E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Relapsed/Refractory B-cell Non-Hodgkin's Lymphoma. |
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E.1.1.1 | Medical condition in easily understood language |
A cancer of B-cells, a type of white blood cell responsible for producing antibodies, which has returned after a period of improvement or that has proved resistant, or does not respond to, treatment. |
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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 | PT |
E.1.2 | Classification code | 10012821 |
E.1.2 | Term | Diffuse large 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 | 23.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10029624 |
E.1.2 | Term | Non-Hodgkin's lymphoma unspecified histology indolent stage III |
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 | 23.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10029601 |
E.1.2 | Term | Non-Hodgkin's 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 | 23.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10029600 |
E.1.2 | Term | Non-Hodgkin's 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 | 10012822 |
E.1.2 | Term | Diffuse large 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 | 23.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10029623 |
E.1.2 | Term | Non-Hodgkin's lymphoma unspecified histology indolent stage II |
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 | 23.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10029622 |
E.1.2 | Term | Non-Hodgkin's lymphoma unspecified histology indolent stage I |
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 | 23.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10065856 |
E.1.2 | Term | Non-Hodgkin's lymphoma unspecified histology indolent |
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 | Yes |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To investigate the safety and tolerability, and to define the recommended Phase 2 doses (RP2D) for magrolimab in combination with rituximab and for magrolimab in combination with rituximab, gemcitabine, and oxaliplatin (R-GemOx)
To evaluate the efficacy of magrolimab in combination with rituximab in patients with indolent lymphoma and diffuse large B-cell lymphoma (DLBCL) and to evaluate the efficacy of magrolimab in combination with R-GemOx in autologous stem cell transplant (ASCT) ineligible DLBCL as measured by the objective response rate (ORR) according to Lugano Classification for lymphomas (Cheson 2014; Table 10-1)
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E.2.2 | Secondary objectives of the trial |
To evaluate the pharmacokinetic (PK) profiles of magrolimab in combination with rituximab and magrolimab in combination with R-GemOx
To evaluate the immunogenicity of magrolimab in combination with rituximab and magrolimab in combination with R-GemOx
To evaluate the efficacy of magrolimab in combination with rituximab in indolent lymphoma and DLBCL and magrolimab in combination with R-GemOx in ASCT ineligible DLBCL as measured by the duration of response (DOR), progression free survival (PFS), overall survival (OS), and time to progression (TTP)
To evaluate the efficacy of magrolimab in combination with rituximab in patients with indolent lymphoma and DLBCL and magrolimab in combination with R-GemOx in ASCT ineligible DLBCL as measured by ORR according to LYmphoma Response to Immunomodulatory therapy Criteria (LYRIC; Cheson 2016; Table 10-2) |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Adults ≥ 18 years
2. Antibody combination (magrolimab + rituximab) Phase 1b cohort only: B-cell NHL expressing CD20 by immunohistochemistry (IHC) or flow cytometry, relapsed or refractory to at least 2 prior lines of therapy
3. DLBCL chemotherapy combination (magrolimab + R-GemOx) Phase 1b safety dose-escalation and expansion cohorts:
a. Histologically confirmed de novo or transformed DLBCL relapsed or refractory to 1 to 3 prior lines of therapy who are not candidates for high dose chemotherapy and autologous stem cell transplantation (ASCT). Patients relapsed after ASCT are allowed.
b. At least 1 prior therapy must have included a CD20-targeted therapy.
c. Primary refractory patients are excluded as defined by failure to achieve a
partial response (PR) or complete response (CR) to frontline therapy or progression within 3 months of completing treatment.
d. The 1 to 3 prior lines of therapy requirement is only applicable for treatment regimens for DLBCL and not for prior lymphomas in the case of transformed DLBCL.
4. For the DLBCL antibody combination (magrolimab + rituximab) Phase 2 cohort 4: De novo or transformed DLBCL, not otherwise specified according to the World Health Organization 2016 classification of lymphoid neoplasms (Swerdlow 2016) expressing CD20 by IHC or flow cytometry that is relapsed or refractory at least 2 prior lines of therapy containing and anti-CD20 therapy. Prior autologous hematopoietic cell transplantation is permitted.
5. Indolent lymphoma Phase 2 Cohort: Histologically confirmed marginal zone
or follicular lymphoma (Grade 1 to 3a) expressing CD20 by IHC or flow cytometry, relapsed or refractory to at least 2 prior lines of therapy
6. Eastern Cooperative Oncology Group (ECOG) score 0 to 2
7. Disease that is measurable or assessable for response per Lugano Classification for lymphomas (Cheson 2014; Table 10-1)
8. Laboratory measurements, blood counts:
• Hemoglobin ≥ 9.5 g/dL
• Absolute neutrophil count (ANC) ≥ 1.0 × 109/mL
• For the antibody combination (magrolimab + rituximab) Phase 1b and Phase 2 cohorts: Platelets ≥ 50 × 109/mL
• For the Phase 1b chemotherapy combination (magrolimab + R-GemOx)
safety dose-escalation and expansion cohorts only, platelets ≥ 100 × 109/mL
9. Laboratory measurements, hepatic function:
• Aspartate aminotransferase (AST)/alanine aminotransferase (ALT) < 5 × upper limit of normal (ULN)
• Bilirubin ≤ 1.5 × or 3.0 × ULN and primarily unconjugated if patient has a documented history of Gilbert’s syndrome or a genetic equivalent
10. Laboratory measurements, renal function:
• Serum creatinine ≤ 1.5 × ULN or calculated glomerular filtration rate (GFR) > 40 mL/min/1.73 m2
11. Women of childbearing potential (WOCBP) must not be nursing or planning to be pregnant and must have a negative urine or serum pregnancy test within 30 days before enrollment and within 72 hours before the first administration magrolimab.
12. WOCBP must be willing to use at least 1 highly effective method of contraception during the study and continue for 4 months after the last dose of magrolimab and 12 months after the last dose of rituximab
13. Male patients who are sexually active with a WOCBP and who have not had vasectomies must be willing to use a barrier method of contraception during and refrain from sperm donation during the study and for 4 months after the last dose of magrolimab and 12 months after the last dose of rituximab. If the partner is pregnant, male patients must use barrier method contraception (condom) during the study and for 4 months after the last dose of magrolimab and until there is a pregnancy outcome (whichever is applicable) to prevent fetal exposure to study drugs.
14. Patient has provided informed consent
15. Must be willing and able to comply with clinic visits and procedures outlined in the study protocol
16. DLBCL chemotherapy combination (magrolimab + R-GemOx) Phase 1b safety dose-escalation and expansion cohorts and Phase 2 antibody combination (magrolimab + rituximab) indolent lymphoma and DLBCL cohorts: Willing to consent to 1 mandatory pretreatment and 1 on-treatment tumor biopsy, unless determined to not be feasible by the Investigator (Reasons include, but are not limited to, lack of accessible tumor tissue to biopsy and patient safety issues).
17. CAR-T naïve or CAR-T ineligible patients and otherwise meet other inclusion/exclusion criteria may enroll. Patients who relapse following CAR-T therapy are not eligible. |
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E.4 | Principal exclusion criteria |
1. Patients with active brain metastases. (Patients with stable treated central nervous system [CNS] lesions who are off corticosteroid therapy for at least 3 weeks are not considered active.)
2. Prior allogeneic stem cell transplant
3. Prior anti-cancer therapy including chemotherapy, hormonal therapy, and investigational agents within 3 weeks or within at least 4 half-lives prior to magrolimab dosing (up to a maximum of 4 weeks), whichever is longer. NOTE: Low dose steroids (oral prednisone or equivalent ≤ 20 mg per day), localized non-CNS radiotherapy, previous hormonal therapy with luteinizing hormone-releasing hormone (LHRH) agonists for prostate cancer, and treatment with bisphosphonates and receptor activator of nuclear factor kappa-B ligand (RANKL) inhibitors are not criteria for exclusion.
4. Known active or chronic hepatitis B or C infection or human immunodeficiency virus (HIV).
5. Red blood cell (RBC) transfusion dependence, defined as requiring more than 2 units of RBC transfusions during the 4-week period prior to screening. RBC transfusions are permitted during screening and prior to enrollment to meet the hemoglobin inclusion criteria.
6. History of hemolytic anemia or Evans syndrome in the last 3 months.
7. Positive IgG component of the direct antiglobulin test (DAT).
8. Prior treatment with CD47 or signal regulatory protein alpha (SIRPα)-targeting agents.
9. Second malignancy, except treated basal cell or localized squamous skin carcinomas, localized prostate cancer, or other malignancy for which patients are not on active anti-cancer therapy as defined in Exclusion Criterion 2.
10. Hypersensitivity to the active substance, to murine proteins, or to any of the other excipients of rituximab listed in Appendix A.
11. Significant medical diseases or conditions, as assessed by the Investigator and Sponsor that would substantially increase the risk-benefit ratio of participating in the study. This includes, but is not limited to, acute myocardial infarction within the last 6 months, unstable angina, uncontrolled diabetes mellitus, significant active infections, severely immunocompromised state, and congestive heart failure New York Heart Association (NYHA) Class II-IV.
12. History of psychiatric illness or substance abuse likely to interfere with ability to comply with protocol requirements or give informed consent.
13. Pregnancy or active breastfeeding.
14. Additional exclusion criteria for DLBCL chemotherapy combination (magrolimab + R-GemOx) Phase 1b safety dose-escalation and expansion cohorts only:
a. Undergone ASCT within a period of ≤ 3 months before signing informed consent.
b. Prior treatment with gemcitabine and oxaliplatin. However, patients who relapse ≥ 12 months after treatment with a gemcitabine andoxaliplatin containing regimen are allowed.
c. Known hypersensitivity to gemcitabine, oxaliplatin, or other platinum compounds.
d. Intolerance of gemcitabine, oxaliplatin, and/or rituximab as monotherapy or in combination due to unacceptable toxicities as determined by the treating Investigator. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Dose-limiting toxicities (DLTs) (Phase 1b only) in the antibody combination (magrolimab + rituximab) and the chemotherapy combination (magrolimab + R-GemOx) cohorts]) and adverse events (AEs) according to National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE), Version 4.03 |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
• Dose limiting toxicities (Phase 1b only) in the antibody combination (magrolimab + rituximab) and the chemotherapy combination magrolimab + R-GemOx) cohorts]) and adverse events will be evaluated throughout the subject participation in the study. |
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E.5.2 | Secondary end point(s) |
Concentration versus time measurements for magrolimab in combination with rituximab and for magrolimab in combination with R-GemOx and their PK parameters including maximum serum concentration (Cmax), and area under the concentration time curve (AUC).
Anti-drug antibodies (ADA) to magrolimab in combination with rituximab and magrolimab in combination with R-GemOx
• DOR, PFS, OS, and TTP
• ORR as defined by the Investigator according to the LYRIC Criteria for lymphomas (Table 10-2) |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
Phase 1b and 2: Concentration versus time measurements for magrolimab in combination with rituximab and PK parameters, including maximum plasma concentration (Cmax), time to maximum concentration (Tmax), terminal half-life (t1/2), area under the curve (AUC), clearance (CL), and volume of distribution during the terminal phase (Vz).
• Phase 1b and 2: Anti-drug antibodies to magrolimab and rituximab.
• Phase 2: Duration of response (DOR), best overall response (BOR), progression-free survival (PFS), and overall survival (OS).
• Objective response as defined by the Investigator according to the LYRIC criteria for lymphomas. |
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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 | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | Yes |
E.6.13.1 | Other scope of the trial description |
Immunogenicity, biomarkers |
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E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | Yes |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | Yes |
E.7.1.3.1 | Other trial type description |
Immunogenicity, biomarkers |
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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 | Information not present in EudraCT |
E.8.1.2 | Open | Information not present in EudraCT |
E.8.1.3 | Single blind | Information not present in EudraCT |
E.8.1.4 | Double blind | Information not present in EudraCT |
E.8.1.5 | Parallel group | Information not present in EudraCT |
E.8.1.6 | Cross over | Information not present in EudraCT |
E.8.1.7 | Other | Information not present in EudraCT |
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
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
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 | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
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E.8.7 | Trial has a data monitoring committee | No |
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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The date on which the last patient completes follow up for safety, disease progression or survival. |
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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 | 3 |
E.8.9.1 | In the Member State concerned months | 0 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 4 |
E.8.9.2 | In all countries concerned by the trial months | 0 |
E.8.9.2 | In all countries concerned by the trial days | 0 |