Michael Hofman: Patients Don’t Benefit From a First Dose, They Benefit From Enough Dose
Michael Hofman/petermac.org

Michael Hofman: Patients Don’t Benefit From a First Dose, They Benefit From Enough Dose

Michael Hofman, Nuclear Medicine Physician at Peter MacCallum Cancer Centre, shared a post on X:

” ‘First patient dosed.’

Great. So what was the dose?

In theranostics, “dosed” isn’t a press-release verb – it’s a number you already have. If you’ve treated your first patient, you’re sitting on the pre-therapy PET/CT and post-therapy SPECT/CT.

So skip the milestone celebration and give us what actually matters.

  • Tumour dose (Gy)
  • Normal organ doses (Gy)

Because radiation delivery to the tumour is the whole game. No dose, no response – it’s mechanistic, not magical. An radiopharmaceutical that can’t get meaningful Gy into tumour has no chance of helping the patient in front of you.

That differentiates theranostics from conventional drug development: we can see futility early. Pre-therapy PET tells us if the target lights up (SUV). Post-therapy dosimetry tells us if the radiation stuck (Gy). Every “first patient dosed” headline is sitting on precisely this data – and choosing not to show it.

So show us.

Patients don’t benefit from a first dose. They benefit from enough dose.”

Michael Hofman

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