About

John R. de Almeida is a leading head and neck surgical oncologist whose research has fundamentally shaped the evidence base for transoral robotic surgery (TORS) in the treatment of oropharyngeal cancers. His work spans clinical trials, systematic reviews, cost-effectiveness analyses, and quality-of-life assessments, making him one of the most comprehensive voices in minimally invasive head and neck oncology. De Almeida is perhaps best known for leading the landmark ORATOR trial, a phase 2 randomized study directly comparing radiotherapy to transoral robotic surgery and neck dissection for oropharyngeal squamous cell carcinoma — a study that has garnered over 458 citations since its 2019 publication and whose five-year final results were published in 2024. His multi-institutional work validating oncologic outcomes of TORS across large patient cohorts (304 citations) and his systematic reviews comparing TORS to intensity-modulated radiotherapy (258 citations) have provided the field with critical comparative effectiveness data. Beyond efficacy, de Almeida has pioneered economic and patient-centered perspectives, publishing influential cost-utility analyses and preference-based quality-of-life studies. His reconstructive classification system for transoral oropharyngeal defects further demonstrates his broad surgical expertise. With over 1,500 cumulative citations, his body of work continues to directly inform surgical and oncological decision-making worldwide.

Research Focus

Key Achievements

20
H-Index
35
Papers
1,913
Total Citations
55
Avg Citations/Paper
🏆 Most Cited Paper
Radiotherapy versus transoral robotic surgery and neck dissection for oropharyngeal squamous cell carcinoma (ORATOR): an open-label, phase 2, randomised trial
458 citations · 2019
📈 Most Prolific Year: 2019 (8 Papers)
🤝 Key Collaborators: 188
🏛 Institutions: University Health Network, Princess Margaret Cancer Centre, University of Toronto, Mount Sinai Medical Center, Icahn School of Medicine at Mount Sinai, Toronto General Hospital

Top Papers

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Key Collaborators

Contact & Links

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Content generated · 13 days ago