E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Pediatric and adult patients with relapsed/refractory (r/r) CD19-expressing B cell acute lymphoblastic leukemia (ALL) and Non-Hodgkin lymphoma (NHL), including chronic lymphocytic leukemia (CLL). |
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E.1.1.1 | Medical condition in easily understood language |
Pediatric and adult patients with relapsed or refractory CD19 positive B cell malignancies. |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10063625 |
E.1.2 | Term | Acute lymphoblastic leukemia recurrent |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10003902 |
E.1.2 | Term | B-cell lymphoma recurrent |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10003903 |
E.1.2 | Term | B-cell lymphoma refractory |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10008977 |
E.1.2 | Term | Chronic lymphocytic leukemia recurrent |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10008978 |
E.1.2 | Term | Chronic lymphocytic leukemia refractory |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
Part I (Phase I): To determine the recommended dose of MB-CART19.1
Part II (Phase II): To assess the response to adoptive cell therapy using autologous MB-CART19.1
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E.2.2 | Secondary objectives of the trial |
Part I (Phase I): - Preliminary evidence of response to MB-CART19.1 treatment - Phenotype and persistence of MB-CART19.1
Part II (Phase II): - Safety and toxicity assessment of MB-CART19.1 - Phenotype and persistence of MB-CART19.1 - To determine duration of response, relapse rate, disease-free and overall survival after treatment with MB-CART19.1
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Male or female patients must have r/r CD19-expressing ALL or NHL and meet the following disease-specific criteria:
ALL: a patients with >5% blasts in BM (M2 or M3) after at least one standard chemotherapy and one salvage regimen who are ineligible for allogeneic stem cell transplant (alloSCT) or have refractory disease activity precluding alloSCT at this time, or b patients who have relapsed post alloSCT at least 100 days post-transplant, with no evidence of active GVHD, and no longer taking immunosuppressive agents for at least 30 days prior to leukapheresis. c patients with Ph+ ALL if they are intolerant to tyrosine kinase inhibitor (TKI) therapy, or if they have r/r disease after treatment with at least 2 different TKIs. d ALL patients with combined bone marrow and CNS and/or testicular relapse are eligible only if the extramedullary disease has been successfully cleared by conventional therapy at the time of inclusion (e.g. intrathecal chemotherapy, orchiectomy).
Pediatric aggressive NHL (1-17 years): e patients after at least one salvage chemotherapy as bridge to alloSCT or f patients ineligible for alloSCT or g patients who have relapsed post alloSCT at least 100 days post-transplant, with not evidence of active GVHD, and no longer taking immunosuppressive agents for at least 30 days prior to leukapheresis. h patients with CNS disease (excluding isolated CNS lymphoma) are eligible only if disease has been successfully cleared by intrathecal chemotherapy at the time of inclusion.
Adult NHL: i patients after at least one standard chemotherapy and one salvage regimen as bridge to alloSCT or j patients who are ineligible for alloSCT or k patients who have relapsed post alloSCT at least 100 days post-transplant, with no evidence of active GVHD, and no longer taking immunosuppressive agents for at least 30 days prior to leukapheresis. l patients with CNS disease (excluding isolated CNS lymphoma) are eligible only if disease has been successfully cleared by intrathecal chemotherapy at the time of inclusion.
CLL: m patients with r/r disease after established and approved treatment options have failed. n patients not eligible or appropriate for conventional alloSCT
2. CD19 expression must be detected on the malignant cells by flow cytometry (leukemia, malignant effusion in NHL) or immunohistochemistry (NHL); Results of previous assessments after the last treatment with CD19 targeted therapies but preceding inclusion of the patient in this trial are acceptable, if available; 3. Age ≥1 year (if deemed fit by treating investigator); 4. Absolute CD3+ T cell count ≥100/µl; 5. ECOG performance score of 0-2 if >16 years old, or Lansky performance score of >50 if ≤16 years old at screening; 6. No active Hepatitis B, Hepatitis C, HIV1/2; 7. No childbearing potential or negative pregnancy test at screening and before chemotherapy in women with childbearing potential; 8. Signed and dated informed consent/assent by patients and/or, in case of patients <18 years by parents, before conduct of any trial-specific procedure.
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E.4 | Principal exclusion criteria |
1. Isolated CNS or testicular relapse in ALL; 2. Isolated CNS lymphomas; 3. Active solid brain metastases or history of solid brain metastases 4. Current autoimmune disease, or history of autoimmune disease with potential CNS involvement; 5. Active clinically significant CNS dysfunction (including but not limited to uncontrolled seizure disorders, cerebrovascular ischemia or hemorrhage, dementia, paralysis); 6. History of an additional malignancy other than non-melanoma skin cancer or carcinoma in situ unless disease free for ≥3 years; 7. BMI ≥ 30 8. Pulmonary function: Patients with pre-existing severe lung disease or an oxygen requirement of >28% O2 supplementation or active pulmonary infiltrates on chest X-ray; 9. Cardiac function: Pediatric patients: Fractional shortening <28% or left ventricular ejection fraction <50% by echocardiography, adult patients: left ventricular ejection fraction <50% by echocardiography; 10. Renal function: GFR ≤29 mL/min/1.73 m2 by CKD-EPI for patients 18 yrs (Levey et al. 2009) or creatinine clearance ≤29 mL/min/1.73 m2 by Schwartz formula (Schwartz et al. 1976) for patients <18 yrs of age;10. Liver function: Patients with a serum bilirubin >3 times upper limit of normal or an AST or ALT > 5 times upper limit of normal, unless due to leukemic liver infiltration in the estimation of the investigator; 12. Rapidly progressive disease that in the estimation of the investigator would compromise ability to complete study therapy; 13. Pregnant or breast-feeding females; 14. Medications: a Systemic chemotherapies, corticosteroids with the exception of physiologic replacement dosing, tyrosine kinase inhibitors (TKI) and other kinase inhibitors (e.g. ibrutinib) within 7 days prior to leukapheresis, b. Fludarabine/clofarabine or immunosuppressive drugs and antibodies (e.g. rituximab, calcineurin inhibitors, blinatumomab) or donor lymphocyte transfusions or radiation therapy within 14 days prior to leukapheresis, c Previous treatment with CAR T cells (e.g. Kymriah®) d Alemtuzumab within 3 months prior to leukapheresis, e Exception: Intrathecal chemotherapy is allowed until 8 days prior to leukapheresis, with the exception of cytarabine. After leukapheresis, a single dose of intrathecal chemotherapy is allowed but should be discontinued 10 days prior to MB-CART19.1 infusion to limit risk of neurotoxicities; 15. Hypersensitivity against any drug or its ingredients/impurities that is scheduled or likely to be given during trial participation, e.g. as part of the mandatory lymphodepletion protocol, pre-medication for infusion, rescue medication/salvage therapies for treatment related toxicities; 16. Intake of concomitant medication contraindicated for other reasons than hypersensitivity within 30 days prior to leukapheresis, e.g. live vaccines and fludarabine 17. Contraindication of trial related procedures as judged by the investigator, e.g. lumbar punctures for CSF sampling; 18. Female patients of child-bearing potential not willing to practice a highly effective form of birth control from the time of leukapheresis and for 12 months after dosing the IMP; 19. Male patients of fathering potential not willing to practice a highly effective form of birth control from the time of enrollment and for 12 months after dosing the IMP; 20. Concurrent participation in another interventional trial that could interact with this trial, e.g. CAR T trials; 21. Other investigational treatment within 4 weeks before IMP infusion; 22. Cerebral dysfunction, legal incapacity of adult patients; 23. Committal to an institution on judicial or official order. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Part I (Phase I): Determination of the recommended dose of MB-CART19.1, determined on the basis of the maximum tolerated dose (MTD), defined as the highest dose level of the two to three dose levels tested at which < 33% of patients experience DLT until day 28 after infusion of MB-CART19.1 and on the basis of the safety and efficacy data. Safety and toxicity assessment of MB-CART19.1 per adverse events (AE) reporting classified according to CTCAE (Common Terminology Criteria for Adverse Events) version 5.0 defined by <33% of patients experiencing DLT, or maximal administered dose.
Part II (Phase II): Determination of the Overall Response Rate (ORR) - ORR in ALL patients is defined as the rate of complete remission (CR, CRh) on day 28; - ORR in NHL patients is defined as the rate of overall response (CR or PR) on day 28 and on month 3 in patients not in CR on day 28.
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Adverse events will be documented at least 1,2, and 4 h post start of infusion. Furthermore on days 1, 2, 7,10, 14 and 28, on weeks 8, 12 and 16 as well as on months 6,8, 10 and 12 after the treatment and yearly during the long-term follow up . Adverse events observed by the investigator or reported spontaneously by the patient will also be recorded at any time. |
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E.5.2 | Secondary end point(s) |
Part I (Phase I): - Overall incidence and severity of adverse events; - Response to treatment for each timepoint: - Overall response rate (ORR) in ALL patients defined as the rate of complete remission (CR, CRh) on day 28; - Rate of ALL patients achieving MRD response (<10-4); - ORR in NHL patients defined as the rate of overall response (CR or PR) on day 28 and at month 3 in patients not in CR on day 28; - Occurrence of B cell depletion; - Phenotype and persistence of MB-CART19.1. - Further safety assessments;
Part II (Phase II): - Safety and toxicity of MB-CART19.1 per adverse events (AE) reporting classified according to CTCAE version 5.0; - Proportion of patients meeting the inclusion criteria and none of the exclusion criteria for who an autologous MB-CART19.1 product can be generated; - Rate of ALL patients achieving MRD response (<10-4); - Duration of response, relapse rate and time to relapse; - Disease-free and overall survival at 1 year after adoptive immunotherapy with MB-CART19.1 in patients not receiving alloSCT; - Occurrence of B cell depletion; - Phenotype and persistence of MB-CART19.1.
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Clinical Response assessments: PB, BM and CSF for cytomorphology and MRD analysis: screening, day -5 or day -6 (only in patients with CNS-2 or 3 status at screening), day 28, week 12, months 6 and 12.
PET-CT/PET-MRI; MRI whole Body (NHL adults): screening, week 12; MRI/CT (NHL): day 28, months 6, 12, long-term FU
MRI (Children): Screening Day 28, week 12, month 6, 12, long-term FU
B-cell Depletion: Pre-dose (day 0), days 7, 10, 14 and 28, weeks 8, 12 and 16, months 6, 8, 10 and 12 after infusion and annually during long-term FU
Persistence / Phenotyping of infused MB-CART19.1: Day -5, pre-dose (day 0), days 2, 7, 10, 14 and 28, weeks 8 and 12, months 6 and 12 after dosing and annually during the long-term FU.
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | Yes |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | Yes |
E.7.1.1 | First administration to humans | Yes |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | Yes |
E.7.1.3.1 | Other trial type description |
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E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 12 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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LVLS |
Letzter Besuch letzter Patient |
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 2 |
E.8.9.1 | In the Member State concerned months | 7 |
E.8.9.1 | In the Member State concerned days | |