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• Request
• Response

V5.0

get

/ec-dc-svc/rest/v5.0/studies/{studyId}/{mode}/subjects

Lists all subjects with lock status for the specified study and mode. It only returns subjects for the sites to which the requesting user has access and describes details in the Response section for each subject with lock status and includes completion and withdrawal dates.

Request

Path Parameters

• mode(required): string
  Mode of the study, accepts: test, active, or training.

  Example:

  test

• studyId(required): string(uuid)
  Unique identifier (UUID, 32-character uppercase hexadecimal string) representing the study.

  Example:

  CDC29B36F5D64B1B95F4BDBBCEA481BE

There's no request body for this operation.

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Response

Supported Media Types

• application/json

200 Response

Success

Body ()

Root Schema : schema

Type: array

Show Source

• Array of: object SubjectRespDto13
  Subject details including screening, randomization, completion status and withdrawal information

{
    "type":"array",
    "items":{
        "$ref":"#/components/schemas/SubjectRespDto13"
    }
}

Nested Schema : SubjectRespDto13

Type: object

Subject details including screening, randomization, completion status and withdrawal information

Show Source

• canBeCompleted: boolean
  Indicates if the subject has met conditions to be completed

  Example: true
• 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
• ehrLinkStatus: number
  EHR link status code for the subject

  Example: 1
• 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  Example: Consent withdrawn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
• eventType: string
  Event Type for Subject, can have value New, Screened, Randomized, Withdrawn, Undo_Withdrawn, Randomization_Replaced, Transferred, Screen_Failed, Undo_Randomization.

  Example: Screened
• freezedStatus: string
  Frozen status of the record can have values NOT_APPLICABLE, FROZEN, UNFREEZE.

  Example: FROZEN
• fromStudyId: string
  Origin study identifier (UUID, 32-character uppercase hexadecimal string) from which the subject was transferred

  Example: 5D5F9311C591424F852B99FD902E98A4
• gender: string
  Minimum Length: 0

  Maximum Length: 10

  Gender value

  Example: [{"value":"1","label":"male"}]
• hasLockData: boolean
  Indicates whether lock related data exists for the subject

  Example: false
• 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
• lastSigned: string (date-time)
  Timestamp when the subject was last signed

  Example: 2025-10-16T14:30:31.892Z
• lockedDateTime: string (date-time)
  Timestamp when the subject was locked

  Example: 2025-10-16T14:30:31.892Z
• lockedInStudyVersion: string
  Study version in which the subject is locked

  Example: 3.0.0.4
• lockedStatus: string
  Lock status of the subject,applicable values are LOCKED, UNLOCKED

  Example: UNLOCKED
• mhealthSubjectId: string
  Unique Identifier (UUID, 32-character uppercase hexadecimal string) of the subject in mHealth system.

  Example: 1BC29B36F5D64B1B95F4BDBBCEA481BE
• objectVersionNumber: number
  Object version number

  Example: 14
• operationType: string
  Operation type on the record, can have values CREATED, MODIFIED or REMOVED

  Example: MODIFIED
• previousSubjectNumber: string
  Previous subject number if renumbered or transferred

  Example: SUBJECT-0001-OLD
• randomizationNumber: string
  Randomization number assigned to the subject if applicable.

  Example: RND-001
• reason: string
  Minimum Length: 0

  Maximum Length: 255

  Reason for latest subject update

  Example: Protocol break happened
• screenFailureComment: string
  Additional comment for screen failure

  Example: Subject breached protocols
• screenFailureDate: string (date-time)
  Date when the subject was marked as screen failure

  Example: 2025-10-16T14:30:31.892Z
• 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
• screeningNumber: string
  Screening number assigned to the subject

  Example: SCR-0001
• signedStatus: string
  Signed status for workflow, the acceptable values are: NEVER_SIGNED, SIGNED, UNSIGNED, NEVER_SIGNED.

  Example: SIGNED
• siteId: string
  Unique identifier (UUID, 32-character uppercase hexadecimal string) representing the clinical site.

  Example: ABCDEF1234567890ABCDEF1234567890
• softwareVersionNumber: number
  Software version number associated with the event

  Example: 14
• sourceTimeStamp: string (date-time)
  Source system timestamp for the subject payload

  Example: 2025-10-16T14:30:31.892Z
• state(required): string
  Minimum Length: 0

  Maximum Length: 100

  Lifecycle state of the subject.The state can be New, Active, Screening_Initiated, Screen_Failed, Withdrawn, Auto_Screen_Failed, Complete or Enrolled.

  Example: Active
• stateDate: string (date-time)
  Timestamp when the subject transitioned to current state

  Example: 2025-10-16T14:30:31.892Z
• studyCompletionDate: string (date-time)
  Date when the subject completed the study

  Example: 2025-10-16T14:30:31.892Z
• studyId: string
  Unique identifier (UUID, 32-character uppercase hexadecimal string) representing the study.

  Example: ABCDEF1234567890ABCDEF1234567890
• studyVersion(required): string
  String representing the version of the study configuration or protocol. 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
• subjectSiteSerialNumber: string
  Site-level serial number assigned to the subject

  Example: SITE-0001-001
• subjectStudySerialNumber: string
  Study-level serial number assigned to the subject

  Example: STUDY-0001-001
• subjectTransferId: string
  Unique Identifier(UUID, 32-character uppercase hexadecimal string) of a subject transfer if applicable

  Example: 1BC29B36F5D64B1B95F4BDBBCEA481BE
• subjNumSiteOrgId: string
  Subject number site organization identifier (UUID, 32-character uppercase hexadecimal string)

  Example: 5D5F9311C591424F852B99FD902E98A4
• verifiedStatus: string
  Verified status for review workflow,the acceptable values are: NEVER_VEIFIED, VERIFIED, UNVERIFIED, NOT_APPLICABLE.

  Example: VERIFIED
• versionEnd: string (date-time)
  End timestamp of the subject version record

  Example: 2025-10-16T14:30:31.892Z
• 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
• withdrawalComment: string
  Additional comment provided for withdrawal

  Example: Subject breached protocols
• withdrawalDate: string (date-time)
  Date when the subject was withdrawn

  Example: 2025-10-16T14:30:31.892Z
• withdrawalReason: string
  Reason provided when the subject is withdrawn

  Example: Not applicable

{
    "required":[
        "state",
        "studyVersion",
        "subjectNumber"
    ],
    "type":"object",
    "properties":{
        "screeningDate":{
            "type":"string",
            "description":"Screening date if applicable",
            "format":"date-time",
            "example":"2025-10-01T10:00:00Z"
        },
        "eventType":{
            "type":"string",
            "description":"Event Type for Subject, can have value New, Screened, Randomized, Withdrawn, Undo_Withdrawn, Randomization_Replaced, Transferred, Screen_Failed, Undo_Randomization.",
            "example":"Screened"
        },
        "subjectTransferId":{
            "type":"string",
            "description":"Unique Identifier(UUID, 32-character uppercase hexadecimal string) of a subject transfer if applicable",
            "example":"1BC29B36F5D64B1B95F4BDBBCEA481BE"
        },
        "objectVersionNumber":{
            "type":"number",
            "description":"Object version number",
            "example":14
        },
        "mhealthSubjectId":{
            "type":"string",
            "description":"Unique Identifier (UUID, 32-character uppercase hexadecimal string)  of the subject in mHealth system.",
            "example":"1BC29B36F5D64B1B95F4BDBBCEA481BE"
        },
        "fromStudyId":{
            "type":"string",
            "description":"Origin study identifier (UUID, 32-character uppercase hexadecimal string) from which the subject was transferred",
            "example":"5D5F9311C591424F852B99FD902E98A4"
        },
        "subjNumSiteOrgId":{
            "type":"string",
            "description":"Subject number site organization identifier (UUID, 32-character uppercase hexadecimal string) ",
            "example":"5D5F9311C591424F852B99FD902E98A4"
        },
        "signedStatus":{
            "type":"string",
            "description":"Signed status for workflow, the acceptable values are:  NEVER_SIGNED, SIGNED, UNSIGNED, NEVER_SIGNED.",
            "example":"SIGNED"
        },
        "verifiedStatus":{
            "type":"string",
            "description":"Verified status for review workflow,the acceptable values are: NEVER_VEIFIED, VERIFIED, UNVERIFIED, NOT_APPLICABLE.",
            "example":"VERIFIED"
        },
        "freezedStatus":{
            "type":"string",
            "description":"Frozen status of the record can have values NOT_APPLICABLE, FROZEN, UNFREEZE.",
            "example":"FROZEN"
        },
        "lastSigned":{
            "type":"string",
            "description":"Timestamp when the subject was last signed",
            "format":"date-time",
            "example":"2025-10-16T14:30:31.892Z"
        },
        "softwareVersionNumber":{
            "type":"number",
            "description":"Software version number associated with the event",
            "example":14
        },
        "operationType":{
            "type":"string",
            "description":"Operation type on the record, can have values CREATED, MODIFIED or REMOVED",
            "example":"MODIFIED"
        },
        "subjectStudySerialNumber":{
            "type":"string",
            "description":"Study-level serial number assigned to the subject",
            "example":"STUDY-0001-001"
        },
        "subjectSiteSerialNumber":{
            "type":"string",
            "description":"Site-level serial number assigned to the subject",
            "example":"SITE-0001-001"
        },
        "versionEnd":{
            "type":"string",
            "description":"End timestamp of the subject version record",
            "format":"date-time",
            "example":"2025-10-16T14:30:31.892Z"
        },
        "previousSubjectNumber":{
            "type":"string",
            "description":"Previous subject number if renumbered or transferred",
            "example":"SUBJECT-0001-OLD"
        },
        "screenFailureDate":{
            "type":"string",
            "description":"Date when the subject was marked as screen failure",
            "format":"date-time",
            "example":"2025-10-16T14:30:31.892Z"
        },
        "lockedStatus":{
            "type":"string",
            "description":"Lock status of the subject,applicable values are LOCKED, UNLOCKED",
            "example":"UNLOCKED"
        },
        "hasLockData":{
            "type":"boolean",
            "description":"Indicates whether lock related data exists for the subject",
            "example":false
        },
        "lockedDateTime":{
            "type":"string",
            "description":"Timestamp when the subject was locked",
            "format":"date-time",
            "example":"2025-10-16T14:30:31.892Z"
        },
        "canBeCompleted":{
            "type":"boolean",
            "description":"Indicates if the subject has met conditions to be completed",
            "example":true
        },
        "lockedInStudyVersion":{
            "type":"string",
            "description":"Study version in which the subject is locked",
            "example":"3.0.0.4"
        },
        "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 (UUID, 32-character uppercase hexadecimal string) representing the study.",
            "example":"ABCDEF1234567890ABCDEF1234567890"
        },
        "siteId":{
            "type":"string",
            "description":"Unique identifier (UUID, 32-character uppercase hexadecimal string) representing the clinical site.",
            "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.The state can be New, Active, Screening_Initiated, Screen_Failed, Withdrawn, Auto_Screen_Failed, Complete or Enrolled.",
            "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 configuration or protocol. Helps track changes in form or study design.",
            "example":"3.0.0.1"
        },
        "sourceTimeStamp":{
            "type":"string",
            "description":"Source system timestamp for the subject payload",
            "format":"date-time",
            "example":"2025-10-16T14:30:31.892Z"
        },
        "screeningNumber":{
            "type":"string",
            "description":"Screening number assigned to the subject",
            "example":"SCR-0001"
        },
        "randomizationNumber":{
            "type":"string",
            "description":"Randomization number assigned to the subject if applicable.",
            "example":"RND-001"
        },
        "withdrawalReason":{
            "type":"string",
            "description":"Reason provided when the subject is withdrawn",
            "example":"Not applicable"
        },
        "ehrLinkStatus":{
            "type":"number",
            "description":"EHR link status code for the subject",
            "example":1
        },
        "withdrawalDate":{
            "type":"string",
            "description":"Date when the subject was withdrawn",
            "format":"date-time",
            "example":"2025-10-16T14:30:31.892Z"
        },
        "studyCompletionDate":{
            "type":"string",
            "description":"Date when the subject completed the study",
            "format":"date-time",
            "example":"2025-10-16T14:30:31.892Z"
        },
        "withdrawalComment":{
            "type":"string",
            "description":"Additional comment provided for withdrawal",
            "example":"Subject breached protocols"
        },
        "screenFailureComment":{
            "type":"string",
            "description":"Additional comment for screen failure",
            "example":"Subject breached protocols"
        }
    },
    "description":"Subject details including screening, randomization, completion status and withdrawal information"
}

Examples

Select an example subject Details

400 Response

Bad request.

Body ()

Root Schema : DcsResponse

Type: object

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• 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

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