Synlogica TERMINUS synlogica.ai →
QA · QP · Cold chain

A two-day excursion review.
Sealed in under a minute.

TERMINUS reads the logger data, identifies the excursion, runs the Arrhenius assessment against your own stability data and returns a QA/QP recommendation — with the audit trail already attached.

See the full report How the assessment works
Excursion report
Flagged
8 °C 2 °C 1 h 30 min above 8 °C
Activation energy
from ICH Q1A stability data
Shelf life lost
10 days
Expiry on the label
12 Mar 2028 → 02 Mar 2028
Illustrative example — figures from a simulated 2–8 °C lane.
What the review produces

Four questions, answered in one pass

Every excursion review answers the same four questions. The work is not the thinking — it is the assembling. That is the part TERMINUS takes.

01 — INGEST

What actually happened

Logger files and ambient sensor data are read as they come, without retyping into a sheet.

02 — IDENTIFY

Where the limit was crossed

Time above and below the labelled range, with the exposure window isolated to the minute.

03 — ASSESS

What the exposure cost

Arrhenius assessment with activation energy from your own ICH Q1A stability studies, then a post-exposure shelf-life simulation — not a rule of thumb.

04 — DECIDE

What QA signs

A recommendation with the reasoning and the audit trail attached. The decision stays yours; the assembling does not.

Open the worked example

A 2–8 °C shipment spends 1 h 30 min above 8 °C, peaking at 9.3 °C. The question QA has to answer is not whether the limit was crossed — the logger says that. It is what the exposure did to the remaining stability.

Activation energy comes from the stability studies for that product, not from a generic constant. The post-exposure simulation returns 10 days of shelf life lost, which moves the expiry on the label from 12 Mar 2028 to 02 Mar 2028.

That last line is the one an inspector reads. It is also the line a spreadsheet almost never produces, because the spreadsheet stops at “excursion: yes”.

Illustrative example built on simulated logger data. Your own figures depend on your product, your stability data and your lane.

What it replaces

The spreadsheet is not the problem. The reassembling is.

StepWith TERMINUS
Logger data pulled and pasted into a sheetRead directly
Excursion window worked out by eyeIsolated from the raw series
Ea looked up, sometimes assumedSourced from your ICH Q1A studies
Impact judged qualitativelyPost-exposure shelf life simulated
Justification written from memoryAudit trail generated with the decision

TERMINUS does not replace the systems you already run. It does the assessment that sits between the logger and the QA decision — the part that today lives in a spreadsheet, an email thread and one person's memory.

Bring one of your own excursions.

A 30-minute working session on a real case from your lane — your data, your stability studies, your call at the end.

Book a working session