Design of the LEONORA Randomized Clinical Trial: Impact of Synbiotic Prophylaxis on Lower Gastrointestinal Symptoms Following Colorectal Cancer Surgery - Scorecard - MDSpire

Design of the LEONORA Randomized Clinical Trial: Impact of Synbiotic Prophylaxis on Lower Gastrointestinal Symptoms Following Colorectal Cancer Surgery

  • By

  • Ben Schöttker

  • Annette Kopp-Schneider

  • Lena Biehl

  • March 25, 2026

  • 0 min

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Clinical Scorecard: Design of the LEONORA Randomized Clinical Trial: Impact of Synbiotic Prophylaxis on Lower Gastrointestinal Symptoms Following Colorectal Cancer Surgery

At a Glance

CategoryDetail
ConditionColorectal Cancer Surgery
Key MechanismsSynbiotics improve gut microbiota composition and gastrointestinal function.
Target PopulationPatients undergoing colorectal cancer surgery.
Care SettingMulticenter clinical trial in Germany.

Key Highlights

  • LEONORA trial is the largest placebo-controlled RCT on synbiotics in CRC patients.
  • Intervention includes a diverse probiotic formulation and potent prebiotic.
  • Study aims to assess impact on gastrointestinal quality of life and postoperative complications.

Guideline-Based Recommendations

Diagnosis

  • Monitor gastrointestinal symptoms post-surgery in CRC patients.

Management

  • Administer synbiotics post-surgery to improve gut function and reduce complications.

Monitoring & Follow-up

  • Collect stool samples to assess microbiota changes.

Risks

  • Current literature indicates no increased risk of complications with probiotics.

Patient & Prescribing Data

Colorectal cancer patients post-surgery.

Daily administration of synbiotics for 12 weeks starting post-surgery.

Clinical Best Practices

  • Utilize multi-strain probiotics for enhanced efficacy.
  • Incorporate prebiotics to support probiotic function.

References

Original Source(s)

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