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Relapsed/Refractory Multiple MyelomaPhase 1NCT06655519

An Exploratory Study of RD140 Injection in Patients With Relapsed/Refractory Multiple Myeloma or Plasma Cell Leukemia

A Phase 1 study testing CAR-T(RD140 injection) in people with Relapsed/Refractory Multiple Myeloma and Plasma Cell Leukemia, run by Peking University People's Hospital.

Not yet recruiting

Opening soon. The study is approved but enrolment has not started yet. Sites may already take enquiries.

Sites and contacts
Official record
Search all trials

Trial summary

This is a single-center, open clinical study, divided into two phases of dose escalation and dose expansion, to observe the safety and efficacy of RD140 injection at different doses in patients with relapsed/refractory multiple myeloma or plasmacytic leukemia. Read more about this study

Who is it for?
Ages 18 to 75 years
What is being tested?
CAR-T(RD140 injection)
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
12 participants
Where
No sites listed yet
Study dates
25 Oct 2024to 5 Jul 2041
Phase
Phase 1
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Age 18 to 75 years old, male or female;
  • Diagnosed as Multiple Myeloma (MM) according to the international standard for multiple myeloma (IMWG), or diagnosed as primary plasma cell leukemia;
  • Subjects have had at least 3 prior lines of therapy including at least one proteasome inhibitor (PI), one immunomodulatory agent (IMiD), and one anti-CD38 monoclonal antibody, or subjects who were refractory to the above treatments.
  • Disease progression must be documented during or within 12 months following the most recent anti-tumor treatment (the progression for subjects whose last line treatment was CAR-T therapy was not limited to 12 months post-treatment);
  • Presence of measurable lesion at screening as determined by any of the following criteria for subjects with MM:
  • Serum M protein level: IgG type M protein ≥ 10 g/L, or IgA, IgD, IgE, IgM type M protein ≥ 5 g/L;
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  • Urine M protein level ≥ 200 mg/24h;
  • Light chain multiple myeloma without measurable M protein in serum or urine: Involved serum free light chain (sFLC) ≥ 100 mg/L and abnormal serum κ/λ free light chain ratio;
  • Serum M- protein, urine M- protein, or involved sFLC not meeting above criteria but bone marrow plasma cell percentage ≥30%;
  • Subjects with primary plasma cell leukemia: peripheral blood plasma cell percentage≥5%at screening;
  • ECOG score of 0 or 1;
  • Estimated life expectancy ≥12 weeks;
  • Subjects must have adequate organ function and meet all of the following laboratory test results prior to enrollment:
  • Blood routine: absolute neutrophil count (ANC) ≥ 1×10^9/L (support with growth factor is allowed, but must not have received support treatment within 7 days before the laboratory test); Absolutely lymphocyte count (ALC) ≥0.3×10^9/L; Platelets ≥50×10^9/L (must not have received platelet transfusion support within 7 days before the laboratory test); Hemoglobin ≥60 g/L(must not have received red blood cell [RBC] transfusion within 7 days before the laboratory test);
  • Liver function: alanine aminotransferase (ALT) and aspartate aminotransferase (AST)≤2.5× Upper limit of normal value (ULN); Serum total bilirubin ≤1.5 ×ULN;
  • Renal function: creatinine clearance (CrCl) calculated by Cockcroft-Gault formula ≥ 40 ml/min;
  • Coagulation function: fibrinogen ≥ 1.0g /L; Activated partial thromboplastin time (aPTT) ≤1.5× ULN, Pro thrombin time (PT) ≤1.5× ULN;
  • Blood oxygen saturation(SaO2) >91%;
  • Left ventricular ejection fraction (LVEF) ≥ 50%;
  • Subjects agree to take effective measures or drug contraceptive measures (excluding safe period contraception) after signing the ICF and within one year after CAR-T cell infusion;
  • Subjects must sign an informed consent approved by the Ethics Committee before starting any screening procedures.

Who cannot join

  • Subjects who are known to have Graft-Versus-host disease (GVHD) or need long-term immunosuppressive therapy;
  • Subjects have received an autologous hematopoietic stem cell transplantation (auto-HSCT) within 12 weeks before leukapheresis or have a previous history of two times of auto-HSCT or previous history of an allogeneic hematopoietic stem cell transplantation (allo-HSCT);
  • Received targeted plasma cell therapy within 3 months before leukapheresis, or previous cell therapy products can still be detected in peripheral blood.
  • Subjects have received any anti-tumor treatment as follows, prior to leukapheresis:
  • Monoclonal antibody for multiple myeloma or plasma cell leukemia within 21 days, or;
  • Cytotoxic chemotherapy or proteasome inhibitors within 14 days, or;
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  • Immunomodulators within 7 days, or;
  • Received other anti-cancer therapy within 14 days or at least 5 half-lives
  • Subjects require long-term use of glucocorticoids (defined as prednisone or equivalent > 20 mg/day) at a therapeutic dose during the study, physiologic replacement, topical, and inhaled steroids are permitted, nevertheless.
  • Subjects with hypertension that cannot be controlled by medication;
  • Sever cardiac disease including but not limited to unstable angina pectoris, myocardial infarction (within 6 months prior to screening), cardiac failure congestive (New York Heart Association [NYHA] class ≥ III), severe arrhythmia;
  • Unstable systemic disease as judged by the investigator: including but not limited to severe liver, renal, or metabolic disease requiring drug therapy ;
  • Subjects has prior history of malignancies, other than MM and plasma cell leukemia within 5 years before screening, with the exception of radical carcinoma in situ of the cervix, basal cell carcinoma or squamous cell carcinoma of skin, localized cancer of prostate after radical prostatectomy, ductal carcinoma in situ of breast after radical mastectomy, or papillary thyroid carcinoma after radical thyroidectomy;
  • Subjects with a history of organ transplantation;
  • Subjects with suspected or known central nervous system (CNS) involvement with myeloma;
  • Subjects with history of major surgery within 2 weeks prior to leukapheresis or planned to have surgery within 2 weeks after study treatment (except for subjects who were planned to have local anesthesia);
  • Treated with other investigational products within 1 month prior to leukapheresis;
  • Subjects have uncontrolled systemic fungal, bacterial, viral or other infection (defined as exhibiting ongoing signs/symptoms related to the infection and without improvement, despite appropriate antimicrobial treatment) or requiring IV antimicrobials for management;
  • Positive hepatitis B surface antigen (HBsAg) or hepatitis B core antibody (HBcAb) with detectable hepatitis B virus (HBV) DNA in peripheral blood; positive hepatitis C virus (HCV) antibody with positive HCV RNA in peripheral blood; positive human immunodeficiency virus (HIV) antibody; positive cytomegalovirus (CMV) DNA; Syphilis toluidine red unheated serum test (TRUST) and treponemal particle agglutination test (TPPA) were positive;
  • Pregnant or breastfeeding women;
  • Subjects have psychiatric disorders, conscious disorders, or central nervous system diseases;
  • Any condition for which, at the discretion of investigators, participation would not be in the best interest of the subject.

Trial locations and contacts

No sites are listed yet. Contact the study team or a site near you to ask about taking part.

About this study

Official title: An Exploratory Study of Fully Human Anti-B-Cell Maturation Antigen (BCMA)/G Protein-coupled Receptor, Class C Group 5 Member (GPRC5D) Chimeric Antigen Receptor T Cells (RD140) in Patients With Relapsed/Refractory Multiple Myeloma or Plasma Cell Leukemia

This is a single-center, open clinical study, divided into two phases of dose escalation and dose expansion, to observe the safety and efficacy of RD140 injection at different doses in patients with relapsed/refractory multiple myeloma or plasmacytic leukemia.

Read the detailed description

This study is divided into two stages: dose escalation and dose extension. The "3+3" dose escalation design was adopted in the dose escalation stage, and three dose escalation dose groups of 1.0×10^5 CART(Chimeric Antigen Receptor T Cell) cells/kg, 3.0×10^5 CART cells/kg and 6.0×10^5 CART cells/kg were preset. Each dose group level included 3-6 subjects with a single dose. The objective is to preliminarily observe the safety and tolerability, pharmacokinetics, pharmacodynamics and immunogenicity of RD140 injection at different doses in patients with relapsed/refractory multiple myeloma (RRMM) or plasma cell leukemia, and provide evidence for dose expansion phase.

In the dose expansion phase, 1 to 2 dose groups were selected for expansion based on the dose escalation phase, and 3 to 6 subjects were included in each extended dose group to further evaluate the safety, efficacy, pharmacokinetics and pharmacodynamics of RD140 injection in the treatment of RRMM or plasma cell leukemia.

Being tested
CAR-T(RD140 injection)
Keywords
Multiple Myeloma, Plasma Cell Leukemia, RD140
Medical subject headings
Multiple Myeloma, Leukemia, Plasma Cell

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • CAR-T(RD140 injection)Biological

    This study is divided into two stages: dose escalation and dose extension. The dose escalation stage sampled the "3+3" dose-escalation design, and set up three dose-increasing dose groups of 1.0×10^5 CART cells/kg, 3.0×10^5 CART cells/kg and 6.0×10^5 CART cells/kg, and subjects will receive a single infusion of RD140. Each dose group level will include 3-6 subjects.

    In the dose expansion stage, 1~2 dose groups were selected for expansion and 3~6 subjects were included in each extended dose group, and the target dose was administered once.

Study groups in NCT06655519
Study groupRoleWhat they receive
RD140 injectionExperimentalsubjects will receive a single infusion of Fully Human Anti-BCMA/GPRC5D Chimeric Antigen Receptor T Cells with does of 1-6×10^5 CAR T cells/kg.
Receives: Biological: CAR-T(RD140 injection)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Adverse Events

    Type and incidence of adverse events (AEs)

    Measured: 2 years after CAR-T cell infusion

Secondary outcomes (15)
  1. Overall response rate (ORR)

    Proportion of subjects who achieved sCR, CR, VGPR, and PR after receiving study therapy

    Measured: Up to 2 years post RD140 infusion

  2. Duration of Response (DOR)

    Time from first response to disease progression or death from any cause

    Measured: Up to 2 years post RD140 infusion

  3. Progression-free Survival (PFS)

    Time from RD140 infusion to first documentation of progressive disease (PD), or death due to any cause, whichever occurs first

    Measured: Up to 2 years post RD140 infusion

  4. Overall Survival (OS)

    Time from RD140 infusion to time of death due to any cause

    Measured: Through study completion,up to 15 years post RD140 infusion

  5. Time to Response (TTR)

    Time from RD140 infusion to first documentation of response

    Measured: Up to 2 years post RD140 infusion

  6. Time to Complete Response (TTCR)

    Time from RD140 infusion to first documentation of Complete Response or better response

    Measured: Up to 2 years post RD140 infusion

  7. Minimal Residual Disease (MRD)

    Proportion of subjects who achieved MRD negative

    Measured: Up to 2 years post RD140 infusion

  8. Duration of MRD negativity

    The time from the first MRD negative to the first MRD negative positive transfer

    Measured: Up to 2 years post RD140 infusion

  9. Pharmacokinetics - Cmax

    The maximum transgene level at Tmax

    Measured: Up to 2 years post RD140 infusion

  10. Pharmacokinetics - Tmax

    Time to peak transgene level

    Measured: Up to 2 years post RD140 infusion

  11. Pharmacokinetics - Area Under the Curve (AUC)

    Area under the curve of 28, 90, 180 days and the last time point of PK detection (AUC0-28d, AUC0-90d, AUC0-180d, AUC0-last)

    Measured: Up to 2 years post RD140 infusion

  12. soluble BCMA levels

    soluble BCMA levels in peripheral blood of subjects

    Measured: Up to 2 years post RD140 infusion

  13. C-reactive protein (CRP)

    Changes in the levels of CRP

    Measured: Up to 3 months post RD140 infusion

  14. Ferritin

    Changes in the levels of Ferritin

    Measured: Up to 3 months post RD140 infusion

  15. Interleukin-6 (IL-6)

    Changes in the levels of IL-6

    Measured: Up to 3 months post RD140 infusion

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted23 Oct 2024
  2. Study start25 Oct 2024 (estimated)
  3. Primary completion5 Jul 2028 (estimated)
  4. Study completion5 Jul 2041 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
12 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT06655519
Sponsor's protocol ID
RD140CI001
Status last verified
Oct 2024
First submitted
17 Oct 2024
Last updated
23 Oct 2024
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

A Phase 1 study testing CAR-T(RD140 injection) in people with Relapsed/Refractory Multiple Myeloma and Plasma Cell Leukemia, run by Peking University People's Hospital.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 21 inclusion and 22 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: opening soon, as of the sponsor's last update on 23 Oct 2024. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

Contact Xuelin Dou (+86-010-86491512 ext. 7003, dxldw@163.com), or a site near the patient. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Adverse Events (time frame: 2 years after CAR-T cell infusion). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 23 Oct 2024.

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