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Dasatinib and Quercetin With CAR-T Therapy for the Treatment of Patients With Relapsed or Refractory Multiple Myeloma

  • PhasePhase 2
  • StatusRecruiting
  • Planned enrollment44 people
  • Recruiting US sites1
  • SponsorMayo Clinic
  • RegistryNCT06940297

Recruitment re-checked on ClinicalTrials.gov Oct 30, 2026. Public record; not medical advice.

Dasatinib and Quercetin With CAR-T Therapy for the Treatment of Patients With Relapsed or Refractory Multiple Myeloma: a one-minute explainerNCT069402971 min

Eligibility

Who can join

The film gives the main points. The full list below is copied from the registry; the study team makes the final decision.

  • Age18 Years to no maximum
  • SexAll
  • Healthy volunteersNo

You may be able to join if

  • Age ≥ 18 years
  • Relapsed or refractory multiple myeloma who has had at least 3 prior lines of therapies including a proteasome inhibitor, immunomodulatory drug (IMiD) and anti-CD38 monoclonal antibody (mAb)
  • Ciltacabtagene autoleucel (Carvykti) available for patient
  • Eastern Cooperative Oncology Group (ECOG) performance status (PS) 0, 1 or 2
  • Life expectancy ≥ 12 weeks
  • Hemoglobin ≥ 8.0 g/dL (obtained ≤ 14 days prior to registration)
  • Absolute neutrophil count (ANC) ≥ 1,000/mm^3 (obtained ≤ 14 days prior to registration)
  • Platelet count ≥ 50,000/mm^3 (obtained ≤ 14 days prior to registration)
  • Total bilirubin ≤ 1.5 x upper limit of normal (ULN) (obtained ≤ 14 days prior to registration)
  • Note: Patients with Gilbert's syndrome must have a total bilirubin of ≤ 3 x ULN (obtained ≤ 14 days prior to registration)
  • Alanine aminotransferase (ALT) and aspartate transaminase (AST) ≤ 2 x ULN (obtained ≤ 14 days prior to registration)
  • Alkaline phosphatase ≤ 1.5 x ULN (obtained ≤ 14 days prior to registration)
  • Calculated creatinine clearance ≥ 30 ml/min using the Cockcroft-Gault formula (obtained ≤ 14 days prior to registration)
  • Negative pregnancy test done ≤ 7 days prior to registration, for persons of childbearing potential only
  • Note: If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required
  • Sexually active patients and their partners must use an effective method of contraception associated with a low failure rate prior to study entry and for the duration of study participation and for at least 30 days after the last dose of study drug
  • Provide written informed consent
  • Willingness to provide mandatory blood and bone marrow specimens for correlative research
  • Willingness to provide mandatory bone marrow cores and/or tissue specimens for correlative research
  • Willing to return to enrolling institution for follow-up (during the Active Monitoring Phase of the study)

You cannot join if

  • Monoclonal gammopathy of undetermined significance, smoldering multiple myeloma, or AL amyloidosis
  • Failure to recover from acute, reversible effects of prior therapy regardless of interval since last treatment.
  • EXCEPTION: Grade 1 peripheral (sensory) neuropathy that has been stable for at least 1 month since completion of prior treatment
  • Any of the following because this study involves an agent that has known genotoxic, mutagenic, and teratogenic effects:
  • Pregnant persons
  • Nursing persons
  • Persons of childbearing potential (and persons able to father a child) who are unwilling to employ adequate contraception
  • Major surgery ≤ 28 days prior to registration
  • Co-morbid systemic illnesses or other severe concurrent disease which, in the judgment of the investigator, would make the patient inappropriate for entry into this study or interfere significantly with the proper assessment of safety and toxicity of the prescribed regimens
  • Immunocompromised patients and patients known to be HIV positive.
  • NOTE: Patients known to be HIV positive, but without clinical evidence of an immunocompromised state, or those currently receiving antiretroviral therapy with good control of HIV, are eligible for this trial
  • Evidence of cardiovascular disease risk, as defined by any of the following:
  • Evidence of current clinically significant uncontrolled arrhythmias, including clinically significant ECG abnormalities such as 2nd degree (Mobitz Type II) or 3rd degree atrioventricular (AV) block
  • History of myocardial infarction, acute coronary syndromes (including unstable angina), coronary angioplasty, or stenting or bypass grafting within three (3) months of screening.
  • Class III or IV heart failure as defined by the New York Heart Association functional classification system
  • Uncontrolled hypertension
  • History of life-threatening ventricular arrhythmias
  • Uncontrolled intercurrent illness including, but not limited to:
  • Ongoing or active infection
  • Any medical condition that would make participation unduly hazardous
  • Receiving any other investigational agent which would be considered as a treatment for the primary neoplasm
  • Live vaccine ≤ 6 weeks prior to registration
  • Has taken a strong inhibitor or inducer of CYP3A4/5, including grapefruit, St. John's Wort or related products ≤ 14 days prior to registration.
  • Note: If required, patients may receive a short course of strong inhibitors or inducers for treatment of symptoms, but dasatinib dose must be adjusted as indicated
  • Known hypersensitivity or allergy to dasatinib or quercetin
  • Patients on therapeutic doses of anticoagulants (e.g. warfarin, heparin, low molecular weight heparin, factor Xa inhibitors, etc).
  • On antiplatelet agents (e.g. full dose aspirin, clopidogrel etc.)
  • NOTE: Baby aspirin, if necessary for cardioprotection, will be allowed
  • On quinolone antibiotic therapy for treatment or for prevention of infections products ≤10 days prior to registration

The treatment

How it is intended to work

This is how the treatment is meant to work. Whether it helps, and how safe it is, is what this trial is testing.

Treatments listed in the registry

  • Biopsy Procedure (Procedure): Undergo tumor biopsy
  • Biospecimen Collection (Procedure): Undergo blood sample collection
  • Bone Marrow Aspiration (Procedure): Undergo bone marrow aspiration
  • Bone Marrow Biopsy (Procedure): Undergo bone marrow biopsy
  • Ciltacabtagene Autoleucel (Biological): Given IV
  • Computed Tomography (Procedure): Undergo CT scan
  • Cyclophosphamide (Drug): Given IV
  • Dasatinib (Drug): Given PO
  • Fludarabine (Drug): Given IV
  • Positron Emission Tomography (Procedure): Undergo PET scan
  • Quercetin (Drug): Given PO

The study

Treatment groups

Na · Single Group · masking: None

Treatment (Dasatinib, quercetin, chemotherapy, CAR-T) (Experimental)

Patients receive dasatinib by mouth (PO) once a day (QD) and quercetin PO twice a day (BID) on days -7 and -6 and cyclophosphamide IV over 60 minutes and fludarabine IV over 30 minutes on days -5 to -3 in the absence of disease progression or unacceptable toxicity. Patients then receive CAR-T IV on day 0. Patients receive dasatinib PO QD and quercetin PO BID on days 28, 29, 58, 59, 88 and 89 in the absence of disease progression or unacceptable toxicity. Patients undergo CT scan and/or PET, tumor biopsy, bone marrow aspirate and biopsy and blood sample collection throughout the study.

What it involves

Procedures

As the registry describes them. Requirements to join, such as a tissue sample, are in the eligibility list above even when on-study procedures are optional. Ask the study team which steps apply to you.

  • biopsy: Part of the study plan
  • bone marrow: Part of the study plan
  • blood samples: Part of the study plan
  • CT scans: Part of the study plan
  • PET scans: Part of the study plan

Goals

What the study measures

Main goals

  • Minimal residual disease (MRD) negativity rate (At 3 months)

Other goals

  • Overall response rate (ORR)
  • Depth of response
  • Progression free survival (PFS)
  • Duration of response
  • Incidence of adverse events (AEs)

Planned enrollment: 44 (estimated).

Where

Recruiting US sites

  • Mayo Clinic in Rochester, Rochester, Minnesota

Site status as of Oct 30, 2026. Check the live record before contacting a site.

Sources

Where this comes from

Registry record reviewed as fetched Oct 30, 2026, last updated by the sponsor Aug 25, 2026. Public record; not medical advice.

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