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JOURNAL ONKOLOGIE – STUDIE
EXPAND

Evaluation of Lymphodepletion With ALLO-647 in Adults With R/R Large B Cell Lymphoma Receiving ALLO-501A Allogeneic CAR T Cell Therapy

Rekrutierend

NCT-Nummer:
NCT05714345

Studienbeginn:
März 2023

Letztes Update:
14.12.2023

Wirkstoff:
ALLO-647, Fludarabine, Cyclophosphamide

Indikation (Clinical Trials):
Lymphoma, Lymphoma, B-Cell

Geschlecht:
Alle

Altersgruppe:
Erwachsene (18+)

Phase:
Phase 2

Sponsor:
Allogene Therapeutics

Collaborator:
-

Kontakt

Studienlocations
(3 von 11)

Indiana Blood & Marrow Transplantation
46237 Indianapolis
United StatesRekrutierend» Google-Maps
Ansprechpartner:
Melanie Coleman
Phone: 317-528-7298
E-Mail: melanie.coleman@franciscanalliance.org
» Ansprechpartner anzeigen
University of Louisville James Graham Brown Cancer Center
40202 Louisville
United StatesRekrutierend» Google-Maps
Ansprechpartner:
Hassaan Yasin, MD
Phone: 502-562-3919
E-Mail: cancertrials@louisville.edu
» Ansprechpartner anzeigen
Astera Cancer Care - East Brunswick
08816 New Brunswick
United StatesRekrutierend» Google-Maps
Ansprechpartner:
Edward Licitra
Phone: 732-390-7750
E-Mail: Stephanie.Ortiz@asterahealthcare.org
» Ansprechpartner anzeigen
Atrium Health Wake Forest Baptist Medical Center
27157 Winston-Salem
United StatesRekrutierend» Google-Maps
Ansprechpartner:
Rakhee Vaidya, MD
Phone: 336-716-2774
E-Mail: ravaidya@wakehealth.edu
» Ansprechpartner anzeigen
Alle anzeigen

Studien-Informationen

Brief Summary:

The purpose of the EXPAND study is to assess the safety and clinical efficacy of ALLO-647

combined with fludarabine and cyclophosphamide compared to fludarabine and cyclophosphamide

alone in a lymphodepletion regimen prior to ALLO-501A CAR T therapy in adults with relapsed

or refractory large B-cell lymphoma

Ein-/Ausschlusskriterien

Inclusion Criteria:

- Histologically confirmed diagnosis of relapsed/refractory large B-cell lymphoma at

last relapse

- Relapsed or refractory disease after at least 2 lines of chemotherapy

- ECOG performance status 0 or 1

- Absence of significant donor (product)-specific anti-HLA antibodies (DSA)

- Adequate hematological, renal and liver function

Exclusion Criteria:

- Active central nervous system involvement by malignancy

- Autologous or allogeneic HSCT within last 6 months prior to lymphodepletion

- Hypocellular bone marrow for age

Studien-Rationale

Primary outcome:

1. To assess the clinical efficacy of ALLO-647 (in a lymphodepletion regimen before ALLO-501A) compared to FC alone as measured by PFS and assessed by IRC in subjects with R/R (Relapsed / Refractory) LBCL (Large B Cell Lymphoma) (Time Frame - Up to 60 months)



Secondary outcome:

1. To assess the clinical efficacy of ALLO-647 as measured by Overall Response Rate (ORR) and assessed by IRC between treatment arms (Time Frame - Up to 60 months)

2. To assess clinical efficacy of ALLO-647 with FC (in a lymphodepletion regimen before ALLO-501A) compared to FC alone as measured by Event-Free Survival (EFS) and assessed by IRC in subjects with R/R LBCL (Time Frame - Up to 60 months)

3. To characterize the efficacy of ALLO-647 as measured by Duration of Response (DOR) and assessed by IRC between treatment arms (Time Frame - Up to 60 months)

4. To characterize the efficacy of ALLO-647 as measured by Progression Free Survival (PFS) and assessed by IRC between treatment arms (Time Frame - Up to 60 months)

5. To characterize the efficacy of ALLO-647 as measured by response rate per investigator review (Time Frame - Up to 60 months)

6. To characterize the efficacy of ALLO-647 as measured by DOR and assessed by investigator assessments between treatment arms (Time Frame - Up to 60 months)

7. To characterize the efficacy of ALLO-647 as measured by Overall Survival (OS) (Time Frame - Up to 60 months)

8. To characterize lymphodepletion with and without ALLO-647 as measured by absolute lymphocyte count/microliter; T cell counts/microliter; B cell counts/microliter, NK cell counts/microliter (Time Frame - Up to 9 months)

9. To characterize the serum concentration of ALLO-647 as measured by microgram per microliter (Time Frame - Up to 10 days)

10. To characterize blood concentration of ALLO-501A when administered with lymphodepletion with and without ALLO-647 as measured by vector copy number (Time Frame - Up to 9 months)

11. To characterize the effects of ALLO-647 on host T cell concentrations as measured by T cell counts cells/microliter (Time Frame - Up to 9 months)

12. To evaluate the rate of anti-drug antibodies against ALLO-647 and ALLO-501A (Time Frame - Up to 9 months)

13. To evaluate the incidence of treatment-emergent adverse events of ALLO-647 by comparing ALLO-647, fludarabine, and cyclophosphamide (FCA) lymphodepletion with fludarabine and cyclophosphamide (FC) lymphodepletion (Time Frame - Up to 60 months)

14. To evaluate the incidence of treatment-emergent adverse events of ALLO-501A following lymphodepletion (Time Frame - Up to 60 months)

Studien-Arme

  • Experimental: Lymphodepletion with ALLO-647, fludarabine, and cyclophosphamide
    ALLO-501A CAR T cells infused following lymphodepletion
  • Experimental: Lymphodepletion with fludarabine and cyclophosphamide
    ALLO-501A CAR T cells infused following lymphodepletion

Geprüfte Regime

  • ALLO-647:
    ALLO-647 is a monoclonal antibody that recognizes a CD52 antigen
  • Fludarabine:
    Chemotherapy for lymphodepletion
  • Cyclophosphamide:
    Chemotherapy for lymphodepletion
  • ALLO-501A:
    ALLO-501A is an allogeneic CAR T cell therapy targeting CD19

Quelle: ClinicalTrials.gov


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