[Question] reconstituted vial left out for five hours — bin it or not
Question in the title, detail here: reconstituted vial left out for five hours — bin it or not. You cannot infer potency from a temperature record. The record tells you what happened to the box; only a test tells you what happened to the material. Ordered from the warehouse in Denmark instead of origin and the…
Lyophilisation removes the water that drives most degradation pathways. That is why the dry cake is comparatively robust and the reconstituted solution is not.
Seasonality, which the source-page lane tables show clearly once you look for it.
The same origin, destination and carrier can differ by several days between February and August, and the temperature exposure differs by much more than the transit time suggests. A lane that is uneventful in winter is the same lane that generates the summer threads.
Two practical consequences. First, compare like months when you compare lanes. Second, ask which lines a supplier holds in regional stock — a shorter leg in July is worth more than any amount of packaging.
Was there a logger in the box?
a warm gel pack tells you the pack failed, not that the material did
That is a lane problem rather than a packaging problem, and the fixes are different.
ask what storage condition the stability statement was written against
light matters more than people think for some of these