The TRUST trial in ovarian cancer: a missed opportunity or a turning point? The position of the Italian MITO group - Report - MDSpire

The TRUST trial in ovarian cancer: a missed opportunity or a turning point? The position of the Italian MITO group

  • By

  • Martina Arcieri

  • Sandro Pignata

  • Domenica Lorusso

  • Anna Fagotti

  • Vito Chiantera

  • Antonino Ditto

  • Giorgio Valabrega

  • Claudia Marchetti

  • Claudio Zamagni

  • Valentina Tuninetti

  • Alberto Farolfi

  • Stefano Restaino

  • Giuseppe Vizzielli

  • May 28, 2026

  • 0 min

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Clinical Report: Evaluating the TRUST Trial in Ovarian Cancer Outcomes

Overview

Expand on the significance of the progression-free survival advantage and its implications for treatment strategies.

Background

Ovarian cancer remains a significant health challenge, particularly in advanced stages where treatment strategies can greatly influence outcomes. The TRUST trial's findings contribute to the ongoing debate regarding the optimal management of FIGO stage IIIB–IV ovarian cancer, emphasizing the role of surgery versus neoadjuvant chemotherapy. Understanding these dynamics is crucial for improving patient outcomes and guiding clinical practice.

Data Highlights

EndpointPrimary Debulking SurgeryNeoadjuvant Chemotherapy
Overall Survival (months)54.348.3
Progression-Free Survival (months)22.219.7
Hazard Ratio (Overall Survival)0.89-
Hazard Ratio (Progression-Free Survival)0.80-
Perioperative Mortality<1%-

Key Findings

  • The TRUST trial did not achieve its primary endpoint of overall survival.
  • Progression-free survival was significantly better with primary debulking surgery (22.2 months vs 19.7 months).
  • Inadequate selection criteria for surgical candidates may have impacted the trial's outcomes.
  • Overall survival as a sole endpoint may not adequately reflect treatment benefits in advanced ovarian cancer.
  • Subgroup analyses were limited by high heterogeneity and lack of molecular stratification.

Clinical Implications

Clinicians should consider validated selection tools for determining eligibility for primary debulking surgery to optimize patient outcomes. The findings suggest that while primary debulking surgery may offer progression-free survival benefits, careful patient selection is essential to avoid unnecessary morbidity.

Conclusion

The TRUST trial's results underscore the complexity of treatment decision-making in advanced ovarian cancer, highlighting the need for a balanced approach that incorporates both surgical and medical strategies tailored to individual patient profiles.

Related Resources & Content

  1. MITO Group, ASCO, 2025 -- Evaluating the TRUST Trial in Ovarian Cancer
  2. Neoadjuvant Chemotherapy for Newly Diagnosed, Advanced Ovarian Cancer: ASCO Guideline Update, Journal of Clinical Oncology, 2025
  3. ESMO Clinical Practice Guideline Express Update on the management of epithelial ovarian cancer, PMC, 2026
  4. Upfront Radical Cytoreductive Surgery Extends Progression-Free Survival in Advanced Ovarian Cancer, The ASCO Post, 2025
  5. The ASCO Post — Clinical Trial Participation May Be Associated With Improved Overall Survival in Patients With Ovarian Cancer
  6. The ASCO Post — Clinical Trial Participation May Be Associated With Improved Overall Survival in Patients With Ovarian Cancer
  7. The ASCO Post — Expert Point of View: Sandro Pignata, MD Related Articles
  8. Clinical Trial Participation May Be Associated With Improved Overall Survival in Patients With Ovarian Cancer
  9. Neoadjuvant Chemotherapy for Newly Diagnosed, Advanced Ovarian Cancer: ASCO Guideline Update | Journal of Clinical Oncology
  10. ESMO Clinical Practice Guideline Express Update on the management of epithelial ovarian cancer - PMC
  11. ESGO Guidelines for Ovarian cancer surgery - Update - ESGO - European Society of Gynaecological Oncology | ESGO – European Society of Gynaecological Oncology
  12. TRUST: Trial of radical upfront surgical therapy in advanced ovarian cancer (ENGOT ov33/AGO‐OVAR OP7). | Journal of Clinical Oncology
  13. Neoadjuvant chemotherapy followed by interval surgery versus primary debulking surgery in FIGO stage III-IV epithelial ovarian cancer: A systematic review and meta-analysis - PubMed

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