LOS ANGELES, April 04, 2023 (GLOBE NEWSWIRE) -- Nexcella Inc., a subsidiary of Immix Biopharma, Inc. (Nasdaq: IMMX) (“ImmixBio”, “Company”, “We” or “Us”) today announced that updated NXC-201 clinical data has been selected to be presented at the upcoming 49th annual meeting of the European Society for Blood and Marrow Transplantation (EBMT) to be held in Paris, France, 23-26 April 2023.
“We are delighted to present additional clinical data at the upcoming 49th annual meeting of the European Society for Blood and Marrow Transplantation,” said Polina Stepensky, M.D., Director of the Hadassah Medical Organization’s Department of Bone Marrow Transplantation and Immunotherapy for Adults and Children, and principal study investigator. “We are pleased to reach this milestone as we learn more about this promising therapy.”
Posters to be presented:
Title: “Point-of-care CART manufacture and delivery for the treatment of multiple myeloma and AL amyloidosis: the experience of Hadassah Medical Center”
Event: European Society for Blood and Marrow Transplantation 49th Annual Meeting
Dates: April 23-26, 2023
Location: Palais des Congrès de Paris, 2 Pl. de la Prte Maillot, 75017 Paris, France
Times: Sunday, April 23 08:30 – 19:20 CEST / Monday, April 24 09:00 – 18:00 CEST / Tuesday, April 25 09:00 – 18:00 CEST / Wednesday, April 26 08:30 – 14:15 CEST
Nexcella, Inc. previously announced that NXC-201 (formerly HBI0101) produced a 90% overall response rate (ORR) and 59% complete response/stringent complete response (CR/sCR) at the therapeutic dose from the first 42 patients in an ongoing phase 1b/2a relapsed/refractory multiple myeloma ongoing clinical trial as of the October 23, 2022 data cutoff. NXC-201 also produced 100% hematologic complete response rate and 100% organ response rate (cardiac, liver, renal) in 5 relapsed/refractory AL Amyloidosis patients as of the October 23, 2022 data cutoff. These data were published in Haematologica https://doi.org/10.3324/haematol.2022.281628 (multiple myeloma), Clinical Cancer Research https://doi.org/10.1158/1078-0432.CCR-22-0637 (AL amyloidosis), and presented at the European Society for Blood and Marrow Transplantation and European Hematology Association 5th Annual European CAR T-cell Meeting https://www.nexcella.com/publications .
Low-grade (grade 1/2) CRS duration of median 2 days with median onset of 1-day post-dosing (range, 1-5 days) at therapeutic dose in relapsed/refractory multiple myeloma points to NXC-201 potentially becoming the first and only out-patient CAR-T for Multiple Myeloma, AL Amyloidosis and other BCMA-positive malignancies.
About NEXICART-1
NEXICART-1 (NCT04720313) is an ongoing Phase 1b/2, open-label study evaluating the safety and efficacy of NXC-201 (formerly HBI0101) in adults with relapsed or refractory multiple myeloma and AL amyloidosis. The Phase 1b portion of the study has already established an expected recommended Phase 2 dose (RP2D) of 800 million CAR+T cells.
The expected primary endpoint for a pivotal study of NXC-201 will be overall response rate in multiple myeloma, and overall response rate in AL amyloidosis.
To date, 58 patients have been treated with NXC-201, 50 in multiple myeloma, and 8 in AL amyloidosis.
About NXC-201
NXC-201 (formerly HBI0101) is a BCMA-targeted investigational chimeric antigen receptor T (CAR-T) cell therapy that is being studied in a comprehensive clinical development program for the treatment of patients with relapsed or refractory multiple myeloma and AL amyloidosis. The design consists of a structurally differentiated CAR-T with our proprietary BCMA-targeting CAR which has demonstrated reduced toxicity in NEXICART-1, supporting investigating NXC-201 as an outpatient therapy.
- As of the October 23, 2022 data cutoff, updated clinical data in 47 patients from the ongoing Phase 1b/2a portion of the NEXICART-1 (NCT04720313) study of the novel, autologous, BCMA-targeted chimeric antigen receptor T (CAR-T) cell therapy NXC-201 for the treatment of relapsed or refractory multiple myeloma and light chain amyloidosis (AL) showed:
- Multiple Myeloma – 90% overall response rate (59% complete responses) for NXC-201 at the therapeutic dose in an ongoing 42-Patient Phase 1 expansion trial (Haematologica https://doi.org/10.3324/haematol.2022.281628, 5th European CAR-T cell meeting https://www.nexcella.com/publications/) in relapsed/refractory multiple myeloma. All patients treated with NXC-201 were triple-class refractory (to at least 1 immunomodulatory drug, 1 proteasome inhibitor and 1 anti-CD38 antibody).
- Additional data in 2023 demonstrated outpatient CAR-T treatment potential: cytokine release syndrome (CRS) median onset day zero; median CRS duration 1 day; no grade 4 CRS; only 1 grade 3 CRS across 42 relapsed/refractory multiple myeloma patients
- The expected primary endpoint for a pivotal study of NXC-201 in relapsed/refractory multiple myeloma is overall response rate.
- AL Amyloidosis – 100% organ response rate (cardiac, renal, liver), 100% complete hematologic responses (MRD negativity 10-5), for NXC-201 in 8 relapsed/refractory AL Amyloidosis patients, of which the initial cohort was presented at the 5th European CAR-T cell meeting https://www.nexcella.com/publications/, and published in Clinical Cancer Research https://doi.org/10.1158/1078-0432.CCR-22-0637,
- The expected primary endpoint for a pivotal study of NXC-201 in relapsed/refractory AL Amyloidosis is overall response rate.
- The expected therapeutic dose of NXC-201 (800 million CAR+T cells) has already been established as the recommended Phase 2 dose (RP2D) for both multiple myeloma and AL amyloidosis.
Additional information on NXC-201 multiple myeloma clinical data as of October 23, 2022 is available here.
About Multiple Myeloma
Multiple myeloma (“MM”) is an incurable blood cancer of plasma cells that starts in the bone marrow and is characterized by an excessive proliferation of these cells. Despite initial remission, unfortunately, most patients are likely to relapse. There are 34,470 patients in the United States diagnosed with MM each year. Prognosis for patients who do not respond to or relapse after treatment with standard therapies, including protease inhibitors and immunomodulatory agents remains poor. The $13.9 billion Multiple Myeloma market in 2017 is expected to reach $28.7 billion in 2027 according to Wilcock, et al. Nature Reviews.
About AL Amyloidosis
AL amyloidosis is a rare systemic disorder caused by an abnormality of plasma cells in the bone marrow. Misfolded amyloid proteins produced by plasma cells cause buildup in and around tissues, nerves and organs, gradually affecting their function. This can cause progressive and widespread organ damage, and high mortality rates.
AL amyloidosis affects roughly 30,000 – 40,000 patients in total throughout the U.S. and Europe, and it is estimated that there are approximately 3,000 – 4,000 new cases of AL amyloidosis annually in the U.S. The annual global incidence of AL Amyloidosis is ~15,000 patients. The Amyloidosis market was $3.6 billion in 2017, expected to reach $6 billion in 2025, according to Grand View Research.
About Nexcella, Inc.
Nexcella, Inc., a 98%-owned subsidiary of Immix Biopharma, Inc (NASDAQ:IMMX) (as of January 2023), is a clinical-stage biopharmaceutical company engaged in the discovery and development of novel cell therapies for oncology and other indications. Our lead candidate, CAR-T NXC-201, is currently in Phase 1b/2 clinical trials for relapsed/refractory multiple myeloma and AL amyloidosis, with 58 patients treated as of March 23, 2023. Our N-GENIUS platform allows us to discover, develop, and manufacture cutting-edge cell therapies for patients in need. To learn more about Nexcella, Inc. visit us at www.nexcella.com.
About Immix Biopharma, Inc.
Immix Biopharma, Inc. (ImmixBio™) (Nasdaq: IMMX) is a clinical-stage biopharmaceutical company pioneering a novel class of Tissue-Specific Therapeutics (TSTx)™ targeting oncology and immuno-dysregulated diseases. Our proprietary SMARxT Tissue-Specific™ Platform produces drug candidates that circulate in the bloodstream, exit through tumor blood vessels and simultaneously attack all 3 components of the tumor micro-environment (TME). We believe ImmixBio’s TME Normalization™ technology severs the lifelines between the tumor and its metabolic and structural support. Learn more at www.immixbio.com
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