Investigator Responsibilities
Werayut Kunasirirat
Aug 11, 2010

Investigator
Ensure subject safety
Develop reliable data


How investigator should be?
  • Have good resource
  • Understand IRB requirement
  • Understand inform consent process
  • Execute effective patient management
  • Adhere to Protocol

Have Good Resource
Investigators’ qualification
  • Education
  • Training
  • Experience

Investigator Qualifications
  • Understand and Comply with GCP
  • Familiar with study product
  • Understand Study protocol

Recruitment Potential
  • Subject pool
  • Subject resource

Recruitment Strategy
  • Study design and Timeline
  • Subject Population (healthy subject or patient)
  • Aware of study challenge and timeline
  • Recruitment Source
  • Recruitment Method
  • Recruitment Material
  • Recruitment Plan
  • Recruitment Tracking

Recruitment Source

Have Good Resource
  • Qualified staff
  • Qualified facilities

Facility


  • Investigator has sufficient time to conduct and complete the study
  • Site staffs are adequately informed on study related information.
     
Study Product
  • Store in accordance with protocol
  • Use in accordance with protocol
  • Accountability of study product
  • Properly maintain the record
        - Delivery and return
        - inventory
        - Use of study product
  • Reconciliation of study product

Understand IRB Requirement
  • Provide study related doc to IRB/ERC for review and approve
        - Protocol, Inform consent, investigator’s brochure or others
  • Sign protocol or alternative contract to confirm an agreement
  • Ensure the written approval on protocol, inform consent and other written doc provided to subject
  • Provide any updated doc for review and approval
        - Protocol, Inform consent, investigator’s brochure or others
  • Progress Report
        - Submit study update to IRB/ERC accordingly
        - Promptly report to IRB/ERC if any significant change to study or increase risk to subject
  • Safety Report
        - Immediately report any serious adverse event to sponsor
        - Follow IRB/ERC regulation on any of AE report
        - Use code number to identify subject
        - In case of dead, additional information such as autopsy is needed
  • Final Report
        - Notify IRB/ERC upon completion
        - Providing IRB/IEC with a summary of the trial’s outcome

Understand Inform Consent Process
  • Obtain IC before a subject enters the study
  • Use the most understandable language to communicate
  • Avoid coerce or unduly influence a subject
  • No language waive or appear to waive any legal right or liability for negligence
  • Provide time and opportunity to read and decide
  • Answer all questions
  • Inform consent
        - Personally signed and dated by subject or legal representative
  • An impartial witness is presented through out the process of inform consent if a subject is unable to read
  • An impartial witness must personally sign and date
  • New information in inform consent should be informed to a subject in the timely manner after IRB/ERC review and approve

Execute Effective Subject Management
  • Medical Care of Subject
        - Responsible for study related medical decisions
        - Adequate medical care is provided in the event of AE during the study
        - Inform a subject’s primary doctor of subject participation
  • Premature Termination/Suspension
        - Promptly inform subject
        - Assure appropriate therapy and follow up for the subject
        - Comply with any IRB/ERC or regulatory requirement
If investigator terminates or suspends the study without prior agreement with the sponsors, must inform
  • Sponsor
  • IRB/IEC
  • Provide written explanation to sponsor and IRB/IEC for the termination
If IRB/IEC terminates or suspends its approval
  • Inform the institution
If sponsor terminates or suspends a study
  • Inform IRB/IEC and Investigator
  • provide explanation of the termination or suspension

Adhere to Protocol
  • Randomization procedures and unblinding
        - Following protocol randomization procedure
        - Unblinding according to protocol
        - Document and notify on any premature unblinding
  • Record and Report
        - Ensure accuracy, completeness, legibility and timeliness of data entered to the case report form
        - Ensure the consistency of the data
        - Ensure that any change to the data is initialed, dated and explained

Example:

Source Document CRF
  • Retain any document drop under essential document
  • Prevent accidental or premature destruction of document
  • Make available for monitoring , auditing or inspecting


Essential Document (ICH GCP 8)