- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03287817
CD19/22 CAR T Cells (AUTO3) for the Treatment of Diffuse Large B Cell Lymphoma (ALEXANDER)
A Single Arm, Open-label, Multi-centre, Phase I/II Study Evaluating the Safety and Clinical Activity of AUTO3, a CAR T Cell Treatment Targeting CD19 and CD22 With Anti PD1 Antibody in Patients With Relapsed or Refractory Diffuse Large B Cell Lymphoma
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
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Glasgow, United Kingdom, G12 0YN
- The Beatson West of Scotland Cancer Centre / Queen Elizabeth University Hospital
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London, United Kingdom
- University College London Hospitals NHS Foundation Trust
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Manchester, United Kingdom
- Manchester University NHS Foundation Trust
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Newcastle upon Tyne, United Kingdom
- Freeman Hospital, The Newcastle upon Tyne Hospitals NHS Foundation Trust
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California
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Duarte, California, United States, 91010
- City of Hope Hospital
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Colorado
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Denver, Colorado, United States, 80218
- Colorado Blood Cancer Institute at Presbyterian/St. Luke's Medical Center/Sarah Cannon Research Institute
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Florida
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Miami, Florida, United States, 33136
- Sylvester Comprehensive Cancer Center / University of Miami
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Missouri
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Saint Louis, Missouri, United States, 63110
- Siteman Cancer Center / Washington University School of Medicine
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New York
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New York, New York, United States, 10065
- Memorial Sloan Kettering Cancer Center
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Tennessee
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Nashville, Tennessee, United States, 37203
- TriStar Centennial Medical Center /Sarah Cannon Research Institute
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Texas
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Austin, Texas, United States, 78704
- St David's South Austin Medical Center /Sarah Cannon Research Institute
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Male or female, aged ≥18 years.
- Willing and able to give written, informed consent.
- Eastern Cooperative Oncology Group (ECOG) Performance Status 0 to 1.
Histologically confirmed DLBCL and large B cell lymphoma (at last relapse) subsets, including:
Phase I and Phase II Cohort 1:
- DLBCL, not otherwise specified (NOS), per World Health Organisation classification and DLBCL with MYC and BCL2 and/or BCL6 rearrangements (double/triple hit).
- Transformed DLBCL from FL.
High-grade B cell lymphoma with MYC expression (excluding Burkitt's lymphoma)
Phase I and Phase II Cohort 2:
- Transformed DLBCL from other indolent lymphomas (excluding Richter's transformation).
- Primary mediastinal large B cell lymphoma.
Chemotherapy-refractory disease, defined as one or more of the following:
- Stable disease (≤12 months) or progressive disease as best response to most recent chemotherapy containing regimen. Refractory disease after frontline chemo-immunotherapy is allowed.
- Disease progression or recurrence in ≤12 months of prior autologous haematopoietic stem cells transplantation (ASCT).
OR
Relapse after ≥two lines of therapy or after ASCT. At a minimum:
- Patients must have received rituximab or another anti-CD20 monoclonal antibody (unless Investigator determines that tumour is CD20-negative) and an anthracycline-containing chemotherapy regimen.
- Patients must have either failed ASCT, or be ineligible for or not consenting to ASCT.
- Patients with transformed DLBCL must have received at least one line of therapy after transformation to DLBCL.
- PET-positive disease per Lugano classification.
For females of childbearing potential, a negative serum or urine pregnancy test must be documented at screening, prior to pre-conditioning and confirmed before receiving the first dose of study treatment.
For females who are not postmenopausal or surgically sterile, highly effective methods of contraception must be used during the treatment period and for at least 12 months after the last dose of study treatment.
- For males, it must be agreed that that two acceptable methods of contraception are used.
Adequate renal, hepatic, pulmonary, and cardiac function defined as:
- Creatinine clearance ≥40 cc/min.
- Serum alanine aminotransferase / aspartate aminotransferase ≤2.5 x ULN.
- Total bilirubin ≤1.5 x ULN, except in subjects with Gilbert's syndrome.
- LVEF ≥50% (by ECHO or MUGA) unless the institutional lower limit of normal is lower.
- Baseline oxygen saturation >92% on room air and ≤Grade 1 dyspnoea.
Patient has adequate BM function without requiring ongoing blood product or granulocyte-colony stimulating factor support and meets the following criteria:
- Absolute neutrophil count ≥1.0 × 109/L.
- Absolute lymphocyte count ≥0.3 × 109/L (at enrolment and prior to leukapheresis).
- Haemoglobin ≥80 g/L.
- Platelets ≥75 × 109/L
- No contra-indications for leukapheresis.
Exclusion Criteria:
- Prior allogeneic haematopoietic stem cell transplant.
- Females who are pregnant or lactating.
- History or presence of clinically relevant CNS pathology such as epilepsy, paresis, aphasia, stroke within prior 3 months, severe brain injuries, dementia, Parkinson's disease, cerebellar disease, organic brain syndrome, uncontrolled mental illness, or psychosis.
- Patients with active CNS involvement by malignancy. Patients with history of CNS involvement with malignancy may be eligible if CNS disease has been effectively treated and provided treatment was at least 4 weeks prior to enrolment (at least 8 weeks prior to AUTO3 infusion).
Clinically significant, uncontrolled heart disease or a recent (within 12 months) cardiac event.
- Uncontrolled cardiac arrhythmia (patients with rate-controlled atrial fibrillation are not excluded).
- Evidence of pericardial effusion
- Patients with a history (within 3 months) or evidence of deep vein thrombosis or pulmonary embolism requiring ongoing therapeutic anticoagulation at the time of pre-conditioning.
- Patients with active gastrointestinal bleeding.
- Patients with any major surgical intervention in the last 3 months.
- Active bacterial, viral or fungal infection requiring systemic treatment. Active or latent hepatitis B infection or hepatitis C infection. Testing positive for human immunodeficiency virus, human T cell lymphotropic virus (HTLV1 and 2) or syphilis.
- History of autoimmune disease resulting in end organ injury or requiring systemic immunosuppression/systemic disease modifying agents within the last 24 months.
- Patients with a known history or prior diagnosis of optic neuritis or other immunologic or inflammatory disease affecting the CNS.
- Evidence of active pneumonitis on chest computed tomography (CT) scan at screening or history of drug-induced pneumonitis, idiopathic pulmonary fibrosis, organising pneumonia, or idiopathic pneumonitis.
- History of other malignant neoplasms unless disease free for at least 24 months (carcinoma in situ, non-melanoma skin cancer, breast or prostate cancer on hormonal therapy allowed).
- Prior treatment with PD1, PD-L1, or cytotoxic T lymphocyte-associated protein-4-targeted therapy, or tumour necrosis factor (TNF) receptor superfamily agonists within 6 weeks prior to AUTO3 infusion.
- Prior treatment with investigational or approved gene therapy or cell therapy products until a dose level has treated at least three patients and has been declared safe.
- Prior CD19 or CD22 targeted therapy.
The following medications are excluded:
- Steroids: Therapeutic doses of corticosteroids within 7 days of leukapheresis or 72 hours prior to AUTO3 administration. However, physiological replacement, topical, and inhaled steroids are permitted.
- Immunosuppression: Immunosuppressive medication must be stopped ≥2 weeks prior to leukapheresis or AUTO3 infusion.
- Cytotoxic chemotherapies within 2 weeks of AUTO3 infusion and 1 week prior to leukapheresis (2 weeks for lymphodepleting chemotherapy).
- Antibody therapy use including anti-CD20 therapy within 2 weeks prior to AUTO3 infusion, or 5 half-lives of the respective antibody, whichever is shorter.
- Granulocyte-colony stimulating factor less than 10 days prior to leukapheresis.
- Live vaccine ≤4 weeks prior to enrolment.
- Prophylactic intrathecal therapy: Methotrexate within 4 weeks and other intrathecal chemotherapy (e.g. Ara-C) within 2 weeks prior to starting pre-conditioning chemotherapy.
- Prior limited radiation therapy within 4 weeks of AUTO3 infusion or within 24 weeks for definitive radiation to chest.
- Research participants receiving any other investigational agents, or concurrent biological, chemotherapy, or radiation therapy.
- Known allergy to albumin, dimethyl sulphoxide (DMSO), cyclophosphamide or fludarabine, pembrolizumab or tocilizumab.
- Any contraindications to receive anti-PD1 antibody pembrolizumab will be excluded from cohorts requiring administration of pembrolizumab.
- Patients, who in the opinion of the Investigator, may not be able to understand or comply with the safety monitoring requirements of the study.
Any other condition that in the Investigator's opinion would make the patient unsuitable for the clinical trial.
Phase I outpatient cohort:
- Subjects who do not have caregiver support (in line with institutional outpatient transplant guidelines) for outpatient/ambulatory care setting.
- Subjects who are staying greater than 60 minutes (or whatever is permissible per institutional outpatient transplant guidelines) from the clinical trial site at the time of treatment.
For AUTO3 Infusion: Patients meeting any of the following exclusion criteria must not be treated with AUTO3 or have treatment delayed until they no longer meet these criteria:
- Severe intercurrent infection.
- Requirement for supplementary oxygen or active pulmonary infiltrates.
- Clinical deterioration of organ function (renal and hepatic) exceeding the criteria set at study entry.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: AUTO3
Patient with relapsed or refractory DLBCL
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Following preconditioning with chemotherapy (cyclophosphamide and fludarabine) patients will be treated with doses from 50 x 10⁶ to 900 x 10⁶ CD19/ CD22 Chimeric Antigen Receptor (CAR) positive T cells followed by limited duration of anti-PD1 antibody (pembrolizumab).
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
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Phase I Escalation - Safety (incidence of Grade 3-5 toxicities) and identification of recommended Phase II dose and schedule.
Time Frame: Within 75 days of AUTO3 infusion
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Within 75 days of AUTO3 infusion
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Phase I Expansion - Safety (incidence of Grade 3-5 toxicities) in the outpatient / ambulatory care setting
Time Frame: Within 75 days of AUTO3 infusion
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Within 75 days of AUTO3 infusion
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Phase II - Overall response rate as per Lugano criteria
Time Frame: Up to 2 years
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Up to 2 years
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
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Feasibility of generating AUTO3: number of patients' cells successfully manufactured as a proportion of the number of patients undergoing leukapheresis.
Time Frame: Up to 8 weeks post leukapheresis.
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Up to 8 weeks post leukapheresis.
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Complete response rate, as per Lugano criteria.
Time Frame: Up to 2 years
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Up to 2 years
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Duration of response (DOR).
Time Frame: Up to 2 years
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Up to 2 years
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Progression-free survival (PFS).
Time Frame: Up to 2 years
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Up to 2 years
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Overall survival (OS).
Time Frame: Up to 2 years
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Up to 2 years
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Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- AUTO3-DB1
- 2016-004682-11 (EudraCT Number)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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