Abstract: Systems and methods for matching of patients with clinical trials are described herein. The matching can be performed in an automated fashion and integrated with an existing clinical workflow. Patient data can be retrieved from an existing clinical data management system. The patient data can be evaluated against eligibility criteria for a plurality of clinical trials to determine an eligibility of the patient for each of the plurality of clinical trials. Results corresponding to the eligibility of the patient for each of the plurality of clinical trials can be displayed on a graphical user interface.

Abstract: Systems and methods are provided for displaying content items to a user. The user is allowed to select a plural, proper subset of a first set of categories, and a proper subset of a first set of subordinate items is displayed according to the selected plural, proper subset of the first set of categories by the user. The user then allowed to select a plurality of subordinate items of a displayed proper subset of the first set of subordinate items at the display, a proper subset of a second set of subordinate items is displayed according to the selected plurality of the proper subset of the first set of subordinate items.