National Cancer Database

National Cancer Database
Name	National Cancer Database
Other names	NCDB
Formation	1989
Headquarters	Chicago, Illinois
Parent organization	American College of Surgeons; American Cancer Society

National Cancer Database The National Cancer Database is a hospital-based clinical oncology registry and analytics resource founded through a collaboration between the American College of Surgeons and the American Cancer Society to support cancer surveillance, quality improvement, and outcomes research. The database aggregates case-level information from Commission on Cancer–accredited facilities and is widely used by investigators at institutions such as Johns Hopkins Hospital, Mayo Clinic, Dana-Farber Cancer Institute, and MD Anderson Cancer Center for benchmarking, policy analysis, and comparative effectiveness studies. Major users include researchers associated with National Institutes of Health, health services groups at Harvard Medical School, and registries coordinated with the Centers for Disease Control and Prevention.

History

The database originated from initiatives in the late 20th century to standardize oncology reporting after dialogues involving leaders at the American College of Surgeons and the American Cancer Society and guidance from advisory panels with representatives from National Cancer Institute, Agency for Healthcare Research and Quality, and academic centers such as Stanford University and Yale School of Medicine. Early milestones included the establishment of standardized abstraction rules reflecting classifications like the American Joint Committee on Cancer staging system and adoption of coding compatible with the World Health Organization classifications. Over subsequent decades the project integrated electronic submission standards developed in coordination with groups including Health Level Seven International and incorporated outcomes linkage strategies used by registries at Surveillance, Epidemiology, and End Results Program institutions. Periodic governance reviews involved stakeholders from Cleveland Clinic, University of California, San Francisco, and policy bodies such as Centers for Medicare and Medicaid Services.

Organization and Governance

Governance combines oversight by the American College of Surgeons Commission on Cancer and strategic guidance from the American Cancer Society, with advisory input from representatives of academic centers like Columbia University, University of Pennsylvania, and professional societies such as the Society of Surgical Oncology and the American Society of Clinical Oncology. Operational management resides in staff offices in Chicago and collaborates with technical partners including vendors used by Memorial Sloan Kettering Cancer Center and network partners such as the Veterans Health Administration. Data access policies and research review processes reflect norms similar to institutional review boards at institutions including University of Michigan and Northwestern University and coordinate with data use agreements seen at Wellcome Trust-funded consortia.

Data Collection and Coverage

Data are collected from Commission on Cancer–accredited hospitals, encompassing community centers like Kaiser Permanente facilities and tertiary centers including Fred Hutchinson Cancer Research Center. Coverage includes approximately two-thirds of new cancer cases in the United States, with case ascertainment and abstraction practices harmonized with methods used by the National Program of Cancer Registries. The submission pipeline supports batch uploads following standards influenced by Clinical Data Interchange Standards Consortium and interfaces with cancer registries modeled after systems at State Cancer Registries and academic registry programs at Rutgers University. The database aggregates incident diagnoses, treatment delivery, and short-term follow-up, enabling cross-sectional and longitudinal analyses analogous to research conducted at Brigham and Women's Hospital and St. Jude Children's Research Hospital.

Data Elements and Coding

Core data elements include patient demographics, tumor characteristics, stage defined by American Joint Committee on Cancer criteria, first-course treatment details (surgery, chemotherapy, radiation), and facility identifiers tied to Commission on Cancer accreditation. Coding schemas align with classifications such as the International Classification of Diseases for Oncology and leverage procedure terminology consistent with Current Procedural Terminology used across health systems like Mount Sinai Health System. Data dictionaries and abstraction manuals reflect methodologies endorsed by expert groups including panels from University of Texas Southwestern Medical Center and standards bodies like National Quality Forum. Linkage fields permit probabilistic matching strategies similar to those employed in databases maintained by Social Security Administration-linked research projects.

Research and Clinical Uses

Investigators from institutions such as Columbia University Irving Medical Center, University of California Los Angeles, and Emory University use the database for epidemiologic analyses, quality metrics development, and outcomes research including survival and treatment patterns. The resource informs guideline evaluation processes at professional societies like American Society of Clinical Oncology and supports comparative effectiveness studies akin to work published by teams at Johns Hopkins University and University of Chicago. Policy analyses drawing on the database have been cited in deliberations at Centers for Medicare and Medicaid Services and in reports produced by advocacy organizations such as Susan G. Komen.

Limitations and Criticisms

Critiques mirror those levied against other large registries: potential selection bias because coverage is limited to Commission on Cancer–accredited facilities (raising concerns noted by researchers at Boston University), limited longitudinal follow-up compared to cohorts tracked by National Cancer Institute cooperative groups, and constraints in capturing detailed comorbidity and recurrence data compared with electronic health record datasets used at Vanderbilt University Medical Center. Methodologic debates involve the granularity of treatment timing and dose information compared to clinical trial documentation at centers like Memorial Sloan Kettering Cancer Center and the risk of misclassification addressed in studies from University of Washington. Discussions about data access and transparency have engaged stakeholders including Patient Advocate Groups and policy analysts at think tanks such as Kaiser Family Foundation.

Category:Cancer registries in the United States