Well they wouldn't be the same, but there's more data to analyze.
I'm going to find out a bit more in a minute.
Isn't it normal for CNS stimulants to effect hormones that double as neurotransmitters to be fed into the bloodstream?
From wiki it's unclear if it induces reverse transport. But no surprise there that the NE/D ration is pretty high overall.
It's a bit complicated. Amp and relatives very weakly bind to NET/DAT as a sort of side effect of being absorbed presnynaptically, so they bind to it on the way of making it into presynaptic vesicles, and ultimately get re-released by excytosis. If phentermine induces reverse transport, I'd expect it to be an NDRI, but to a little amount. A high NDRI mechanism would point more logically to it just being an NDRI. But wiki says it essentially acts as an agonist of adrenergic receptors, yet it's still unclear if the facilitated exchange diffusion occurs.
I don't know much about the biology of TAAR activation causing secondary neurotransmitter systems to be activated, but I do know that it means more activation. TAAR1 is the most studied.
One source calls is an "atypical amphetamine". From another (somewhat suspect) source: "stimulates
neuron bundles to release a particular group of neurotransmitters known as
catecholamines ", which kind of sounds like reverse transport?
So as of 2012 they use it in conjunction with topiramate for obesity, allowing them to decrease phentermine levels, which in the end is best. Topiramate is an anticonvulsant and mood stabilizer, so I couldn't guess how it reduces hunger. Perhaps more GABA calming people whose body is otherwise telling their brain that they are in desperate need of food. But then again if this were true, we'd see others of the same class in use.
I still don't understand why they don't use phentermine, and relatives like diethylpropion, for ADHD, as their profile shows them to be less abusable. Amphetamine and methylphenidate used to be used for hunger.
edit: it's well-known that ethanol and even more pure GABA-promoting drugs like benzos can induce hunger, so the above hypothesis is dubious.