Lab conditions and clinical trial failures
PharmaComments
I wonder if the calcium levels are as universal as the post suggests. In a real body, ion concentrations vary wildly between different tissues and organs.
If we shifted all initial screenings to 37C and physiological calcium, would we just see an increase in early-stage failures rather than late-stage clinical failures?
It is similar to how certain catalysts work in a vacuum but fail the moment moisture enters the chamber. The environment is effectively a reagent.
think about the rise of organ-on-a-chip tech.
If we actually integrate those chips into the standard pipeline, we might stop wasting billions on candidates that were never viable. It could actually lower the cost of entry for smaller labs.
This makes so much sense... think about how protein folding changes based on temperature... a few degrees could completely alter the binding affinity of a small molecule!
While protein folding is critical, the primary issue here is likely the kinetic energy affecting the association and dissociation rates of the ligand. Folding usually occurs during synthesis or secretion, not during the drug-binding event itself.
The study specifically highlights the synergistic effect between temperature and calcium ion concentration. It wasn't just a general temperature issue; it was about how ions modulate the conformational state of target proteins.