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Clostridioides difficile infection

Subtypes of Clostridioides difficile infection

Tetanus 3 Botulism 1 Wound Botulism 0

10 published articles · Updated continuously

Clinical Trial Landscape

Clinical Trials for Clostridioides difficile infection

5 trials tracked for Clostridioides difficile infection: 2 in phase 3 or 4 and 2 with published results. The most-cited published study has 81 citations.

5Trials tracked
2Phase 3 & 4
0Recruiting
2With published results
Phase distribution
Phase 3 2 Phase 2 3
  1. Phase 3 ECOSPOR IV: An Open-Label Study Evaluating SER-109 in Recurrent Clostridioides Difficile Infection Completed · 81 cited
  2. Phase 3 Comparison of Ridinilazole Versus Vancomycin Treatment for Clostridium Difficile Infection Completed · 34 cited
  3. Phase 2 Evaluation of CRS3123 vs. Oral Vancomycin in Adult Patients With Clostridioides Difficile Infection Completed
  4. Phase 2 Phase 2 Study of VE303 for Prevention of Recurrent Clostridioides Difficile Infection Completed
  5. Phase 2 Bezlotoxumab Yielded Outcomes by Addressing Personalized Needs in Clostridioides Difficile Infection Completed

Showing the 5 most-cited and recently-updated of 5 trials. Browse the full registry →

Trial data sourced from ClinicalTrials.gov. Counts describe the research landscape and are not a treatment recommendation. Informational only — not medical advice.

What the trials found Updated — new results For clinicians

Clostridioides difficile infection: what the trials found

Clinical trials have evaluated Ridinilazole for the treatment of Clostridioides difficile infection. Data regarding sustained clinical response (SCR)—defined as clinical response and no recurrence through 30 days post-treatment—showed results across four study arms (238, 225, 132, and 150 respectively) 3.

Longer-term monitoring with Ridinilazole showed sustained clinical response rates at 60 days (262, 258, 108, and 117) and 90 days (259, 249, 111, and 126) 3.

Phase 3 investigations have also been conducted for SER-109 in the management of this condition 2.

Recent results — preliminary, needs further review

  • Bezlotoxumab demonstrated superiority over placebo in reducing unfavorable outcomes by day 40 (7 vs. 16; p=0.015) and improving time to first organ dysfunction (20.5 vs. 40; p=0.017). However, no significant difference was found between Bezlotoxumab and placebo regarding the number of participants experiencing a CDI relapse (0 vs. 1; p=1.00).

For the clinician treating this condition

  • Ridinilazole has been evaluated in Phase 3 trials for sustained clinical response at 30, 60, and 90 days post-treatment.
  • SER-109 is established in Phase 3 investigations for Clostridioides difficile infection.

AI synthesis of 2 cited trials, updated Jun 25, 2026. Informational only — not medical advice; trial data sourced from ClinicalTrials.gov. How we use AI.

HCP Mode — summaries include clinical detail, trial data, and statistical outcomes.
Patient Mode — summaries use plain language, avoiding clinical jargon.

Questions about Clostridioides difficile infection

Does limiting fluoroquinolone antibiotics help prevent Clostridioides difficile infection in hospitals?

Limiting fluoroquinolone antibiotics is a proven strategy to prevent Clostridioides difficile infection because these drugs carry a high risk of causing the illness compared to other antibiotics.

Full answer →