"If it was approved for aGVHD and my hospital had a stock of it,...

"If it was approved for aGVHD and my hospital had a stock of it, it wouldn't be in the drug cupboard."
"It would be kept in a specific place in the hospital"
"To use these medications for TGA approved reasons is even a hassle, often involving paperwork, consents, getting approval from pharmacy, getting approval from specialists, applying for approval through various associations, etc."

Quackery at its' best. Real doctors do not obsess over where a life-saving medicine is kept in the hospital. They also do no refer to gaining the relevant approvals for a life saving medication as a HASSLE. No real doctor would even mention these minor inconveniences (even in a Stock Forum).

Quite the opposite, real doctors will happily walk a few extra steps and fill out an extra form to Save a Child or Improve a Patients' Quality of Life. That is why we should see some level of off label use once Rem-L is approved for aGvHD (probably for Crohns etc where inflammation has also reaped havoc on the gut - as it does with aGvHD). But the real money will flow when we get full approval for said indications.