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Surveillance vs Standard Surgery and Cost-Effectiveness After Neoadjuvant Chemoradiotherapy for Esophageal Cancer: Secondary Analysis of a Randomized Clinical Trial

*Corresponding author for this work
  • Radboud University Medical Center
  • Maasstad Hospital
  • Reinier de Graaf Groep
  • Ziekenhuisgroep Twente
  • Netherlands Cancer Institute
  • Medical Centre Leeuwarden
  • Leiden University
  • ETZ Elisabeth
  • Gelre Ziekenhuizen
  • Catharina Hospital
  • Zuyderland Medical Center (Heerlen)
  • University Medical Centre Utrecht

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Importance: 

Active surveillance is noninferior to standard surgery for 2-year survival and improves short-term health-related quality of life among patients with a complete clinical response (CCR) after neoadjuvant chemoradiotherapy (nCRT) for esophageal cancer. Although active surveillance reduces the upfront costs of surgery and hospital stay, it requires repeated diagnostic tests and, for some patients, delayed surgery and hospitalization during follow-up. 

Objective: 

To assess the cost-effectiveness of active surveillance compared with standard surgery after nCRT. 

Design, Setting, and Participants: 

This prespecified cost-effectiveness analysis from a health care perspective conducted at 12 hospitals in the Netherlands as a secondary analysis of the Surgery as Needed for Oesophageal Cancer (SANO) trial, a noninferiority, cluster randomized study, enrolled patients with esophageal cancer who achieved a CCR after nCRT between November 8, 2017, and January 17, 2021, with follow-up for up to 5 years. Data were analyzed on June 1, 2025. Interventions: Active surveillance, consisting of repeated response evaluations at 6, 9, 12, 16, 20, 24, 30, 36, 48, and 60 months after nCRT, compared with standard surgery. 

Main Outcome and Measures: 

Incremental cost-effectiveness of active surveillance vs standard surgery and quality-adjusted life-years (QALYs) with 95% CIs up to 5 years were derived with bootstrapping, with 80% of patients (247 of 309) having complete follow-up. Incremental net monetary benefit (iNMB) was calculated at varying willingness-to-pay thresholds. All analyses followed the modified intention-to-treat principle. Costs are given in Euros (currency exchange rate of 1 = US $1.16 as of June 11, 2026). Results: Among 309 patients (198 in the active surveillance group; median age, 69 years [IQR, 63-74 years]; 156 men [79%]; and 111 in the standard surgery group; median age, 68 years [IQR, 61-73 years]; 86 men [77%]), those in the active surveillance group had a mean of 2.99 QALYs (95% CI, 2.73-3.26) at 5 years vs 2.88 QALYs (95% CI 2.69-3.06) in the standard surgery group. Mean health care costs per patient at 5 years were 36733 (95% CI, 33530-40009) in the active surveillance group vs 45106 (95% CI, 39449-51545) in the standard surgery group. The incremental QALY for active surveillance was 0.11 (95% CI, -0.10 to 0.33) and mean costs were 8374 lower (95% CI, 1792-15355) compared with standard surgery. At a willingness-to-pay threshold of 80000 per QALY, the mean iNMB was 17568 (95% CI, -725 to 37497), indicating that active surveillance is cost-effective. Bootstrap analysis showed that 97% of replications fell in the cost-effective region.

Conclusions and Relevance:

In this secondary analysis of a randomized clinical trial of patients with esophageal cancer achieving a CCR after nCRT, active surveillance was cost-effective over a 5-year horizon compared with standard surgery. Broader implementation of this strategy among appropriately selected patients would most likely reduce health care costs without compromising health outcomes.

Original languageEnglish
Article numbere2624615
JournalJAMA network open
Volume9
Issue number7
DOIs
Publication statusE-pub ahead of print - 27 Jul 2026

Bibliographical note

Publisher Copyright:
© 2026 Gangaram Panday SSG et al.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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