Adaptimmune to Present Data Updates at Upcoming CTOS and SITC Meetings

On October 5, 2021 Adaptimmune Therapeutics plc (Nasdaq:ADAP), a leader in cell therapy to treat cancer, will present clinical and translational data from the Phase 2 SPEARHEAD-1 trial at the Connective Tissue Oncology Society (CTOS) meeting(Press release, Adaptimmune, OCT 5, 2021, View Source [SID1234590810]). The Company will also present translational data based on the patients for whom safety and efficacy were recently reported at ESMO (Free ESMO Whitepaper) from the Phase 1 SURPASS trial, as well as a data update from the four patients treated in the Radiation sub-study of the Phase 1 trial with afami-cel, at the Society for Immunotherapy of Cancer (SITC) (Free SITC Whitepaper) meeting. Abstracts are available online on the meetings’ web sites.

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"At CTOS, we will present clinical and translational data updates from our SPEARHEAD-1 trial. Data from this trial will form the basis of our first BLA submission next year for afami-cel in synovial sarcoma and MRCLS," said Elliot Norry, Adaptimmune’s Chief Medical Officer. "During SITC (Free SITC Whitepaper), we will present translational data from the SURPASS trial with our next-gen therapy ADP-A2M4CD8, as well as clinical data from a sub-study combining low-dose radiation with afami-cel. These two trials represent investigational approaches to improving the potency of our SPEAR T-cells. Understanding how we can continually enhance our T-cell therapies, so as to ultimately improve clinical outcomes for patients, is a key focus of our translational and early phase clinical research."

CTOS Meeting

Abstract Title: SPEARHEAD-1: A Phase 2 trial of afamitresgene autoleucel (formerly ADP-A2M4) in patients with advanced synovial sarcoma or myxoid/round cell liposarcoma (Abstract #1080870)
Oral presentation: November 12, 2021, in the Immunotherapy & Immune Microenvironment Session starting at 10:00 a.m. EST. Presenter: Dr. Brian Van Tine, Associate Professor of Medicine at Washington University School of Medicine in St. Louis

Abstract Title: SPEARHEAD-1 preliminary translational insights from a Phase 2 trial of afamitresgene autoleucel (formerly ADP-A2M4) in patients with advanced synovial sarcoma or myxoid/round cell liposarcoma (Abstract #1080366)

Poster Presentation: November 12, 2021, 2:30 p.m. – 3:15 p.m. EST during the Immunology & Immunotherapy Session. Presenter: Dr. Sandra D’Angelo, Medical Oncologist at Memorial Sloan Kettering Cancer Center
At CTOS, Adaptimmune will host its first virtual medical symposium on Thursday, November 11, 4:30-6:30 p.m. EST.

SITC meeting

Abstract Title: Enhancement of TCR-engineered T-cells targeting MAGE-A4 antigen by co-expression of CD8α and inhibition of AKT signaling during ex vivo T-cell expansion (Abstract #373)
Poster presentation: November 12-14, 2021, 7:00 a.m – 5:00 p.m. EST. Presenter: Alex Tipping, Adaptimmune
Abstract Title: Radiation sub-study to characterize safety and tolerability of low-dose radiation in combinations with afami-cel in patients with advanced cancers (Abstract #376)

Poster Presentation: November 12-14, 2021, 7:00 a.m. – 5:00 p.m. EST. Presenter: Dr. James W. Welsh, Professor, Department of Radiation Oncology, Division of Radiation Oncology, The University of Texas MD Anderson Cancer Center