Process of Harmonization In ICH

Process of Harmonization In ICH

The harmonization activities of ICH may fall into one of four categories: Formal ICH Procedure, Q & A Procedure, Revision Procedure, and Maintenance Procedure.


ICH Procedures


Type of Procedure

Deals with

Formal ICH Procedure

New topic for harmonization

Q & A Procedure

Clarification for an existing ICH Guideline

Revision Procedure

Adding new information to an existing ICH Guideline

Maintenance Procedure

Changes to be made to maintain a guideline


First, a Concept Paper is prepared for the activity to be harmonized. This is a summary of the concept being proposed. Sometimes, a business plan may also be prepared to highlight the cost-benefit ratio of the harmonizing activity.


The formal ICH procedure then begins, in the following steps:


Step 1: Building consensus: Based on the objectives specified in the Concept Paper, a working group prepares a consensus draft called the Technical Document. The working group’s technical experts sign off on this, and the Step 1 Experts Technical Document is submitted to the ICH Assembly with a request for adoption.


Step 2: (a) Based on the report: The assembly confirms that the scientific consensus exists for the technical issues, and the Technical Document may proceed further for regulatory consultation.


(b) This draft guideline is examined and endorsed by regulatory members of the ICH Assembly.


Step 3: This happens in three different stages: Consultation, discussion, and finalization of the Expert Draft Guideline by regulatory members at different levels.


Stage 1: The draft guideline goes to the different ICH regions for discussion in their respective regulatory regions.


Stage 2: All comments obtained during stage 1 are addressed by the expert working group and after discussion, consensus is reached to prepare the step 3 Experts Draft Guideline.


Stage 3: This draft guideline is finalized and signed by the ICH regulatory member experts. The document is sent to ICH Assembly regulatory members for further proceeding to step 4.


Step 4: ICH Assembly regulatory members agree that sufficient scientific consensus exists on the draft guideline, and it gets adopted as the ICH Harmonized Guideline.


Step 5: The ICH Harmonized Guideline is implemented in all the ICH regions through their respective regulatory procedures. Information about when it has become effective is sent to the ICH Assembly and published on the ICH website.

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