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A Cancer Research UK Trial of Anti-GD2 T-cells (1RG-CART)

Study Purpose

The purpose of this first in human study is to determine the safety and feasibility of 1RG-CART therapy in patients with relapsed or refractory neuroblastoma. 1RG-CART therapy is a novel immunotherapy under investigation in which patients have their T-cells (a type of white blood cell) collected and modified in the laboratory, before they are given back to the patient. The T-cells are modified to express a chimeric antigen receptor (CAR) which targets disialoganglioside (GD2), a marker expressed on the surface of neuroblastoma cells.

Recruitment Criteria

Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms

Accepts Healthy Volunteers
No

An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes.


An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes.


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Study Type
Interventional
Eligible Ages 1 Year and Over
Gender All
More Inclusion & Exclusion Criteria

Eligibility Criteria for Leukapheresis/Venepuncture

Inclusion Criteria:

1. Written informed consent* for leukapheresis/venepuncture and transduction of T-cells. 2. Suitability for leukapheresis/venepuncture defined as: Negative for human immunodeficiency virus (HIV), human T-cell lymphotropic virus (HTLV) 1, HTLV 2, syphilis and hepatitis B Minimum T-lymphocyte count of 0.25x10^9/L 3. Relapsed or refractory neuroblastoma (the patient must have evidence of active disease even if they do not currently require active treatment). 4. Patients must have at least one lesion that can be evaluated for response by imaging and/or diffuse bone marrow infiltration. 5. Adequate renal function, defined as a glomerular filtration rate (GFR) ≥ 30 mL/min/1.73m^2 (corrected). 6. Karnofsky score ≥60% if ≥16 years old or Lansky performance score of ≥60% if <16 years old
  • - Informed consent from the patient‟s parent or legal guardian is required for all patients under 16 years of age.
Patients under 16 years of age may also provide written assent to take part in the trial.

Exclusion Criteria:

Patients should not meet (or be anticipated to meet) any of the exclusion criteria for the main trial, see criteria below Eligibility Criteria for the Main Trial

Inclusion Criteria:

1. Histologically proven neuroblastoma, which is relapsed or refractory to conventional treatment. 2. Patients must have at least one lesion that can be evaluated for response by imaging and/or diffuse bone marrow infiltration. 3. Aged ≥12 months at the time written consent is given for the dose escalation phase or aged ≥6 months at the time written consent is given for the dose expansion phase of the trial. 4. Life expectancy of at least two months. 5. Karnofsky score ≥60% if ≥16 years old or Lansky performance score of ≥60% if <16 years old 6. Adequate renal function, defined as a GFR of ≥30 mL/min/1.73m^2 (corrected). 7. Written (signed and dated) informed consent to the main trial* and be capable of co-operating with treatment and follow-up.

Exclusion Criteria:

1. Patients who have received anti-GD2 antibody treatment within the previous 2 weeks (based on the half life of ch14.18 antibody being 1-3 days in children); patients who have received dinutuximab or other anti-GD2-directed antibody may need a longer washout period. 2. Patients for whom rituximab is contraindicated due to severe previous hypersensitivity or any other reason. 3. Patients must have recovered from the acute reversible effects of any previous therapy before infusion of the 1RG-CART. 4. Current CNS involvement (including intradural meningeal involvement). Patients who previously had CNS involvement but have been surgically treated and disease free for ≥2 months are eligible. 5. Co-existing chronic progressive neurological disease. 6. Airway compromise by direct tumoural invasion or compression. 7. Patients with active autoimmune disease requiring systemic treatment. 8. Patients who are taking or likely to require high dose systemic corticosteroids or other immunosuppressive therapy (patients on steroid replacement therapy are eligible). 9. Patients at high medical risk because of non-malignant systemic disease including active uncontrolled infection. 10. Major surgery from which the patient has not yet recovered. 11. Female patients who are able to become pregnant (or already pregnant or lactating). However, those patients who have a negative serum or urine pregnancy test before enrolment and agree to use two highly effective forms of contraception (oral; injected or implanted hormonal contraception and condom; have an intra-uterine device and condom; diaphragm with spermicidal gel and condom) effective at the first administration of the lymphodepleting regimen or at administration of the 1RG-CART (whichever comes first), throughout the trial and for six months afterwards are considered eligible. Note that for female patients who receive cyclophosphamide or rituximab, the contraceptive period should be extended to 12 months after cyclophosphamide/rituximab administration. 12. Male patients with partners of child-bearing potential (unless they agree to take measures not to father children by using one form of highly effective contraception [condom plus spermicide] effective at the first administration of the lymphodepleting regimen or at administration of the 1RG-CART [whichever comes first], throughout the trial and for six months afterwards). Men with pregnant or lactating partners must be advised to use barrier method contraception (for example: condom plus spermicidal gel) to prevent exposure to the foetus or neonate. 13. Known to be serologically positive for hepatitis B, hepatitis C or HIV. 14. Any other condition which in the Investigator‟s opinion would not make the patient a good candidate for the clinical trial. 15. Is a participant in another clinical trial of an investigational medicinal product (CTIMP). Participation in an observational trial or in the follow-up phase of a CTIMP would be acceptable.

Trial Details

This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.

Trial ID:
NCT02761915

Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans.

Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data.

Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs.

Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.

Phase
Phase 1

The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.

Lead Sponsor
Cancer Research UK

The person who is responsible for the scientific and technical direction of the entire clinical study.

Principal Investigator
N/A
Principal Investigator Affiliation N/A

Category of organization(s) involved as sponsor (and collaborator) supporting the trial.

Agency Class
Other
Overall Status Recruiting
Countries United Kingdom

The disease, disorder, syndrome, illness, or injury that is being studied.

Conditions
Relapsed or Refractory Neuroblastoma
Additional Details

The purpose of this trial is to explore the feasibility of deploying autologous anti-GD2 CAR T-cells for the immunotherapy of neuroblastoma. The CAR T-cell trials employing second generation receptors and lymphodepleting conditioning regimes have produced objective clinical responses in patients with relapsed leukaemias. The current trial aims to evaluate similar CAR T-cells but directed against the antigen GD2. Neuroblastoma is well suited to this form of targeted therapy because of the homogeneous and almost universal expression of GD2 on the surface of neuroblastoma cells, and because of the poor prognosis of eligible patients. 1RG-CART will be administered intravenously. As the CAR T-cells are designed to survive and proliferate on encountering antigen, no direct relationship is anticipated between cell dose and either efficacy or toxicity. Rather, clinical benefit is more likely to be observed in those patients in whom in vivo expansion successfully occurs. A possible key determinant of expansion will be prior lymphodepletion of the patients. For this reason this trial is designed to evaluate a phased introduction of lymphodepletion in successive patient cohorts, rather than T-cell dose escalation. Only if there is insufficient expansion of T-cells following full lymphodepletion will the T-cell dose be escalated.

Contact a Trial Team

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International Sites

University College London (UCL),, London, United Kingdom

Status

Not yet recruiting

Address

University College London (UCL),

London, , WC1E 6BT

London, United Kingdom

Status

Recruiting

Address

Great Ormond Street Hospital for Children NHS Foundation Trust (GOSH)

London, , WC1N 3JH

Site Contact

Person

j.anderson@ucl.ac.uk

020 7905 2265

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