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CAR-T til patienter med autoimmun hæmolytisk anæmi, der har fejlet tre eller flere behandlingslinjer

2. november 2026 opdateret af: Jun Shi, Institute of Hematology & Blood Diseases Hospital, China

Sikkerheden og effektiviteten af ​​ThisCART19A til patienter med recidiverende/refraktær autoimmun hæmolytisk anæmi efter at have modtaget tre eller flere behandlingslinjer.

To Evaluate the Safety and Efficacy of ThisCART19A for Relapsed/Refractory Autoimmune Hemolytic Anemia Patients After Receiving Three or More Lines of Therapy

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

This is a phase 1, single-arm, open-label, dose-escalation and dose-expansion study. The main purpose is to evaluate the safety and tolerability, efficacy, pharmacokinetics and pharmacodynamics of ThisCART19A in patients with autoimmune hemolytic anemia who have failed ≥3 lines of therapy, which include glucocorticoids, rituximab, cyclophosphamide, azathioprine, fludarabine, cyclosporine, mycophenolate mofetil, BTK inhibitors, splenectomy, etc. Participants will receive ThisCART19A cell infusion after preconditioning, and they need to be closely monitored for 28 days following CAR-T cell infusion.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

1

Fase

  • Fase 1

Kontakter og lokationer

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

Studiesteder

    • Tianjin Municipality
      • Tianjin, Tianjin Municipality, Kina, 300020
        • Institute of Hematology & Blood Diseases Hospital

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

12 år og ældre (Barn, Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Subject and/or subject's legal personal representative fully understand and voluntarily sign informed consent forms.
  • Male or female age ≥ 12 years.
  • ECOG performance status ≤2.
  • Diagnosis of warm antibody hemolytic anemia (AIHA), cold AIHA, mixed AIHA or Evans syndrome.
  • Hemoglobin<100g/L.
  • Failure or intolerance to at least 3 lines of therapy, including glucocorticoids, rituximab, cyclophosphamide, azathioprine, fludarabine, cyclosporine, mycophenolate mofetil, Bruton's tyrosine kinase inhibitors, splenectomy.
  • Laboratory tests of adequate organ function: Serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤3×ULN; Creatinine clearance (CrCl) (Cockcroft-Gault formula) ≥40ml/min; Absolute neutrophil count (ANC) ≥1.0×10^9/L (growth factors such as granulocyte colony-stimulating factor [G-CSF] were not received within 7 days before the screening period); Left ventricular ejection fraction (LVEF) ≥45%; Blood oxygen saturation (SpO2) ≥92%.
  • Subjects of childbearing potential will be required to follow contraception requirements from the time of enrollment until the end of the 6-month safety follow-up period. Female subjects of childbearing potential must have a negative Serum HCG test within 7 days before enrollment and not in the lactation period.

Exclusion Criteria:

  • Clear diagnosis of lymphoproliferative tumor.
  • The platelet count in peripheral blood during the screening period is <20×10^9/L.
  • Have a history of severe drug allergy or allergic constitution.
  • Have a history of any of the following diseases: craniocerebral trauma, consciousness disorder, epilepsy, cerebrovascular ischemia, cerebrovascular, and hemorrhagic diseases within 6 months before enrollment.
  • Have any of the following serious cardiovascular diseases: myocardial infarction within 6 months before enrollment, cardiac angioplasty or stent implantation); Unstable angina; Severe cardiac arrhythmias; History of severe nonischemic cardiomyopathy; Congestive heart failure (New York Heart Association [NYHA] Class III or IV)).
  • Have malignant tumors within 5 years before enrollment, unless any of the following conditions: fully treated cervical carcinoma in situ, fully treated basal cell or squamous epithelial cell skin cancer, localized prostate cancer after radical mastectomy, breast ductal carcinoma in situ after radical mastectomy, Carcinoma in situ in other locations one year after radical resection, and these diseases have no evidence of relapse.
  • Subjects with any serious active fungal, bacterial, viral, tuberculosis or other infections, including active hepatitis B (defined as serum HBV-DNA ≥ 2000 IU/mL), active hepatitis C virus (Hepatitis C virus (HCV) infection, human immunodeficiency virus (HIV) antibody-positive or active syphilis patients, etc. Subjects whose HBV-DNA < 2000 IU/mL can be included on the condition that they receive antiviral drugs and monitor the related indicators during the study.
  • Have mental illness and severe cognitive impairment.
  • Have a history of live attenuated vaccines within 4 weeks before enrollment.
  • Subjects considered to be ineligible for the study by the investigator for reasons other than the above.

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: ThisCART19A

ThisCART19A comprises of allogeneic T-cells, which are genetically engineered to express chimeric antigen receptor (CAR) and targets cells expressing CD19.

Participants will receive ThisCART19A cell infusion after preconditioning, and they need to be closely monitored for 28 days following CAR-T cell infusion.

Andre navne:
  • Allogen CAR-T målrettet CD19

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Hyppigheden og hyppigheden af ​​behandlingsudspringende bivirkninger
Tidsramme: Inden for 6 måneder
Inden for 6 måneder
Maximal Tolerable Dose(MTD)
Tidsramme: Up to 28 days after infusion

MTD is classified by the NCI CTCAE V5.0

Up to 28 days after infusion

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Best response rate (BOR) of each dose group
Tidsramme: Within 12 weeks after infusion

BOR is determined as the most favorable response observed after cell infusion, until either disease relapse or the completion of a specified observation period.

Within 12 weeks after infusion
Objective response rate (ORR)
Tidsramme: Within 4 weeks after infusion

Percentage of patients with hematological response

Within 4 weeks after infusion
Time to response (TTR)
Tidsramme: Within 6 months

TTR is defined as the duration from cell infusion to the achievement of a hematological response

Within 6 months

Samarbejdspartnere og efterforskere

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

Sponsor

Samarbejdspartnere

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 (Faktiske)

20. januar 2024

Primær færdiggørelse (Faktiske)

31. december 2024

Studieafslutning (Faktiske)

31. december 2024

Datoer for studieregistrering

Først indsendt

8. januar 2024

Først indsendt, der opfyldte QC-kriterier

8. januar 2024

Først opslået (Faktiske)

18. januar 2024

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

4. november 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

2. november 2026

Sidst verificeret

1. november 2026

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • IIT2023077

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

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