I thought the consensus was that the trial sponsor
Post# of 72440
https://firstclinical.com/fda-gcp/?show=2013/...t=fulllist
https://clinicaltrials.gov/ct2/about-studies/...nd-masking
The protocol on clinicaltrials.gov on the P2B shows masking of the investigator, care giver and patient. It says nothing about the sponsor so I believe they may have access to everything. At a minimum they have the blinded patient profiles which includes adverse effects and the raw data. Those PASI75s and PASI90s will stick out like a sore thumb.
Go IPIX!