Titus could you elaborate on what you mean?
According to my reading of DeWitt, it seems St. Paul is able to offer something greater than the fullness of pleasure to the former Epicureans. He is offering the fullness of the life of immortal beings. These are just some thoughts that touched me while reading your comments on Lucian.
Concerning your initial question, I personally would see pleasure as part of the epistemology rather than something to be treated in the quite ethically centred principal doctrines.