseltamab alone. About 150 participants will take part, and the study is currently recruiting.

What this could mean

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

Active substance
REGN17372 (an experimental bispecific antibody) combined with linvoseltamab (another bispecific antibody)
What this could lead to
If successful, this combination could offer a new treatment option for people with multiple myeloma that has stopped responding to other therapies.
What could go wrong
This is a very early (first-in-human) trial, so safety and effectiveness are not yet known. Side effects may occur, and the combination may not work better than existing treatments.

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

Phase 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 150 people

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

Started

Mar 2026

Expected to finish

Sep 2033

An estimate. End dates often move.

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

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.

Key Inclusion Criteria: 1. Participants with RRMM who have exhausted (or are not a candidate for) all therapeutic options that are expected to provide meaningful clinical benefit and have received at least 3 lines of therapy as defined in the protocol 2. ECOG performance status score ≤1 3. Participants must have measurable disease for response assessment as described in the protocol 4. Adequate hematologic, cardiac, hepatic, and renal function, as described in the protocol Key Exclusion Criteria: 1. Participants with non-secretory MM, active plasma cell leukemia, known amyloidosis, Waldenström macroglobulinemia, or known POEMS syndrome as defined in the protocol 2. Participants who have known MM brain lesions or CNS involvement 3. Participants with a history of PML, a neurocognitive condition or CNS movement disorder, or a history of seizure within 12 months prior to entering screening 4. Prior treatment with GPRC5D-directed immunotherapies (phase 1 and phase 2) and/or prior treatment with a BCMAxCD3 bispecific antibody (phase 2) Note: Other protocol defined inclusion/exclusion criteria apply

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

How to take part

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

  1. The places running it

    8 sites in 2 countries. 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

    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.

Contacts and locations

Locations

  • Alexandra Hospital

    RECRUITING

    Athens, Attica, 11528, Greece

  • Alfred Hospital

    RECRUITING

    Melbourne, Victoria, 3004, Australia

  • Evangelismos General Hospital

    RECRUITING

    Athens, Attica, 10676, Greece

  • Illawarra Cancer care centre, Wollongong Hospital

    RECRUITING

    Wollongong, New South Wales, 2500, Australia

  • Peter MacCallum Cancer Centre

    RECRUITING

    Melbourne, Victoria, 3000, Australia

  • Prince of Wales Hospital

    RECRUITING

    Randwick, New South Wales, 2031, Australia

  • Royal Adelaide Hospital

    RECRUITING

    Adelaide, South Australia, 5000, Australia

  • St Vincents Hospital Melbourne

    RECRUITING

    Fitzroy, Victoria, 3065, Australia

More trials for these conditions

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