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A Mobile Web App Intervention to Promote Cervical Cancer Screening (wPap)

19 maggio 2026 aggiornato da: University of South Dakota

A Mobile Web App Intervention to Promote Cervical Cancer Screening Among Indigenous Women

The overarching goal of this study is to increase cervical cancer (CC) screening rates among Indigenous women in the U.S. Specifically, the study aims to develop and evaluate a culturally tailored, multilevel, multimedia mobile web app intervention (wPap) for women of the Yankton Sioux Tribe (YST) living on the YST Reservation in South Dakota.

The wPap intervention will be tested in a randomized clinical trial (RCT) involving 120 YST women aged 25-65. Participants will be randomly assigned to either: (a) the wPap intervention group (n = 60), receiving personalized, culturally tailored multilevel multimedia messages through a mobile web app along with health navigator support, or (b) a waitlist control group (n = 60), receiving printed educational materials on cervical cancer and screening guidelines along with health navigator support. The intervention will last seven days, with assessments conducted at baseline, one week post-intervention, and six months post-intervention via surveys and telephone follow-up.

The study tests the following hypotheses:

(H1) women in the wPap intervention group will achieve higher CC screening rates than the waitlist control group; (H2) the wPap group will demonstrate greater improvements in knowledge, attitudes/beliefs, self-efficacy, and intention to undergo CC screening; and (H3) the wPap group will report higher satisfaction and acceptance of the intervention compared with the waitlist control group. Findings will inform the feasibility, acceptability, and efficacy of mobile web app interventions tailored to Indigenous communities to improve CC screening.

Panoramica dello studio

Stato

Non ancora reclutamento

Condizioni

Intervento / Trattamento

Descrizione dettagliata

This study aims to increase cervical cancer (CC) screening among Yankton Sioux Tribe (YST) women by testing a culturally tailored mobile web app intervention called wPap. We plan to enroll 120 eligible women aged 25-65 living on the YST Reservation, anticipating a 20% attrition rate (about 24 participants) by the six-month follow-up. This sample size is based on prior findings from our wMammogram study, which showed a medium effect size for screening interventions. Selecting 120 participants ensures sufficient power to detect meaningful differences between groups, even with attrition.

Participants will be randomly assigned to one of two groups: the wPap intervention group, which receives personalized, culturally tailored multimedia messages through a mobile web app along with health navigator support, or a waitlist control group, which receives printed educational materials and health navigator support. The intervention lasts seven days, and assessments will be conducted at baseline, one week post-intervention, and six months post-intervention.

Outcome Measures:

  • Primary efficacy outcome: CC screening completion, verified by physician documentation, using any of the three ACS-recommended screening methods (primary HPV test, HPV/Pap co-test, or Pap test alone). Participants without verification will be considered unscreened.
  • Secondary outcomes: Knowledge, attitudes/beliefs, self-efficacy, and intention to undergo CC screening.
  • Feasibility measures: Participant satisfaction with wPap (4-point scale) and acceptance of the intervention, measured by willingness to recommend it to others.

Data Analysis: Descriptive statistics will summarize participant characteristics, outcomes, and retention. Group equivalence at baseline will be assessed using t-tests and chi-square tests. Chi-square tests and logistic regression will evaluate CC screening completion by intervention group, adjusting for socio-demographic factors. Analyses will be performed using STATA and R.

Tipo di studio

Interventistico

Iscrizione (Stimato)

120

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.

Contatto studio

Backup dei contatti dello studio

Luoghi di studio

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

  • Adulto
  • Adulto più anziano

Accetta volontari sani

Sì

Descrizione

Inclusion Criteria:

  • Women who are self-identified AI women of the YST in SD
  • Women who are aged 25 to 65 years
  • Women who have not received any of the following cervical cancer screening tests: a Pap test within the past 3 years, primary HPV testing within the past 5 years, or HPV/Pap co-testing within the past 5 years.
  • Women who are willing to use their own mobile phone, iPad, tablets, and computers, or a mobile phone borrowed from the research team for the wPap intervention.

Exclusion Criteria:

  • Women younger than 25 years or older than 65 years
  • Women who are currently up to date with cervical cancer screening according to recommended guidelines (Pap test within the past 3 years, primary HPV testing within the past 5 years, or HPV/Pap co-testing within the past 5 years)
  • Women with a prior diagnosis of cervical cancer
  • Women who have had a total hysterectomy that included removal of the cervix, without a history of high-grade precancerous lesions
  • Women with a previous colposcopy examination indicating abnormal cytology that requires more frequent screening than every 3 years

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 parallela
  • Mascheramento: Separare

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: Experimental: Intervention
Participants in this arm will receive a seven-day mobile web app intervention designed to promote cervical cancer (CC) screening. Participants are required to download the wPap mobile app and complete daily educational modules over the seven-day period. Each module includes information about CC risk factors, screening guidelines, and health promotion strategies tailored to the cultural context of the Yankton Sioux Tribe. Participants will complete pre- and post-tests to assess knowledge, attitudes, self-efficacy, and intent to undergo screening. The intervention encourages participants to increase awareness of CC screening needs and supports engagement with available health services.
Comportamentale: wPap Mobile Web App Intervention
A seven-day mobile web app program providing culturally tailored educational modules on cervical cancer risk, screening guidelines, and health promotion strategies. Participants download the app, complete daily modules, and complete pre- and post-tests to assess knowledge, attitudes, self-efficacy, and intention to undergo cervical cancer screening. Health navigator support is provided throughout the intervention.
Nessun intervento: Control group
Participants are randomized to control arm where they are give an education brochure. There are pre and post tests to complete.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Receipt of Cervical Cancer Screening
Lasso di tempo: 6 months
Completion of one of the three recommended screening methods by the ACS: primary HPV testing, co-testing, or Pap test alone. Completion of screening will be assessed using physician-signed verification of CC screening (Yes, No).
6 months

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Intent to Undergo Cervical Cancer Screening
Lasso di tempo: Measured at baseline and 1 week post-intervention.
Intent to undergo cervical cancer screening will be assessed using two items informed by the Transtheoretical Model stages of change, which reflect increasing commitment toward adoption of screening behavior (precontemplation, contemplation, and preparation). The items assess: (1) participants' plan to receive cervical cancer screening in the next 6 months (Yes/No), and (2) level of intention to undergo cervical cancer screening in the future, rated on a 4-point scale ranging from today or within 1 month to within 1 year. Higher scores indicate greater intention and readiness to undergo cervical cancer screening.
Measured at baseline and 1 week post-intervention.
Participant Acceptance of the Intervention
Lasso di tempo: Measured at 1 week post-intervention.
Participant acceptance of the intervention will be assessed by a single-item measure evaluating willingness to recommend the intervention received to friends (Yes/No). A "Yes" response indicates acceptance and positive endorsement of the intervention.
Measured at 1 week post-intervention.
Cervical Cancer Knowledge
Lasso di tempo: Measured at baseline and 1 week post-intervention.
Cervical cancer knowledge will be assessed using Taylor et al.'s Cervical Cancer Knowledge Scale, a modified previously validated 15-item true/false instrument. Scores range from 0 to 15, with scores calculated as the total number of correctly answered items. Higher scores indicate greater cervical cancer knowledge and represent a better outcome.
Measured at baseline and 1 week post-intervention.
Health Beliefs and Attitudes Toward Cervical Cancer Screening
Lasso di tempo: Measured at baseline and 1 week post-intervention.
Health beliefs and attitudes toward cervical cancer screening will be assessed using selected domains from the Champion's Health Belief Model Scale. Four domains consisting of 19 items will be used: perceived susceptibility, perceived seriousness, perceived benefits, and perceived barriers. Scores on the Champion's Health Belief Model Scale range from 1 to 76, with scores calculated by summing item responses within each domain. Higher scores indicate stronger endorsement of the respective health belief construct. Higher scores for perceived susceptibility, perceived seriousness, and perceived benefits represent more favorable beliefs and attitudes toward cervical cancer screening and indicate a better outcome, whereas higher scores for perceived barriers represent less favorable beliefs toward cervical cancer screening and indicate a worse outcome.
Measured at baseline and 1 week post-intervention.
Self-Efficacy for Cervical Cancer Screening
Lasso di tempo: Measured at baseline and 1 week post-intervention.
Self-efficacy for cervical cancer screening will be assessed using a modified version of Frerichs et al.'s Colorectal Cancer Screening Self-Efficacy Scale, adapted for this study to evaluate participants' confidence in obtaining cervical cancer screening. Scores on the Cancer Screening Self-Efficacy Scale range from 1 to 32, with higher scores indicating greater self-efficacy for completing cervical cancer screening behaviors and representing a better outcome.
Measured at baseline and 1 week post-intervention.
Participant Satisfaction With the Intervention
Lasso di tempo: Measured at 1 week post-intervention.
Participant satisfaction with the intervention will be assessed using a single-item satisfaction measure rated on a 4-point Likert scale, with scores ranging from 1 (very dissatisfied) to 4 (very satisfied). Higher scores indicate greater satisfaction with the intervention and represent a better outcome.
Measured at 1 week post-intervention.

Collaboratori e investigatori

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

Sponsor

University of South Dakota

Investigatori

  • Investigatore principale: Soonhee Roh, PhD, University of South Dakota

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 (Stimato)

1 maggio 2026

Completamento primario (Stimato)

1 novembre 2026

Completamento dello studio (Stimato)

15 novembre 2026

Date di iscrizione allo studio

Primo inviato

1 maggio 2026

Primo inviato che soddisfa i criteri di controllo qualità

1 maggio 2026

Primo Inserito (Effettivo)

7 maggio 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

22 maggio 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

19 maggio 2026

Ultimo verificato

1 maggio 2026

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • University of South Dakota

Piano per i dati dei singoli partecipanti (IPD)

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

NO

Descrizione del piano IPD

Not sharing IPD with other researchers

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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Malattie rare

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