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NCT Number: NCT07186244

Prevention ICONA Dedicated Ensemble

Despite significant advances in HIV treatment, transmission remains a public health concern. In 2022, there were 1.3 million new HIV infections worldwide and 1,888 new diagnoses in Italy, with sexual transmission being the predominant route. Many individuals are still diagnosed late, and a portion of people living with HIV are unaware of their status. Pre-Exposure Prophylaxis (PrEP) has emerged as an effective biomedical strategy to prevent new infections, especially when integrated into comprehensive prevention efforts.

Study Objectives The primary objective of this observational study is to establish a large prospective cohort of individuals using PrEP in Italy. The study aims to assess PrEP's effectiveness, tolerability, adherence, and barriers to long-term use in a real-world setting. These data will be instrumental in guiding future strategic interventions to optimize PrEP management and move toward the goal of zero new HIV infections in Italy.

Primary Objective

* To assess the incidence of new HIV infections among PrEP users in Italy. Secondary Objectives * Incidence of other sexually transmitted infections (STIs); * Tolerability of PrEP; * Psychological and behavioral aspects related to PrEP use; * Adherence and persistence in care; * Use of therapies and prophylaxis for STIs during PrEP use. Study Design and Coordination This is a prospective observational study, promoted by Fondazione ICONA in collaboration with clinical centers and community-based organizations. The coordinating enrolling center is INMI "L. Spallanzani" IRCCS in Rome.

Participating Centers:

* 49 university and hospital-based centers across Italy; * 4 non-clinical checkpoints offering PrEP screening, prescription, and follow-up.

Study Population Adults (≥18 years) who are HIV-negative, sexually active, and considered eligible for PrEP per national or international guidelines, including both new and current PrEP users.

Inclusion Criteria

* Age ≥18 years; * Negative HIV test at enrollment; * Willingness to initiate or continue PrEP; * Informed consent provided. Exclusion Criteria * HIV infection or strong suspicion of infection; * Contraindications to PrEP medications; Known allergy to PrEP components; Refusal to comply with study procedures.

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

Ospedale Clinicizzato SS. Annunziata - Scuola di Specializzazione di Malattie Infettive, Chieti, Abruzzo, Italy

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About this study

The PrIDE study is a national, multicenter, prospective observational cohort aimed at assessing the effectiveness and real-world implementation of HIV pre-exposure prophylaxis (PrEP) in Italy. It collects sociodemographic, clinical, laboratory, behavioral, and quality-of-life data from about 5,000 HIV-negative adults (≥18 years) initiating or already on PrEP, in accordance with Italian and international guidelines.

All 49 university and hospital infectious disease clinics and 4 community-based checkpoints across Italy can participate. Participants are followed every 3-5 months through routine clinical visits, including HIV/STI testing, safety labs, and electronic questionnaires via a dedicated mobile app.

The primary objective is to estimate the incidence of HIV seroconversion, while secondary aims include monitoring sexually transmitted infections, evaluating safety and tolerability, and analyzing adherence, persistence, and behavioral factors. Data are collected in a secure, encrypted eCRF managed by the ICONA Foundation.

The study is coordinated by the National Institute for Infectious Diseases "L. Spallanzani" IRCCS in Rome, will run for at least 10 years, and requires approval from the Ethics Committees of all participating centers.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age >18 years
  • Negative HIV Ab/Ag test (4th generation or higher) at the enrollment visit
  • Request and/or willingness to take PrEP, or already on PrEP
  • Ability to understand the study procedures and to sign informed consent

Exclusion criteria

  • Individuals with HIV infection or with strong clinical/epidemiological suspicion of HIV infection
  • Individuals with contraindications to the use of medications included in the PrEP regimen (as per the product information)
  • Documented allergy to one or more pharmacological components of the proposed PrEP regimen
  • Lack of willingness to adhere to the required procedures and follow-up assessments

Treatment and study plan

Primary outcomes

  1. Incidence of HIV seroconversion in individuals taking PrEP, from the time of cohort enrollment.

    Time frame: Perioperative/Periprocedural

    HIV seroconversion is defined as a new HIV infection occurring in a participant during the observational follow-up period. Seroconversion will be determined by a reactive 4th-generation HIV antibody/antigen (Ab/Ag) test confirmed by detectable HIV-RNA using real-time PCR. The measure will be taken at routine clinical visits approximately every 3 months, or when clinically indicated, according to national guidelines. All cases of confirmed HIV infection will be reviewed and documented by the coordinating center.

Secondary outcomes

  1. Tolerability of PrEP expressed as the number of adverse events per person-years of follow-up after study enrollment

    Time frame: Perioperative/Periprocedural

  2. Assess behavioral-related factors influencing PrEP use and persistence in care through questionnaires

    Time frame: Perioperative/Periprocedural

    Values monitored through ePROs questionnaire completed by participants at each visit.

  3. Assess adherence-related factors influencing PrEP use and persistence in care through questionnaire

    Time frame: Perioperative/Periprocedural

Study contacts

Contact information is provided by the study sponsor or research team.

Thomas Masoero Mr., Master of Science

CONTACT

[email protected]

+39 3481134565

Sponsors and collaborators

Lead sponsor

Fondazione ICONA

Other

Registry information

Official study title

Implementation of an Italian Cohort of People on HIV-1 Pre-exposure Prophylaxis Within the ICONA Network: PrIDE (Prevention ICONA Dedicated Ensemble)

Acronym: PrIDE

Important dates

Study start
2024
Primary completion
2033
Study completion
2033
First posted
Sep 22, 2025
Registry last updated
Sep 22, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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