On December 28, 2022 Nexcella, Inc., a subsidiary of Immix Biopharma, Inc. (Nasdaq: IMMX) ("ImmixBio", "Company", "We" or "Us") reported that updated NXC-201 clinical data has been selected to be presented at the upcoming European Society for Blood and Marrow Transplantation and European Hematology Association (EHA) (Free EHA Whitepaper) 5th Annual European CAR T-cell Meeting to be held in Rotterdam, Netherlands February 9-11, 2023 (Press release, Immix Biopharma, DEC 28, 2022, View Source [SID1234625641]).

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"We are delighted to be presenting additional clinical data at the upcoming at European Society for Blood and Marrow Transplantation and European Hematology Association (EHA) (Free EHA Whitepaper) 5th Annual European CAR T-cell Meeting," said Polina Stepensky, MD, Director of the Hadassah Medical Organization’s Department of Bone Marrow Transplantation and Immunotherapy for Adults and Children, and principal study investigator. "As we continue to accumulate clinical data, we are learning more about the potential for this therapy to treat multiple myeloma and AL amyloidosis."

Posters to be presented:

"Point-of-care CART manufacture and delivery for the treatment of multiple myeloma and AL amyloidosis: the experience of Hadassah Medical Center"
Nexcella, Inc. previously announced that NXC-201 (formerly HBI0101) produced 85% overall response rate (ORR) and 71% complete response/stringent complete response (CR/sCR) at the therapeutic dose from the first 20 patients in an ongoing phase 1b/2a relapsed/refractory multiple myeloma ongoing clinical trial as of the June 27, 2022 data cutoff with a median of 6 (range, 3-13) prior lines of therapy. NXC-201 also produced 100% ORR and 100% organ response rate in 4 relapsed/refractory AL Amyloidosis patients as of the February 26, 2022 AL Amyloidosis manuscript publication date. In addition, zero neurotoxicity of any grade was observed and zero events of immune effector cell-associated neurotoxicity syndrome (ICANs) were observed with NXC-201 treatment. These data were published in Haematologica View Source (multiple myeloma) and Clinical Cancer Research View Source (AL amyloidosis).

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, all of which as of June 27, 2022 were triple-class refractory (to at least 1 immunomodulatory drug, 1 proteasome inhibitor and 1 anti-CD38 antibody).

The primary objective of the Phase 1b portion of the study, is to characterize the safety and confirm the Maximally Tolerated Dose (MTD) and Phase 2 dose of NXC-201. The Phase 2 portion of the study will evaluate the efficacy and safety of NXC-201 with endpoints of overall survival, progression-free survival and response rates according to International Myeloma Working Group (IMWG) Uniform Response Criteria.

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 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.

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.