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Pirtobrutinib Maintenance After CAR-T Therapy in Relapsed or Refractory B-Cell Lymphoma

28. maj 2026 opdateret af: Qingqing Cai, Sun Yat-sen University

A Single-Arm, Open-Label, Multicenter Clinical Study to Evaluate the Efficacy and Safety of Pirtobrutinib as Maintenance Therapy for Relapsed or Refractory B-Cell Lymphoma After CAR-T Cell Therapy

This is a single-arm, open-label, multicenter clinical study to evaluate the efficacy and safety of pirtobrutinib as maintenance therapy in patients with relapsed or refractory B-cell lymphoma after commercial anti-CD19 CAR-T cell therapy.

Studieoversigt

Status

Ikke rekrutterer endnu

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Anslået)

20

Fase

  • Fase 2

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Kina
    • Guangdong
      • Guangzhou, Guangdong, Kina, 510060
        • Sun Yat-sen University Cancer Center
        • Kontakt:

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ingen

Beskrivelse

Inclusion Criteria:

  • Able to understand and voluntarily sign the informed consent form.
  • Age 18 years or older, male or female.
  • Histologically confirmed large B-cell lymphoma, including diffuse large B-cell lymphoma, primary mediastinal large B-cell lymphoma, high-grade B-cell lymphoma, or transformed follicular lymphoma (tFL).
  • Eastern Cooperative Oncology Group performance status of 0 to 2.
  • Has received commercial anti-CD19 CAR-T cell therapy, with informed consent obtained before Day 28 after CAR-T cell infusion.
  • Prior anti-lymphoma therapy-related adverse events, especially CAR-T-related adverse events, have stabilized and recovered to Grade 1 or lower, except for clinically insignificant toxicities.

Exclusion Criteria:

  • History of other malignancies, except non-melanoma skin cancer without recurrence for more than 3 years, carcinoma in situ, such as cervical, bladder, or breast carcinoma, or follicular lymphoma.
  • Prior autologous or allogeneic hematopoietic stem cell transplantation.
  • Active or suspected uncontrolled fungal, bacterial, viral, or other infection requiring intravenous treatment. Patients with uncomplicated urinary tract infection or uncomplicated bacterial pharyngitis may be enrolled if responding to active treatment.
  • History of immunodeficiency, including human immunodeficiency virus infection; positive treponema pallidum antibody; active hepatitis B virus infection; or active hepatitis C virus infection.
  • Current or prior history of benign central nervous system disease, such as seizure, cerebrovascular ischemia or hemorrhage, dementia, cerebellar disease, or any central nervous system-related autoimmune disease.
  • Lymphoma involvement of the atrium or ventricle.
  • Autoimmune disease requiring systemic immunosuppressive or immunomodulatory therapy within 2 years.
  • History of symptomatic deep vein thrombosis or pulmonary embolism within 6 months before enrollment.
  • Any comorbidity that may affect or interfere with safety or efficacy assessment.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Pirtobrutinib Maintenance After CAR-T Cell Therapy
Patients will receive pirtobrutinib 200 mg orally once daily starting on Day 30 after commercial anti-CD19 CAR-T cell infusion. Pirtobrutinib maintenance therapy will be continued for 6 months unless disease progression, unacceptable toxicity, withdrawal of consent, or other protocol-defined discontinuation criteria occur. Patients who do not achieve complete response after 6 months of maintenance therapy, or who achieve complete response with detectable ctDNA, may receive a second infusion of commercial CAR-T cells at the investigator's discretion.
Medicin: Pirtobrutinib
Pirtobrutinib will be administered orally at a dose of 200 mg once daily for 6 months, beginning on Day 30 after commercial anti-CD19 CAR-T cell infusion. Dose interruption, dose reduction, or treatment discontinuation will be performed according to protocol-specified toxicity management rules.
Biologisk: Second Infusion of Commercial Anti-CD19 CAR-T Cells
A second infusion of commercial anti-CD19 CAR-T cells may be administered after completion of 6 months of pirtobrutinib maintenance therapy in selected patients who do not achieve complete response, or who achieve complete response but remain ctDNA-positive, based on investigator assessment and protocol-defined criteria.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Complete response rate (CRR)
Tidsramme: At 6 months after initiation of pirtobrutinib maintenance therapy
CRR is defined as the proportion of patients who achieve complete response according to the Lugano 2014 criteria at 6 months after initiation of pirtobrutinib maintenance therapy.
At 6 months after initiation of pirtobrutinib maintenance therapy

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Overall survival (OS)
Tidsramme: Up to 24 months
OS is defined as the time from enrollment to death from any cause.
Up to 24 months
Best complete response rate (bCRR)
Tidsramme: Up to 24 months
bCRR is defined as the proportion of patients whose best response is complete response according to the Lugano 2014 criteria.
Up to 24 months
Best objective response rate (bORR)
Tidsramme: Up to 24 months
bORR is defined as the proportion of patients whose best response is complete response or partial response according to the Lugano 2014 criteria.
Up to 24 months
Objective response rate (ORR)
Tidsramme: At 6 months after initiation of pirtobrutinib maintenance therapy
ORR is defined as the proportion of patients who achieve complete response or partial response according to the Lugano 2014 criteria at 6 months after initiation of pirtobrutinib maintenance therapy.
At 6 months after initiation of pirtobrutinib maintenance therapy
Duration of complete response (DoCR)
Tidsramme: Up to 24 months
DoCR is defined as the time from the first documented complete response to disease progression or death from any cause, whichever occurs first.
Up to 24 months
Duration of response (DOR)
Tidsramme: Up to 24 months
DOR is defined as the time from the first documented response to disease progression or death from any cause, whichever occurs first.
Up to 24 months
Progression-free survival (PFS)
Tidsramme: Up to 24 months
PFS is defined as the time from enrollment to disease progression or death from any cause, whichever occurs first.
Up to 24 months
Incidence of adverse events (AEs) and serious adverse events (SAEs)
Tidsramme: Up to 30 days after the last dose of pirtobrutinib
The incidence and severity of adverse events will be assessed and graded according to the National Cancer In Common Terminology Criteria for Adverse Events (NCI CTCAE) version 5.0.
Up to 30 days after the last dose of pirtobrutinib

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Sun Yat-sen University

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Anslået)

1. juni 2026

Primær færdiggørelse (Anslået)

1. juni 2028

Studieafslutning (Anslået)

1. december 2028

Datoer for studieregistrering

Først indsendt

28. maj 2026

Først indsendt, der opfyldte QC-kriterier

28. maj 2026

Først opslået (Faktiske)

3. juni 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

3. juni 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

28. maj 2026

Sidst verificeret

1. maj 2026

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • T2026-006

Plan for individuelle deltagerdata (IPD)

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INGEN

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Kliniske forsøg med Recidiverende eller refraktært B-celle lymfom

Kliniske forsøg med Pirtobrutinib

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