- Robust enrollment of up to 5 patients per month continues in ongoing Phase 1b/2a next-generation CAR-T NXC-201 clinical trial in relapsed/refractory multiple myeloma and relapsed/refractory AL amyloidosis
- Nexcella on track to present 50-patient cohort multiple myeloma data later this year at a premier scientific forum
Los Angeles, Feb. 27, 2023 — Nexcella, Inc. (“Nexcella”, “Company”), a biopharmaceutical company engaged in the discovery and development of novel cell therapies for oncology and other indications and a subsidiary of Immix Biopharma, Inc. (NASDAQ: IMMX), today announced 50 relapsed/refractory multiple myeloma patients have already been dosed with next-generation CAR-T NXC-201 in its ongoing Phase 1b/2a clinical trial. Nexcella anticipates 100-patient open-label total enrollment to seek U.S. FDA BLA approval.
Robust enrollment of up to 5 patients per month continues in the NXC-201 ongoing Phase 1b/2a clinical trial. Nexcella is on track to present this 50-patient cohort multiple myeloma data later this year at a premier scientific forum.
“Few companies are as far advanced with the quantity and quality of patient data that we have at Nexcella in multiple myeloma and AL amyloidosis,” said Gabriel Morris, President of Nexcella. “50-patient data represents significant progress on our path to BLA submission to seek FDA approval of NXC-201.”
Ilya Rachman, M.D., Executive Chairman of Nexcella added, “There are waiting lists with thousands of patients across America who are currently unable to receive these life-saving multiple myeloma CAR-T therapies like NXC-201. Our team is working tirelessly to bring this groundbreaking treatment to patients in the U.S. and worldwide.”
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 from the ongoing Phase 1b 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 patients with 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)
- AL Amyloidosis – 100% organ response rate, 100% complete responses (MRD negativity 10-5), published for NXC-201 in 5 relapsed/refractory patients (Clinical Cancer Research https://doi.org/10.1158/1078-0432.CCR-22-0637, 5th European CAR-T cell meeting https://www.nexcella.com/publications/)
- The therapeutic dose of NXC-201 (800 million CAR+T cells) has already been established as the recommended Phase 2 dose (RP2D)
Additional information on NXC-201 clinical data as of October 23, 2022 is available here.
Immix Biopharma Subsidiary Nexcella, Inc. Presents 42-Patient Interim Data, with 90% Overall Response Rate in Relapsed or Refractory Multiple Myeloma at NXC-201 Therapeutic Dose from its Phase 1 Expansion Trial at the 5th European CAR T-cell Meeting
- The poster presents data for 42 patients with relapsed or refractory multiple myeloma who were treated with NXC-201 (formerly HBI0101), of which 29 received the therapeutic dose of 800 million CAR+T cells as of the data cutoff of October 23, 2022
- 90% overall response rate (ORR) was observed in 29 multiple myeloma patients receiving the therapeutic dose of NXC-201
- 17 of 29 (59%) of patients receiving the therapeutic dose reached complete response (CR) or stringent complete response (sCR)
- Cytokine release syndrome (CRS) was manageable and no neurotoxicity was observed
- The therapeutic dose of NXC-201 (800 million CAR+T cells) has been established as the recommended Phase 2 dose (RP2D)
- Data supports investigating NXC-201 as the first potential outpatient CAR-T cell therapy
LOS ANGELES, Feb. 09, 2023 — Nexcella, Inc. (“Nexcella”, “Company”, “We” or “Us”), a biopharmaceutical company engaged in the discovery and development of novel cell therapies for oncology and other indications and a subsidiary of Immix Biopharma, Inc. (NASDAQ: IMMX), today announced updated clinical data from its ongoing Phase 1 NEXICART-1 (NCT04720313) study of its novel, autologous, BCMA-targeted chimeric antigen receptor T (CAR-T) cell therapy NXC-201 for the treatment of patients with relapsed or refractory multiple myeloma and light chain amyloidosis (AL). The dataset represents 22 new evaluable patients in relapsed or refractory multiple myeloma and one new evaluable patient in AL (previous clinical data published in Haematologica 2022 and Clinical Cancer Research 2022). The new data are being presented during a poster presentation at the European Society for Blood and Marrow Transplantation and European Hematology Association 5th European CAR T-cell Meeting to be held in Rotterdam, Netherlands February 9-11, 2023.
“I am pleased to present promising NXC-201 efficacy data from our interim Phase 1 dataset, which brings us one step closer to meeting an urgent need for greater access to CAR-T therapies that can considerably shorten treatment waiting time for patients with relapsed or refractory multiple myeloma,” said Polina Stepensky, M.D., Director of the Hadassah Medical Organization’s Department of Bone Marrow Transplantation and Immunotherapy for Adults and Children and study investigator. “Also encouraging is that we have not yet reached median progression free survival or overall survival, which means that not only could we improve patient outcomes with efficacy, but we may be able to extend lives as well. I look forward to continuing to enroll patients in our ongoing NXC-201 clinical trial.”
As of the data cutoff of October 23, 2022, 42 multiple myeloma patients were evaluable for efficacy and safety. These patients comprised the dose escalation cohorts for the first dose level (150 million CAR+ T cells, n=6), the second dose level (450 million CAR+T cells, n=7), and a dose expansion cohort at the recommended Phase 2 dose (RP2D) of 800 million CAR+T cells (n=29). This dataset represents 22 new evaluable patients in relapsed or refractory multiple myeloma at the NXC-201 RP2D.
The interim NXC-201 data demonstrate potentially meaningful efficacy and durable responses in relapsed or refractory patients who have a poor prognosis.
- Of the 42 evaluable patients across all dose levels with median follow-up of 146 days (range, 18-314):
- 35 of 42 (83%) overall response rate (ORR) was achieved per International Myeloma Working Group criteria
- 21 of 42 (50%) patients achieved complete response (CR) or a stringent complete response (sCR)
- 34 of 42 (81%) patients achieved > very good partial response (VGPR)
- 1 of 42 (2%) patients achieved a partial response (PR)
- Improved outcomes were observed in the 29 relapsed or refractory multiple myeloma patients receiving the therapeutic dose of NXC-201 (800 million CAR+T cells):
- 90% ORR was achieved per International Myeloma Working Group criteria
- 17 of 29 (59%) patients achieved CR or sCR
- 25 of 29 (86%) patients achieved > VGPR
- 1 of 29 (4%) patients achieved a PR
- NXC-201 continues to be well-tolerated. Of the 42 evaluable patients:
- No cases of immune effector cell-associated neurotoxicity syndrome (ICANs)
- Low-grade CRS duration of median 2 days (range, 1-7 days) was observed, with the vast majority of CRS events starting on the day of infusion
“We are excited to present 42 patients of NXC-201 clinical trial data in Rotterdam. As of the data cutoff, 29 patients have been treated at our identified recommended phase 2 dose. We plan to continue to enroll additional NXC-201 patients at RP2D in Israel and expand to United States clinical trial sites,” said Gabriel Morris, President of Nexcella.
Ilya Rachman, M.D., Executive Chairman of Nexcella added: “These data continue to highlight meaningful, durable responses with a favorable tolerability profile. We believe NXC-201 could be the world’s first out-patient CAR-T. These results reinforce our plan to advance NXC-201 to BLA submission in 1H 2025.”
The poster can be accessed on the Nexcella corporate website at this link: https://www.nexcella.com/publications/