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Engineering an Online STI Prevention Program: CSE2

3 luglio 2019 aggiornato da: Linda Collins, Penn State University

The Intersection of Alcohol and Sex: Engineering an Online STI Prevention Program

The overall objective of the proposed research is to reduce the incidence of sexually transmitted infections (STIs) among college students. The investigators propose to accomplish this by using the innovative, engineering-inspired multiphase optimization strategy (MOST) to develop a highly effective, appealing, economical, and readily scalable internet-delivered behavioral intervention targeting the intersection of alcohol use and sexual risk behavior. The rate of STIs on college campuses is alarming: one in four college students is diagnosed with an STI at least once during their college experience. Sexual activity when drinking alcohol is highly prevalent among college students. Alcohol use is known to contribute to the sexual risk behaviors that are most responsible for the transmission of STIs, namely unprotected sex, contact with numerous partners, and "hook-ups" (casual sexual encounters). Few interventions have been developed that explicitly target the intersection of alcohol use and sexual risk behaviors, and none have been optimized. In order to reduce the incidence of STI transmission among this and other high-risk groups, a new approach is needed. MOST is a comprehensive methodological framework that brings the power of engineering principles to bear on optimization of behavioral interventions. MOST enables researchers to experimentally test the individual components in an intervention to determine their effectiveness, indicating which components need to be revised and re-tested. Given the high rates of alcohol use and sex among college students, the college setting provides an ideal opportunity for intervening on alcohol use and sexual risk behaviors. The proposed study will include a diverse population of college students on 4 campuses which will increase the generalizability of the findings. The specific aims are to (1) develop and pilot test an initial set of online intervention components targeting the link between alcohol use and sexual risk behaviors, (2) use the MOST approach to build an optimized preventive intervention, and (3) evaluate the effectiveness of the newly optimized preventive intervention using a fully powered randomized controlled trial (RCT). This work will result in a new, more potent behavioral intervention that will reduce the incidence of STIs among college students in the US, and will lay the groundwork for a new generation of highly effective STI prevention interventions aimed at other subpopulations at risk.

Panoramica dello studio

Stato

Completato

Intervento / Trattamento

Descrizione dettagliata

As part of the MOST approach, the investigators will conduct a series of screening experiments to build an optimized intervention. The current study is the second (of two) screening experiments. The first screening experiment corresponds to clinicaltrials.gov ID # NCT02897804.

Tipo di studio

Interventistico

Iscrizione (Effettivo)

2946

Fase

  • Non applicabile

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

    • California
      • Fresno, California, Stati Uniti, 93740
        • Fresno State University
    • North Dakota
      • Fargo, North Dakota, Stati Uniti, 58108
        • North Dakota State University
    • Tennessee
      • Murfreesboro, Tennessee, Stati Uniti, 37132
        • Middle Tennessee State University
    • Texas
      • College Station, Texas, Stati Uniti, 77843
        • Texas A&M University

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

Da 18 anni a 30 anni (Adulto)

Accetta volontari sani

Sessi ammissibili allo studio

Tutto

Descrizione

Inclusion Criteria:

  • Currently enrolled at an American college or university
  • A first-year student or first-year transfer student
  • 18 years of age or older
  • Have not gone through previous versions of itMatters before

Exclusion Criteria:

  • Not a first-year student or transfer student
  • Younger than 18 years of age
  • Have gone through previous versions of itMatters

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Prevenzione
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione fattoriale
  • Mascheramento: Nessuno (etichetta aperta)

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Solo conoscenza
I partecipanti avranno accesso al modulo di conoscenza per un periodo massimo di 3 settimane.
Increase knowledge relate d STIs, STI risk, alcohol impairment, condom use skills, alcohol use behavior tracking skills, testing & treatment services.
Sperimentale: Solo autoefficacia
I partecipanti avranno accesso al modulo di conoscenza più il modulo di autoefficacia per un periodo massimo di 3 settimane.
Increase self-efficacy to us e protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
Sperimentale: Solo norme ingiuntive
I partecipanti avranno accesso al modulo di conoscenza più il modulo di norme ingiuntive per un periodo massimo di 3 settimane.
Correct misperceptions regarding approval of alcohol misuse & sexual risk taking.
Sperimentale: Norme descrittive e autoefficacia
I partecipanti avranno accesso al modulo di conoscenza più alle norme descrittive e ai moduli di autoefficacia per un periodo massimo di 3 settimane.
Correggere le percezioni errate della prevalenza di comportamenti sessuali a rischio indotti dall'alcol, uso/abuso di alcol e comportamenti sessuali a rischio e aumentare l'autoefficacia nell'uso di strategie comportamentali protettive (ad esempio, abilità di negoziazione del preservativo) per ridurre il sesso non protetto.
Sperimentale: Norme descrittive e benefici percepiti
I partecipanti avranno accesso al modulo di conoscenza più i moduli sulle norme descrittive e sui benefici percepiti per un periodo massimo di 3 settimane.
Correggere le percezioni errate della prevalenza di comportamenti sessuali a rischio indotti dall'alcol, uso/abuso di alcol e comportamenti sessuali a rischio e aumentare i benefici percepiti per utilizzare strategie comportamentali protettive per ridurre le conseguenze negative dell'impegno in comportamenti sessuali sotto l'influenza dell'alcol.
Sperimentale: Norme descrittive e norme ingiuntive
I partecipanti avranno accesso al modulo di conoscenza più i moduli di norme descrittive e norme ingiuntive per un periodo massimo di 3 settimane.
Correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors and correct misperceptions regarding approval of alcohol misuse & sexual risk taking.
Sperimentale: Aspettative da sole
I partecipanti avranno accesso al modulo di conoscenza più il modulo delle aspettative per un periodo massimo di 3 settimane.
Diminuire l'aspettativa che l'alcol sia necessario per avere un buon rapporto sessuale.
Sperimentale: Aspettative e autoefficacia
I partecipanti avranno accesso al modulo di conoscenza più i moduli sulle aspettative e sull'autoefficacia per un periodo massimo di 3 settimane.
Diminuire l'aspettativa che l'alcol sia necessario per avere un buon incontro sessuale e aumentare l'autoefficacia per utilizzare strategie comportamentali protettive (ad es. Capacità di negoziazione del preservativo) per ridurre il sesso non protetto.
Sperimentale: Aspettative e benefici percepiti
I partecipanti avranno accesso al modulo di conoscenza più i moduli sulle aspettative e sui benefici percepiti per un periodo massimo di 3 settimane.
Decrease the expectation that alcohol is needed to have good sexual encounter and increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol.
Sperimentale: Aspettative e norme ingiuntive
I partecipanti avranno accesso al modulo di conoscenza più i moduli di aspettative e norme ingiuntive per un periodo massimo di 3 settimane.
Diminuire l'aspettativa che l'alcol sia necessario per avere un buon incontro sessuale e correggere le percezioni errate riguardanti l'approvazione dell'abuso di alcol e l'assunzione di rischi sessuali.
Sperimentale: Aspettative, norme ingiuntive e benefici
I partecipanti avranno accesso al modulo di conoscenza più le aspettative, le norme ingiuntive e i moduli sui benefici percepiti per un periodo massimo di 3 settimane.
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; and increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol.
Sperimentale: Aspettative, norme ingiuntive, benefici, efficacia
I partecipanti avranno accesso al modulo di conoscenza più le aspettative, le norme ingiuntive, i benefici percepiti e i moduli di autoefficacia per un periodo massimo di 3 settimane.
Diminuire l'aspettativa che l'alcol sia necessario per avere un buon rapporto sessuale; correggere le percezioni errate riguardanti l'approvazione dell'abuso di alcol e l'assunzione di rischi sessuali; aumentare i benefici percepiti per utilizzare strategie comportamentali protettive per ridurre le conseguenze negative dell'intraprendere comportamenti sessuali sotto l'influenza dell'alcol; e aumentare l'autoefficacia per utilizzare strategie comportamentali protettive (ad esempio, capacità di negoziazione del preservativo) per ridurre il sesso non protetto.
Sperimentale: Aspettative e norme descrittive
I partecipanti avranno accesso al modulo di conoscenza più i moduli di aspettative e norme descrittive per un periodo massimo di 3 settimane.
Diminuire l'aspettativa che l'alcol sia necessario per avere un buon incontro sessuale e correggere le percezioni errate della prevalenza di comportamenti sessuali a rischio indotti dall'alcol, uso/abuso di alcol e comportamenti sessuali a rischio.
Sperimentale: Perceived benefits alone
Participants will have access to the knowledge module plus the perceived benefits module for a period up to 3 weeks. *Also referred to as 'benefits' in other arm descriptions**
Aumentare i benefici percepiti per utilizzare strategie comportamentali protettive per ridurre le conseguenze negative dell'intraprendere comportamenti sessuali sotto l'influenza dell'alcol.
Sperimentale: Benefits and self-efficacy
Participants will have access to the knowledge module plus perceived benefits and self-efficacy modules for a period up to 3 weeks.
Increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
Sperimentale: Injunctive norms and self-efficacy
Participants will have access to the knowledge module plus injunctive norms and self-efficacy modules for a period up to 3 weeks.
Correggere le percezioni errate riguardanti l'approvazione dell'abuso di alcol e l'assunzione di rischi sessuali e aumentare l'autoefficacia nell'uso di strategie comportamentali protettive (ad esempio, abilità di negoziazione del preservativo) per ridurre il sesso non protetto.
Sperimentale: Injunctive norms and benefits
Participants will have access to the knowledge module plus injunctive norms and perceived benefits modules for a period up to 3 weeks.
Correct misperceptions regarding approval of alcohol misuse & sexual risk taking and increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
Sperimentale: Injunctive norms, benefits, self-efficacy
Participants will have access to the knowledge module plus the injunctive norms, perceived benefits, and self-efficacy modules for a period up to 3 weeks.
Correct misperceptions regarding approval of alcohol misuse & sexual risk taking; increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
Sperimentale: Descriptive norms alone
Participants will have access to the knowledge module plus the descriptive norms modules for a period up to 3 weeks.
Correggere le percezioni errate della prevalenza di comportamenti sessuali a rischio indotti dall'alcol, uso/abuso di alcol e comportamenti sessuali a rischio.
Sperimentale: Descriptive norms, benefits, self-efficacy
Participants will have access to the knowledge module plus the descriptive norms, perceived benefits, and self-efficacy modules for a period up to 3 weeks.
Correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
Sperimentale: Descriptive and injunctive norms, self-efficacy
Participants will have access to the knowledge module plus the injunctive norms and self-efficacy modules for a period up to 3 weeks.
orrect misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
Sperimentale: Descriptive and injunctive norms, and benefits
Participants will have access to the knowledge module plus the descriptive norms, injunctive norms, and perceived benefits modules for a period up to 3 weeks.
Correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; and increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol.
Sperimentale: Descriptive & injunctive norms, benefits, efficacy
Participants will have access to the knowledge module plus the descriptive norms, injunctive norms, perceived benefits, and self-efficacy modules for a period up to 3 weeks.
Correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol; and Increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
Sperimentale: Expectancies, benefits, self-efficacy
Participants will have access to the knowledge module plus the expectancies, perceived benefits, and self-efficacy modules for a period up to 3 weeks.
Decrease the expectation that alcohol is needed to have good sexual encounter; increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
Sperimentale: Expectancies, injunctive norms, self-efficacy
Participants will have access to the knowledge module plus the expectancies, injunctive norms, and self-efficacy modules for a period up to 3 weeks.
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
Sperimentale: Expectancies, descriptive norms, self-efficacy
Participants will have access to the knowledge module plus the expectancies, descriptive norms, and self-efficacy modules for a period up to 3 weeks.
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
Sperimentale: Expectancies, descriptive norms, benefits
Participants will have access to the knowledge module plus the expectancies, descriptive norms, and perceived benefits modules for a period up to 3 weeks.
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; and increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol.
Sperimentale: Expectancies, descriptive norms, benefits, efficacy
Participants will have access to the knowledge module plus the expectancies, descriptive norms, perceived benefits, and self-efficacy modules for a period up to 3 weeks.
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
Sperimentale: Expectancies, descriptive and injunctive norms
Participants will have access to the knowledge module plus the expectancies , descriptive norms, and injunctive norms modules for a period up to 3 weeks.
Diminuire l'aspettativa che l'alcol sia necessario per avere un buon rapporto sessuale; correggere le percezioni errate della prevalenza di comportamenti sessuali a rischio indotti dall'alcol, uso/abuso di alcol e comportamenti sessuali a rischio; e correggere le percezioni errate riguardanti l'approvazione dell'abuso di alcol e l'assunzione di rischi sessuali.
Sperimentale: Expectancies, descriptive & injunctive norms, efficacy
Participants will have access to the knowledge module plus the expectancies , descriptive norms, injunctive norms, and self-efficacy modules for a period up to 3 weeks.
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.
Sperimentale: Expectancies, descriptive & injunctive norms, benefits
Participants will have access to the knowledge module plus the expectancies, descriptive norms, injunctive norms, and perceived benefits modules for a period up to 3 weeks.
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; and increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol.
Sperimentale: Expectancies, descriptive & injunctive, benefits, efficacy
Participants will have access to the knowledge module plus the expectancies, descriptive norms, injunctive norms, perceived benefits, and self-efficacy modules for a period up to 3 weeks.
Decrease the expectation that alcohol is needed to have good sexual encounter; correct misperceptions of prevalence of alcohol-induced sexual risk behaviors, alcohol use/misuse, and sexual risk behaviors; correct misperceptions regarding approval of alcohol misuse & sexual risk taking; increase perceived benefits to use protective behavioral strategies to reduce the negative consequences of engaging in sexual behaviors under the influence of alcohol; and increase self-efficacy to use protective behavioral strategies (e.g., condom negotiation skills) to reduce unprotected sex.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Descriptive norms about the intersection of alcohol and sex collected via an online questionnaire.
Lasso di tempo: This measure will be assessed immediately following the 3-week intervention.
This scale consists of 6 items and will be created as a weighted scale score. Analyses will report the mean and standard deviation and expected mean values from a regression analysis. The scale will reflect the average perceived prevalence of the alcohol and sex behaviors.
This measure will be assessed immediately following the 3-week intervention.
Injunctive norms about the intersection of alcohol and sex collected via an online questionnaire.
Lasso di tempo: his measure will be assessed immediately following the 3-week intervention.
This scale consists of 6 items and will be created as a weighted scale score. Analyses will report the mean and standard deviation and expected mean values from a regression analysis. The scale will reflect the average perceived approval of the alcohol and sex behaviors, ranging from strongly disapprove to strongly approve.
his measure will be assessed immediately following the 3-week intervention.
Expectancies about the intersection of alcohol use and sex collected via an online questionnaire.
Lasso di tempo: This measure will be assessed immediately following the 3-week intervention.
This scale consists of 10 items and will be created as a weighted scale score. Analyses will report the mean and standard deviation and expected mean values from a regression analysis. The scale will reflect the average number of drinks expected to experience the 10 different outcomes.
This measure will be assessed immediately following the 3-week intervention.
Perceived benefits about using protective behavioral strategies collected via an online questionnaire.
Lasso di tempo: This measure will be assessed immediately following the 3-week intervention.
This scale consists of 11 items and will be created as a weighted scale score. Analyses will report the mean and standard deviation and expected mean values from a regression analysis. The scale will reflect the average likelihood of contracting an STI using the listed behaviors.
This measure will be assessed immediately following the 3-week intervention.
Self-efficacy to use protective behavioral strategies collected via an online questionnaire.
Lasso di tempo: This measure will be assessed immediately following the 3-week intervention.
This scale consists of 9 items and will be created as a weighted scale score. Analyses will report the mean and standard deviation and expected mean values from a regression analysis. The scale will reflect the average level of confidence is using protective behavioral strategies to reduce the risk of contracting and STI, ranging from not at all confident to extremely confident.
This measure will be assessed immediately following the 3-week intervention.

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Binge drinking behavior collected via an online questionnaire.
Lasso di tempo: This measure will be assessed 1 month following the completion of the intervention.
This item asks how many times in the past two weeks a male has 5 or more drinks in a 2-hour period (or females 4 or more drinks in a 2-hour period). This variable will be collapsed into 1 or more times versus other and reported as a prevalence of this behavior and used as a dichotomous outcome in regression analyses.
This measure will be assessed 1 month following the completion of the intervention.
Unprotected sex behavior at most recent sex collected via an online questionnaire.
Lasso di tempo: This measure will be assessed 1 month following the completion of the intervention.
This item asks whether or not a condom was used for oral, anal or vaginal sex. This variable will be collapsed into a dichotomous variable with unprotected anal or vaginal sex versus other and reported as a prevalence of this behavior and used as a dichotomous outcome in regression analyses.
This measure will be assessed 1 month following the completion of the intervention.
Penetrative sex at most recent hookup collected via an online questionnaire.
Lasso di tempo: This measure will be assessed 1 month following the completion of the intervention.
This item asks whether or not the most recent hookup included vaginal or anal sex. This variable will be collapsed into a dichotomous variable with penetrative sex versus other and reported as a prevalence of this behavior and used as a dichotomous outcome in regression analyses.
This measure will be assessed 1 month following the completion of the intervention.

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

18 settembre 2017

Completamento primario (Effettivo)

31 dicembre 2017

Completamento dello studio (Effettivo)

31 dicembre 2017

Date di iscrizione allo studio

Primo inviato

17 gennaio 2018

Primo inviato che soddisfa i criteri di controllo qualità

17 gennaio 2018

Primo Inserito (Effettivo)

24 gennaio 2018

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

5 luglio 2019

Ultimo aggiornamento inviato che soddisfa i criteri QC

3 luglio 2019

Ultimo verificato

1 luglio 2019

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • R01AA022931-2
  • R01AA022931 (Sovvenzione/contratto NIH degli Stati Uniti)

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

NO

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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