REST API for Clinical One Cloud Service

~~[Deprecated]: V1~~

get

/ec-dc-svc/rest/v1/studies/{studyId}/{mode}/subjects/sitestudyversion

Deprecated: Lists all subjects for sites in a specific study version that you have access to and that have a study version.

Request

Path Parameters

mode(required): string
Indicates the operational mode of the study. Accepted values: active, test, or training.
Example:
```
test
```
studyId(required): string
Unique identifier of the study. Uses UUID in a 32-character uppercase hexadecimal string format.
Example:
```
ABCDEF1234567890ABCDEF1234567890
```

Query Parameters

limit: integer(int32)

Minimum Value: 0

The number of subjects, beginning with the offset, that you want to retrieve. Offset must be provided to use this parameter. For example, if you want to retrieve subjects in multiple batches of 10, you can start with an offset of 0 and limit of 10, then repeat calls to this endpoint and increase the offset value by 10 each time.
offset: integer(int32)

Minimum Value: 0

An order number to specify with which subject you want to start retrieving subjects. If provided, you also need to specify a value for the limit parameter. Offset is affected by the value of the order parameter.
order(required): string

The sorting order for subjects. Sorting is done by subject number. If you don't specify a value, the order is ascending by default. Accepts asc or desc.
siteId: string(uuid)

ID of the site for which you want to retrieve subjects. The site must have a study version to return any results.

There's no request body for this operation.

Response

Supported Media Types

application/json

200 Response

Subjects success.

Root Schema : schema

Type: array

Show Source

Array of: object SubjectDto1

Base subject details including identity, demographics, study and site context, and state transitions

{
    "type":"array",
    "items":{
        "$ref":"#/components/schemas/SubjectDto1"
    }
}

Nested Schema : SubjectDto1

Type: object

Base subject details including identity, demographics, study and site context, and state transitions

Show Source

comment: string

Minimum Length: 0

Maximum Length: 2048

Comment for latest subject update

Example: Initial enrollment
description: string

Minimum Length: 0

Maximum Length: 500

Free text description for the subject

Example: Screened subject
dob: string (date-time)

Date of birth
enrollmentFailure: string

Minimum Length: 0

Maximum Length: 255

Reason for enrollment failure, if any

Example: Consent withdrawn
enrollmentOverride: string

Minimum Length: 0

Maximum Length: 255

If subject enrollment is overridden.

Example: Subject Enrollment Overridden
gender: string

Minimum Length: 0

Maximum Length: 10

Gender value

Example: [{"value":"1","label":"male"}]
id: string

Unique identifier (UUID, 32-character uppercase hexadecimal string) of the subject

Example: 1BC29B36F5D64B1B95F4BDBBCEA481BE
informedConsentDate: string (date-time)

Informed consent date

Example: 2025-09-25T09:00:00Z
reason: string

Minimum Length: 0

Maximum Length: 255

Reason for latest subject update

Example: Protocol break happened
screeningDate: string (date-time)

Screening date if applicable

Example: 2025-10-01T10:00:00Z
screeningFailure: string

Minimum Length: 0

Maximum Length: 255

Reason for screening failure, if any

Example: Inclusion criteria not met
siteId: string

Unique identifier of the site. Uses UUID in a 32-character uppercase hexadecimal string format.

Example: ABCDEF1234567890ABCDEF1234567890
state(required): string
Minimum Length: 0

Maximum Length: 100
Lifecycle state of the subject in the study. Reflects the subject???s current status. Common values include:
- New
- Active
- Screening_Initiated
- Screen_Failed
- Withdrawn
- Auto_Screen_Failed
- Complete
- Enrolled
Example: Active
stateDate: string (date-time)

Timestamp when the subject transitioned to current state

Example: 2025-10-16T14:30:31.892Z
studyId: string

Unique identifier of the study. Uses UUID in a 32-character uppercase hexadecimal string format.

Example: ABCDEF1234567890ABCDEF1234567890
studyVersion(required): string

String representing the version of the study. Helps track changes in form or study design.

Example: 3.0.0.1
subjectNumber(required): string

Minimum Length: 0

Maximum Length: 500

Unique subject Number representing the patient/participant enrolled in the study.

Example: SUBJ-0001
versionStart: string (date-time)

The timestamp marking the beginning of the validity period for this record version within the system.

Example: 2025-10-16T14:30:31.892Z

{
    "required":[
        "state",
        "studyVersion",
        "subjectNumber"
    ],
    "type":"object",
    "properties":{
        "screeningDate":{
            "type":"string",
            "description":"Screening date if applicable",
            "format":"date-time",
            "example":"2025-10-01T10:00:00Z"
        },
        "id":{
            "type":"string",
            "description":"Unique identifier (UUID, 32-character uppercase hexadecimal string) of the subject",
            "example":"1BC29B36F5D64B1B95F4BDBBCEA481BE"
        },
        "versionStart":{
            "type":"string",
            "description":"The timestamp marking the beginning of the validity period for this record version within the system.",
            "format":"date-time",
            "example":"2025-10-16T14:30:31.892Z"
        },
        "description":{
            "maxLength":500,
            "minLength":0,
            "type":"string",
            "description":"Free text description for the subject",
            "example":"Screened subject"
        },
        "subjectNumber":{
            "maxLength":500,
            "minLength":0,
            "type":"string",
            "description":"Unique subject Number representing the patient/participant enrolled in the study.",
            "example":"SUBJ-0001"
        },
        "studyId":{
            "type":"string",
            "description":"Unique identifier of the study. Uses UUID in a 32-character uppercase hexadecimal string format.",
            "example":"ABCDEF1234567890ABCDEF1234567890"
        },
        "siteId":{
            "type":"string",
            "description":"Unique identifier of the site. Uses UUID in a 32-character uppercase hexadecimal string format.",
            "example":"ABCDEF1234567890ABCDEF1234567890"
        },
        "dob":{
            "type":"string",
            "description":"Date of birth",
            "format":"date-time"
        },
        "state":{
            "maxLength":100,
            "minLength":0,
            "type":"string",
            "description":"Lifecycle state of the subject in the study.  Reflects the subject???s current status. Common values include: <ul><li>New</li><li>Active</li><li>Screening_Initiated</li><li>Screen_Failed</li><li>Withdrawn</li><li>Auto_Screen_Failed</li><li>Complete</li><li>Enrolled</li></ul>",
            "example":"Active"
        },
        "stateDate":{
            "type":"string",
            "description":"Timestamp when the subject transitioned to current state",
            "format":"date-time",
            "example":"2025-10-16T14:30:31.892Z"
        },
        "screeningFailure":{
            "maxLength":255,
            "minLength":0,
            "type":"string",
            "description":"Reason for screening failure, if any",
            "example":"Inclusion criteria not met"
        },
        "enrollmentFailure":{
            "maxLength":255,
            "minLength":0,
            "type":"string",
            "description":"Reason for enrollment failure, if any",
            "example":"Consent withdrawn"
        },
        "enrollmentOverride":{
            "maxLength":255,
            "minLength":0,
            "type":"string",
            "description":"If subject enrollment is overridden.",
            "example":"Subject Enrollment Overridden"
        },
        "informedConsentDate":{
            "type":"string",
            "description":"Informed consent date",
            "format":"date-time",
            "example":"2025-09-25T09:00:00Z"
        },
        "gender":{
            "maxLength":10,
            "minLength":0,
            "type":"string",
            "description":"Gender value",
            "example":"[{\"value\":\"1\",\"label\":\"male\"}]"
        },
        "reason":{
            "maxLength":255,
            "minLength":0,
            "type":"string",
            "description":"Reason for latest subject update",
            "example":"Protocol break happened"
        },
        "comment":{
            "maxLength":2048,
            "minLength":0,
            "type":"string",
            "description":"Comment for latest subject update",
            "example":"Initial enrollment"
        },
        "studyVersion":{
            "type":"string",
            "description":"String representing the version of the study. Helps track changes in form or study design.",
            "example":"3.0.0.1"
        }
    },
    "description":"Base subject details including identity, demographics, study and site context, and state transitions"
}

400 Response

Bad request.

Root Schema : DcsResponse

Type: object

Show Source

errorData: object ErrorResponseData
result: object result
status: string
version: integer (int32)

{
    "type":"object",
    "properties":{
        "status":{
            "type":"string"
        },
        "result":{
            "type":"object"
        },
        "version":{
            "type":"integer",
            "format":"int32",
            "writeOnly":true
        },
        "errorData":{
            "$ref":"#/components/schemas/ErrorResponseData"
        }
    }
}

Nested Schema : ErrorResponseData

Type: object

Show Source

details: object details
errorCode: string
errorMessage: string

{
    "type":"object",
    "properties":{
        "errorCode":{
            "type":"string"
        },
        "errorMessage":{
            "type":"string"
        },
        "details":{
            "type":"object"
        }
    }
}

Nested Schema : result

Type: object

Nested Schema : details

Type: object