Status:

UNKNOWN

Base Edited CAR7 T Cells to Treat T Cell Malignancies (TvT CAR7)

Lead Sponsor:

Great Ormond Street Hospital for Children NHS Foundation Trust

Collaborating Sponsors:

UCL Great Ormond Street Institute of Child Health

Medical Research Council

Conditions:

Relapsed/Refractory T-cell Acute Lymphoid Leukaemia

Eligibility:

All Genders

6-16 years

Phase:

PHASE1

Brief Summary

T-cell leukaemia is an uncommon type of blood cell cancer that affects white blood cells (T cells). This phase I clinical trial will treat children aged 6 months up to 16 years with T cell leukaemia w...

Detailed Description

Who can participate? Patients aged 6 months to 16 years with relapsed/refractory T cell leukaemia ahead of a planned bone marrow transplant What does the study involve? Patients will undergo careful ...

Eligibility Criteria

Inclusion

  • Demographic characteristics:
  • Male or female patients
  • Age ranging between 6 months and \<16 years
  • Medical and therapeutic criteria:
  • Relapsed/refractory T cell malignancy ahead of planned allogeneic haematopoietic stem cell transplantation (allo-SCT). Morphologically confirmed with leukemic blasts in the bone marrow (\>5%) or a quantifiable MRD load (by multiparameter flow cytometry and/or quantitative polymerase chain reaction)
  • CD7+ (\>99%) leukaemia associated immunophenotype (LAIP)
  • Eligible and fit for allogeneic hematopoietic stem cells transplantation with suitable donor available
  • Estimated life expectancy ≥12 weeks
  • Lansky (age \<16 years at the time of assent/consent) or Karnofsky (age ≥16 years at the time of assent/consent) performance status ≥70; Eastern Cooperative Oncology Group ECOG performance status \< 2
  • Exclusion Criteria:
  • Patients/parents unwilling to undergo a follow-up for 15 years
  • Foreseeable poor compliance to the study procedures
  • Evidence of disease progression after cytoreduction
  • Uncontrollable CNS leukaemia or neurological symptoms defined as CNS grade 3 (per National Comprehensive Cancer Network guidelines)
  • Absence of suitable HLA matched or mismatched donor
  • Weight \<6 kg
  • Presence of donor-specific anti-HLA antibodies directed against BE-CAR7
  • GvHD requiring systemic therapy
  • Systemic steroid therapy prednisolone \>0.5 mg/kg/day
  • Known hypersensitivity to any of the test materials or related compounds
  • Active bacterial, fungal or viral infection not controlled by standard of care anti-microbial or anti-viral treatment. Uncontrolled bacteraemia/ fungaemia is defined as the ongoing detection of bacteria/fungus on blood cultures despite antibiotic or antifungal therapy. Uncontrolled viraemia is defined as rising viral loads on two consecutive occasions despite antiviral therapy.
  • Risk of pregnancy or non-compliance with contraception (if applicable). Girls of childbearing potential must have been tested negative in a pregnancy test within 14 days prior to inclusion.
  • Lactating female participants unwilling to stop breastfeeding
  • Prior CAR therapy known to be associated with ≥Grade 3 cytokine release syndrome (CRS) or ≥Grade 3 drug-related CNS toxicity

Exclusion

    Key Trial Info

    Start Date :

    April 19 2022

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ESTIMATED

    End Date :

    February 28 2025

    Estimated Enrollment :

    10 Patients enrolled

    Trial Details

    Trial ID

    NCT05397184

    Start Date

    April 19 2022

    End Date

    February 28 2025

    Last Update

    July 5 2023

    Active Locations (1)

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    Ilyas Ali

    London, United Kingdom, WC1N 1EH