Personalized Elective Neck Irradiation Guided by Sentinel Lymph Node Biopsy in Larynx and Pharynx Cancer. The PRIMO Study. — StellaPhase 3 — Large-scale testing across thousands of people, comparing the new treatment against current standard treatments.
Trial locations(9 sites)
Netherlands
The Netherlands Cancer Institute, Amsterdam Radiotherapiegroep / Rijnstate Ziekenhuis, Arnhem Medisch Spectrum Twente (MST), Enschede University Medical Center Groningen, Groningen Leiden University Medical Center, Leiden MAASTRO Clinic / Maastricht University Medical Center, Maastricht Radboud University Nijmegen Medical Center, Nijmegen Erasmus Medical Center, Rotterdam University Medical Center Utrecht, Utrecht Age range
18 Years and older
Last updated November 2025