A2B530 CAR T Therapy for Solid Cancers

(EVEREST-1 Trial)

Not currently recruiting at 10 trial locations
AB
KL
CT
MU
WW
Overseen ByWen-Kai Weng, MD, PhD
Age: 18+
Sex: Any
Trial Phase: Phase 1 & 2
Sponsor: A2 Biotherapeutics Inc.
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)
Approved in 1 JurisdictionThis treatment is already approved in other countries

What You Need to Know Before You Apply

What is the purpose of this trial?

This trial tests a new treatment called A2B530, a type of CAR T-cell therapy, for individuals with certain solid cancers such as colorectal, pancreatic, and lung cancer. The first phase aims to determine the safest dose, while the second phase evaluates its effectiveness in targeting cancer cells without harming healthy ones. It suits those whose tumors express a specific protein (CEA) and who have not succeeded with other treatments. Participants should have tumors that cannot be surgically removed or treated with standard therapies. They must be willing to adhere to the study's schedule, including safety follow-ups. As a Phase 1 trial, the research focuses on understanding how the treatment works in people, offering participants the chance to be among the first to receive this new therapy.

Will I have to stop taking my current medications?

The trial does not specify if you need to stop taking your current medications, but it does mention that you cannot have had cancer therapy within 3 weeks or 3 half-lives of the A2B530 infusion. It's best to discuss your specific medications with the trial team.

Is there any evidence suggesting that A2B530 CAR T therapy is likely to be safe for humans?

Research has shown that A2B530, a new CAR T-cell therapy, could be promising for treating solid tumors, with a focus on safety. Early studies found that this treatment aims to avoid common problems with CAR T therapies, such as mistakenly attacking healthy cells, known as on-target, off-tumor toxicity.

In these studies, researchers tested A2B530 on patients with solid tumors, including colorectal, pancreatic, and lung cancers. The treatment was generally well-tolerated. Some patients experienced side effects, but these are common with many new treatments and are closely monitored by the researchers.

Overall, these early findings suggest that A2B530 is safe for humans, with the goal of finding the best dose that balances effectiveness and safety. However, ongoing studies are essential to fully understand its safety.12345

Why are researchers excited about this possible treatment for solid cancers?

Researchers are excited about A2B530 CAR T Therapy because it represents a new way to tackle solid cancers. Unlike traditional treatments like chemotherapy or radiation, A2B530 uses engineered T-cells, which are part of the immune system, to specifically target and attack cancer cells. This method not only aims to enhance precision in targeting tumors but also minimizes damage to healthy cells. The single-dose administration post-preconditioning lymphodepletion suggests a potentially quicker and more focused therapeutic action, which is a promising advancement over existing options.

What evidence suggests that A2B530 might be an effective treatment for solid tumors?

Research has shown that A2B530, a type of CAR T-cell therapy, might effectively target solid tumors such as colorectal, pancreatic, and non-small cell lung cancers. This treatment enables T-cells, part of the immune system, to specifically attack cancer cells while sparing healthy ones. A2B530 also addresses common issues in similar treatments, such as harming healthy tissues. Early studies suggest that patients tolerate the treatment well, with no serious side effects reported. This promising method uses the immune system to fight cancer more safely and effectively.12356

Who Is on the Research Team?

EN

Eric Ng, MD

Principal Investigator

A2 Biotherapeutics Inc.

Are You a Good Fit for This Trial?

This trial is for adults with certain solid tumors like colorectal, pancreatic, or non-small cell lung cancer that express CEA and lack HLA-A*02. They must have a life expectancy of at least 3 months, be able to follow the study plan including long-term safety checks, and have completed necessary prior treatments. Pregnant or breastfeeding individuals are excluded as well as those not using birth control.

Inclusion Criteria

I can carry out all my daily activities without help.
You are expected to live for at least 3 more months.
My cancer is advanced, cannot be surgically removed, and shows on scans.
See 4 more

Exclusion Criteria

I haven't had a new blood clot in my lungs or legs in the last 3 months.
I am not pregnant or breastfeeding.
My condition can be treated with standard therapy aimed at curing, not just easing symptoms.
See 7 more

Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Preconditioning Lymphodepletion (PCLD) Regimen

Participants receive a preconditioning lymphodepletion regimen before the infusion of A2B530 Tmod CAR T cells

1 week

Treatment

Participants receive a single dose of A2B530 intravenously on day 0

1 day
1 visit (in-person)

Follow-up

Participants are monitored for safety and effectiveness after treatment, including adverse events and dose limiting toxicities

24 months

What Are the Treatments Tested in This Trial?

Interventions

  • A2B530
Trial Overview The study tests A2B530 CAR T-cells in patients with specific solid tumors. It's divided into two phases: Phase 1 determines the safest dose; Phase 2 checks if this dose effectively targets tumor cells while sparing healthy ones. Participants will undergo a preconditioning regimen before receiving the A2B530 treatment.
How Is the Trial Designed?
1Treatment groups
Experimental Treatment
Group I: A2530Experimental Treatment2 Interventions

A2B530 is already approved in United States for the following indications:

🇺🇸
Approved in United States as A2B530 for:

Find a Clinic Near You

Who Is Running the Clinical Trial?

A2 Biotherapeutics Inc.

Lead Sponsor

Trials
5
Recruited
1,200+

Tempus AI

Industry Sponsor

Trials
18
Recruited
20,700+

Tempus Labs

Industry Sponsor

Trials
17
Recruited
20,200+

Published Research Related to This Trial

CAR T-cell therapies have shown promising and potentially curative effects in treating blood cancers, but their effectiveness as standalone treatments for solid tumors has been limited.
Combining CAR T-cell therapy with other treatments, such as chemotherapy or radiotherapy, may enhance therapeutic efficacy for solid tumors, suggesting that combination strategies could be more effective than monotherapy.
Combination therapy: A feasibility strategy for CAR-T cell therapy in the treatment of solid tumors.Xu, J., Wang, Y., Shi, J., et al.[2022]
CAR T cell therapy has shown strong effectiveness against leukemia and lymphoma, but faces challenges in treating solid tumors due to issues like T cell persistence and the tumor microenvironment.
Current research is focused on improving CAR T cell design and strategies to enhance T cell longevity and overcome tumor heterogeneity, with the goal of making this therapy effective for solid cancers, although it remains unproven at this stage.
Strategies for Improving the Efficacy of CAR T Cells in Solid Cancers.Kyte, JA.[2022]
The study demonstrated that an optimized single-chain T cell receptor (scTCR) targeting the p53 tumor antigen can effectively eradicate tumors without causing harmful autoimmunity, indicating a high safety profile for this TCR gene therapy.
Adoptive T cell transfer (ACT) using the scTCR led to complete tumor protection and the development of a long-lasting, antigen-specific memory T cell response in mouse models, showcasing its therapeutic efficacy against p53-associated cancers.
A Potent Tumor-Reactive p53-Specific Single-Chain TCR without On- or Off-Target Autoimmunity In Vivo.Echchannaoui, H., Petschenka, J., Ferreira, EA., et al.[2020]

Citations

EVEREST-1: Safety and efficacy data of A2B530, a logic- ...Tmod CAR T therapy addresses challenges of on-target, off-tumor toxicity that have limited application of CAR T therapy to solid tumors ( ...
588 EVEREST-1: initial safety data from a seamless phase ...There were no dose-limiting toxicities, grade >3 serious adverse events, nor related neurotoxicity. One patient in dose level 2 (2 x 108 cells) ...
A Study to Evaluate the Safety and Efficacy of A2B530, ...The goal of this study is to test A2B530,an autologous logic-gated Tmod™ CAR T-cell product in subjects with solid tumors including colorectal cancer (CRC), ...
A2 Bio Highlights Progress of Tmod TM CAR T-Cell ...To date, treatment with A2B530 appears to have a manageable safety profile and to be tolerable. EVEREST-2 Poster Presentation Summary. In a ...
Advancing CAR T-Cell Therapy in Solid TumorsIn this review, we explore the current state of CAR T-cell therapy in solid tumors, reasons for past limitations, and how new scientific advances may help ...
A2 Bio Announces First Patient Dosed in Phase 1/2 ...A2 Bio to Present Early Safety and Efficacy Data from EVEREST-2 Study during 2025 Annual Meeting of the Society for Immunotherapy of Cancer.
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