The few instances of clones being used in the Star Trek series have been seen to have usually negative implications. And the artificial heart used to replace Picard's original organ (which was injured in a bar fight while he was in Star Fleet Academy decades before) is a bionic organ which seems to be what he still has been using well into his captaincy.
This raises the question as to why a new biological organ wasn't replicated. It could be that the bionic organs were simply seen as more efficient... but I suspect it may be possible that cloning organs alone may be frowned upon, let alone cloning a whole person. This may at least be the case within the Federation.
Is there any information to confirm this?