Self-testing for HCV Re-infection in MSM (SELFIE)

  • STATUS
    Recruiting
  • End date
    Jun 30, 2023
  • participants needed
    200
  • sponsor
    Erasmus Medical Center
Updated on 15 February 2022

Summary

HIV+MSM (men who have sex with men) that have been cured of a hepatitis C viral infection (HCV) are at risk for HCV re-infection (5-10% per year). One intervention to reduce HCV incidence in this population may be to decrease the time to diagnosis of HCV re-infections in order to decrease the duration that these re-infected patients may transmit their HCV to sex partners. Diagnosis of HCV re-infection is followed by counseling on transmission risk in combination with prompt initiation of HCV therapy, which will prevent new HCV infections on the population level.

In this study the investigators evaluate the effect and feasibility of more frequent and home-based testing for HCV on the time to diagnosis and treatment of HCV re-infections.

Description

Elimination of HCV was recently formulated as a WHO target and was set for the year 2030. Globally, approximately 6.2% of HIV-infected patients are co-infected with HCV. Of the patients living with HIV, people who inject drugs (PWID) and men who have sex with men (MSM) are at particularly high risk of HCV co-infection. Until recently, the prevalence of chronic hepatitis C virus infection (HCV) in Dutch HIV+MSM was very high at 4,8% (compared with 0.2% in the Dutch population in general). After unrestricted availability of direct-acting antivirals since the end of 2015, the prevalence of chronic HCV in HIV+MSM decreased rapidly. A subsequent decrease in the incidence of HCV of 51% was observed in 2016, but no further decline was seen in 2017. Additionally, the incidence of HCV re-infections in HIV+MSM that were cured of a previous HCV infection continues to be high (5-10% per year).

The continuously high re-infection risk and the lack of a further decline in the HCV incidence after 2016 illustrates that universal DAA therapy for all patients diagnosed with a chronic HCV infection on its own will not result in HCV elimination. Other interventions are needed to reach the WHO goal of HCV elimination by 2030. One of these additional interventions may be decreasing the time to diagnosis of HCV re-infections in order to decrease the duration that these re-infected patients may transmit their HCV to sex partners.

Objective

To assess the effectivity of HCV RNA self-testing in reducing the time to diagnosis of HCV re-infection in MSM previously cured of an HCV infection, compared to the current diagnostic standard of care.

To evaluate whether the uptake of self-testing is sufficient and warrants the use of HCV RNA self-testing in clinical practice.

Study design:

Prospective controlled intervention trial. MSM cured of an HCV infection who are at continued risk for an HCV re-infection (based on the results of a short questionnaire, APPENDIX B) are offered HCV RNA self-testing and asked to use the test every 6 months for 2 consecutive years.

Study population:

225 to 250 adult MSM cured of HCV from 10-15 HIV and PREP clinics in the Netherlands and Belgium.

Intervention

Eligible patients are instructed on the use of a capillary blood self-collection kit. They receive 2 kits per year for 2 consecutive years to allow them to send plasma to the virology lab of the Erasmus MC every 6 months by regular post mail.

Primary endpoints:

Comparison of the time to HCV re-infection diagnosis in patients using the HCV RNA self-test (intervention) with the time to HCV re-infection diagnosis with the standard diagnostic approach (control) in the modified intention to treat population.

Secondary endpoints:

  1. Comparison of the time to HCV re-infection diagnosis in patients using the HCV RNA self-test (intervention) with the time to HCV re-infection diagnosis with the standard diagnostic approach (control) in the subpopulation that has sent in all planned self-tests during their entire follow-up (per protocol analysis).
  2. Of the HIV+MSM that were offered to participate in the study, the percentage that accepted to participate and eventually self-collected and sent in at least one plasma sample in each 12-month period of study participation.
  3. Overall incidence of HCV re-infection in the entire study population regardless of the type HCV diagnostic test that was used.
  4. Number of screen failures as a result of a positive HCV-RNA test at the screening visit.

Nature and extent of the burden and risks associated with participation, benefit and group

relatedness

The burden associated with participation in the study consists of taking a finger prick blood sample for the self-test 4 times in 2 years and sending the sample to the laboratory by regular post mail. No costs will have to be made for mailing the sample. Capillary finger-prick blood sampling is used as a standard diagnostic test for many diseases (e.g. glucose monitoring in diabetes) and is associated with a negligible risk. The study may potentially be beneficial for those participants in which an HCV re-infection is diagnosed as they will be referred for counseling and HCV therapy which has the potential to prevent transmission to sex partners.

Details
Condition Hepatitis C Recurrent, HIV-1-infection
Treatment HCV RNA self-test
Clinical Study IdentifierNCT04004299
SponsorErasmus Medical Center
Last Modified on15 February 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Cured of HCV defined as an SVR (=documented negative HCV RNA test) at least 12 weeks after the end of DAA therapy and no new documented positive HCV RNA test after the date of the SVR
OR
Spontaneous clearance of HCV infection defined as two consecutive negative HCV
RNA tests at least 3 months apart after a positive HCV RNA test
In care for an HIV infection in an HIV clinic in a study center or HIV negative and receiving PrEP at a PrEP clinic
Able and willing to perform the self-test at home after viewing the instruction video
Willing to fill out a questionnaire on risk behavior at the time of HCV self-testing
At risk of HCV re-infection according to a short questionnaire, in other words, patients should have one of the following risk factors
Receptive unprotected (condomless) anal intercourse in the last 6 months
Fisting or being fisted without gloves in the last 6 months
Sharing toys in the last 6 months
Syphilis or LGV in the last 12 months
Slamming (injecting drug use) in the last 12 months
Sharing sniffing straws or other objects to sniff drugs in the last 12 months

Exclusion Criteria

Age < 18
Patients that are tested by HCV RNA as a standard of care test (e.g. in the context of PREP use) > 1x/year
Patients that are expected to be tested by ALT at their HIV or PREP clinic <1x/year
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