NCI Drug Dictionary

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The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

folate receptor alpha-loaded dendritic cell vaccine
A cell-based vaccine composed of autologous-monocyte-derived dendritic cells (DCs) loaded with five immunogenic peptide epitopes, derived from the tumor-associated antigen human folate receptor alpha (FR alpha or FOLR1), including FR30, FR56, FR76, FR113, and FR238, with potential immunomodulatory and antineoplastic activity. Ex vivo treatment of the DCs with a p38 inhibitor decreases p38-mediated signaling and enhances ERK activation. This may allow, upon intradermal administration of the multi-epitope FR alpha-loaded DC vaccine into the patient, for decreased activation and expansion of CD4+ regulatory T-cells (Tregs), increased differentiation and expansion of interleukin-17 secreting T helper cells (Th17) and activation of CD8+ CTLs, which induces a strong anti-tumor T-cell immune response against FR alpha-overexpressing tumor cells. FR alpha is a high-affinity folate-binding protein and a member of the folate receptor family; this receptor is overexpressed in the majority of ovarian cancers and in about approximately 50% of breast cancers. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus)
Abbreviations:FRalphaDC vaccine
FRαDC vaccine