A Phase 1/2 interventional study of Rituximab and N-803 in Relapsed/Refractory Indolent B Cell Non-Hodgkin Lymphoma, sponsored by Altor BioScience. Terminated at 4 sites in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2024-07-03.
Sponsored by Altor BioScience (part of ImmunityBio, Inc.) · Phase 1/2, Interventional, and Treatment
This is a Phase I/II, open-label, multi-center, competitive enrollment and dose escalation study of N-803 in patients with relapse/refractory indolent B cell non-Hodgkin lymphoma in conjunction with rituximab.
The purpose of this study is to evaluate the safety and tolerability, identify the Maximum Tolerated Dose (MTD) or the Minimum Efficacious Dose (MED) and designate a dose level for Phase 2. Also characterize the immunogenicity, pharmacokinetic profile, and biomarker serum levels of N-803 in treated patients.
The effect of N-803 on the peripheral absolute lymphocyte counts and white blood cell counts, the number, phenotype and repertoire of peripheral blood T (total and subsets) and NK cells will be evaluated. In addition, a subset of patients will be evaluated for changes in lymph node immune composition. Anti-tumor responses and survival data will also be collected in this trial.
4,347 studies on the registry are indexed under Recurrence; 1,004 are open to participants now.
This study's enrollment of 43 is below the median of 50 across 3,429 interventional studies indexed under Recurrence.
Browse Recurrence studies →Altor BioScience is the lead sponsor of 15 studies on the registry; none are open to participants now.
First submitted before Altor BioScience became part of ImmunityBio, Inc..
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DISEASE CHARACTERISTICS:
Histologically confirmed diagnosis of iNHL (Follicular lymphoma grade 1, 2, 3a; marginal zone lymphoma; small lymphocytic lymphoma or lymphoplasmacytic lymphoma) after treatment with at least 1 or more prior rituximab-containing regimens.
Measurable disease:
PRIOR/CONCURRENT THERAPY:
PATIENT CHARACTERISTICS:
Performance Status
Renal Function • Glomerular Filtration Rate (GFR) > 40mL/min or Serum creatinine ≤ 1.5 X ULN
Bone Marrow Reserve
Hepatic Function
Cardiovascular
Pulmonary
Other
Biological: Rituximab · Biological: N-803
Biological: Rituximab · Biological: N-803
Biological: Rituximab · Biological: N-803
Biological: Rituximab · Biological: N-803
Biological: Rituximab · Biological: N-803
Biological: Rituximab · Biological: N-803
Biological: Rituximab · Biological: N-803
Biological: Rituximab · Biological: N-803
Biological: Rituximab · Biological: N-803
MTD or MED of N-803: IV 1, 3, 6 μg/kg, SQ 6, 10, 15, 20 μg/kg
Maximum Tolerated Dose level (MTD) is defined as a dose level at which \<2 out of 6 patients experienced Dose Limiting Toxicity (DLT) and that is one level below a dose that was not tolerated. Minimal Efficacious Dose (MED) is defined as a dose level which produces an Absolute Lymphocyte Count (ALC) ≥25,000/μL sustained for 14 days or a total WBC ≥35,000/μL sustained for 14 days among 2/3 or 4/6 of patients. The elevated ALC cannot be attributed to circulating lymphoma cells. Dose levels for N-803 1, 3, 6 μg/kg IV, and 6, 10, 15, 20 μg/kg subcutaneous (SQ) were used to determine the MTD or MED.
Time frame: 9 months
Number of Participants With Treatment Emergent Adverse Events
Treatment Emergent Adverse Event is defined as any AE that begins or worsens in grade after the start of study treatment until 30 days after the last dose of study treatment or end of study period, whichever is later.
Time frame: 30 days after last dose, up to 40 weeks
Overall Response Rate
For Phase 1 and 2, overall response rate (ORR) will be calculated as the ratio of the number of patients who demonstrated response (CR+PR) divided by the number of patients in the Evaluable population. Response and disease progression criteria were defined by the 2007 IHP response assessments for malignant lymphoma.
Time frame: 60 months
| Milestone | Phase 1 Cohort 1: N-803 - IV 1 ug/kg | Phase 1 Cohort 2: N-803 - IV 3 ug/kg | Phase 1 Cohort 3: N-803 - IV 6 ug/kg | Phase 1 Cohort 4: N-803 - SQ 6 ug/kg | Phase 1 Cohort 5: N-803 - SQ 10 ug/kg | Phase 1 Cohort 6: N-803 - SQ 15 ug/kg | Phase 1 Cohort 7: N-803 - SQ 20 ug/kg | Phase 2 Cohort 1: Anti-CD20 mAb-sensitive N-803 - SQ 20 ug/kg | Phase 2 Cohort 2: Anti-CD20 mAb-refractory N-803 - SQ 20 ug/kg |
|---|---|---|---|---|---|---|---|---|---|
| Started | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 0 | 0 |
| Completed | 1 | 3 | 1 | 2 | 3 | 3 | 3 | 0 | 0 |
| Not completed | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 |
| Withdrew: Progressive disease | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| Withdrew: Adverse event | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Milestone | Phase 1 Cohort 1: N-803 - IV 1 ug/kg | Phase 1 Cohort 2: N-803 - IV 3 ug/kg | Phase 1 Cohort 3: N-803 - IV 6 ug/kg | Phase 1 Cohort 4: N-803 - SQ 6 ug/kg | Phase 1 Cohort 5: N-803 - SQ 10 ug/kg | Phase 1 Cohort 6: N-803 - SQ 15 ug/kg | Phase 1 Cohort 7: N-803 - SQ 20 ug/kg | Phase 2 Cohort 1: Anti-CD20 mAb-sensitive N-803 - SQ 20 ug/kg | Phase 2 Cohort 2: Anti-CD20 mAb-refractory N-803 - SQ 20 ug/kg |
|---|---|---|---|---|---|---|---|---|---|
| Started | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 9 |
| Completed | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 6 |
| Not completed | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
| Withdrew: Progressive disease | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
| Withdrew: Adverse event | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Withdrew: Failure to meet continuation criteria | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
Maximum Tolerated Dose level (MTD) is defined as a dose level at which \<2 out of 6 patients experienced Dose Limiting Toxicity (DLT) and that is one level below a dose that was not tolerated. Minimal Efficacious Dose (MED) is defined as a dose level which produces an Absolute Lymphocyte Count (ALC) ≥25,000/μL sustained for 14 days or a total WBC ≥35,000/μL sustained for 14 days among 2/3 or 4/6 of patients. The elevated ALC cannot be attributed to circulating lymphoma cells. Dose levels for N-803 1, 3, 6 μg/kg IV, and 6, 10, 15, 20 μg/kg subcutaneous (SQ) were used to determine the MTD or MED.
| SQ μg/kg | Phase 1 Cohort 7: N-803 - SQ 20 μg/kg |
|---|---|
| MTD or MED of N-803: IV 1, 3, 6 μg/kg, SQ 6, 10, 15, 20 μg/kg | 20 |
Treatment Emergent Adverse Event is defined as any AE that begins or worsens in grade after the start of study treatment until 30 days after the last dose of study treatment or end of study period, whichever is later.
| Participants | Phase 1 Cohort 1: N-803 - IV 1 ug/kg | Phase 1 Cohort 2: N-803 - IV 3 ug/kg | Phase 1 Cohort 3: N-803 - IV 6 ug/kg | Phase 1 Cohort 4: N-803 - SQ 6 ug/kg | Phase 1 Cohort 5: N-803 - SQ 10 ug/kg | Phase 1 Cohort 6: N-803 - SQ 15 ug/kg | Phase 1 Cohort 7: N-803 - SQ 20 ug/kg | Phase 2 Cohort 1: Anti-CD20 mAb-sensitive N-803 - SQ 20 ug/kg | Phase 2 Cohort 2: Anti-CD20 mAb-refractory N-803 - SQ 20 ug/kg |
|---|---|---|---|---|---|---|---|---|---|
| Phase 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | — | — |
| Phase 2 | — | — | — | — | — | — | — | 16 | 9 |
For Phase 1 and 2, overall response rate (ORR) will be calculated as the ratio of the number of patients who demonstrated response (CR+PR) divided by the number of patients in the Evaluable population. Response and disease progression criteria were defined by the 2007 IHP response assessments for malignant lymphoma.
| percentage of subjects | Phase 1 Cohort 1: N-803 - IV 1 ug/kg | Phase 1 Cohort 2: N-803 - IV 3 ug/kg | Phase 1 Cohort 3: N-803 - IV 6 ug/kg | Phase 1 Cohort 4: N-803 - SQ 6 ug/kg | Phase 1 Cohort 5: N-803 - SQ 10 ug/kg | Phase 1 Cohort 6: N-803 - SQ 15 ug/kg | Phase 1 Cohort 7: N-803 - SQ 20 ug/kg | Phase 2 Cohort 1: Anti-CD20 mAb-sensitive N-803 - SQ 20 ug/kg | Phase 2 Cohort 2: Anti-CD20 mAb-refractory N-803 - SQ 20 ug/kg |
|---|---|---|---|---|---|---|---|---|---|
| Phase 1 | 33 (0.8 to 90.6) | 33 (0.8 to 90.6) | 67 (9.4 to 99.2) | 33 (0.8 to 90.6) | 67 (9.4 to 99.2) | 67 (9.4 to 99.2) | 100 (29.2 to 100) | — | — |
| Phase 2 | — | — | — | — | — | — | — | 80 (51.9 to 95.7) | 33 (7.5 to 70.1) |
Collected over All AEs and SAEs were to be reported within 30 days of the last dose of study treatment, regardless of attribution, up to 40 weeks. All deaths were followed during the disease progression and survival follow-up period, up to 42 months.. Non-serious events are listed at a 5% frequency threshold.
| Group | Deaths | Serious | Other |
|---|---|---|---|
| Phase 1 Cohort 1: N-803 - IV 1 ug/kg | 0/3 (0%) | 0/3 (0%) | 3/3 (100%) |
| Phase 1 Cohort 2: N-803 - IV 3 ug/kg | 0/3 (0%) | 0/3 (0%) | 3/3 (100%) |
| Phase 1 Cohort 3: N-803 - IV 6 ug/kg | 0/3 (0%) | 1/3 (33.3%) | 3/3 (100%) |
| Phase 1 Cohort 4: N-803 - SQ 6 ug/kg | 0/3 (0%) | 1/3 (33.3%) | 3/3 (100%) |
| Phase 1 Cohort 5: N-803 - SQ 10 ug/kg | 0/3 (0%) | 0/3 (0%) | 3/3 (100%) |
| Phase 1 Cohort 6: N-803 - SQ 15 ug/kg | 0/3 (0%) | 0/3 (0%) | 3/3 (100%) |
| Phase 1 Cohort 7: N-803 - SQ 20 ug/kg | 0/3 (0%) | 1/3 (33.3%) | 3/3 (100%) |
| Phase 2 Cohort 1: Anti-CD20 mAb-sensitive N-803 - SQ 20 ug/kg | 0/16 (0%) | 3/16 (18.8%) | 16/16 (100%) |
| Phase 2 Cohort 2: Anti-CD20 mAb-refractory N-803 - SQ 20 ug/kg | 0/9 (0%) | 2/9 (22.2%) | 9/9 (100%) |
| Event | Phase 1 Cohort 1: N-803 - IV 1 ug/kg | Phase 1 Cohort 2: N-803 - IV 3 ug/kg | Phase 1 Cohort 3: N-803 - IV 6 ug/kg | Phase 1 Cohort 4: N-803 - SQ 6 ug/kg | Phase 1 Cohort 5: N-803 - SQ 10 ug/kg | Phase 1 Cohort 6: N-803 - SQ 15 ug/kg | Phase 1 Cohort 7: N-803 - SQ 20 ug/kg | Phase 2 Cohort 1: Anti-CD20 mAb-sensitive N-803 - SQ 20 ug/kg | Phase 2 Cohort 2: Anti-CD20 mAb-refractory N-803 - SQ 20 ug/kg |
|---|---|---|---|---|---|---|---|---|---|
| Small intestinal obstructionGastrointestinal disorders | 0/3 | 0/3 | 1/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/16 | 0/9 |
| Cerebrovascular accidentNervous system disorders | 0/3 | 0/3 | 0/3 | 1/3 | 0/3 | 0/3 | 0/3 | 0/16 | 0/9 |
| Urinary tract infectionInfections and infestations | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 1/3 | 1/16 | 0/9 |
| Pleural effusionRespiratory, thoracic and mediastinal disorders | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/16 | 1/9 |
| NeutropeniaBlood and lymphatic system disorders | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/16 | 1/9 |
| PyrexiaGeneral disorders | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/16 | 1/9 |
| Acute respiratory distress syndromeRespiratory, thoracic and mediastinal disorders | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 1/16 | 0/9 |
| Sinus node dysfunctionCardiac disorders | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 1/16 | 0/9 |
| AscitesGastrointestinal disorders | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 1/16 | 0/9 |
| Event | Phase 1 Cohort 1: N-803 - IV 1 ug/kg | Phase 1 Cohort 2: N-803 - IV 3 ug/kg | Phase 1 Cohort 3: N-803 - IV 6 ug/kg | Phase 1 Cohort 4: N-803 - SQ 6 ug/kg | Phase 1 Cohort 5: N-803 - SQ 10 ug/kg | Phase 1 Cohort 6: N-803 - SQ 15 ug/kg | Phase 1 Cohort 7: N-803 - SQ 20 ug/kg | Phase 2 Cohort 1: Anti-CD20 mAb-sensitive N-803 - SQ 20 ug/kg | Phase 2 Cohort 2: Anti-CD20 mAb-refractory N-803 - SQ 20 ug/kg |
|---|---|---|---|---|---|---|---|---|---|
| NauseaGastrointestinal disorders | 2/3 | 2/3 | 3/3 | 2/3 | 0/3 | 1/3 | 1/3 | 4/16 | 0/9 |
| VomitingGastrointestinal disorders | 1/3 | 2/3 | 3/3 | 1/3 | 0/3 | 1/3 | 0/3 | 0/16 | 0/9 |
| ChillsGeneral disorders | 2/3 | 3/3 | 2/3 | 3/3 | 3/3 | 3/3 | 3/3 | 12/16 | 6/9 |
| FatigueGeneral disorders | 1/3 | 2/3 | 3/3 | 1/3 | 1/3 | 3/3 | 3/3 | 7/16 | 6/9 |
| Injection site reactionGeneral disorders | 0/3 | 0/3 | 0/3 | 3/3 | 3/3 | 3/3 | 3/3 | 13/16 | 8/9 |
| PyrexiaGeneral disorders | 2/3 | 2/3 | 2/3 | 1/3 | 2/3 | 3/3 | 3/3 | 13/16 | 9/9 |
| Abdominal painGastrointestinal disorders | 1/3 | 1/3 | 2/3 | 0/3 | 0/3 | 0/3 | 0/3 | 0/16 | 0/9 |
| ConstipationGastrointestinal disorders | 0/3 | 1/3 | 1/3 | 1/3 | 1/3 | 2/3 | 1/3 | 2/16 | 2/9 |
| DiarrhoeaGastrointestinal disorders | 0/3 | 0/3 | 1/3 | 1/3 | 1/3 | 1/3 | 2/3 | 3/16 | 1/9 |
| Localised oedemaGeneral disorders | 0/3 | 0/3 | 0/3 | 0/3 | 0/3 | 2/3 | 1/3 | 1/16 | 0/9 |
| Age, Continuous(years) | Phase 1 Cohort 1: N-803 - IV 1 ug/kg | Phase 1 Cohort 2: N-803 - IV 3 ug/kg | Phase 1 Cohort 3: N-803 - IV 6 ug/kg | Phase 1 Cohort 4: N-803 - SQ 6 ug/kg | Phase 1 Cohort 5: N-803 - SQ 10 ug/kg | Phase 1 Cohort 6: N-803 - SQ 15 ug/kg | Phase 1 Cohort 7: N-803 - SQ 20 ug/kg | Phase 2 Cohort 1: Anti-CD20 mAb-sensitive N-803 - SQ 20 ug/kg | Phase 2 Cohort 2: Anti-CD20 mAb-refractory N-803 - SQ 20 ug/kg | Total |
|---|---|---|---|---|---|---|---|---|---|---|
| Phase 1 | 58.0 ± 1.00 | 64.7 ± 7.37 | 69.3 ± 8.39 | 60.0 ± 4.58 | 65.0 ± 10.44 | 68.3 ± 10.21 | 62.0 ± 3.61 | — | — | 63.9 ± 7.28 |
| Phase 2 | — | — | — | — | — | — | — | 59.5 ± 11.39 | 69.1 ± 12.54 | 63.0 ± 12.48 |
| Sex: Female, Male(Participants) | Phase 1 Cohort 1: N-803 - IV 1 ug/kg | Phase 1 Cohort 2: N-803 - IV 3 ug/kg | Phase 1 Cohort 3: N-803 - IV 6 ug/kg | Phase 1 Cohort 4: N-803 - SQ 6 ug/kg | Phase 1 Cohort 5: N-803 - SQ 10 ug/kg | Phase 1 Cohort 6: N-803 - SQ 15 ug/kg | Phase 1 Cohort 7: N-803 - SQ 20 ug/kg | Phase 2 Cohort 1: Anti-CD20 mAb-sensitive N-803 - SQ 20 ug/kg | Phase 2 Cohort 2: Anti-CD20 mAb-refractory N-803 - SQ 20 ug/kg | Total |
|---|---|---|---|---|---|---|---|---|---|---|
| Phase 1 — Female | 2 | 2 | 0 | 0 | 2 | 2 | 3 | — | — | 11 |
| Phase 1 — Male | 1 | 1 | 3 | 3 | 1 | 1 | 0 | — | — | 10 |
| Phase 2 — Female | — | — | — | — | — | — | — | 10 | 2 | 12 |
| Phase 2 — Male | — | — | — | — | — | — | — | 6 | 7 | 13 |
| Race (NIH/OMB)(Participants) | Phase 1 Cohort 1: N-803 - IV 1 ug/kg | Phase 1 Cohort 2: N-803 - IV 3 ug/kg | Phase 1 Cohort 3: N-803 - IV 6 ug/kg | Phase 1 Cohort 4: N-803 - SQ 6 ug/kg | Phase 1 Cohort 5: N-803 - SQ 10 ug/kg | Phase 1 Cohort 6: N-803 - SQ 15 ug/kg | Phase 1 Cohort 7: N-803 - SQ 20 ug/kg | Phase 2 Cohort 1: Anti-CD20 mAb-sensitive N-803 - SQ 20 ug/kg | Phase 2 Cohort 2: Anti-CD20 mAb-refractory N-803 - SQ 20 ug/kg | Total |
|---|---|---|---|---|---|---|---|---|---|---|
| Phase 1 — American Indian or Alaska Native | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Phase 1 — Asian | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Phase 1 — Native Hawaiian or Other Pacific Islander | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Phase 1 — Black or African American | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Phase 1 — White | 3 | 3 | 2 | 3 | 3 | 3 | 3 | 0 | 0 | 20 |
| Phase 1 — More than one race | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Phase 1 — Unknown or Not Reported | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Phase 2 — American Indian or Alaska Native | — | — | — | — | — | — | — | 0 | 0 | 0 |
| Phase 2 — Asian | — | — | — | — | — | — | — | 0 | 2 | 2 |
| Phase 2 — Native Hawaiian or Other Pacific Islander | — | — | — | — | — | — | — | 0 | 0 | 0 |
| Phase 2 — Black or African American | — | — | — | — | — | — | — | 0 | 1 | 1 |
| Phase 2 — White | — | — | — | — | — | — | — | 14 | 6 | 20 |
| Phase 2 — More than one race | — | — | — | — | — | — | — | 1 | 0 | 1 |
| Phase 2 — Unknown or Not Reported | — | — | — | — | — | — | — | 1 | 0 | 1 |
| Patients with relapse/refractory indolent B cell non-Hodgkin lymphoma(Participants) | Phase 1 Cohort 1: N-803 - IV 1 ug/kg | Phase 1 Cohort 2: N-803 - IV 3 ug/kg | Phase 1 Cohort 3: N-803 - IV 6 ug/kg | Phase 1 Cohort 4: N-803 - SQ 6 ug/kg | Phase 1 Cohort 5: N-803 - SQ 10 ug/kg | Phase 1 Cohort 6: N-803 - SQ 15 ug/kg | Phase 1 Cohort 7: N-803 - SQ 20 ug/kg | Phase 2 Cohort 1: Anti-CD20 mAb-sensitive N-803 - SQ 20 ug/kg | Phase 2 Cohort 2: Anti-CD20 mAb-refractory N-803 - SQ 20 ug/kg | Total |
|---|---|---|---|---|---|---|---|---|---|---|
| Phase 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | — | — | 21 |
| Phase 2 | — | — | — | — | — | — | — | 16 | 9 | 25 |
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Studies of the drugs tested here: Rituximab · Nogapendekin alfa inbakicept