Looks like the healthy volunteer study just completed enrollment (per an update a few days ago) https://classic.clinicaltrials.gov/ct2/history/NCT05580003?B=9&A=8&C=merged#StudyPageTop They are running a study in covid patients now that has a primary completion date of feb 2024 which is analogous to enta's sprint study from what I can tell https://clinicaltrials.gov/study/NCT05799495?term=PF-07817883&rank=4