Thing > MedicalEntity > MedicalStudy > MedicalTrial

A medical trial is a type of medical study that uses scientific process used to compare the safety and efficacy of medical therapies or medical procedures. In general, medical trials are controlled and subjects are allocated at random to the different treatment and/or control groups.

Property	Expected Type	Description
Properties from Thing
additionalType	URL	An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. In RDFa syntax, it is better to use the native RDFa syntax - the 'typeof' attribute - for multiple types. Schema.org tools may have only weaker understanding of extra types, in particular those defined externally.
description	Text	A short description of the item.
image	URL	URL of an image of the item.
name	Text	The name of the item.
url	URL	URL of the item.
Properties from MedicalEntity
alternateName	Text	Any alternate name for this medical entity.
code	MedicalCode	A medical code for the entity, taken from a controlled vocabulary or ontology such as ICD-9, DiseasesDB, MeSH, SNOMED-CT, RxNorm, etc.
guideline	MedicalGuideline	A medical guideline related to this entity.
medicineSystem	MedicineSystem	The system of medicine that includes this MedicalEntity, for example 'evidence-based', 'homeopathic', 'chiropractic', etc.
recognizingAuthority	Organization	If applicable, the organization that officially recognizes this entity as part of its endorsed system of medicine.
relevantSpecialty	MedicalSpecialty	If applicable, a medical specialty in which this entity is relevant.
study	MedicalStudy	A medical study or trial related to this entity.
Properties from MedicalStudy
outcome	Text	Expected or actual outcomes of the study.
population	Text	Any characteristics of the population used in the study, e.g. 'males under 65'.
sponsor	Organization	Sponsor of the study.
status	MedicalStudyStatus	The status of the study (enumerated).
studyLocation	AdministrativeArea	The location in which the study is taking/took place.
studySubject	MedicalEntity	A subject of the study, i.e. one of the medical conditions, therapies, devices, drugs, etc. investigated by the study.
Properties from MedicalTrial
phase	Text	The phase of the trial.
trialDesign	MedicalTrialDesign	Specifics about the trial design (enumerated).

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