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Safety and Efficacy of KSVCBD Injection in Multiple Myeloma Expressing CD19 and/or BCMA

27 maggio 2026 aggiornato da: Han weidong, Chinese PLA General Hospital

A Multicenter Clinical Study on the Safety and Efficacy of KSVCBD Injection in the Treatment of Multiple Myeloma With Positive Expression of CD19 and/or BCMA

KSVCBD injection is an in vivo Chimeric Antigen Receptor T-Cell (CAR-T cell) therapy product. This multicenter, single-arm, open-label, early exploratory clinical study is designed to evaluate the preliminary safety and efficacy of KSVCBD injection in patients with relapsed or refractory (r/r) multiple myeloma(MM) expressing CD19 and/or BCMA.

Panoramica dello studio

Stato

Reclutamento

Condizioni

Intervento / Trattamento

Descrizione dettagliata

A structurally modified, third-generation, self-inactivating lentiviral vector was used in KSVCBD injection. This modified vector exhibits reduced immunogenicity and enables efficient T-cell targeting, thereby facilitating the in vivo generation of CD19/BCMA CAR T cells from endogenous T cells. Simultaneously targeting BCMA to eliminate plasma cells producing anti-lentivirus and anti-CD19 scFv antibodies enables repeated infusion. The safety and efficacy of CD19/BCMA dual-target autologous CAR-T therapy for the treatment of r/r MM have already been validated in clinical studies. In this study, dose-escalation research will be conducted to explore the safety and preliminary efficacy of CD19/BCMA dual-target in vivo CAR-T therapy in patients with r/r MM who are positive for CD19 and/or BCMA expression.

Tipo di studio

Interventistico

Iscrizione (Stimato)

9

Fase

  • Fase 1

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Contatto studio

  • Nome: Weidong Han, M.D.
  • Numero di telefono: +86-010-55499341
  • Email: hanwdrsw@sina.com

Luoghi di studio

  • Cina
      • Beijing, Cina
        • Non ancora reclutamento
        • Department of Hematology, Beijing Chao-Yang Hospital, Capital Medical University
        • Contatto:
          • Wen Gao, M.D.
      • Tianjin, Cina
        • Non ancora reclutamento
        • National Clinical Research Center for Blood Diseases, State Key Laboratory of Experimental Hematology, Blood Diseases Hospital & Institute of Hematology, Chinese Academy of Medical Sciences & Peking Union Medical College
        • Contatto:
          • Lugui Qiu, M.D.
        • Sub-investigatore:
          • Gang An, M.D.
    • Beijing Municipality
      • Beijing, Beijing Municipality, Cina, 100853
        • Reclutamento
        • Biotherapeutic Department of Chinese PLA General Hospital
        • Sub-investigatore:
          • Yang Liu, M.D.
        • Sub-investigatore:
          • Jinhong Shi, M.S.
        • Contatto:

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

  • Adulto
  • Adulto più anziano

Accetta volontari sani

No

Descrizione

Key Inclusion Criteria:

  1. Age 18-75 years (inclusive), any gender.

  2. Subjects must meet the following diagnostic and treatment criteria:

    2.1 According to the IMWG 2014 diagnostic criteria, subjects must have a confirmed diagnosis of multiple myeloma and be in a relapsed or refractory state at screening, while meeting all of the following conditions:

    • Must have received at least 3 prior lines of MM therapy (including a proteasome inhibitor and an immunomodulatory agent). consecutive cycles of induction chemotherapy, hematopoietic stem cell transplantation, and maintenance therapy are considered as one line of therapy if no disease progression occurs between these treatments. each line of therapy must consist of at least one complete treatment cycle, unless the best response to that regimen was disease progression.
    • Must have experienced disease progression during or within 12 months after the most recent anti-myeloma therapy. or the subject must have experienced disease progression within the last 6 months and subsequently shown no response to the most recent line of therapy. Lack of response is defined as failure to achieve at least a minimal response (MR) or experiencing disease progression (PD) during treatment.

    2.2 Subjects judged by the investigator to be intolerant to standard therapy may also be included in the study.

  3. Presence of measurable lesions at screening as determined by any of the following criteria:

    • Serum monoclonal paraprotein (M-protein) level ≥ 1.0 g/dL, or urinary M-protein level ≥ 200 mg/24 hours. or
    • For light chain multiple myeloma without measurable lesions in serum or urine: serum immunoglobulin free light chain level ≥ 10 mg/dL and an abnormal serum immunoglobulin κ/λ free light chain ratio.
  4. Positive expression of CD19 and/or BCMA in tumor tissue confirmed by flow cytometry and/or histopathology (previous pathology or flow cytometry diagnosis of CD19 and/or BCMA in the patient, as confirmed by the investigator, is acceptable). For subjects who have previously received anti-CD19 and/or anti-BCMA therapy, a tumor biopsy should be performed to confirm current positive expression of CD19 and/or BCMA.
  5. Toxicities from any prior therapy must be stable and have resolved to ≤ Grade 1 (excluding hematologic toxicities and clinically insignificant toxicities such as alopecia).
  6. Eastern Cooperative Oncology Group (ECOG) performance status ≤ 2.

Key Exclusion Criteria:

  1. Expected survival < 3 months.
  2. History of or concurrent active malignancy. Exceptions include: carcinoma in situ of the cervix that has been cured or with no recurrence for at least 3 years, non-invasive basal cell or squamous cell skin cancer, locally advanced prostate cancer that has received curative treatment, or ductal carcinoma in situ after radical surgery.
  3. Prior allogeneic hematopoietic stem cell transplantation (allo-HSCT) or autologous HSCT within 3 months prior to KSVCBD infusion.
  4. Solitary extramedullary soft tissue plasmacytoma.
  5. Diagnosis of plasma cell leukemia, Waldenström's macroglobulinemia, POEMS syndrome, or primary AL amyloidosis.
  6. Presence of CNS metastasis or symptoms of CNS metastasis.
  7. Receipt of anti-tumor therapy that is still within 5 half-lives prior to the planned KSVCBD infusion.
  8. Presence of uncontrolled active infections.
  9. Positive for human immunodeficiency virus (HIV) antibody, positive for Treponema pallidum antibody, positive for hepatitis B surface antigen (HBsAg) or positive for hepatitis B core antibody (HBcAb) with detectable peripheral blood HBV DNA, or positive for hepatitis C virus (HCV) antibody with detectable HCV RNA. except for infections that the investigator judges can be prevented or controlled with medication.
  10. Known active autoimmune disease requiring systemic treatment.
  11. Known severe allergy to the study drug or any of its components.
  12. Pregnant or breastfeeding women.
  13. Receipt of a live vaccine within 6 weeks prior to enrollment.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: N / A
  • Modello interventistico: Assegnazione di gruppo singolo
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: KSVCBD injection
Administered by IV infusion
Biologico: KSVCBD injection
KSVCBD injection is an in vivo CAR-T therapy targeting CD19/BCMA. Three dose levels are predefined, and KSVCBD will be dose-escalated per the protocol-specified doses

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Dose limited toxicity (DLT)
Lasso di tempo: Within 28 days post-infusion
DLT is defined as any of the following adverse events (AEs) related to KSVCBD infusion occurring within 28 days after KSVCBD infusion
Within 28 days post-infusion
Incidence and severity of adverse events of special interest (AESI)
Lasso di tempo: Within 24 months post-infusion
AESI including grade ≥ 3 Cytokine Release Syndrome (CRS), Immune Effector Cell-Associated Neurotoxicity Syndrome (ICANS), and infections
Within 24 months post-infusion
Incidence and severity of AEs and serious adverse events (SAEs)
Lasso di tempo: Within 24 months post-infusion
AEs refer to any adverse medical events occurring in subjects from the initiation of KSVCBD administration during clinical trials. SAEs denote events involving death, life-threatening conditions, significant disability/incapacity, hospitalization or prolonged hospitalization arising after KSVCBD administration in subjects.
Within 24 months post-infusion

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
KSVCBD lentiviral particle concentration
Lasso di tempo: Within 24 months post-infusion
KSVCBD lentiviral particle concentration in peripheral blood.
Within 24 months post-infusion
Number of CD19-positive cells
Lasso di tempo: Within 24 months post-infusion
Number of CD19-positive cells in peripheral blood.
Within 24 months post-infusion
Duration of Response (DOR)
Lasso di tempo: Within 24 months post-infusion
Time from first documented PR or better to relapse or disease progression, or death from any cause
Within 24 months post-infusion
Time to Response (TTR)
Lasso di tempo: Within 24 months post-infusion
Time from administration to first documented PR or better.
Within 24 months post-infusion
Progression-Free Survival (PFS)
Lasso di tempo: Within 24 months post-infusion
Time from administration to disease progression or death from any cause, whichever occurs first.
Within 24 months post-infusion
Overall Survival (OS)
Lasso di tempo: Within 24 months post-infusion
Time from administration to death from any cause.
Within 24 months post-infusion
Number of CAR-positive T cells
Lasso di tempo: Within 24 months post-infusion
Number of CAR-positive T cells in peripheral blood.
Within 24 months post-infusion
CAR gene copy number
Lasso di tempo: Within 24 months post-infusion
CAR gene copy number in peripheral blood.
Within 24 months post-infusion
Number of BCMA-positive cells
Lasso di tempo: Within 24 months post-infusion
Number of BCMA-positive cells in peripheral blood.
Within 24 months post-infusion
Objective Response Rate (ORR)
Lasso di tempo: Within 24 months post-infusion
ORR includes Stringent Complete Remission (sCR), CR, Very Good Partial Remission (VGPR), and PR.
Within 24 months post-infusion
Minimal Residual Disease (MRD) negativity rate
Lasso di tempo: Within 24 months post-infusion
Rate of achieving MRD negativity
Within 24 months post-infusion
≥ CR rate
Lasso di tempo: Within 24 months post-infusion
Rate of achieving ≥ CR (CR and sCR)
Within 24 months post-infusion

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Chinese PLA General Hospital

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Stimato)

10 giugno 2026

Completamento primario (Stimato)

15 dicembre 2028

Completamento dello studio (Stimato)

15 marzo 2029

Date di iscrizione allo studio

Primo inviato

27 maggio 2026

Primo inviato che soddisfa i criteri di controllo qualità

27 maggio 2026

Primo Inserito (Effettivo)

2 giugno 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

2 giugno 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

27 maggio 2026

Ultimo verificato

1 maggio 2026

Maggiori informazioni

Termini relativi a questo studio

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • KSVCBD-R101-1

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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