NCT05794646

Brief Summary

The goal of this interventional study is twofold with the evaluation of the feasibility and potential usefulness of an implementation strategy, and the efficiency of a community-based model of mass screening and immediate treatment of hepatitis C among People Who Use Drugs (PWUD) in three major cities in mainland France (Paris, Lyon and Marseille) and in one overseas city (Fort-de-France). The investigators will also describe the psychological and infectious comorbidities of drug users, determine the stages of the HCV (Hepatitis C Virus), HBV (Hepatitis B Virus), HIV (Human Immunodeficiency Virus) care cascade, and analyze the factors associated with HCV treatment failure. A qualitative study will investigate the acceptability of the RDS model. Participants will be screened in an out of bound research center and receive appropriate treatment for infectious, addictological and psychiatric troubles. They will receive coupons to give to their peers for them to participate in the study. Researchers will also compare the acceptability of referral to psychiatric care directly at the research site (intervention group) with that of referral directly to a city facility (control group).

Trial Health

58
Monitor

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
3,400

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Oct 2023

Typical duration for not_applicable

Geographic Reach
2 countries

4 active sites

Status
active not 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

First Submitted

Initial submission to the registry

March 6, 2023

Completed
28 days until next milestone

First Posted

Study publicly available on registry

April 3, 2023

Completed
6 months until next milestone

Study Start

First participant enrolled

October 2, 2023

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 16, 2025

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 30, 2025

Completed
Last Updated

September 8, 2025

Status Verified

September 1, 2025

Enrollment Period

1.6 years

First QC Date

March 6, 2023

Last Update Submit

September 2, 2025

Conditions

Keywords

Hepatitis C Virusmental healthRDSpeersTest and TreatPeople who use drugs

Outcome Measures

Primary Outcomes (2)

  • Percentage of HCV cured PWUD participants (SVR12) among those with a positive HCV viral load at baseline

    Number of HCV cured PWUD participants, defined as SVR12, i.e. undetectable HCV RNA viral load in a veinous sample measured by quantitative PCR (polymerase chain reaction) 12 weeks after the end of the antiviral treatment; divided by the number of participants with a positive HCV viral load in a veinous sample at baseline.

    12 weeks after the end of the 2 to 3 months HCV treatment

  • Acceptability and relevance of the RDS and implementation strategy : a qualitative study

    The investigators will use a socio-anthropological method to target the PWUD participating in the RDS as well as the workers in the places where the RDS will have started. In each study city, 15 semi-structured interviews will be conducted with PWUD who participated in the RDS. Participants who are not followed up in outreach structures will be over-represented to delve deeper into the pathways of these individuals. Two focus groups in each city will be carried-out (one before the implementation of the RDS and one at the end of the study), in order to collect their feelings on the use and relevance of the toolkit for the implementation of the RDS. The interviews and focus groups will be conducted using an interview grid that will be constructed to meet the objectives of the study. This grid will guide the investigators around different main themes: people's backgrounds, role of the facilitators, perception of RDS (understanding, acceptability, strengths and weaknesses).

    From before the RDS implementation until the end of the study, up to 2 years

Secondary Outcomes (22)

  • Number of PWUD in the arrondissements of Paris (neighborhoods involved in seed distribution), and the cities of Lyon, Marseille and Fort-de-France

    At the end of the RDS

  • Proportion of participants with positive HCV RNA among all participants

    At baseline

  • Assessment of HCV cascade of care at inclusion : participants with a positive HCV RDT

    At baseline

  • Assessment of HCV cascade of care at inclusion : participants with known HCV status

    At baseline

  • Assessment of HCV cascade of care at inclusion : participants who were treated for HCV

    At baseline

  • +17 more secondary outcomes

Study Arms (1)

Intervention

OTHER

Community-based intervention with screening and treatment initiation for HCV elimination among PWUD

Other: Hybrid effectiveness-implementation study type 2

Interventions

Diagnosis of hepatitis C; Assessment of hepatic fibrosis; Treatment of hepatitis C; Assessment of psychological disorders and treatment or referral.

Intervention

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age \> 18 years;
  • Person who uses drugs, defined as:
  • Reported psychoactive substance use and
  • Positive urine test for at least one of the following: heroin, amphetamines, cocaine, MDMA (methylenedioxymethamphetamine), ecstasy, or misused opioid medications (methadone, buprenorphine or opiates used for a reason other than its original prescription (effects seeking) or used in a way that does not comply with its marketing authorisation (injected, snorted, taken multiple times beyond the prescribed dosage)) ;
  • Informed and signed consent

You may not qualify if:

  • Inability to understand the study;
  • Being under guardianship, curatorship or mandate of future protection;

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (4)

Lyon

Lyon, Auvergne-Rhône-Alpes, 69000, France

Location

Marseille

Marseille, PACA, 13000, France

Location

Paris

Paris, Île-de-France Region, 75000, France

Location

Martinique

Fort-de-France, Martinique, 97200, Martinique

Location

MeSH Terms

Conditions

Substance-Related DisordersHepatitis CPsychological Well-Being

Condition Hierarchy (Ancestors)

Chemically-Induced DisordersMental DisordersBlood-Borne InfectionsCommunicable DiseasesInfectionsHepatitis, Viral, HumanVirus DiseasesFlaviviridae InfectionsRNA Virus InfectionsHepatitisLiver DiseasesDigestive System DiseasesPersonal SatisfactionBehavior

Study Officials

  • Hélène Donnadieu, PhD

    PCCEI

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Model Details: This type 2 hybrid 'effectiveness-implementation' study makes it possible to simultaneously evaluate the efficiency of the model on clinical criteria of HCV cure, and its feasibility by measuring the potential obstacles and the relevance of its implementation.
Sponsor Type
OTHER GOV
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 6, 2023

First Posted

April 3, 2023

Study Start

October 2, 2023

Primary Completion

May 16, 2025

Study Completion

September 30, 2025

Last Updated

September 8, 2025

Record last verified: 2025-09

Data Sharing

IPD Sharing
Will share

All collected individual participant data

Time Frame
After publication and for 15 years.
Access Criteria
Open to anyone at https://recherche.data.gouv.fr/

Locations