Study summary

Much less radiation after surgery cut long-term side effects

DART trial (Mayo Clinic) · 194 people, phase 3 · Published September 2025, Lancet Oncology

3%severe long-term side effects, vs 11% with standard treatment

What was tested

De-escalated radiation after transoral surgery (30-36 Gy over 2 weeks with docetaxel), against standard 60 Gy over 6 weeks with cisplatin, for HPV-positive oropharyngeal cancer.

What they found

What it means

Shows a much shorter, gentler course is feasible after surgery for well-selected patients.

Lancet Oncol, via PubMed ↗ ← Back to the outlook
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