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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT06273943
Other study ID # ANRS 0410s CABOPrEP
Secondary ID 2024-510678-25
Status Not yet recruiting
Phase Phase 3
First received
Last updated
Start date April 1, 2024
Est. completion date October 30, 2026

Study information

Verified date February 2024
Source ANRS, Emerging Infectious Diseases
Contact Geoffroy LIEGEON, Dr
Phone 312-483-6988
Email geoffroy.liegeon@aphp.fr
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of this study is to evaluate if offering long-acting injectable cabotegravir (CAB-LA) as an additional HIV prevention choice among oral PrEP-experienced men who have sex with men (MSM) in France can significantly increase the sustained PrEP use over time and the PrEP coverage of at-risk sexual risk behaviors.


Description:

Long-acting injectable cabotegravir (CAB-LA) is a promising agent to address the issue of uptake, adherence, and persistence among oral PrEP users who faced adherence challenges. However, the potential benefits of offering CAB-LA as an additional prevention option for MSM adherent to oral PrEP has yet to be demonstrated. We hypothesize that offering CAB-LA as an additional prevention option for MSM already using oral PrEP can mitigate PrEP fatigue over time, resulting in enhanced PrEP use and increased coverage of at-risk sexual intercourses. This study is designed as a pragmatic, open-label, multicenter, parallel-group, randomized controlled clinical trial aiming to enroll MSM using PrEP for at least 6 months. Participants will be randomly assigned in a 1:1 ratio to remain on their current oral PrEP regimen with daily and/or on-demand TDF/FTC (Control arm) or to switch to a CAB-LA based PrEP (Intervention arm). Participants will be enrolled over 6 months and followed for two years. The trial will be conducted at 9 clinical sites in the Paris region. The primary objective of the study will be to compare the sustained PrEP use over time among participants randomized to CAB-LA vs. oral TDF/FTC based PrEP at Months 12 and 24. The main secondary objectives will aim to evaluate the PrEP coverage of at-risk sexual intercourses, the change from baseline in sexual risk behaviors, the safety of the drugs, and the HIV incidence. The study protocol includes three ancillary studies: - Social science: Focus groups will be conducted among study participants to investigate their perceptions of CAB-LA, motivations for using it, adherence and persistence, changes in HIV risk perception, and impact on sexual satisfaction. Additionally, this study will assess healthcare providers' perceptions, barriers, and facilitators regarding CAB-LA implementation for PrEP. - Rectal tissue HIV-1 permissibility: This study aims to evaluate the protection from HIV-1 at different time points after oral and injectable CAB initiation using a model of Ex-vivo rectal tissue and PBMCs infection with HIV-1. - Medico-economics analysis: The main objective of this study is to establish cost-effectiveness performance benchmarks for CAB-LA in HIV PrEP.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 322
Est. completion date October 30, 2026
Est. primary completion date October 30, 2025
Accepts healthy volunteers No
Gender Male
Age group 18 Years and older
Eligibility Inclusion criteria - Age = 18 years. - Cisgender men who have sex with men. - Have taken oral TDF/FTC based PrEP during the past 6 months, either daily or on-demand, with a documented PrEP prescription. - Agreeing to be contacted personally by telephone (call, SMS) or e-mail. - Person affiliated with or a beneficiary of a social security scheme (article L1121-11 of the Public Health Code). - Informed and written consent, signed by the person and the investigator on the day of inclusion, at the latest, and before any examination carried out within the setting of the study (article L1122-1-1 of the Public Health Code). Non-inclusion criteria - Positive HIV test result at screening or enrollment visit, even if HIV infection is not confirmed. - Symptoms and/or clinical signs consistent with an acute HIV infection. - History of seizure disorder. - Ongoing Post-Exposure Prophylaxis (PEP) for HIV. - Last titer of hepatitis B surface antibody (anti-HBs) < 10 mIU/mL. - Concomitant use of antimycobacterial (rifampin, rifapentine) or enzyme-inducing anticonvulsants (carbamazepine, oxcarbazepine, phenobarbital, phenytoin, etc.). - Participants with severe hepatic impairment (Class C) as determined by Child-Pugh classification. - Participants having a non-treated chronic HCV infection. - Current or chronic history of liver disease or known hepatic or biliary abnormalities. - Aspartate aminotransferase (ASAT) or alanine aminotransferase (ALAT) > 5-fold the upper normal limit (UNL). - Creatinine clearance lower than 50mL/min. - History of chronic renal disease, osteoporosis or osteopenia. - Inflammatory skin conditions which compromise the safety of intramuscular (IM) injections. - Known thrombocytopenia or any other known bleeding disorder, which would contraindicate IM injection. - Treatment with oral anticoagulant (antiplatelet agents are allowed). - Known or suspected allergy to study product components. - Surgically placed buttock implants. - Planned trip abroad of more than 2 consecutive months or planned move outside the Ile de France region. - Individuals who, upon the investigator's judgement, will not be likely to comply the clinical trial procedures, or with any condition incompatible with study participation. - Person participating in another research study with an exclusion period still in progress at inclusion. Participants in the ANRS PREVENIR study are authorized to participate in the ANRS CABOPrEP trial. - Person under guardianship or curatorship or deprived of liberty by judicial or administrative decision.

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Cabotegravir Tablets, for oral use.
Participants randomly assigned to the cabotegravir arm will be instructed to take by mouth a single tablet of cabotegavir 30mg once daily for four weeks.
Cabotegravir Extended-Release Injectable Suspension, for intramuscular use.
Participants will receive 600mg (3mL) CAB LA injections intramuscularly at Month 1, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22 and 24. The injections will be performed in the gluteal muscle by trained healthcare providers at study sites.
Tenofovir disoproxil/Emtricitabine 300mg/200mg fixed-dose combination tablets, for oral use
Daily regimen: a single tablet of TDF/FTC every 24 hours, regardless of sexual activity. If PrEP was stopped, resume with two pills of TDF/FTC followed by one pill every 24 hours. On-demand regimen: a loading dose of two pills of TDF/FTC 2 to 24 hours before sexual intercourse, a third pill 24 hours after the first drug intake and a fourth pill 24 hours later. In case of daily sexual intercourse, participants will be instructed to take one pill per day until the last sexual intercourse, then to take the two post-exposure pills. If the last dose of TDF/FTC was taken less than one week prior, a leading dose with a single pill of TDF/FTC is sufficient.
Procedure:
Rectal Biopsies
This intervention concerns only participants involved in the rectal tissue HIV-1 permissibility sub-study. The proctologist collects ten rectal biopsies at different time points before and after PrEP initiation according to the randomization arm.

Locations

Country Name City State
France Hôpital Bichat Paris Ile De France
France Hôpital Hôtel Dieu Paris Ile De France
France Hôpital La Pitié Salpêtrière Paris Ile De France
France Hôpital Lariboisière Paris Ile De France
France Hôpital Necker Paris Ile De France
France Hôpital Saint Antoine Paris Ile De France
France Hôpital Saint Louis Paris Ile De France
France Hôpital Tenon Paris Ile De France

Sponsors (1)

Lead Sponsor Collaborator
ANRS, Emerging Infectious Diseases

Country where clinical trial is conducted

France, 

Outcome

Type Measure Description Time frame Safety issue
Primary Number of protocol visits completed with a documented PrEP prescription aligned with the randomization arm. At Month 12
Secondary Number of protocol visits completed with a documented PrEP prescription aligned with the randomization arm. At Month 24
Secondary Number of participants with missing follow-up visits, temporary PrEP discontinuation, permanent PrEP discontinuation, switching to another PrEP regimen, study discontinuation, lost to follow-up. At 12 and 24 Months.
Secondary Number of participants whose last condomless anal sexual intercourse was not covered by PrEP. At each study visits.
Secondary Number of condomless anal sexual intercourse in the month prior to each study visit. At each study visits.
Secondary Number of sexual partners in the last 3 months. At baseline, 6, 12, 18 and 24 months
Secondary Mean PrEP satisfaction score based on study arm. At baseline, 6, 12, 18 and 24 months.
Secondary Number of participants with syphilis, chlamydiae, and/or gonorrhea infection. From Day 1 up to end of study.
Secondary Number of participants with Grade 2 or higher clinical or laboratory drug-related adverse events at any time during the study. From Day 1 up to end of study.
Secondary Change from baseline in body weight (kg). At Months 12 and 24.
Secondary Change from baseline in lipids Fasting total Cholesterol (mmol/L), LDL cholesterol (mmol/L), HDL cholesterol (mmol/L). At Months 12 and 24.
Secondary Change from baseline in the insulin resistance index (HOMA-IR). HOMA-IR : [fasting glucose (mmol/L) × fasting insulin (µmol/L)/22.5] At Months 12 and 24.
Secondary Number and severity of injection site reaction. After 12 and 24 Months.
Secondary Cabotegravir concentration in plasma and tenofovir diphosphate and emtricitabine triphosphate concentration in dried blood spots. At baseline, 6, 12, 18 and 24 months.
Secondary Number of participants with new HIV infection. From Day 1 up to end of study.
Secondary Number of participants who used psychoactive drugs in the last 3 months At baseline, 6, 12, 18 and 24 months.
Secondary Score of quality of life measured by the EuroQol-5D questionnaire The possible range of scores is 0 to 100%, with the higher scores indicating better outcome. At baseline, 6, 12, 18 and 24 months.
Secondary Depression score assessed with the Center for Epidemiologic Studies Depression Scale (CES-D). The possible range of scores is 0 to 60, with the higher scores indicating worse outcome. At baseline,12, and 24 months.
Secondary Self-esteem score assessed with the Rosenberg scale. The scale ranges from 0 to 30, with the higher score indicating a better outcome. At baseline,12, and 24 months.
Secondary Number and nature of uses of community peer support and therapeutic patient education. At baseline, 6, 12, 18 and 24 months.
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