NCI-designated Cancer Centers The
NCI-designated Cancer Centers are one of the primary arms in the NCI's mission in supporting cancer research. There are currently 73 so-designated centers; 9 cancer centers, 57 comprehensive cancer centers, and 7 basic laboratory cancer centers. NCI supports these centers with grant funding in the form of P30 Cancer Center Support Grants to support shared research resources and interdisciplinary programs. Additionally, faculty at the cancer centers receive approximately 75% of the grant funding awarded by the NCI to individual investigators. The NCI cancer centers program was introduced in 1971 with 15 participating institutions.
National Clinical Trials Network The National Clinical Trials Network (NCTN) was formed in 2014, from the Cooperative Group program to modernize the existing system to support
precision medicine clinical trials. With precision medicine, many patients must be screened to determine eligibility for treatments in development. Lead Academic Participating Sites (LAPS) were chosen at 30 academic institutions for their ability to conduct clinical trials and screen a large number of participants and awarded grants to support the infrastructure and administration required for clinical trials. Most LAPS grant recipients are also NCI-designated cancer centers.
Developmental Therapeutics Program The NCI Development Therapeutics Program (DTP) provides services and resources to the academic and private-sector research communities worldwide to facilitate the discovery and development of new cancer therapeutic agents. Under the label "Discovery & Development Services" several services are offered, among them the
NCI-60 human cancer cell line screen and the Molecular Target Program. In the Molecular Target Program thousands of molecular targets have been measured in the NCI panel of 60 human tumor cell lines. Measurements include protein levels, RNA measurements, mutation status and enzyme activity levels.
NCI-60 Human Tumor Cell Lines Screen The evolution of strategies at the NCI illustrates the changes in screening that have resulted from advances in cancer biology. The Developmental Therapeutics Program (DTP) operates a tiered anti-cancer compound screening program with the goal of identifying novel chemical leads and biological mechanisms. The DTP screen is a three phase screen which includes: an initial screen which first involves a single dose
cytotoxicity screen with the
60 cell line assay. Those passing certain thresholds are subjected to a 5 dose screen of the same 60 cell-line panel to determine a more detailed picture of the biological activity. A second phase screen establishes the maximum tolerable dosage and involves
in vivo examination of
tumor regression using the hollow fiber assay. The third phase of the study is the human tumor
xenograft evaluation. Active compounds are selected for testing based on several criteria: disease type specificity in the
in vitro assay, unique structure, potency, and demonstration of a unique pattern of cellular cytotoxicity or cytostasis, indicating a unique mechanism of action or
intracellular target. A high correlation of cytotoxicity with compounds of known biological mechanism is often predictive of the drugs mechanism of action and thus a tool to aid in the drug development and testing. It also tells if there is any unique response of the drug which is not similar to any of the standard prototype compounds in the NCI database. ==Leadership==