New combo tackles Hard-to-Treat myeloma
NCT ID NCT05646836
First seen Jun 27, 2026 · Last updated Aug 12, 2026 · Updated 2 times
Summary
This early-phase study tests a new drug (XmAb24306) combined with another drug (cevostamab) in people with multiple myeloma that has come back or stopped responding to at least three prior treatments. The main goal is to check safety and find the right dose. About 90 participants will take part, and researchers will also monitor how well the drugs work against the cancer.
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
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 90 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2023
- Expected to finish
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Nov 2026
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1 * Life expectancy of at least 12 weeks * Participants must have received a minimum of 3 prior lines of therapy, including at least one PI, one IMiD, and an anti-CD38 monoclonal antibody. * Documented evidence of progressive disease on or after the last prior therapy, or participants who were intolerant to the last prior therapy. * Measurable disease, as defined by the protocol * Participants agree to follow contraception or abstinence requirements as defined in the protocol Exclusion Criteria: * Any anti-cancer therapy within 3 weeks prior to initiation of study treatment with exception defined by the protocol * Participants with autologous stem cell transplantation (SCT) within 100 days prior to first dose of study treatment * Participants with prior allogeneic SCT or solid organ transplantation * Known history of hemophagocytic lymphohistiocytosis (HLH) or macrophage activation syndrome (MAS) * Active or history of autoimmune disease * Participants with current or history of Central Nervous System (CNS) disease, or current CNS involvement by Multiple Myeloma (MM) * Significant cardiovascular disease * Participants with known clinically significant liver disease * Symptomatic active pulmonary disease requiring supplemental oxygen * Known active infection requiring intravenous anti-microbial therapy within 14 days prior to first study drug administration * Any episode of active, symptomatic COVID-19 infection, or requiring treatment with IV antivirals for COVID-19 (not including COVID-19 primary prophylaxis) within 14 days, prior to first study treatment * Other protocol defined inclusion/exclusion criteria may 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.
Contacts and locations
Locations
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Alfred Hospital
Melbourne, Victoria, 3004, Australia
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Asan Medical Center - PPDS
Seoul, 05505, South Korea
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Clinica Universidad de Navarra
Pamplona, Navarre, 31008, Spain
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Evangelismos General Hospital of Athens
Athens, 106 76, Greece
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Hospital Universitari i Politecnic La Fe de Valencia
Valencia, 46026, Spain
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Oslo University Hospital Rikshospitalet
Oslo, N - 0424, Norway
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Peter Maccallum Cancer Centre
Melbourne, Victoria, 3000, Australia
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Rabin Medical Center-Beilinson Campus
Petah Tikva, 4941492, Israel
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Royal Adelaide Hospital
Adelaide, South Australia, 5000, Australia
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Severance Hospital, Yonsei University
Seoul, 03722, South Korea
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Sygehus Lillebaelt - Vejle Sygehus
Vejle, 7100, Denmark
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Tel Aviv Sourasky Medical Center PPDS
Tel Aviv, 64239, Israel
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University of Athens, Hematological Clinic,
Athens, 115 28, Greece
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Cheap blood count ratios eyed as window into Myeloma's inflammatory grip
- Can a t-cell engager rescue myeloma that outsmarted CAR-T?
- Can myeloma treatment work without steroids?
- Double-Drug attack on Hard-to-Treat lymphomas
- Banking blood and bone marrow to decode plasma cell disorders
- Which scan sees hidden myeloma better: PET or MRI?