Eh.. no? Mindfulness is something for which the results of trying it are testable. Pascal's Wager is a gamble about what happens beyond the verifiable. They are fundamentally different.
EDIT: Ok, fine, I'll bite: exactly the same how exactly?
Anti-depressants can cause suicide too: some people are too depressed to even commit suicide, and the anti-depressants give them enough mental energy to commit to that.
That doesn't mean anti-depressants are pseudo-science or a bad idea, it just means their usage must be determined on a case-by-case basis