NCT05256693

Brief Summary

Clostridium difficile (CD) infection are an important cause of morbi-mortality in patients undergoing allogeneic hematopoietic stem cell transplant (HSCT). The VANCALLO trial aims at evaluating oral vancomycine reducing the risk of CD infection relying on a placebo controlled 1:1 randomized design, including one interim analysis.

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
336

participants targeted

Target at P50-P75 for phase_3

Timeline
Completed

Started Mar 2022

Typical duration for phase_3

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

January 28, 2022

Completed
28 days until next milestone

First Posted

Study publicly available on registry

February 25, 2022

Completed
4 days until next milestone

Study Start

First participant enrolled

March 1, 2022

Completed
2.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2024

Completed
1.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2025

Completed
Last Updated

February 25, 2022

Status Verified

November 1, 2021

Enrollment Period

2.3 years

First QC Date

January 28, 2022

Last Update Submit

February 17, 2022

Conditions

Outcome Measures

Primary Outcomes (1)

  • Proportion of patients with Clostridium difficile infection

    Clostridium difficile infection defined as a diarrhea (\> 3 loose stools/day) with positive Clostridium difficile testing and free-toxin in stools by enzyme-linked immunosorbent assay (ELISA), without other obvious etiology for diarrhea nor pseudo-membraneous colitis (endoscopy, colectomy, autopsy).

    5 weeks

Secondary Outcomes (13)

  • Proportion of patients with Clostridium difficile infection

    12 weeks

  • Cumulative incidence of Clostridium difficile infection

    5 weeks

  • Proportion of patients with Clostridium difficile infection by PCR testing

    5 weeks

  • Factors associated with the proportion of patients with Clostridium difficile infection

    5 weeks

  • Proportion of patients with severe Clostridium difficile infection

    5 weeks

  • +8 more secondary outcomes

Study Arms (2)

Vancomycine

EXPERIMENTAL

Oral vancomycine 125 mg twice a day, from inclusion (at the time of hospitalization for allogeneic stem cell transplant) until hospital discharge or 5 weeks in hospital at most.

Drug: Vancomycin

Placebo

PLACEBO COMPARATOR

Vancomycine placebo, twice a day, from inclusion (at the time of hospitalization for allogeneic stem cell transplant) until hospital discharge or 5 weeks in hospital at most.

Drug: Placebo

Interventions

Oral vancomycin (powder) 125mg twice a day

Vancomycine

Vancomycine placebo (powder) twice a day

Placebo

Eligibility Criteria

Age15 Years+
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Age ≥15 ans
  • Hospitalization since less than 72 hours, for an allogeneic stem cell transplant, whichever the indication and conditioning
  • For men and women of reproductive age: use of contraceptives
  • Informed consent
  • Healthcare insurance

You may not qualify if:

  • Know allergy or history of adverse events with vancomycine
  • Pregnancy
  • History of total colectomy and/or inflammatory bowel disease
  • Digestive decontamination protocol for the stem cell transplant procedure

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Clostridium Infections

Interventions

Vancomycin

Condition Hierarchy (Ancestors)

Gram-Positive Bacterial InfectionsBacterial InfectionsBacterial Infections and MycosesInfections

Intervention Hierarchy (Ancestors)

GlycopeptidesGlycoconjugatesCarbohydratesPeptidesAmino Acids, Peptides, and Proteins

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 28, 2022

First Posted

February 25, 2022

Study Start

March 1, 2022

Primary Completion

June 1, 2024

Study Completion

July 1, 2025

Last Updated

February 25, 2022

Record last verified: 2021-11