Study on a Personalized Vaccine Combined with Immune Therapy for Patients with Metastatic Colorectal Cancer
Sponsor: Seattle Project Corporation
ClinicalTrials ID:NCT05141721
This clinical trial is testing a personalized vaccine combined with immune therapy to see if it can help control metastatic colorectal cancer better than standard treatment alone. The study will compare the effects of adding this vaccine and immune therapy to the usual chemotherapy and bevacizumab treatment.
Patient Parameters
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Program Overview
The study aims to find out if a personalized vaccine, designed specifically for each patient's cancer, can improve treatment outcomes when combined with immune therapy and standard chemotherapy for metastatic colorectal cancer. The vaccine targets unique markers on the cancer cells, helping the immune system recognize and attack them. Researchers will compare this combination treatment to the standard chemotherapy and bevacizumab alone, focusing on how well it controls cancer progression and improves survival.
Description
This study is exploring a new approach to treating metastatic colorectal cancer by using a personalized vaccine that targets specific mutations in a patient's tumor. These mutations create unique markers, called neoantigens, which the immune system can recognize as foreign. The vaccine is designed to stimulate the immune system to attack cancer cells displaying these neoantigens.
The treatment involves two vaccine doses, GRT-C901 followed by GRT-R902, to boost the immune response. This personalized immunotherapy is combined with immune checkpoint inhibitors and standard chemotherapy (fluoropyrimidine and bevacizumab) to enhance the body's ability to fight cancer. The study will assess the effectiveness of this combination by monitoring changes in cancer markers in the blood and evaluating how long patients live without the cancer getting worse.
Eligibility Criteria
Inclusion Criteria
- Have metastatic colorectal cancer confirmed by lab tests and are either starting or have recently started first-line treatment with specific chemotherapy regimens.
- Have cancer that can be measured and cannot be surgically removed.
- Provide a sample of the tumor tissue for analysis.
- Be in good overall health with a performance status score of 0 or 1, meaning fully active or restricted in physically strenuous activity but ambulatory.
- Have adequate organ function based on specific medical tests.
- Women of childbearing potential must agree to use effective birth control during the study and for 150 days after the last treatment.
Exclusion Criteria
- Have certain genetic features in the cancer, like deficient mismatch repair or specific mutations.
- Have a history of bleeding disorders or significant bleeding after injections or blood draws.
- Expect to need immunosuppressive treatment during the study.
- Have had a tissue or organ transplant.
- Have active or past autoimmune diseases or immune deficiencies.
- Have cancer that has spread to the brain or spinal cord and is causing symptoms or worsening.
- Have had another cancer within the last two years, except for certain treated cancers.
- Have severe non-cancer diseases that could interfere with the study.
- Have active infections like tuberculosis, hepatitis B or C, or HIV.
- Have had lung inflammation requiring steroids, except for resolved radiation-related cases.
- Have had a recent heart attack, unstable heart conditions, or severe heart failure.
- Are pregnant, planning to become pregnant, or breastfeeding.
Locations
| FACILITY | ZIP | CITY | STATE |
|---|---|---|---|
| Banner MD Anderson | 85234 | Gilbert | Arizona |
| Highlands Oncology | 72762 | Springdale | Arkansas |
| U.S.C Norris Cancer Center, Keck School of Medicine, Division of Medical Oncology | 90033 | Los Angeles | California |
| University of California - Irvine (UCI) | 92697 | Orange | California |
| University of California Los Angeles (UCLA) | 90404 | Santa Monica | California |
| Rocky Mountain Cancer Centers - USOR | 80218 | Denver | Colorado |
| Eastern CT Hematology and Oncology Associates (ECHO) | 06360 | Norwich | Connecticut |
| Lynn Cancer Institute - Boca Raton Regional Hospital | 33486 | Boca Raton | Florida |
| University of Miami | 33136 | Miami | Florida |
| Miami Cancer Institute at Baptist Health South Florida (USOR site) | 33176 | Miami | Florida |
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