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Classifying protocol amendment impact in Türkiye

Turn a protocol change into an impact assessment covering consent, sites, product supply, systems and regulatory implementation.

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An amendment's operational scope often exceeds its redline. A changed visit window can alter consent wording, laboratory bookings, database checks and pharmacy instructions at the same time.

Classify before scheduling implementation

Use the current TİTCK application and ethics guidance to determine the relevant submission category and decision requirements. Do not label every change administrative because it appears short. Equally, do not infer a mandatory route from another country's classification without a Türkiye assessment.

Create a change impact map

We recommend an impact map linking each protocol change to participant risk, consent, product information, site materials and electronic systems. Give every affected document a version, owner and release condition. Keep the regulatory decision separate from the sponsor's technical readiness decision so both are visible.

Check the dependent records

  • Compare the clean protocol with the redline and resolve unexplained differences.
  • Identify participants needing information or reconsent and assign a medical reviewer.
  • Link revised visit procedures to manuals, budgets, database rules and training.
  • Record required decisions and confirm site readiness before the planned release.

Avoid mixed protocol versions

A central approval tracker should show which site may use which version. Withdraw superseded materials in a controlled way and retain their history. If implementation dates differ between sites, explain how data and participant communications will remain interpretable.

Frequently asked questions

Does a minor wording change always avoid review?
No. Assess its effect and the current local guidance rather than relying on document length.
Can training start while review is pending?
Preparatory training can be planned, but it must not be confused with permission to implement the change.

Sources

  1. TİTCK — Clinical research application guidance and module notes
  2. TİTCK — Ethics committee application guidance