PDQ (Physician Data Query) is NCI's comprehensive cancer database. It contains summaries on a wide range of cancer topics; a registry of 8,000+ open and 19,000+ closed cancer clinical trials from around the world; and a directory of professionals who provide genetics services. PDQ also contains the NCI Dictionary of Cancer Terms, with definitions for 6,800+ cancer and medical terms, and the NCI Drug Dictionary, which has information on 2,300+ agents used in the treatment of cancer or cancer-related conditions.
PDQ (Physician Data Query)
- PDQ® - NCI's Comprehensive Cancer Database
Full description of the NCI PDQ database.
Cancer Information Summaries
- PDQ® Cancer Information Summaries: Adult Treatment
Treatment options for adult cancers. - PDQ® Cancer Information Summaries: Pediatric Treatment
Treatment options for childhood cancers. - PDQ® Cancer Information Summaries: Supportive and Palliative Care
Side effects of cancer treatment, management of cancer-related complications and pain, and psychosocial concerns. - PDQ® Cancer Information Summaries: Screening/Detection (Testing for Cancer)
Tests or procedures that detect specific types of cancer. - PDQ® Cancer Information Summaries: Prevention
Risk factors and methods to increase chances of preventing specific types of cancer. - PDQ® Cancer Information Summaries: Genetics
Genetics of specific cancers and inherited cancer syndromes, and ethical, legal, and social concerns. - PDQ® Cancer Information Summaries: Complementary and Alternative Medicine
Information about complementary and alternative forms of treatment for cancer patients.
PDQ Editorial Boards
- PDQ® Adult Treatment Editorial Board
Experts in the fields of medical oncology, radiation oncology, and surgical oncology. - PDQ® Pediatric Treatment Editorial Board
Experts in the fields of pediatric oncology, pediatric surgery, pediatric neuro-oncology, and radiation oncology. - PDQ® Supportive and Palliative Care Editorial Board
Experts in the fields of pain and palliative care, psychology, medical oncology, and pediatric oncology. - PDQ® Screening and Prevention Editorial Board
Experts in the fields of oncology, cancer prevention, hematology, radiology, urology, statistics, epidemiology, and economics. - PDQ® Cancer Genetics Editorial Board
Experts in the fields of epidemiology, primary care, ethics, law, psychology, social sciences, and medical genetics. - PDQ® Cancer Complementary and Alternative Medicine Editorial Board
Experts in the fields of oncology, pharmacology, natural products, drug discovery and development, traditional Chinese medicine, acupuncture, and homeopathy.
NCI Dictionaries
- Dictionary of Cancer Terms
A dictionary of 6,800+ cancer-related terms. This resource is updated monthly; new terms are reviewed by a multidisciplinary panel of reviewers, and approximately 30 terms are added each month. - NCI Dictionary of Genetics Terms
A dictionary of more than 150 genetics-related terms written for healthcare professionals. This resource was developed to support the comprehensive, evidence-based, peer-reviewed PDQ cancer genetics information summaries. - NCI Drug Dictionary
A dictionary that contains technical definitions, alternate names, and links to related information for 2,300+ agents that are being used in the treatment of patients with cancer or cancer-related conditions.
Clinical Trials
- Search for Clinical Trials
NCI's List of Cancer Clinical Trials. - Help Using the NCI Clinical Trials Search Form
Information about searching the NCI's list of cancer clinical trials, including an explanation of the information included for each trial and search tips.
Cancer Genetics Services
- NCI Cancer Genetics Services Directory: Description
Description of the cancer genetics services directory and the qualifications of the professionals who are included. - Cancer Genetics Services Directory
Directory of professionals who provide services related to cancer genetic risk assessment, counseling, and testing.
Other Ways to Get PDQ Information
- Cancer.gov Content Dissemination Program
Information about Cancer.gov's content dissemination program, which makes cancer information available in XML format for use in Web sites and in other information products.