[Question] how do you actually verify packaging
Trying to get a straight answer on this: how do you actually verify packaging.
Kept a vial at room temperature for eleven days by accident. Tested it out of guilt. It was fine.
Ordered from the warehouse in the Netherlands instead of origin and the transit went from a fortnight to 9 days. Entirely different proposition in August.
Split an order across two months deliberately to compare summer and winter transit on the same lane. Four days difference, same carrier.
Not medical advice, obviously, and nothing here is approved for human use. One person with a spreadsheet.
best — the order this archive was captured in
Lyophilisation removes the water that drives most degradation pathways. That is why the dry cake is comparatively robust and the reconstituted solution is not.
Lyophilisation removes the water that drives most degradation pathways.
Agreed, and a logger costs less than the vial you are worrying about.
Tracking number redacted. It identifies both ends of a shipment and that rule has no exceptions.
Push back: you cannot infer degradation from a temperature excursion alone. That is what testing is for.
Right, and asking what the stability statement was written against is one line of email that reframes everything.
Disagree with the panic framing. Lyophilised material tolerates ordinary transit conditions far better than these threads imply.
Not convinced. A warm pack on day six is expected behaviour from a pack designed for four.
Put a logger in three consecutive orders. Two never went above the range at all and the third spent four hours warm on a Friday. Cost me almost nothing to stop wondering.
Cosigning the regional stock point. Ordering from a warehouse in Canada took the whole question off my table.
I would not freeze it in solution. That is a different failure mode and a worse one.
ask which lines are held in regional stock before you order in July
That is the ambient temperature at the destination, not the temperature inside the box. The logger measures the second one.
a warm gel pack tells you the pack failed, not that the material did
Agreed on seasonality. The same lane in February and August is not the same lane.
Careful. "The cold chain failed" is a strong claim and the evidence you have is a warm box.
Careful.
Disagreeing with this line only: freezing a reconstituted vial is not a safe default.
a logger costs less than a vial and answers the question permanently
Do you know what storage condition the stability statement covers?
- 1ask which lines are held in regional stock before you order in July8 comments in this branch · started by u/kofi_ferreira