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Learning path · 11 articles · about 22 min

GDP cold-chain compliance

Storage conditions, qualification, monitoring, excursions and data integrity — the temperature-control expectations of EU GDP and WHO guidance in one sequence.

For: Responsible persons, QA and logistics teams at wholesalers, 3PLs and pharmacies.

  1. 01GDP / GMPTemperature control under EU GDP: what is expectedEU GDP requires premises and equipment that maintain storage conditions, initial mapping before use, calibrated monitoring equipment, alarms, and records that demonstrate control.2 min
  2. 02GDP / GMPStorage condition labels explained: 2–8 °C, 15–25 °C, 'do not freeze'Label storage conditions derive from stability studies under ICH conditions. Each phrase has a defined meaning that sets the limits for mapping, monitoring and excursion assessment.2 min
  3. 03GDP / GMPWarehouse qualification under GDP: from URS to routine monitoringA qualified warehouse has a documented requirement, a mapping study that meets it, monitoring placed by the results, and a change-control trigger for re-qualification.2 min
  4. 04GDP / GMPQualifying temperature-controlled vehicles and shipping containersTransport equipment is qualified like storage: define the conditions, map with calibrated loggers under worst-case ambient and load, and monitor every shipment.2 min
  5. 05MonitoringWhat a continuous temperature monitoring system must doCapture at an appropriate interval, alarm reliably, store data securely with an audit trail, and keep working through power and network failures.2 min
  6. 06MonitoringAlarm limits vs acceptance limits: setting them correctlyAcceptance limits come from the product; alarm limits sit inside them to give time to act; alert (warning) limits sit inside those. Uncertainty and delay decide the gaps.2 min
  7. 07MonitoringReviewing and retaining monitoring recordsA monitoring record nobody reviews is not a control. Define the review frequency, what the reviewer checks, how the review is recorded, and how long records are kept.2 min
  8. 08GDP / GMPHandling temperature excursions in storage and distributionAn excursion is a deviation: contain, record, assess product impact against stability data, decide, and learn. The record must show all five steps.2 min
  9. 09GDP / GMPMean kinetic temperature (MKT): what it is and when to use itMKT is a single temperature that represents the cumulative thermal stress of a varying temperature history, weighted by the Arrhenius relationship. It is useful for storage assessment, not for hiding excursions.2 min
  10. 10GDP / GMPDeviations and CAPA for environmental control failuresAn excursion, a failed calibration or a mapping failure is a deviation. Classify it, investigate root cause proportionately, and close it with an action that prevents recurrence.2 min
  11. 11GDP / GMPData integrity for temperature records: ALCOA+ in practiceTemperature records are GxP records. Attributable, legible, contemporaneous, original, accurate — plus complete, consistent, enduring and available — is the checklist.2 min

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