NCT06262009

Brief Summary

Humans in contact with animals such as dog owners, may be at risk of antimicrobial resistance (AMR) acquisition. This is the central issue to be investigated in DYASPEO

Trial Health

77
On Track

Trial Health Score

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

Enrollment
525

participants targeted

Target at P75+ for all trials

Timeline
34mo left

Started Dec 2025

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
recruiting

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

Study Progress12%
Dec 2025Mar 2029

First Submitted

Initial submission to the registry

February 8, 2024

Completed
7 days until next milestone

First Posted

Study publicly available on registry

February 15, 2024

Completed
1.8 years until next milestone

Study Start

First participant enrolled

December 15, 2025

Completed
2.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2028

Expected
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2029

Last Updated

April 23, 2026

Status Verified

April 1, 2026

Enrollment Period

2.7 years

First QC Date

February 8, 2024

Last Update Submit

April 22, 2026

Conditions

Keywords

antibiotic resistant transmissiontransmission between dog and human

Outcome Measures

Primary Outcomes (1)

  • generation of a list of priorities for future prevention and control strategies to mitigate antimicrobial resistance (AMR) transmission between companion animals and humans

    mathematical models combining all the data (epidemiological, bacteriological, genomic, sociological) gathered in the project

    over the 90 days follow up

Secondary Outcomes (7)

  • Rates of AMR acquisitions in one or several housekeepers

    over the 90 days follow up

  • A list in nature of changes in dog microbiota

    over the 90 days follow up

  • A list in magnitude of changes in dog microbiota

    over the 90 days follow up

  • A list in nature of changes in housekeepers microbiota

    over the 90 days follow up

  • A list in magnitude of changes in housekeepers microbiota

    over the 90 days follow up

  • +2 more secondary outcomes

Study Arms (1)

household

House Members (adults and minors) from 175 households owning a dog

Other: human faecal collectionOther: ancillary study

Interventions

collecting stools 6 times over a 90 days period and complete a questionnaire at the same times: D1, D7, D15, D30, D60 and D90

household

interviews and/or ethnographic observations for 50 volunteers

household

Eligibility Criteria

Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

The healthy volunteers (dog owners) will be recruited at a single recruitment centre, which is the National Veterinary School (Maisons-Alfort).

You may qualify if:

  • Written consent of all adults and of at least one of the two parents for minors under parental authority. A different information note will be elaborated for each age category (6-10 yr-old, 10-15 yr-old and 16-18 yr-old).
  • Owning a dog recorded for a surgery at the National Veterinary School

You may not qualify if:

  • Lack of signed informed consent
  • Subject in alternating custody
  • Subject under legal protection (guardianship)
  • Subject deprived of liberty under judicial constraint
  • Subject undergoing psychiatric care
  • Lack of affiliation to a social security scheme
  • Volunteers who do not speak/write French

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

the National Veterinary School Alfort

Maisons-Alfort, 94700, France

RECRUITING

Biospecimen

Retention: SAMPLES WITHOUT DNA

human and dog faecal samples

Study Officials

  • Jean-Yves Madec, PHD

    ANSES

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Jean-Yves Madec, PHD

CONTACT

Study Design

Study Type
observational
Observational Model
OTHER
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

February 8, 2024

First Posted

February 15, 2024

Study Start

December 15, 2025

Primary Completion (Estimated)

September 1, 2028

Study Completion (Estimated)

March 1, 2029

Last Updated

April 23, 2026

Record last verified: 2026-04

Locations