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Quality

Bracketing & matrixing (ICH Q1D)

TL;DR

Bracketing (test only the extremes of a design factor — lowest and highest strength, smallest and largest pack) and matrixing (test a planned fraction of the full sample set at each time point) are the ICH Q1D reduced-design techniques that legally shrink a supplement stabilit...

Bracketing (test only the extremes of a design factor — lowest and highest strength, smallest and largest pack) and matrixing (test a planned fraction of the full sample set at each time point) are the ICH Q1D reduced-design techniques that legally shrink a supplement stability programme without breaking the registration. The justification must show factor homogeneity and is the difference between a 3-strength, 2-pack programme costing 36 vs 12 sample timepoints.

Regulatory anchors
  • ICH Q1D
How V5 handles it
QMS — quality engineered into every action, not bolted on.
Because V5 owns the operator action, the QMS sees the data the second it’s captured — not at the end of the shift.
Document control with hard kiosk-level training enforcement.
Versioned SOPs are only useful if operators are actually trained on the current version. V5 enforces it at the kiosk.
Related terms
ICH stability zones (IVb hot-humid)
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