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This section provides instructions for adding and updating participating sites via the NCI CTRP Participating Site REST Service.

Introduction

Participating Site REST Service is a CTRP Web Service that provides the following operations in a REST-like fashion:

  • Add a participating site to a trial
  • Update an existing participating site on a trial
  • Obtain a list of participating sites on a trial

The service uses XML for data exchange.

Note
titleProgram Codes

The program codes feature (not to be confused with NCI Divisions Division and ProgramsProgram Values) has been enhanced for the 4.4 release. The system ignores program codes unless the trial is one of the following:

  • Complete trial with a lead organization as a member of your cancer center family of organizations.
  • Abbreviated trial where such a member is a participant.

The system validates program code values against those listed on the Manage Program Codes Master List page for your affiliated cancer center. For details, refer to Managing Program Codes.

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To use the service, you must have a valid NCI LDAP account and a CTRP account. All service endpoints require HTTP Basic authentication with your NCI LDAP username and password.

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The service uses XML for data exchange. All XML elements going in or out of the service are defined and validated against the following XML schemas:

XML schemas are well-annotated with inline documentation that explains the purpose and meaning of various elements, types, and attributes. Specific elements required for service operations are explained in the sections below.

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Creating or updating sites in the CTRP often involves organizations and persons that act as Healthcare Facilities and Principal Investigators on a site. CTRP does not manage information about persons and organizations; instead, this is delegated to the Person and Organization Curation Portal, also known as PO. For more information, refer to the Person and Organization Curation Portal User's Guide.

Note
You must have a user account with appropriate LDAP membership to access the PO User's Guide.

Before creating or updating a site, ensure that organizations and persons acting on the site exist already in PO. Use person identifiers (PO IDs) and organization identifiers (CTEP IDs) when you register a trial whenever possible. If they do not already exist, request that they be created prior to managing a site, by submitting a request to the CTRO at ncictro@mail.nih.gov.

Tip
titleUse PO Web Services API

We strongly recommend that you exercise the   PO Web Services API separately in order to find persons and organizations of interest prior to creating a site. Once you find a person or organization, you can use their IDs within a site creation packet as shown in API examples below. This helps to minimize duplicates in the CTRP system.

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