investigation agent role investigation collaborator role Leon Li, Asiyah Li, Oliver He https://prsinfo.clinicaltrials.gov/definitions.html#Collaborators collaborator role https://www.who.int/ictrp/network/trds/en/ A secondary sponsor may serve as a collaborator role. However, a collaborator may not serve as a secondary sponsor role. An investigation agent role taken by an agent (an individual, organization, group or another legal entity) who provides support to an investigation. The support may include funding, design, implementation, data analysis or reporting. The responsible party is responsible for confirming all collaborators before listing them.