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NCT Number: NCT07300683

Anti-CCR9 CAR T Cells for T Cell Leukaemia/Lymphoma

The goal of this clinical trial is to learn if anti-CCR9 CAR T cells (which will be made using the patient's own blood cells) are safe and which dose should be used in children and adults with T cell leukaemia and lymphoma.

Participants will:

* have T cells collected from their blood and these T cells will be used to make the CAR-T cells in a specialized laboratory. * be admitted at the hospital a week before the CAR T cells infusion to receive a short course of chemotherapy drugs which prepare the body to receive the CAR T cells. * be given the CAR T cells into their vein. * stay in the hospital for a minimum of 2 weeks to be closely monitored * following discharge, participants will come to the clinic for check-ups (approximately 12 visits in the first two years) * during screening, treatment and follow up visits, participants will have physical examination, collection of blood samples and bone marrow biopsies and/or imaging tests (CT/PET-CT scans) depending on their type of T-cell cancer.

Recruiting

Interested in participating?

Request Info

Key information

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Key Inclusion Criteria:

  • Relapsed or refractory T-ALL/T-LBL following at least one (≥18 years old) or two (<18 years old) standard prior lines of combination cytotoxic therapy
  • CCR9-positive disease as assessed by flow cytometry
  • T-LBL patients only: Patients must have measurable disease
  • Agreement to have a pregnancy test, use adequate contraception (if applicable)
  • Written informed consent

Key Exclusion Criteria:

  • ECOG performance score >2 (patients aged ≥10 years old) OR Lanksy score ≤50% (patients aged <10 years old)
  • Stem Cell Transplant patients only: active significant acute GvHD or moderate/severe chronic GvHD requiring immunosuppressive therapy and/or systemic steroids
  • Active CNS involvement of disease
  • Active hepatitis B, C or HIV infection
  • Oxygen saturation ≤90% on air
  • Bilirubin >3 x upper limit of normal
  • GFR <30 ml/min
  • Cardiac dysfunction
  • Patients receiving corticosteroids at a supraphysiological dose that cannot be discontinued
  • Known allergy to any component of the ATIMP
  • Any contraindications to lymphodepletion or to the use of cyclophosphamide or fludarabine as per local SmPC
  • Women who are pregnant or breastfeeding
  • Life expectancy <3 months
  • Fulminant or rapidly progressive disease

Treatment and study plan

CARCCR9 T cells

Biological

Anti-CCR9 CAR T cells

Primary outcomes

  1. Feasibility of generation of CARCCR9 T cells as evaluated by the number of therapeutic products generated.

    Time frame: 2 years

    To determine the feasibility of semi-automated autologous CARCCR9 T cells manufacture in patients with r/r T-ALL/T-LBL, in the setting of a Phase I trial.

  2. Incidence of treatment-related adverse events (safety and tolerability)

    Time frame: From CAR T cells infusion until 28 days post infusion

    Incidence of grade 3-5 toxicity causally related to the ATIMP.

Secondary outcomes

  1. Persistence of CARCCR9 T cells

    Time frame: From CAR T cells infusion until 2 years post infusion

    Persistence of circulating CARCCR9 T cells in peripheral blood

  2. Expansion of CARCCR9 T cells

    Time frame: From CAR T cells infusion until 2 years post infusion

    Frequency of circulating CARCCR9 T cells in peripheral blood

  3. Potential efficacy of CARCCR9 T cells

    Time frame: At 1 and 2 years post CAR T cells infusion

    Proportion of responders

  4. Potential efficacy of CARCCR9 T cells

    Time frame: At 1 and 2 years post CAR T cells infusion

    Depth of response

  5. Time to disease progression

    Time frame: From CAR T cells infusion (Day 0) until the date of first documented progression, assessed up to 15 years post CAR T cells infusion.

    Length of time from CAR T cells infusion until disease progression

  6. Event free survival

    Time frame: From CAR T cells infusion (Day 0) until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 15 years post CAR T cells infusion.

    Length of time after a patient receives the CAR T cells and remain free from disease progression, recurrence, or death from any cause.

  7. Overall survival

    Time frame: From CAR T cells infusion (Day 0) until the date of death from any cause, assessed up to 15 years post CAR T cells infusion.

    Length of time from the CAR T cells infusion until death, regardless of the cause

Study contacts

Contact information is provided by the study sponsor or research team.

FRACTALL Trial Manager

CONTACT

[email protected]

+44 (0)20 76705748

Sponsors and collaborators

Lead sponsor

University College, London

Other

Collaborators

  • Great Ormond Street Hospital Charity
  • Medical Research Council

Registry information

Official study title

Fratricide-Resistant Autologous Chimeric Antigen Receptor T Cells Targeting CCR9 for the Treatment of T Cell Acute Lymphoblastic Leukaemia/ Lymphoma

Acronym: FRACTALL

Important dates

Study start
2025
Primary completion
2027
Study completion
2042
First posted
Dec 24, 2025
Registry last updated
Dec 24, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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