CRS Trial Reveals Surgery Divide - Report - MDSpire

CRS Trial Reveals Surgery Divide

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  • Jess Allerton

  • March 18, 2026

  • 3 min

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Clinical Report: CRS Trial Reveals Surgery Divide

Overview

The MACRO trial demonstrated that endoscopic sinus surgery (ESS) significantly improves quality of life in patients with chronic rhinosinusitis (CRS) compared to clarithromycin or placebo. However, implementation of these findings in clinical practice may face barriers such as patient hesitancy and surgical resource limitations.

Background

Chronic rhinosinusitis (CRS) is a prevalent inflammatory condition that can severely impact patients' quality of life. The MACRO trial aimed to compare the effectiveness of ESS against medical therapies, providing crucial insights into treatment options for CRS. Understanding patient and clinician experiences in the trial can inform future clinical practices and decision-making.

Data Highlights

InterventionSNOT-22 Score Change
Endoscopic Sinus Surgery-18.1
ClarithromycinNo significant change
PlaceboNo significant change

Key Findings

  • ESS showed greater improvement in SNOT-22 scores at 6 months compared to clarithromycin or placebo.
  • Patients assigned to ESS reported rapid symptom relief, including improved nasal airflow and reduced facial pain.
  • Concerns about surgical risks and recovery were common among patients considering ESS.
  • Gastrointestinal symptoms were the most frequently reported adverse effects in patients receiving clarithromycin.
  • Barriers to implementing trial findings include surgical waiting lists and patient hesitancy towards surgery.

Clinical Implications

Clinicians should consider the significant benefits of ESS for CRS patients while addressing patient concerns regarding surgery. Effective communication and shared decision-making are essential to navigate the barriers to implementation of surgical options.

Conclusion

The MACRO trial underscores the clinical effectiveness of ESS in managing CRS, yet successful integration into practice will require addressing logistical and patient-centered challenges.

References

  1. BMJ Open, 2023 -- The clinical effectiveness of clarithromycin versus endoscopic sinus surgery for adults with chronic rhinosinusitis with and without nasal polyps (MACRO)
  2. CPG: Adult Sinusitis Update - American Academy of Otolaryngology-Head and Neck Surgery (AAO-HNS), 2025
  3. Comparison of Robotic and Traditional Laparoscopic Approaches in Sigmoid Colectomy for Diverticular Disease: An Analysis of Surgical Impact and Economic Efficiency in a Single-Center Retrospective Study
  4. The ASCO Post — Expert Point of View: ­Jonathan S. Berek, MD
  5. Surgical Endoscopy — Minimally Invasive Colectomy for Colon Cancer Results in Lower Health-Care Costs Compared to Open Surgery: An Analysis of US Commercial Claims Data
  6. Journal of Gastrointestinal Surgery — Assessment of the ACS-NSQIP Surgical Risk Calculator for Patients with Colorectal Cancer Liver Metastases Undergoing Resection
  7. CPG: Adult Sinusitis Update - American Academy of Otolaryngology-Head and Neck Surgery (AAO-HNS)
  8. The clinical effectiveness of clarithromycin versus endoscopic sinus surgery for adults with chronic rhinosinusitis with and without nasal polyps (MACRO): a pragmatic, multicentre, three-arm, randomised, placebo-controlled phase 4 trial
  9. Long-term clinical control in chronic rhinosinusitis: Outcomes more than five years after surgery | European Archives of Oto-Rhino-Laryngology | Springer Nature Link

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