KQ-2003 CAR-T cell therapy for relapsed or refractory multiple myeloma

A Phase 1/2a Study to Evaluate the Safety, Tolerability, Preliminary Efficacy, and Pharmacokinetic Characterization of KQ-2003 for Patients With Relapsed/Refractory Multiple Myeloma

Phase1; Phase2 Interventional Novatim Immune Therapeutics (Zhejiang) Co., Ltd. · NCT06223646

This study is testing a new CAR-T cell therapy for people with relapsed or hard-to-treat multiple myeloma to see how safe it is and what the best dose might be.

Quick facts

PhasePhase1; Phase2
Study typeInterventional
Enrollment29 (estimated)
Ages18 Years and up
SexAll
SponsorNovatim Immune Therapeutics (Zhejiang) Co., Ltd. Industry-sponsored
Drugs / interventionsCAR-T, cyclophosphamide, fludarabine, CAR T
Locations1 site (Beijing)
Trial IDNCT06223646 on ClinicalTrials.gov

What this trial studies

This multicenter, open-label study aims to evaluate the safety and tolerability of KQ-2003 CAR T-cell therapy in patients with relapsed or refractory multiple myeloma. It involves a dose-escalation and expansion approach to determine the recommended dose of the therapy. Participants will undergo apheresis to collect peripheral blood mononuclear cells, which will be modified to create the CAR T-cells. The study will monitor pharmacokinetic and pharmacodynamic characteristics to assess the treatment's effectiveness.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older with relapsed or refractory multiple myeloma and an ECOG performance status of 2 or less.

Not a fit: Patients who have received recent treatments that may affect CAR-T cell activity or have active infections may not benefit from this study.

Why it matters

Potential benefit: If successful, this therapy could provide a new treatment option for patients with difficult-to-treat multiple myeloma.

How similar studies have performed: Other studies involving CAR-T cell therapies have shown promising results in treating hematological malignancies, indicating potential success for this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥18 years old, male or female;
* Diagnosis of MM with relapsed or refractory disease;
* Eastern Cooperative Oncology Group (ECOG) Performance ≤2 ;
* Expected survival of at least 12 weeks;
* Participant has measurable disease;
* Adequate venous access for the apheresis of peripheral blood mononuclear cell;
* Adequate organ function;
* Able and willing to comply with the study protocol and follow-up plan, and sign the informed consent form in writing.

Exclusion Criteria:

* Received any treatment that might influence the activity of CAR-T cells prior to the collection of peripheral blood mononuclear cells;
* Have history of vaccination within the 4 weeks preceding the collection of peripheral blood mononuclear cells;
* Have active bleeding or venous thromboembolic events requiring anticoagulation;
* Have tested positive for cytomegalovirus and/or mycobacterium tuberculosis, or had any uncontrolled active infection within 14 days prior to the collection of peripheral blood mononuclear cells;
* Subjects infected with active HBV or HCV, HIV, syphilis;
* Subjects with known central nervous system disease or multiple myeloma involving the central nervous system (CNS) or presenting with CNS-related symptoms;
* Patients currently experiencing active autoimmune diseases;
* Diagnosed with immunodeficiency or receiving any other form of immunosuppressive therapy within 7 days prior to enrollment in this study.
* Have following severe diseases: unstable angina, cerebrovascular accident or transient ischemic attack, myocardial infarction , New York Heart Association (NYHA) Class ≥ III, congestive heart failure, poorly controlled severe arrhythmias or other cardiac diseases requiring mechanical support; subjects with known chronic obstructive pulmonary disease (COPD) with a forced expiratory volume in 1 second (FEV1) \< 50% of predicted normal; subjects with known moderate or severe persistent asthma, or a history of asthma within the past 2 years, or currently having any category of uncontrolled asthma; subjects requiring oxygen to maintain adequate oxygen saturation; subjects with hypertension whose blood pressure cannot be lowered to the following range despite treatment with two or more antihypertensive medications;.
* Subjects with malignancies other than multiple myeloma;
* Have any non-hematologic toxicity resulting from prior treatments that cannot be restored to ≤ grade 1 or baseline, excluding alopecia and grade 2 neuropathy;
* History of alcohol abuse, drug addiction, substance abuse, or mental illness within the past year;
* Presence of acute graft-versus-host disease (GVHD) or extensive chronic GVHD of Grade ≥ 2 requiring treatment within the 4 weeks before enrollment, or as judged by the investigator to likely require anti-GVHD treatment during the study; Subjects who had previously received BCMA-CD19 dual-target CAR-T cell products or autologous stem cell transplantation within 12 weeks before the collection of peripheral blood mononuclear cells;
* Known allergy or hypersensitivity reactions to cyclophosphamide, fludarabine, dimethyl sulfoxide (DMSO), CD19, or BCMA-targeted drugs;
* Subjects had participated in other clinical trials and used its investigational drugs within the 3 months prior to the collection of peripheral blood mononuclear cells
* Pregnant or lactating women
* Any situation that the investigator believes may increase the risk of subjects or interfere with the results of clinical trials

Where this trial is running

Beijing

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Multiple Myeloma
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.