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Enhancing Readability of Lay Abstracts and Summaries for Medical Knowledge Using Generative Artificial Intelligence (BRIDGE AI 3)

4. maj 2026 opdateret af: Giovanni Cacciamani, University of Southern California

Enhancing Readability of Lay Abstracts and Summaries for Medical Knowledge Using Generative Artificial Intelligence: A Randomized Controlled Trial (BRIDGE AI 3)

This trial tests if AI can help make medical info clear and readable. Many patients struggle to find medical informations that easy to read and understand from verified medical sources. The study tests if an AI tool can assist health providers to craft clear text for patients more fast than what they do now. Health providers are split at random into two groups-one uses the AI tool and one does not. The trial tests how clear the text is, how correct it is, and how much time is saved. The aim is to see if AI can close the gap between complex research and what patients can grasp.

Studieoversigt

Status

Afsluttet

Intervention / Behandling

Detaljeret beskrivelse

This study evaluates whether a generative artificial intelligence (AI) tool can improve the readability and accessibility of lay summaries derived from scientific medical abstracts. Many patients encounter difficulty understanding medical literature due to technical language and complexity, which can limit informed decision-making and engagement with healthcare information.

The BRIDGE-AI (Provider Perspective) initiative aims to address this gap by enabling healthcare professionals and researchers to generate patient-friendly summaries of scientific content using AI-assisted tools. The intervention leverages a generative AI framework (pub2people) designed to translate complex medical terminology into language that is understandable to a general audience.

In this randomized controlled study, participants with experience in scientific publishing will be assigned to either an AI-assisted group or a control group using conventional methods. Participants will be asked to transform scientific abstracts into layperson-friendly summaries. The study compares AI-assisted and manually generated outputs in terms of readability, accuracy, and efficiency.

The primary objective is to determine whether AI-assisted generation improves the readability of lay summaries compared to standard approaches. Secondary objectives include evaluating the accuracy of AI-generated summaries relative to source material and assessing potential time savings associated with AI use.

This study contributes to ongoing efforts to improve health communication by evaluating scalable tools that may enhance the translation of complex medical information into patient-accessible formats.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

120

Fase

  • Fase 2

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

    • California
      • Los Angeles, California, Forenede Stater, 91100
        • University of Southern California

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ja

Beskrivelse

Provider Participants

Inclusion:

  • Corresponding authors who have been published in the top 10 journals of urology and medicine
  • All genders
  • Any profession
  • 18+ years of age

Exclusion:

  • Anyone under the age of 18
  • Participants that have not published in the top 10 journals of urology and medicine

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Sundhedstjenesteforskning
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Ingen indgriben: Gold Standard
Eksperimentel: Pub2Post
Pub2Post, a generative artificial intelligence agent which helps in drafting the layperson abstracts and summaries

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Readability Change
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.

Flesch Reading Ease Score

Description: Measures text readability based on sentence length and word syllables.

Scale: 0 to 100 Interpretation: Higher scores indicate easier readability (better outcome).

The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.
Readability Change
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.
Flesch-Kincaid Grade Level Description: Estimates U.S. school grade level required to understand the text. Scale: Typically ranges from ~0 to 18+ Interpretation: Lower scores indicate easier readability (better outcome).
The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.
Readability Change
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.

Gunning Fog Index Description: Estimates years of formal education needed to understand the text on first reading.

Scale: Typically 0 to 20+ Interpretation: Lower scores indicate easier readability (better outcome).

The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.
Readability Change
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.
SMOG Index (Simple Measure of Gobbledygook) Description: Estimates years of education required to comprehend the text. Scale: Typically 0 to 20+ Interpretation: Lower scores indicate easier readability (better outcome).
The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.
Readability Change
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.

Coleman-Liau Index Description: Readability formula based on characters per word and sentence length.

Scale: Typically 0 to 18+ (grade level equivalent) Interpretation: Lower scores indicate easier readability (better outcome).

The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.
Readability Change
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.

Automated Readability Index (ARI) Description: Estimates grade level required for comprehension using characters and word counts.

Scale: Typically 0 to 14+ Interpretation: Lower scores indicate easier readability (better outcome).

The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Time Saving
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.

To evaluate the time savings achieved by using generative AI compared to traditional methods for generating layperson abstracts and summaries. Time will be recorded in hours, minutes, and seconds. We will collect and compare the total time spent drafting the complete layperson abstract and summaries, as well as the time spent on each individual section - background, methods, results, conclusion, and short summaries. The comparison will be made between summaries created by humans alone versus those created with GAI assistance.

Time will be reported in minutes

The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.
Correctness and meaning retention
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.

Accuracy Score of Layperson Abstract Sections Description: Degree to which each section (Background, Methods, Results, Conclusion, Short Summary) reflects key information from the original scientific abstract.

Scale: 5-point Likert scale (1 = very inaccurate, 5 = highly accurate) Assessment Method: Two independent reviewers score each section Interpretation: Higher scores indicate better accuracy (better outcome).

The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.
Correctness and meaning retention
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.

Completeness Score of Layperson Abstract Sections Description: Extent to which essential information from the original abstract is included in each section.

Scale: 5-point Likert scale (1 = very incomplete, 5 = fully complete) Assessment Method: Two independent reviewers evaluate each section. Interpretation: Higher scores indicate greater completeness (better outcome).

The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.
Correctness and meaning retention
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.

Clarity Score for Layperson Readability Description: Evaluates simplicity, avoidance of jargon, and coherence for lay audiences.

Scale: 5-point Likert scale (1 = very unclear, 5 = very clear and understandable) Assessment Method: Two independent reviewers evaluate each section. Interpretation: Higher scores indicate better clarity (better outcome).

The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.
Correctness and meaning retention
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.

Section-Level Correctness Rate Description: Proportion of sections rated as "correct," defined as receiving scores ≥4 from both reviewers on accuracy, completeness, and clarity simultaneously.

Scale: 0 to 1 (proportion) or 0% to 100% Interpretation: Higher values indicate better overall section quality.

The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.
Correctness and meaning retention
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.

Hallucination Rate Description: Frequency of false or misleading content in generated layperson abstracts, defined as information not supported by the original abstract.

Scale: Proportion of sections or documents containing hallucinations (0 to 1 or %) Assessment Method: Evaluated separately by reviewers using predefined criteria. Interpretation: Lower values indicate better performance (fewer hallucinations).

The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment.
Perceived Task Difficulty
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment

Description: Participant-reported difficulty of completing the lay abstract summarization task.

Scale: 5-point Likert scale (1 = very easy, 5 = very difficult) (adjust anchors if different in your instrument) Assessment Timing: Immediately after task completion Interpretation: Lower scores indicate less perceived difficulty (better outcome)

The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment
Perceived Task Duration
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment
Description: Participant perception of time required to complete the task. Scale: 5-point Likert scale (1 = very short, 5 = very long) Assessment Timing: Post-task Interpretation: Lower scores indicate shorter perceived duration (better outcome)
The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment
Perceived Helpfulness of the intervention
Tidsramme: The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment

Description: Participant-reported usefulness of the generative AI tool in assisting lay abstract creation.

Scale: 5-point Likert scale (1 = not helpful at all, 5 = extremely helpful) Assessment Timing: Post-task Interpretation: Higher scores indicate greater perceived helpfulness (better outcome)

The assessment will be conducted immediately after the study closes, which will occur 4 weeks after enrollment
System Usability Scale (SUS) Score
Tidsramme: Immediately after completing the system/task (post-use assessment)

Description: Standardized assessment of system usability using the System Usability Scale.

Scale: 0 to 100 Interpretation: Higher scores indicate better usability

  • 70: acceptable usability
  • 90: superior usability
Immediately after completing the system/task (post-use assessment)
Perceived Usefulness (Technology Acceptance Model)
Tidsramme: Immediately after completing the system/task (post-use assessment)

Description: Degree to which participants believe the GAI tool enhances task performance.

Scale: Likert scale (typically 1-5 or 1-7; specify exact instrument version) Interpretation: Higher scores indicate greater perceived usefulness (better outcome)

Immediately after completing the system/task (post-use assessment)
Perceived Ease of Use (Technology Acceptance Model)
Tidsramme: Immediately after completing the system/task (post-use assessment)
Description: Degree to which participants find the GAI tool easy to use. Scale: Likert scale (typically 1-5 or 1-7; must match instrument used) Interpretation: Higher scores indicate greater ease of use (better outcome)
Immediately after completing the system/task (post-use assessment)

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

16. januar 2025

Primær færdiggørelse (Faktiske)

22. januar 2025

Studieafslutning (Faktiske)

27. februar 2025

Datoer for studieregistrering

Først indsendt

12. marts 2025

Først indsendt, der opfyldte QC-kriterier

30. april 2026

Først opslået (Faktiske)

5. maj 2026

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

6. maj 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

4. maj 2026

Sidst verificeret

1. maj 2026

Mere information

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