QUILT-3.006 for Recurrent Medullary Thyroid Cancer

Summary

Background: \- GI-6207 is an experimental cancer vaccine made with baker's yeast. The yeast has been modified to help the immune system target a protein called CEA. CEA is found on the surface of some kinds of tumor cells, including thyroid cancer cells. Researchers want to see if GI-6207 can encourage the body's immune system to attack and kill tumor cells that contain the CEA protein. They will test to see whether this vaccine is a safe and effective treatment for medullary thyroid cancer that has not responded to earlier treatments. Objectives: \- To test the safety and effectiveness of the GI-6207 vaccine for advanced medullary thyroid cancer. Eligibility: \- Individuals at least 18 years of age who have medullary thyroid cancer that has not responded to earlier treatments. Design: * Participants will be screened with a physical exam and medical history. They will provide blood and tumor samples and have an imaging study of the neck and chest. They will also have a skin test to make sure that they are not allergic to the yeast in the vaccine. * Participants will be divided into two groups. One group will start to take GI-6207 immediately for 1 year. The second group will have 6 months of monitoring and tests with no vaccine, and then will take GI-6207 for 1 year. * GI-6207 will be given every other week for the first seven visits (about 3 months), and then monthly for the remaining year of treatment. It will be given as injections beneath the arm and in the upper thigh. These locations will help the vaccine enter the lymph nodes and reach the immune system more quickly. * Participants will be monitored with frequent blood and urine tests and imaging studies. * Participants will have regular follow-up visits after their year of study vaccines.

Timeline

Start

2013-03-26

Primary completion

2018-05-08

Completion

2018-05-08

Publications

• Background Peshwa MV, Shi JD, Ruegg C, Laus R, van Schooten WC. Induction of prostate tumor-specific CD8+ cytotoxic T-lymphocytes in vitro using antigen-presenting cells pulsed with prostatic acid phosphatase peptide. Prostate. 1998 Jul 1;36(2):129-38. doi: 10.1002/(sici)1097-0045(19980701)36:23.0.co;2-d.
• Background Fong L, Small EJ. Anti-cytotoxic T-lymphocyte antigen-4 antibody: the first in an emerging class of immunomodulatory antibodies for cancer treatment. J Clin Oncol. 2008 Nov 10;26(32):5275-83. doi: 10.1200/JCO.2008.17.8954. Epub 2008 Oct 6.
• Background O'Day SJ, Hamid O, Urba WJ. Targeting cytotoxic T-lymphocyte antigen-4 (CTLA-4): a novel strategy for the treatment of melanoma and other malignancies. Cancer. 2007 Dec 15;110(12):2614-27. doi: 10.1002/cncr.23086.
• Del Rivero J, Donahue RN, Marte JL, Gramza A, Bilusic M, Cordes L, Karzai F, Schlom J, Gulley JL, Madan RA. A phase 2 study of GI-6207 in patients with recurrent medullary thyroid cancer. Oncologist. 2026 Jan 17;31(2):oyaf429. doi: 10.1093/oncolo/oyaf429.
• Del Rivero J, Donahue RN, Marte JL, Gramza AW, Bilusic M, Rauckhorst M, Cordes L, Merino MJ, Dahut WL, Schlom J, Gulley JL, Madan RA. A Case Report of Sequential Use of a Yeast-CEA Therapeutic Cancer Vaccine and Anti-PD-L1 Inhibitor in Metastatic Medullary Thyroid Cancer. Front Endocrinol (Lausanne). 2020 Aug 7;11:490. doi: 10.3389/fendo.2020.00490. eCollection 2020.

Drugs

Indications