MedPath

USDA Approves First Autologous Immunotherapy for Canine Osteosarcoma

• ELIAS Cancer Immunotherapy (ECI) has received full approval from the USDA Center for Veterinary Biologics as the first autologous prescription product for treating canine osteosarcoma.

• The innovative treatment works by conditioning the dog's immune system to recognize cancer cells, then delivering activated killer T cells that target and attack those specific cancer cells.

• ECI is available at 100 authorized treatment centers across the United States, with the treatment process requiring cancer tissue collection prior to surgery for manufacturing the personalized therapy.

The U.S. Department of Agriculture (USDA) Center for Veterinary Biologics has granted full approval for ELIAS Cancer Immunotherapy (ECI), marking a significant milestone as the first autologous prescription product approved for treating canine osteosarcoma.
Developed by ELIAS Animal Health, a companion animal cancer therapeutics company, ECI represents a novel approach to cancer treatment in dogs by harnessing the patient's own immune system to fight the disease.
"Immunotherapies such as ECI are at the forefront of new treatment options which use the patient's own immune system to fight their cancer," said Dr. Noe Reyes, Chief Medical Officer for ELIAS Animal Health. "We are excited to bring the first licensed adoptive cell therapy to the veterinary community and provide clinicians with an important new treatment option."

How the Treatment Works

ECI employs a two-step process to combat osteosarcoma. First, it conditions the immune system to recognize the patient's unique cancer signature. Then, it delivers an army of activated killer T cells specifically programmed to target and attack those cancer cells.
A critical aspect of the treatment is timing – the decision to pursue ECI must be made prior to surgery, as cancer tissue must be harvested from the patient to manufacture the personalized treatment.

Breakthrough Clinical Trial

The approval follows one of the largest clinical trials conducted in canine oncology. The ELIAS ECI-OSA-04 pivotal study was the first of its kind to evaluate adoptive cell therapy for treating cancer in canine patients.
In January 2024, the USDA CVB determined that data from this study showed a reasonable expectation of efficacy, a crucial milestone in the licensure pathway. The study was a two-armed field safety and efficacy trial conducted at the University of Missouri Veterinary School of Medicine.
Participating patients completed a 7-11 week protocol that included limb-sparing surgery to remove the primary tumor, followed by vaccine-enhanced adoptive T cell therapy combined with a novel adjuvant. Patients were then monitored for 12 months post-diagnosis.

Availability and Access

The treatment is currently administered at authorized treatment centers, with approximately 100 locations across the United States. Veterinarians interested in becoming authorized treatment centers or learning more to educate their clients are encouraged to contact ELIAS Animal Health.
"At ELIAS Animal Health, our commitment to advancing animal health and improving the lives of pets and their families is at the core of everything we do," said Tammie Wahaus, CEO of ELIAS Animal Health. "The approval of ECI represents the culmination of years of dedicated research and development, and we are proud to offer a new treatment option that meets the highest regulatory standards and offers significant benefits to both veterinarians and their patients."

Canine Osteosarcoma: A Challenging Cancer

Osteosarcoma is an aggressive bone cancer commonly diagnosed in dogs, particularly in larger breeds. Traditional treatment approaches have typically involved amputation of the affected limb followed by chemotherapy, with limited long-term success rates.
The approval of ECI provides veterinarians with a new tool in their arsenal against this challenging disease, potentially offering improved outcomes and quality of life for affected dogs.

Future Implications

This approval represents a significant advancement in veterinary oncology, potentially paving the way for similar immunotherapy approaches for other canine cancers. The success of adoptive cell therapy in veterinary medicine may also provide valuable insights for human cancer research, highlighting the importance of the One Health approach that recognizes the interconnection between animal and human health.
As personalized medicine continues to evolve in veterinary care, treatments like ECI demonstrate how cutting-edge technologies can be applied to improve outcomes for companion animals facing life-threatening diseases.
Subscribe Icon

Stay Updated with Our Daily Newsletter

Get the latest pharmaceutical insights, research highlights, and industry updates delivered to your inbox every day.

Related Topics

© Copyright 2025. All Rights Reserved by MedPath