Abstract: Digitally reconstructed portal imaging systems and methods and radiation therapy workflow systems and methods incorporating the same are described. Among these systems and methods are systems and methods for planning a radiation therapy treatment, verifying radiation therapy treatment, verifying patient position in a radiation therapy treatment, and computing a portal image.

Abstract: The present invention provides a system and method for selecting prospective patients for a clinical trial. In various embodiments, a clinical trials brokerage is configured to receive requests from drug companies for lists of persons meeting specified criteria for clinical trials. Patient records are retrieved from a structured computerized patient record (CPR) data warehouse populated with comprehensive patient information mined from unstructured hospital records. A list of persons for whom consent was obtained can be outputted and forwarded to the entity interested in performing the clinical trial and which requested the list. Anonymity of a patient can be maintained until the patient provides consent to participate in the clinical trial.