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NCT Number: NCT03430011

Study Evaluating the Safety and Efficacy of JCARH125 in Subjects With Relapsed and/or Refractory Multiple Myeloma

This is an open-label, multicenter, Phase 1/2 study to determine the safety and efficacy of JCARH125, a CAR T-cell product that targets B-cell maturation antigen (BCMA), in adult subjects with relapsed and/or refractory multiple myeloma. The study will include a Phase 1 part to determine the recommended dose of JCARH125 in subjects with relapsed and/or refractory multiple myeloma, followed by a Phase 2 part to further evaluate the safety and efficacy of JCARH125 at the recommended dose. The safety and tolerability of JCARH125 in subjects who receive prophylactic treatment with anakinra will be evaluated in a separate Phase 1 cohort. The antitumor activity of JCARH125 in subjects who have been previously treated with BCMA-directed therapy will be evaluated in separate Phase 2a cohorts.

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Key information

Conditions

Multiple Myeloma Blood Protein Disorders Cardiovascular Diseases Hematologic Diseases Hemic and Lymphatic Diseases Hemorrhagic Disorders Hemostatic Disorders Immune System Diseases Immunoproliferative Disorders Lymphoproliferative Disorders Neoplasms Neoplasms by Histologic Type Neoplasms, Plasma Cell Paraproteinemias Vascular Diseases

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1 / Phase 2

Primary location

Local Institution - 0006, Birmingham, Alabama, United States

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Key Inclusion Criteria:

  • Diagnosis of multiple myeloma (MM) with relapsed and/or refractory (R/R) disease. Participants must have received at least 3 prior anti-myeloma treatment regimens. Participants must have previously received all of the following therapies and must be refractory to the last line of therapy prior to entering the study (not applicable to Phase 2a):
  • Autologous stem cell transplant
  • A regimen that included an immunomodulatory agent (eg, thalidomide, lenalidomide, pomalidomide) and a proteasome inhibitor (eg, bortezomib, carfilzomib, ixazomib), either alone or in combination
  • Anti-CD38 (eg, daratumumab) as part of a combination regimen or as a monotherapy

Subjects who have received prior allogeneic stem cell transplant or donor lymphocyte infusion at least 100 days before enrollment with no signs of acute or chronic graft-versus-host disease (GVHD) will be considered eligible. Subjects who were not candidates to receive one or more of the above treatments (ie, contraindicated) are eligible.

  • Subjects must have measurable disease.
  • Subject must be willing to provide fresh bone marrow biopsy samples during Screening (and prior to study treatment, if required).
  • Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1
  • Adequate renal, bone marrow, hepatic, pulmonary, and cardiac function
  • Phase 2a cohorts only - Subjects with R/R MM who have been previously treated with prior BCMA-directed anti-myeloma therapy, achieved at least a partial response (PR) and progressed on the following treatment:
  • Subjects who have received prior BCMA-directed CAR T-cell therapy. The last CAR T-cell therapy must have been received at least 6 months prior to JCARH125 screening.
  • Subjects who have received prior BCMA-directed T-cell engager therapy.
  • Subjects who have received prior BCMA-directed antibody-drug conjugate therapy.

Exclusion criteria

  • Subjects with known active or history of CNS involvement by malignancy
  • Subjects with solitary plasmacytoma; active or history of plasma cell leukemia (PCL); Waldenstrom's macroglobulinemia; Polyneuropathy, Organomegaly, Endocrinopathy, Monoclonal plasmaproliferative disorder, Skin changes (POEMS) syndrome; or symptomatic amyloidosis
  • Subjects who are considered eligible to receive and have not refused an autologous stem cell transplant
  • History of another primary malignancy that has not been in remission for at least 3 years. The following are exempt from the 3-year limit: non-melanoma skin cancer, curatively treated localized prostate cancer, cervical carcinoma in situ on biopsy or a squamous intraepithelial lesion on Pap smear, and in situ breast cancer that has been completely resected.
  • Require systemic immunosuppressive therapies (eg, calcineurin inhibitors, methotrexate, mycophenolate, rapamycin, thalidomide, immunosuppressive antibodies such as anti-IL-6 or anti-IL-6 receptor [IL-6R])
  • Prior CAR T-cell or other genetically-modified T-cell therapy (not applicable for subjects enrolled in Phase 2a cohorts)
  • Prior treatment with a BCMA-targeted agent (not applicable for subjects enrolled in Phase 2a cohorts)
  • History or presence of clinically relevant CNS pathology such as epilepsy, seizure, paresis, aphasia, stroke, severe brain injuries, dementia, Parkinson's disease, cerebellar disease, organic brain syndrome, or psychosis
  • Untreated or active infection at time of initial screening, at the time of leukapheresis, within 72 hrs before lymphodepletion, or 5 days before JCARH125 infusion.
  • History of any of the following cardiovascular conditions within 6 months of screening: Class III or IV heart failure as defined by the New York Heart Association (NYHA), myocardial infarction, unstable angina, uncontrolled or symptomatic atrial arrhythmias, any ventricular arrhythmias, or other clinically significant cardiac disease
  • Subjects with known hypersensitivity to E Coli-derived proteins (only applicable to subjects in Phase 1 Anakinra Cohort)
  • History of severe immediate hypersensitivity reaction to any of the protocol-mandated or recommended agents used in this study

Treatment and study plan

JCARH125

Biological

Participants will undergo leukapheresis to isolate peripheral blood mononuclear cells (PBMCs) for the production of JCARH125. During JCARH125 production, participants may receive bridging chemotherapy for disease control. Following successful generation of JCARH125 product, participants will receive a course of lymphodepleting chemotherapy followed by one dose of JCARH125 administered intravenously (IV).

JCARH125 + anakinra

Biological

Participants will undergo leukapheresis to isolate PBMCs for the production of JCARH125. During JCARH125 production, participants may receive bridging chemotherapy for disease control. Following successful generation of JCARH125 product, participants will receive a course of lymphodepleting chemotherapy followed by two doses of anakinra administered subcutaneously and one dose of JCARH125 administered IV. Subjects receive anakinra for 5 consecutive days following JCARH125 infusion.

Primary outcomes

  1. Number of Participants With Dose-Limiting Toxicity (DLT) in Phase 1

    Time frame: From day 1 to day 22 following JCARH125 infusion (Up to 21 days)

    DLT is defined as adverse events (AEs) that occur within 21 days following JCARH125 infusion and meet any of the following criteria:

    • Treatment-emergent Grade ≥3 allergic reactions related to JCARH125;
    • Treatment-emergent Grade 3 seizures, regardless of attribution, that do not resolve to Grade ≤2 within 3 days in participants who have no evidence of central nervous system (CNS) involvement of Multiple Myeloma or other CNS pathology;
    • Treatment-emergent autoimmune toxicity Grade ≥3, regardless of attribution (excluding B-cell aplasia);
    • Treatment-emergent Grade 3 CRS that does not resolve to Grade ≤2 within 72 hours;
    • Any other treatment-emergent Grade 3 AE related to JCARH125 that does not resolve to Grade ≤2 within 7 days;
    • Any treatment-emergent Grade 4 AE related to JCARH125 that does not resolve to Grade ≤2 within 7 days;
    • Treatment-emergent Grade 4 Cytokine Release Syndrome of any duration;
    • Any treatment-emergent Grade 5 toxicity not due to the underlying malignancy

  2. Number of Participants With Treatment-Emergent Adverse Events (TEAEs) by Severity in Phase 1 and Phase 1 Anakinra

    Time frame: From the time of JCARH125 infusion to 90 days following the infusion (Up to 90 days)

    TEAE is defined as an AE that starts any time from initiation of JCARH125 administration through and including 90 days following the JCARH125 infusion graded using the NCI Common Terminology Criteria for Adverse Events (CTCAE), version 4.03. Any AE occurring after the initiation of another anticancer treatment will not be considered a TEAE. Grade 3=Severe; Grade 4=Life-threatening; and Grade 5=death.

  3. Number of Participants With Clinically Significant Laboratory Abnormalities by Severity in Phase 1 and Phase 1 Anakinra

    Time frame: From the time of JCARH125 infusion to 90 days following the infusion (Up to 90 days)

    Clinically significant laboratory abnormalities are assessed by investigator and are reported as treatment-emergent adverse event (TEAE). TEAE is defined as an AE that starts any time from initiation of JCARH125 administration through and including 90 days following the JCARH125 infusion graded by Common Terminology Criteria for Adverse Events (CTCAE), version 4.03. Any AE occurring after the initiation of another anticancer treatment is not considered a TEAE. Grade 3=Severe; Grade 4=Life-threatening.

  4. Number of Participants Receiving Prophylactic Anakinra With Grade ≥2 Cytokine Release Syndrome (CRS) in Phase 1 and Phase 1 Anakinra

    Time frame: From first infusion to up to aproximately 61 months

    Number of participants receiving prophylactic anakinra with grade ≥ 2 CRS relative to the number of participants treated at the recommended Phase 2 dose (RP2D) in the Phase 1 dose escalation portion of the trial with grade ≥ 2 CRS. CRS grade is defined by the most severe symptom (excluding fever). Grade 2=moderate; Grade 3=severe; Grade 4=life-threatening

  5. Time to Onset of Grade ≥2 Cytokine Release Syndrome (CRS) in Phase 1 and Phase 1 Anakinra

    Time frame: From JCARH125 infusion to the first onset of Grade ≥2 CRS (Up to approximately 61 months)

    Time to first onset of Grade ≥2 CRS in participants receiving prophylactic anakinra relative to onset of Grade ≥ 2 CRS in participants treated at the RP2D(s) in the Phase 1 dose escalation portion of the trial. Time to onset is calculated from the latest JCARH125 infusion prior to the first onset of Grade >= 2 CRS. CRS grade is defined by the most severe symptom (excluding fever). Grade 2=moderate; Grade 3=severe; Grade 4=life-threatening

  6. Number of Participants Receiving Prophylactic Anakinra With no Cytokine Release Syndrome (CRS) Occurring on Days 1-3 in Phase 1 Anakinra

    Time frame: Day 1, 2, 3

    The number of participants receiving prophylactic anakinra with no CRS occurring on study days 1, 2, or 3. CRS grade is defined by the most severe symptom (excluding fever). Grade 2=moderate; Grade 3=severe; Grade 4=life-threatening

  7. Overall Response Rate (ORR) in Phase 2 and Phase 2a

    Time frame: From the time of the JCARH125 infusion until disease progression, end of study, or the start of another anticancer therapy or stem cell transplant (Up to aproximately 61 months)

    ORR is defined as stringent complete response (sCR), complete response (CR), very good partial response (VGPR), or partial response (PR), according to IMWG criteria. Participants without any reported disease response assessments will be considered non-responders.

    sCR=complete response plus normal free light chain ratio and absence of clonal cells in bone marrow biopsy by immunohistochemistry; CR=negative immunofixation of serum and urine and disappearance of any soft tissue plasmacytomas and < 5% plasma cells in bone marrow aspirates. When the only method to measure disease is by serum FLC levels, CR can be defined as a normal FLC ratio of 0.26 to 1.65; VGPR=serum and urine M-protein detectable by immunofixation but not on electrophoresis or ≥ 90% reduction in serum M-protein level plus urine M-protein level < 100 mg/24 h; PR=≥ 50% reduction of serum M protein plus reduction in 24-hour urinary M-protein by ≥ 90% or to < 200 mg/24 h

Secondary outcomes

  1. Maximum Observed Concentration (Cmax)

    Time frame: From JCARH125 infusion through the day 29 visit

    Cmax is the maximal concentration of JCARH125 CAR T cells in the blood after its infusion as determined by quantitative polymerase chain reaction (qPCR) to detect the JCARH125 transgene.

  2. Time to Maximum Observed Concentration (Tmax)

    Time frame: From JCARH125 infusion through the day 29 visit

    Tmax is the first study day the maximum observed concetration (Cmax) of JCARH125 CAR T cells in the blood is reached as determined by quantitative polymerase chain reaction (qPCR) to detect the JCARH125 transgene.

  3. Area Under the Concertation-Time Curve (AUC) From Time Day 1 to Day 29 [AUC (0-28 Days)]

    Time frame: From JCARH125 infusion through 28 days after the infusion

    AUC (0-28) of JCARH125 CAR T cells in the blood as determined by quantitative polymerase chain reaction (qPCR) to detect the JCARH125 transgene.

  4. Number of Participants With Pharmacokinetics Persistence

    Time frame: Day 29, 60, 90, 180, 270, 365, 545, 730

    Pharmacokinetics persistence of JCARH125 CAR T cells in the blood as determined by quantitative polymerase chain reaction (qPCR) over time to detect the JCARH125 transgene. Persistence is defined as a transgene count greater than or equal to the lower limit of detection (LLOD).

  5. Overall Response Rate (ORR) in Phase 1 and Phase 1 Anakinra

    Time frame: From the time of the JCARH125 infusion until disease progression, end of study, or the start of another anticancer therapy or stem cell transplant (Up to 61 approximately months)

    ORR is defined as stringent complete response (sCR), complete response (CR), very good partial response (VGPR), or partial response (PR), according to IMWG criteria. Participants without any reported disease response assessments will be considered non-responders.

    sCR=complete response plus normal free light chain ratio and absence of clonal cells in bone marrow biopsy by immunohistochemistry; CR=negative immunofixation of serum and urine and disappearance of any soft tissue plasmacytomas and < 5% plasma cells in bone marrow aspirates. When the only method to measure disease is by serum FLC levels, CR can be defined as a normal FLC ratio of 0.26 to 1.65; VGPR=serum and urine M-protein detectable by immunofixation but not on electrophoresis or ≥ 90% reduction in serum M-protein level plus urine M-protein level < 100 mg/24 h; PR=≥ 50% reduction of serum M protein plus reduction in 24-hour urinary M-protein by ≥ 90% or to < 200 mg/24 h

  6. Complete Response Rate (CRR)

    Time frame: From the time of the JCARH125 infusion until disease progression, end of study, or the start of another anticancer therapy or stem cell transplant (Up to aproximately 61 months)

    CRR is defined as stringent complete response (sCR) or complete response (CR), according to IMWG criteria. Participants without any reported disease response assessments will be considered non-responders.

    sCR=complete response plus normal free light chain ratio and absence of clonal cells in bone marrow biopsy by immunohistochemistry; CR=negative immunofixation of serum and urine and disappearance of any soft tissue plasmacytomas and < 5% plasma cells in bone marrow aspirates

  7. Duration of Response (DoR) in Phase 2 and 2a

    Time frame: From first response to the date of progression or death due to any cause, whichever occurs first (Up to approixmately 61 months)

    DoR is defined as the time from first response (stringent complete response (sCR), complete response (CR), very good partial response (VGPR), or partial response (PR)) to the earlier date of progressive disease or death due to any cause.

    sCR=complete response plus normal free light chain ratio and absence of clonal cells in bone marrow biopsy by immunohistochemistry; CR=negative immunofixation of serum and urine and disappearance of any soft tissue plasmacytomas and < 5% plasma cells in bone marrow aspirates; VGPR=serum and urine M-protein detectable by immunofixation but not on electrophoresis or ≥ 90% reduction in serum M-protein level plus urine M-protein level < 100 mg/24 h; PR=≥ 50% reduction of serum M protein plus reduction in 24-hour urinary M-protein by ≥ 90% or to < 200 mg/24 h.

    Progressive disease is defined as (1) Increase of ≥25% from lowest confirmed response; (2) Appearance of a new lesion(s); (3) ≥50% increase in circulating plasma cells.

  8. Duration of Complete Response (DoCR) in Phase 2 and 2a

    Time frame: From first response to the date of progression or death due to any cause, whichever occurs first (Up to approixmately 61 months)

    DoCR is defined as the time from first response (stringent complete response (sCR), complete response (CR)) to the earlier date of progressive disease or death due to any cause.

    sCR=complete response plus normal free light chain ratio and absence of clonal cells in bone marrow biopsy by immunohistochemistry; CR=negative immunofixation of serum and urine and disappearance of any soft tissue plasmacytomas and < 5% plasma cells in bone marrow aspirates.

    Progressive disease is defined as (1) Increase of ≥25% from lowest confirmed response; (2) Appearance of a new lesion(s); (3) ≥50% increase in circulating plasma cells.

  9. Number of Participants With Treatment-Emergent Adverse Events (TEAEs) by Severity in Phase 2 and Phase 2a

    Time frame: From the time of JCARH125 infusion to 90 days following the infusion (Up to 90 days)

    TEAE is defined as an AE that starts any time from initiation of JCARH125 administration through and including 90 days following the JCARH125 infusion graded using the NCI Common Terminology Criteria for Adverse Events (CTCAE), version 4.03. Any AE occurring after the initiation of another anticancer treatment will not be considered a TEAE. Grade 3=Severe; Grade 4=Life-threatening; and Grade 5=death.

  10. Number of Participants With Clinically Significant Laboratory Abnormalities by Severity in Phase 2 and Phase 2a

    Time frame: From the time of JCARH125 infusion to 90 days following the infusion (Up to 90 days)

    Clinically significant laboratory abnormalities are assessed by investigator and are reported as treatment-emergent adverse event (TEAE). TEAE is defined as an AE that starts any time from initiation of JCARH125 administration through and including 90 days following the JCARH125 infusion graded by Common Terminology Criteria for Adverse Events (CTCAE), version 4.03. Any AE occurring after the initiation of another anticancer treatment is not considered a TEAE. Grade 3=Severe; Grade 4=Life-threatening.

  11. Overall Survival (OS) in Phase 2 and Phase 2a

    Time frame: Form date of first infusion to the date of death due to any reason (Up to apprixamtely 61 months)

    OS is defined as the time from the JCARH125 infusion until death due to any cause.

  12. Progression Free Survival (PFS) in Phase 2 and Phase 2a

    Time frame: Form date of first infusion to the date of disease progression, or death, due to any reason (Up to approximately 61 months)

    PFS is defined as the time from JCARH125 infusion until the earliest date of disease progression or death from any cause. Progressive disease (PD) is defined as (1) Increase of ≥25% from lowest confirmed response in one or more of the following: Serum M-protein absolute increase ≥0.5 g/dL; Serum M-protein increase ≥1 g/dL, if the lowest M component was ≥5 g/dL; Urine M protein absolute increase ≥200 mg/24 h; the difference between involved and uninvolved FLC levels absolute increase >10 mg/dL; Bone marrow plasma-cell percentage irrespective of baseline status absolute increase ≥10%. (2) Appearance of a new lesion(s), ≥50% increase from nadir in SPDd of >1 lesion, or ≥50% increase in the longest diameter of a previous lesion >1 cm in short axis. (3) ≥50% increase in circulating plasma cells (minimum of 200 cells μL) if this is the only measure of disease.

  13. Time to Response (TTR) in Phase 2 and Phase 2a

    Time frame: Form date of first infusion to the date of disease progression, or death, due to any reason (Up to approximately 61 months)

    TTR is defined from JCARH125 infusion to the first document of stringent complete response (sCR), complete response (CR), very good partial response (VGPR), or partial response (PR).

    sCR=complete response plus normal free light chain ratio and absence of clonal cells in bone marrow biopsy by immunohistochemistry; CR=negative immunofixation of serum and urine and disappearance of any soft tissue plasmacytomas and < 5% plasma cells in bone marrow aspirates; VGPR=serum and urine M-protein detectable by immunofixation but not on electrophoresis or ≥ 90% reduction in serum M-protein level plus urine M-protein level < 100 mg/24 h; PR=≥ 50% reduction of serum M protein plus reduction in 24-hour urinary M-protein by ≥ 90% or to < 200 mg/24 h.

    Progressive disease is defined as (1) Increase of ≥25% from lowest confirmed response; (2) Appearance of a new lesion(s); (3) ≥50% increase in circulating plasma cells.

  14. Time to Complete Response (TTCR) in Phase 2 and Phase 2a

    Time frame: Form date of first infusion to the date of disease progression, or death, due to any reason (Up to approximately 61 months)

    TTCR is defined from JCARH125 infusion to the first document of stringent complete response (sCR) or complete response (CR).

    sCR=complete response plus normal free light chain ratio and absence of clonal cells in bone marrow biopsy by immunohistochemistry; CR=negative immunofixation of serum and urine and disappearance of any soft tissue plasmacytomas and < 5% plasma cells in bone marrow aspirates.

    Progressive disease is defined as (1) Increase of ≥25% from lowest confirmed response; (2) Appearance of a new lesion(s); (3) ≥50% increase in circulating plasma cells.

  15. Change From Baseline in the Total Score of European Organization for Research and Treatment of Cancer Quality-of-Life Questionnaire (EORTC QLQ-C30) in Phase 2

    Time frame: Baseline and visit 24 month

    The EORTC QLQ-C30 is a 30-item scale composed of both multi-item scales and single-item measures such as functional scales (physical, role, cognitive, emotional, and social), global health status, symptom scales (fatigue, pain, nausea/vomiting), and other (dyspnoea, appetite loss, insomnia, constipation/diarrhea, and financial difficulties). Most questions used 4-point scale (1 'Not at All' to 4 'Very Much'); 2 questions used 7-point scale (1 'Very Poor' to 7 'Excellent'). Subscale scores are transformed to 0 to 100 scale, with higher scores on functional scales indicating better function and higher score on symptom scales indicating worse symptoms. Baseline is defined as the last non-missing measurement prior to JCARH125 infusion.

  16. Change From Baseline in the Total Score of European Organization for Research and Treatment of Cancer Quality-of-Life Questionnaire (QLQ-MY20) in Phase 2

    Time frame: Baseline and visit 24 month

    QLQ-MY20 includes 20 questions across four scales: disease symptoms, treatment side-effects, future perspective, and body image. Questions used 4-point scale (1 'Not at All' to 4 'Very Much'). Scores are averaged, and transformed to 0-100 scale; higher score for the disease symptoms scale = higher level of symptomatology.

  17. Change From Baseline (EQ-5D-5L) Index Score in Phase 2

    Time frame: Baseline and visit 24 month

    EQ-5D-5L is a standardized measure of health status that consists of descriptive system and Visual Analogue scale VAS). The descriptive system comprises dimensions (mobility, self-care, usual activities, pain/discomfort, anxiety/depression). Each dimension has 5 levels (no problems, slight problems, moderate problems, severe problems, extreme problems). Responses are coded so that a '1' indicates no problem, and '5' indicates the most serious problem. The responses for the dimensions are combined in a 5-digit number corresponding to response categories for successive dimensions using a scoring algorithm. The VAS system has endpoints labeled "the best health you can imagine" and "the worst health you can imagine." The scale is numbered from 0 to 100 with 0 corresponding to the worst imaginable health state and 100 corresponding to the best imaginable health state. A high score represents a better level of quality of life

  18. Duration of Hospitalization From JCARH125 Administration in Phase 2

    Time frame: From JCARH125 infusion to up to approximately 61 months

    Total length of all intensive care unit (ICU) and non-ICU stays from JCARH125 Administration. ICU inpatient and non-ICU inpatient are not exclusive. Total length includes participants who had multiple hospitalization stays.

  19. Reasons for Hospitalization From JCARH125 Administration in Phase 2

    Time frame: From JCARH125 infusion to up to approximately 61 months

    Number of participants with reasons for hospitalization from JCARH125 administration

Sponsors and collaborators

Lead sponsor

Juno Therapeutics, a Subsidiary of Celgene

Industry

Registry information

Official study title

Protocol H125001: An Open-Label Phase 1/2 Study of JCARH125, BCMA-targeted Chimeric Antigen Receptor (CAR) T Cells, in Subjects With Relapsed or Refractory Multiple Myeloma

Acronym: EVOLVE

Important dates

Study start
2018
Primary completion
2023
Study completion
2023
First posted
Feb 12, 2018
Registry last updated
May 24, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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