ImmixBio Ships Tislelizumab for Patient Dosing in its Combination Clinical Trial with IMX-110 in Advanced Solid Tumors

• Tislelizumab supplied by BeiGene as part of ImmixBio’s Clinical Trial and Supply Agreement with BeiGene to Evaluate Combination of IMX-110 and Tislelizumab in Solid Tumors
• IMX-110 + Tislelizumab clinical trial data expected to be released on a rolling basis beginning in Q1 2023; once dosing begins, patients undergo CT scans every 8 weeks to assess tumor response to IMX-110 + Tislelizumab

LOS ANGELES, CA, Dec. 19, 2022 (GLOBE NEWSWIRE) — Immix Biopharma, Inc. (Nasdaq: IMMX) (“ImmixBio”, “Company”, “We” or “Us”), a biopharmaceutical company pioneering Tissue-Specific Therapeutics (TSTx)^TM targeting oncology and immuno-dysregulated diseases, today announced that it has shipped Good Manufacturing Practice (“GMP”) manufactured batches of Tislelizumab for clinical trial patient dosing. Tislelizumab, Beigene/Novartis anti-PD-1 antibody, will be combined with IMX-110 in a clinical trial for patients with advanced solid tumors. GMP manufactured IMX-110 was already released and shipped on December 12, 2022.

“Having shipped both IMX-110 and Tislelizumab to sites completes drug supply preparations and puts us on a launching pad for this exciting combination clinical trial,” said Ilya Rachman, MD PhD, CEO of ImmixBio. “We expect to begin reporting clinical data from this trial beginning in Q1 2023.”

About IMX-110

The U.S. Food and Drug Administration (“FDA”) has approved orphan drug designation (“ODD”) for IMX-110 for the treatment of soft tissue sarcoma. Additionally, the FDA has approved rare pediatric disease designation (“RPDD”) for IMX-110 for the treatment of a life-threatening pediatric cancer in children, rhabdomyosarcoma. RPDD qualifies ImmixBio to receive fast track review and a priority review voucher (PRV) at the time of marketing approval of IMX-110.  IMX-110 is currently being evaluated in a phase 1b/2a clinical trial in patients with advanced solid tumors. Learn more at www.immixbio.com/iMX-110

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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Contacts
Immix Biopharma, Inc.
Gabriel Morris
Chief Financial Officer

ir@immixbio.com
+1 (888) 958-1084