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Projekt prevence udržitelnosti a přesnosti

23. září 2026 aktualizováno: Bo Wang, University of Massachusetts, Worcester

Národní implementace programu prevence HIV založeného na důkazech: Strategie víceúrovňového zvětšení a prevence přesnosti

This is a five-year hybrid type 3 effectiveness-implementation study evaluating multilevel strategies to sustain a nationwide implementation of an evidence-based HIV prevention curriculum in schools. Advanced machine learning methods are being used to enhance implementation strategies. A Sequential, Multiple Assignment, Randomized Trial (SMART) design will be employed.

Přehled studie

Detailní popis

A hybrid type 3 effectiveness-implementation study is proposed, using a SMART adaptive implementation trial that will evaluate the value of multilevel strategies to sustain Focus on Youth in Caribbean + Caribbean Informed Parents and Children Together (FOYC+CImPACT) in schools and harness advanced machine learning to help promote the FOYC+CImPACT sustainability by iteratively enriching implementation strategies. This study will also identify the most effective implementation strategy for teachers who implement <80% of core activities and for adolescents who are unlikely to respond to FOYC+CImPACT by using machine learning approaches. The primary outcome is program sustainability. Data from teachers, students, and focus groups will provide information on inner and outer contexts, strategies to promote implementation and sustainability, and program effectiveness.

Primary implementation of FOYC+CImPACT will be conducted by 156 grade-6 teachers in 65 government primary schools across four years. Annual FOYC booster sessions for students will be conducted by 49 Health and Family Life Education (HFLE) teachers in 30 junior high schools. Approximately 3,500 students will complete the full curricular assessment survey at the beginning and end of grade 6 and at the end of grades 7, 8, and 9.

Typ studie

Intervenční

Zápis (Odhadovaný)

3705

Fáze

  • Nelze použít

Kontakty a umístění

Tato část poskytuje kontaktní údaje pro ty, kteří studii provádějí, a informace o tom, kde se tato studie provádí.

Studijní kontakt

Studijní záloha kontaktů

Studijní místa

      • Nassau, Bahamy
        • Nábor
        • HIV/AIDS Office, FOY program
        • Kontakt:

Kritéria účasti

Výzkumníci hledají lidi, kteří odpovídají určitému popisu, kterému se říká kritéria způsobilosti. Některé příklady těchto kritérií jsou celkový zdravotní stav osoby nebo předchozí léčba.

Kritéria způsobilosti

Věk způsobilý ke studiu

10 let až 60 let (Dítě, Dospělý)

Přijímá zdravé dobrovolníky

Ne

Pohlaví způsobilá ke studiu

Všechno

Popis

Inclusion Criteria:

  • Grade 6 teachers who teach Health and Family Life Education (HFLE) and their classes in 65 government primary schools.
  • Grade 7-9 HFLE teachers and their classes in 30 middle schools across 12 Bahamian islands.
  • FOYC (Focus on Youth in the Caribbean) is delivered as part of the standard HFLE curriculum.
  • Students who: 1) are enrolled in one of the participating schools as general education students in grade 6 (and followed through grades 7-9); and 2) speak and read English.

Exclusion Criteria:

  • Students who chose to opt out of participating in the study
  • Students who do not speak or read English sufficiently to participate in study activities.

Studijní plán

Tato část poskytuje podrobnosti o studijním plánu, včetně toho, jak je studie navržena a co studie měří.

Jak je studie koncipována?

Detaily designu

  • Primární účel: Prevence
  • Přidělení: Randomizované
  • Intervenční model: Sekvenční přiřazení
  • Maskování: Singl

Zbraně a zásahy

Skupina účastníků / Arm
Intervence / Léčba
Experimentální: Stage 1

All grade six teachers will go through the Usual Implementation (UI) of FOYC+CImPACT (teacher training only in Year 1).

Focus on Youth in the Caribbean (FOYC) is an evidence-based, eight-session life skills curriculum designed to reduce risk-taking behaviors related to HIV/STI transmission and teen pregnancy. Woven throughout FOYC is a decision-making model that provides guidance and practice in problem solving with a focus on how to obtain factual information on sexual health.

CImPACT is a single-session intervention including a 24-min educational video filmed in The Bahamas. The video focuses on effective parent-adolescent communication and listening strategies related to difficult topics including "safe-sex" followed by two role-plays for the parent and youth, a discussion, and a condom demonstration.

Experimentální: Stage 2

Based on their performance in Year 1, teachers who do not meet the benchmark (implementing > 80% of core activities) will be randomized to receive 1) "Biweekly Monitoring and Feedback (BMF)" or 2) "BMF+Site-Based Assistance Mentorship (SAM)." Responders (completing at least 80% of core activities) will continue with UI.

Focus on Youth in the Caribbean (FOYC) is an evidence-based, eight-session life skills curriculum designed to reduce risk-taking behaviors related to HIV/STI transmission and teen pregnancy. Woven throughout FOYC is a decision-making model that provides guidance and practice in problem solving with a focus on how to obtain factual information on sexual health.

CImPACT is a single-session intervention including a 24-min educational video filmed in The Bahamas. The video focuses on effective parent-adolescent communication and listening strategies related to difficult topics including "safe-sex" followed by two role-plays for the parent and youth, a discussion, and a condom demonstration.

School coordinators will monitor teachers' implementation progress biweekly and provide feedback to teachers.

High-performing teachers will serve as team leaders and guide non-responding teachers on preparation and planning. The team leader will promote group activities and enhance interaction among teachers in these meetings.

Experimentální: Stage 3

At the end of Year 2 (stage 2), the performance of the teachers in all three intervention arms will be assessed again. Non-responders in the UI arm will be re-randomized to receive either BMF or BMF+SAM. Non-responders in the BMF-only group will be re-randomized to receive BMF+SAM or BMF+enhanced SAM. Non-responders in the BMF+SAM group will receive BMF+enhanced SAM.

Focus on Youth in the Caribbean (FOYC) is an evidence-based, eight-session life skills curriculum designed to reduce risk-taking behaviors related to HIV/STI transmission and teen pregnancy. Woven throughout FOYC is a decision-making model that provides guidance and practice in problem solving with a focus on how to obtain factual information on sexual health.

CImPACT is a single-session intervention including a 24-min educational video filmed in The Bahamas. The video focuses on effective parent-adolescent communication and listening strategies related to difficult topics including "safe-sex" followed by two role-plays for the parent and youth, a discussion, and a condom demonstration.

School coordinators will monitor teachers' implementation progress biweekly and provide feedback to teachers.

High-performing teachers will serve as team leaders and guide non-responding teachers on preparation and planning. The team leader will promote group activities and enhance interaction among teachers in these meetings.

A FOYC coach (with FOYC implementation and training experience) will provide tailored in-person support, facilitate goal-setting, opportunities to interact with consultants, supportive text messaging, continuing education, networking strategies, and monthly check-ins.

Co je měření studie?

Primární výstupní opatření

Měření výsledku
Popis opatření
Časové okno
Fidelity of Implementation
Časové okno: Years 1, 2, 3, and 4

Adherence to the core activities (number of core activities taught as intended)

Years 1, 2, 3, and 4
Sustainability
Časové okno: Year 4

Teachers' continued implementation of the intervention with fidelity (at least 80% of core activities) and adherence to program principles across 4 years

Year 4
Sustainment determinants
Časové okno: Years 1 and 3

The Sustainment Measurement System Scale (SMSS) is a 35-item instrument that evaluates sustainment determinants and outcomes (one sustainment outcome subscale and seven determinant domain subscales).

Items are rated on a 5-point scale, from 1 = Little or no extent to 5 = Great extent.

Subscale scores are calculated as the average of the items within the subscale, ranging from 1 to 5. Higher scores on all subscales indicate greater agreement with the subscale.

Years 1 and 3
Inner and outer context factors affecting implementation
Časové okno: Yeasr 1 and 3

The Program Sustainability Assessment Tools (PSAT) is an eight-domain, 40-item instrument that assesses a program's capacity for sustainability.

Items are rated on a 7-point scale from 1 = Little or no extent to 7 = A very great extent.

Scores are first averaged within each domain, and an overall sustainability score is calculated by averaging the domain scores (range: 1-7). Higher scores indicate a great level of sustainability capacity.

Yeasr 1 and 3
School implementation climate
Časové okno: Years 1 and 3

The School Implementation Climate Scale (SICS) is a seven-domain, 21-item instrument assessing a school's climate for implementing an evidence-based practice.

Items are rated on a 5-point scale (0 = Not at all; 4 = Very great extent). Scores are first averaged within each domain, and an overall sustainability score is calculated by averaging the domain scores (range: 0-4). Higher scores indicate a more favorable implementation climate.

Years 1 and 3
Condom use skills
Časové okno: Years 1, 2, 3, and 4

The Condom-Use Skills Checklist is an 8-item scale assessing youth's understanding of correct condom use.

Each item is answered True/False. Scores are calculated as the total number of correct responses. Scores range from 0 to 8, with higher scores indicating greater knowledge of condom-use skills.

Years 1, 2, 3, and 4
Self-efficacy
Časové okno: Years 1, 2, 3, and 4

A 5-item self-efficacy for condom use scale will be utilized to assess students' self-perceived ability to use condoms.

Items are rated on a 5-point scale (1 = Strongly disagree; 5 = Strongly agree). Scores are calculated as the average of all items, with a range of 1 to 5. Higher scores indicate greater self-efficacy for condom use.

Years 1, 2, 3, and 4
Condom use
Časové okno: Years 1, 2, 3, and 4

Self-reported condom use in the last sexual intercourse and frequency of condom use in general (always, often, sometimes, or never)

Years 1, 2, 3, and 4

Sekundární výstupní opatření

Měření výsledku
Popis opatření
Časové okno
Youth risk and protective behaviors
Časové okno: Years 1, 2, and 4

The Health-Risk and Protective Factors (HRPF) survey

Years 1, 2, and 4
Youth sensation seeking
Časové okno: Years 1, 2, 3, and 4

The Health-Risk and Protective Factors (HRPF) survey

Years 1, 2, 3, and 4
Neighborhood risk
Časové okno: Years 1, 2, 3, and 4

The Health-Risk and Protective Factors (HRPF) survey

Years 1, 2, 3, and 4

Spolupracovníci a vyšetřovatelé

Zde najdete lidi a organizace zapojené do této studie.

Vyšetřovatelé

  • Vrchní vyšetřovatel: Bo Wang, PhD, UMass Chan Medical School

Termíny studijních záznamů

Tato data sledují průběh záznamů studie a předkládání souhrnných výsledků na ClinicalTrials.gov. Záznamy ze studií a hlášené výsledky jsou před zveřejněním na veřejné webové stránce přezkoumány Národní lékařskou knihovnou (NLM), aby se ujistily, že splňují specifické standardy kontroly kvality.

Hlavní termíny studia

Začátek studia (Aktuální)

1. října 2025

Primární dokončení (Odhadovaný)

31. srpna 2029

Dokončení studie (Odhadovaný)

30. listopadu 2029

Termíny zápisu do studia

První předloženo

25. srpna 2025

První předloženo, které splnilo kritéria kontroly kvality

25. srpna 2025

První zveřejněno (Aktuální)

3. září 2025

Aktualizace studijních záznamů

Poslední zveřejněná aktualizace (Aktuální)

24. září 2026

Odeslaná poslední aktualizace, která splnila kritéria kontroly kvality

23. září 2026

Naposledy ověřeno

1. září 2026

Více informací

Termíny související s touto studií

Další identifikační čísla studie

  • STUDY00002463

Plán pro data jednotlivých účastníků (IPD)

Plánujete sdílet data jednotlivých účastníků (IPD)?

ANO

Popis plánu IPD

All IPD collected during the trial, after deidentification.

Časový rámec sdílení IPD

Immediately following publication. No end date.

Kritéria přístupu pro sdílení IPD

Anyone who wishes to access the data

Typ podpůrných informací pro sdílení IPD

  • PROTOKOL STUDY
  • MÍZA
  • ICF
  • CSR

Informace o lécích a zařízeních, studijní dokumenty

Studuje lékový produkt regulovaný americkým FDA

Ne

Studuje produkt zařízení regulovaný americkým úřadem FDA

Ne

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