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New drug SHR-5421 takes on Hard-to-Treat multiple myeloma
NCT ID NCT07652281
First seen Jun 24, 2026 · Last updated Jul 31, 2026 · Updated 3 times
Summary
This early-phase trial is testing a new drug, SHR-5421, in about 97 people with multiple myeloma that has come back or stopped responding to treatment. The main goal is to find a safe dose and check for side effects. Researchers will also look at how the drug moves through the body and whether it shows any signs of shrinking the cancer.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- SHR-5421
- What this could lead to
- If this works, it could point toward 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 Phase 1 trial with only 97 people. It is designed mainly to check safety and find the right dose, not to prove the drug works. Many drugs fail at this stage.
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 97 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2026
- Expected to finish
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Apr 2029
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: 1. Age ≥ 18 years, male or female. 2. Expected survival ≥ 3 months. 3. ECOG performance status 0 or 1. 4. Diagnosed with active multiple myeloma per IMWG criteria. 5. Relapsed or refractory multiple myeloma and refractory to the most recent line of therapy. 6. Disease progression or non-response to the most recent therapy. 7. Measurable disease as defined by serum/urine M-protein or serum free light chain. 8. Adequate bone marrow, hepatic, renal, and coagulation function. 9. Female participants of childbearing potential and male participants with partners of childbearing potential must agree to use effective contraception. 10. Willing and able to provide written informed consent and comply with study procedures. Exclusion Criteria: 1. Diagnosis of amyloidosis, plasma cell leukemia, Waldenström's macroglobulinemia, or POEMS syndrome. 2. Central nervous system involvement by tumor. 3. History of ≥ Grade 3 CRS with prior T-cell redirecting therapy. 4. Requirement for dialysis or plasmapheresis within 14 days prior to study drug. 5. Prior treatment-related AEs not recovered to ≤ Grade 1 (except alopecia, peripheral neuropathy, or controlled endocrinopathies). 6. Concurrent participation in another clinical study. 7. Prior anti-tumor therapy within specified washout periods. 8. Major surgery within 28 days prior to informed consent or planned during the study. 9. Live attenuated vaccine within 4 weeks prior to first dose or planned during the study. 10. Significant comorbidity that in the investigator's judgment would interfere with study participation or safety. 11. Active autoimmune disease (except controlled type I diabetes, hypothyroidism, or vitiligo). 12. Active infection. 13. Known hypersensitivity or contraindication to SHR-5421.
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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.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Peking University People's Hospital
RECRUITINGBeijing, Beijing Municipality, 100044, China
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Bispecific antibody combo aims to deepen myeloma responses
- Can a stronger drug cocktail give older myeloma patients a better start?
- 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