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Immix Biopharma: 89% Complete Response in Trial

Four patients are pending complete-response assessments, and their MRD-negativity could bring the response rate to up to 98%.

(High)

Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

Form Type
8-K

Rhea-AI Filing Summary

Immix Biopharma, Inc. (IMMX) reported an interim Phase 2 NEXICART-2 update: NXC-201 produced an 89% (40/45) complete response rate across all 45 enrolled patients, as assessed by an independent review committee. All 25 new patients were either in complete response or MRD-negative: 21 were in complete response and four were MRD-negative. Immix said bone-marrow MRD-negativity in four pending patients could bring the complete response rate to up to 98% (44/45). All patients who achieved MRD-negativity reached complete response within one year of treatment.

No relapses have been observed to date among patients who reached complete response or MRD-negativity, and no neurotoxicity or enterocolitis has been observed to date. Safety data through August 4, 2026, were generally consistent with previous NEXICART-2 safety data. The final readout and BLA submission are planned for mid-2027.

1 point · 1 major

How this balance works

Rhea-AI gives every point it takes from this document a weight. Minor counts 1, Moderate 3 and Major 9, so one Major point outweighs several Minor ones. The bar adds up the weights on each side, and when neither side holds more than 65% of the total the balance reads Mixed.

It reads the document as published, with the same rules for every company, and it does not look at what the market expected or at how the stock traded, so a point can be objectively good on a day the stock falls.

Rhea-AI Sentiment measures something else, the tone of the wording.

0 major · 0 points

How the balance works

Positive

  • Major pointNEXICART-2 reported an 89% (40/45) complete response rate.

Negative

  • None.

Insights

Analyzing...

Item 7.01 Regulation FD Disclosure Disclosure
Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.
Item 8.01 Other Events Other
Voluntary disclosure of events the company deems important to shareholders but not covered by other items.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, or exhibit attachments filed with this report.
Complete response rate 89% (40/45 patients) Across NEXICART-2; assessed by an independent review committee
New-patient response status 25 patients: 21 in complete response; 4 MRD-negative New relapsed/refractory AL Amyloidosis patients
Potential complete response rate Up to 98% (44/45 patients) Potential rate described for four pending patients already MRD-negative
Trial enrollment 45 patients NEXICART-2 Phase 2 trial
Final readout and BLA submission Planned mid-2027 NEXICART-2
minimum residual disease medical
"already minimum residual disease (“MRD”)-negative"
Minimum residual disease (MRD) is the small number of cancer cells that can remain in the body after treatment, often too few to cause symptoms but detectable with sensitive lab tests. For investors, MRD matters because it predicts the risk of relapse, influences how well a therapy or diagnostic performs in clinical trials, and can affect regulatory decisions and market value much like a smoke alarm indicating a hidden fire risk in a building.
MRD-negativity medical
"MRD-negativity in bone marrow predicts future CR"
MRD-negativity means that highly sensitive tests cannot detect any remaining cancer cells after treatment, effectively showing no measurable disease left. Think of it like using a magnifying glass to confirm a fire has no glowing embers; reaching MRD-negativity often predicts better long-term outcomes, can be used by regulators as evidence of drug benefit, and therefore influences the commercial prospects and valuation of therapies for investors.
sterically-optimized CAR-T technical
"sterically-optimized CAR-T NXC-201"
registrational design regulatory
"with a registrational design"
BLA submission regulatory
"final readout and BLA submission planned mid-2027"
A BLA submission is a company’s formal application to the U.S. Food and Drug Administration asking for permission to market a biologic drug or therapy. Think of it like applying for a permit to sell a complex medical product: the agency reviews safety, effectiveness, and manufacturing quality before deciding. For investors, a BLA filing signals a late-stage regulatory milestone that can reduce uncertainty and, if approved, unlock revenue and change a company’s valuation, while also carrying regulatory and timing risk.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What complete response rate did IMMX report for NEXICART-2?

NXC-201 produced an 89% (40/45) complete response rate across all 45 NEXICART-2 patients, as assessed by an independent review committee.

How long after MRD-negativity did patients reach complete response?

Immix reported that all patients who achieved MRD-negativity reached complete response within one year of treatment.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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false 0001873835 0001873835 2026-09-29 2026-09-29 iso4217:USD xbrli:shares iso4217:USD xbrli:shares

 

 

 

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

 

FORM 8-K

 

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

the Securities Exchange Act of 1934

 

Date of report (Date of earliest event reported): September 29, 2026

 

IMMIX BIOPHARMA, INC.

(Exact Name of Registrant as Specified in Its Charter)

 

Delaware   001-41159   45-4869378

(State or Other Jurisdiction

of Incorporation)

 

(Commission

File Number)

 

(I.R.S. Employer

Identification Number)

 

11400 West Olympic Blvd., Suite 200

Los Angeles, CA 90064

(Address of principal executive offices)

 

(310) 651-8041

(Registrant’s telephone number, including area code)

 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligations of the registrant under any of the following provisions.

 

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
   
☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14d-2(b)
   
☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)
   
☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)

 

Securities registered pursuant to Section 12(b)of the Act:

 

Title of each class   Trading Symbol(s)   Name of each exchange on which registered
Common Stock, par value of $0.0001 per share   IMMX   The Nasdaq Stock Market LLC

 

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

 

Emerging growth company ☒

 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

 

 

 

 

 

 

Item 7.01 Regulation FD Disclosure.

 

On September 29, 2026, Immix Biopharma, Inc. (the “Company”) issued a press release announcing that across all forty-five relapsed/refractory light chain (“AL”) Amyloidosis patients enrolled in the Phase 2 NEXICART-2 clinical trial, NXC-201 has produced an 89% (40/45) complete response (“CR”) rate. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K (this “Current Report”).

 

In accordance with General Instruction B.2 of Form 8-K, the information in Item 7.01 of this Current Report and Exhibit 99.1 attached hereto shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any registration statement or other document filed under the Securities Act of 1933, as amended (the “Securities Act”), or the Exchange Act, except as shall be expressly set forth by specific reference in such filing. In addition, the information set forth under this Item 7.01, including Exhibit 99.1, shall not be deemed an admission as to the materiality of any information in this Current Report.

 

Item 8.01 Other Events.

 

On September 29, 2026, the Company announced an update from the Phase 2 NEXICART-2 clinical trial, including positive results of an 89% (40/45) complete response (“CR”) rate across all forty-five relapsed/refractory AL Amyloidosis patients enrolled in the trial, as assessed by an independent review committee. Additionally, all twenty-five of the new relapsed/refractory AL Amyloidosis patients are either in CR or already minimum residual disease (“MRD”)- negative. To-date, all patients achieving MRD-negativity reached CR within one year of treatment. In four pending patients that are already MRD-negative, MRD-negativity in bone marrow predicts future CR, potentially increasing future CR rate up to 98% (44/45). No relapses have been observed to date for patients who reached CR or MRD-negativity. No neurotoxicity or enterocolitis has been observed to date. Safety data through August 4, 2026 has been generally consistent with previous safety data observed and reported in NEXICART-2 trial. NEXICART-2 is a fully enrolled, 45-patient multi-site U.S. Phase 2 clinical trial of sterically-optimized CAR-T NXC-201 in patients with relapsed/refractory AL Amyloidosis, with a registrational design. The NEXICART-2 final readout and BLA submission are planned in mid-2027.

 

Cautionary Note Regarding Forward-Looking Statements

 

This Current Report contains “forward-looking” statements within the meaning of the Securities Act, the Exchange Act and of the “safe harbor” provisions of the Private Securities Litigation Reform Act of 1995, including, but not limited to statements relating to the MRD-negativity potentially increasing the future CR rate up to 98% ; NEXICART-2 final readout and BLA submission planned in 2027; the potential benefits of our product candidate NXC-201 and the timing and results related to clinical trials. All statements other than statements of historical fact are statements that could be deemed forward-looking statements. The words “believes,” “anticipates,” “estimates,” “plans,” “expects,” “intends,” “may,” “could,” “should,” “potential,” “likely,” “projects,” “continue,” “will,” “schedule,” and “would” and similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain these identifying words. These forward-looking statements are predictions based on the Company’s current expectations and projections about future events and various assumptions, including without limitation regarding the timing and results of the Company’s clinical trials, and the regulatory landscape. Forward-looking statements are subject to risks and uncertainties that may cause the Company’s actual activities or results to differ significantly from those expressed in any forward-looking statement, including risks and uncertainties described herein, under the heading “Risk Factors” in the Company’s Annual Report on Form 10-K for the year ended December 31, 2025, its Quarterly Reports on Form 10-Q and other documents that the Company files from time to time with the SEC. The forward-looking statements in this Current Report speak only as of the date hereof, the Company undertakes no obligation to revise or update any forward-looking statements to reflect events or circumstances after the date hereof, except as may be required by law.

 

Item 9.01 Financial Statements and Exhibits.

 

The following exhibits are furnished with this Current Report on Form 8-K:

 

(d) Exhibits.

 

Exhibit No.   Description
99.1   Press Release, dated September 29, 2026.
104   Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.

 

 

 

 

 

SIGNATURES

 

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

 

  Immix Biopharma, Inc.
   
Dated: September 29, 2026 /s/ Ilya Rachman
  Ilya Rachman, Ph.D., M.D.
  Chief Executive Officer

 

 

 

 

Exhibit 99.1

 

Immix Biopharma Announces 89% Complete Response Rate at Interim Update Across All NEXICART-2 Patients, with MRD-Negativity Indicating Potential to Reach up to 98% Complete Response Rate, Supporting Potential Best-in-Class Therapy for Relapsed/Refractory AL Amyloidosis

 

– 100% (25/25) of new patients are either in complete response (CR) or MRD-negative (21/25 are in CR; remaining 4/25 are MRD-negative) –

 

– To-date, all patients achieving MRD-negativity reached CR within one year of treatment –

 

– Across all forty-five patients, NXC-201 produced an 89% (40/45) CR rate as assessed by independent review committee –

 

– In four pending patients that are already MRD-negative, MRD-negativity in bone marrow predicts future CR, potentially increasing future CR rate up to 98% (44/45) –

 

– No relapses observed for any patient who reached CR or MRD-negativity to-date –

 

– No neurotoxicity or enterocolitis has been observed to-date –

 

– NEXICART-2 final readout and BLA submission planned mid-2027 –

 

– Virtual investor event today Sep 29 at 8:00am ET: https://events.q4inc.com/attendee/484851283/ –

 

LOS ANGELES, Sep 29, 2026 (GLOBE NEWSWIRE) – Immix Biopharma, Inc. (“ImmixBio”, “Company”, “We” or “Us” or “IMMX”), a global leader in relapsed/refractory AL Amyloidosis, today announced positive results of an 89% (40/45) complete response (CR) rate in an interim update across all forty-five NEXICART-2 patients, advancing NXC-201 as a potential best-in-class therapy for AL Amyloidosis. All twenty-five new relapsed/refractory AL Amyloidosis patients are either in complete response (CR) or already minimum residual disease (MRD)-negative. To-date, all patients achieving MRD-negativity reached CR within one year of treatment. Across all forty-five patients, NXC-201 produced an 89% (40/45) CR rate as assessed by independent review committee. In four pending patients that are already MRD-negative, MRD-negativity in bone marrow predicts future CR, potentially increasing future CR rate up to 98% (44/45). No relapses to date have been observed for any patient who reached CR or MRD-negativity to-date. No neurotoxicity or enterocolitis has been observed to-date. NEXICART-2 final readout and BLA submission are planned in 2027.

 

“Today, patients with AL Amyloidosis face years of burdensome, continuous treatment. As a potential one-and-done treatment option, NXC-201 could liberate patients from that burden,” said Ilya Rachman, MD, PhD, Chief Executive Officer of Immix Biopharma, adding: “We are thrilled with NXC-201’s magnitude of effect across a broad range of relapsed/refractory AL Amyloidosis patients in NEXICART-2.” Gabriel Morris, President of Immix Biopharma, added, “NXC-201’s complete response rate continues to increase over time, even as reported patient counts have now more than doubled. We look forward to final readout, BLA submission and potentially making NXC-201 available to relapsed/refractory AL Amyloidosis patients at commercial launch.”

 

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Investor Webcast and Conference Call Information

 

The Company will host a conference call to discuss these data at 8:00 a.m. ET today, Sep 29, 2026. The live webcast can be accessed at https://events.q4inc.com/attendee/484851283/ or under “Events & Presentations” in the Investors section of the company’s website at www.immixbio.com. The webcast will be available for replay on the company website. Analysts who wish to join the teleconference and participate in Q&A should register at the link above.

 

About NEXICART-2

 

NEXICART-2 (NCT06097832) is a multi-site U.S. Phase 2 clinical trial of sterically-optimized CAR-T NXC-201 in relapsed/refractory AL Amyloidosis, with a registrational design. NEXICART-2 is a 45-patient study.

 

About AL Amyloidosis

 

AL amyloidosis is a devastating disease where the immune system, that’s supposed to protect, instead continuously produces toxic light chains, clogging up the heart, kidney and liver, causing organ failure and death.

 

The number of patients in the U.S. with relapsed/refractory AL Amyloidosis is estimated to be growing at 12% per year according to Staron, et al Blood Cancer Journal, to approximately 30,506 patients in 2026.

 

The Amyloidosis market was $6.2 billion in 2025, and is expected to reach $6.6 billion in 2026, according to Grand View Research.

 

About NXC-201

 

NXC-201 is a sterically-optimized BCMA-targeted chimeric antigen receptor T (CAR-T) cell therapy with a proprietary CD3ζ, CD8 hinge and binder “digital filter” designed to filter out non-specific activation. NXC-201 teaches the immune system to recognize and eliminate the source of the toxic light chains. NXC-201 has been awarded Breakthrough Therapy Designation (BTD) and Regenerative Medicine Advanced Therapy (RMAT) by the FDA, and Orphan Drug Designation (ODD) by the US FDA and in the EU by the EMA.

 

About Immix Biopharma, Inc.

 

Immix Biopharma, Inc. (ImmixBio) (Nasdaq: IMMX) is a global leader in AL Amyloidosis. AL Amyloidosis is a devastating disease where the immune system, that’s supposed to protect, instead produces toxic light chains, clogging up the heart, kidney and liver, causing organ failure and death. Our lead candidate is sterically-optimized BCMA-targeted chimeric antigen receptor T (CAR-T) cell therapy NXC-201 with a proprietary CD3ζ, CD8 hinge and binder “digital filter” designed to filter out non-specific activation. NXC-201 teaches the immune system to recognize and eliminate the source of the toxic light chains. NXC-201 is being evaluated in the U.S. multi-center study for relapsed/refractory AL Amyloidosis NEXICART-2 (NCT06097832), with a potentially registrational design. NXC-201 has been awarded Breakthrough Therapy Designation (BTD) and Regenerative Medicine Advanced Therapy (RMAT) by the US FDA and Orphan Drug Designation (ODD) by FDA and in the EU by the EMA.

 

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Forward Looking Statements

 

This press release contains forward-looking statements regarding Immix Biopharma, Inc., its results of operations, prospects, future business plans and operations and the matters discussed above, including, but not limited to, statements relating to NEXICART-2 final readout and BLA submission planned in mid-2027; making NXC-201 available to patients at commercial launch, if approved; the size of the AL Amyloidosis market; the potential benefits of our product candidate NXC-201 and the timing and results related to clinical trials. These statements involve risks and uncertainties, and actual results may differ materially from any future results expressed or implied by the forward-looking statements. Forward-looking statements also include, but are not limited to, our plans, objectives, expectations and intentions and other statements that contain words such as “expects”, “contemplates”, “anticipates”, “plans”, “intends”, “believes”, “estimates”, “potential”, and variations of such words or similar expressions that convey the uncertainty of future events or outcomes, or that do not relate to historical matters. Those forward-looking statements involve known and unknown risks, uncertainties and other factors that could cause actual results to differ materially. Among those factors are: (i) the risk that the estimates for the number of patients in the U.S. with relapsed/refractory AL Amyloidosis and the market size reaching not being accurate; (ii) the risk that Breakthrough Therapy designation will not expedite the development of NXC-201: (iii) the risk that further data from the ongoing Phase 1/2 clinical trials for NXC-201 will not be favorably consistent with the data readouts to date, (iv) the risk that the Company may not be able to continue the NEXICART-2 multi-site U.S. Phase 1/2 clinical trial; (v) the risk that the Company may not be able to advance to registration-enabling studies for CAR-T NXC-201 or other product candidates, (vi) that success in early phases of pre-clinical and clinicals trials do not ensure later clinical trials will be successful; (vii) that no drug product developed by the Company has received FDA pre-market approval or otherwise been incorporated into a commercial drug product, (viii) the risk that the Company may not be able to obtain additional working capital with which to continue the clinical trials for NXC-201, or advance to the initiation of registration-enabling studies, for such product candidates as and when needed and (ix) those other risks disclosed in the section “Risk Factors” included in the Company’s Annual Report on Form 10-K filed with the SEC on March 25, 2026 and other periodic or current reports subsequently filed with the Securities and Exchange Commission. These reports are available at www.sec.gov. Immix Biopharma cautions that the foregoing list of important factors is not complete. Immix Biopharma cautions readers not to place undue reliance on any forward-looking statements. Immix Biopharma does not undertake, and specifically disclaims, any obligation to update or revise such statements to reflect new circumstances or unanticipated events as they occur, except as required by law. If we update one or more forward-looking statements, no inference should be drawn that we will make additional updates with respect to those or other forward-looking statements.

 

Contacts

 

Mike Moyer

LifeSci Advisors

mmoyer@lifesciadvisors.com

 

Company Contact

 

irteam@immixbio.com

 

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