Benchmarking Large Language Models Against Tumour Boards for Oncology Treatment Recommendations (BEACON)
Benchmarking AI for Clinical Oncology decisioNmaking (BEACON): A Prospective, Multicentre, Blinded Evaluation of Frontier Large Language Models Against Multidisciplinary Tumour Board Recommendations in Oncology Treatment Planning
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
BEACON is a prospective, multicentre, blinded benchmark using automated, criteria-based scoring. It is built on three design decisions that distinguish it from the existing literature: (i) synthetic, standardised cases remove the record-completeness variability that confounds retrospective comparisons and allow the identical input to be given to every board and every model; (ii) two independent tumour boards per localisation let human-human agreement be measured rather than assumed; and (iii) a guideline matrix, locked a priori, provides an objective anchor applied identically to human and model recommendations.
Reference standard. For each case-domain, a guideline matrix (guideline-recommended / acceptable / unsupported options per case-domain; ESMO, NCCN), locked and time-stamped before data collection, is applied identically to boards and models.
Five decision domains. Every recommendation is decomposed into D1 Intent, D2 Surgery, D3 Radiotherapy, D4 Systemic therapy (class + line), and D5 Work-up & biomarkers before any comparison.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Anslået)
Tilmelding
Kontakter og lokationer
Studiekontakt
Studiekontakt
- Navn: Jérôme Lambert, MD PhD
- Telefonnummer: +33 0142499742
- E-mail: jerome.lambert@u-paris.fr
Undersøgelse Kontakt Backup
- Navn: Jean-Emmanuel Bibault, MD PhD
- Telefonnummer: +33 01 56 09 34 06
- E-mail: jean-emmanuel.bibault@aphp.fr
Studiesteder
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Paris, Frankrig
- Rekruttering
- Hôpital Europeén Georges Pompidou
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Kontakt:
- Jean-Emmanuel Bibault, MD PhD
- Telefonnummer: +33 01 56 09 28 34
- E-mail: jean-emmanuel.bibault@aphp.fr
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Synthetic oncology case within one of the five predefined localisations (breast, lung, urological, digestive, gynaecological).
- Complete structured schema: UICC 8th-edition stage, biomarkers, ECOG performance status, comorbidities and a standardised clinical question.
- A clinically answerable treatment-planning question that is mappable to the locked guideline matrix.
Exclusion Criteria:
- Case outside the five predefined localisations.
- Incomplete, internally inconsistent or ambiguous schema.
- Duplicate or near-duplicate of an existing case in the set.
- Question not resolvable by current guidelines.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Antal grupper/kohorter
Kohorter og interventioner
Gruppe / kohorteGruppe / kohorte |
Intervention / BehandlingIntervention / Behandling |
|---|---|
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Breast cancers
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Two independent tumour boards per localisation (10 boards in total) issue a categorical recommendation for every synthetic case.
Where both boards agree, their consensus defines the reference standard; where they differ, the case-domain is classified as EQUIPOISE and analysed separately.
Five frontier LLMs (GPT-5.6,
Claude Fable 5, Gemini 3.1 Pro, DeepSeek V4 Pro, Llama 4 Maverick) each receive the identical structured input for every case, three times in independent sessions, under locked prompts, versions and settings.
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Lung cancers
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Two independent tumour boards per localisation (10 boards in total) issue a categorical recommendation for every synthetic case.
Where both boards agree, their consensus defines the reference standard; where they differ, the case-domain is classified as EQUIPOISE and analysed separately.
Five frontier LLMs (GPT-5.6,
Claude Fable 5, Gemini 3.1 Pro, DeepSeek V4 Pro, Llama 4 Maverick) each receive the identical structured input for every case, three times in independent sessions, under locked prompts, versions and settings.
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Urological cancers
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Two independent tumour boards per localisation (10 boards in total) issue a categorical recommendation for every synthetic case.
Where both boards agree, their consensus defines the reference standard; where they differ, the case-domain is classified as EQUIPOISE and analysed separately.
Five frontier LLMs (GPT-5.6,
Claude Fable 5, Gemini 3.1 Pro, DeepSeek V4 Pro, Llama 4 Maverick) each receive the identical structured input for every case, three times in independent sessions, under locked prompts, versions and settings.
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Digestive cancers
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Two independent tumour boards per localisation (10 boards in total) issue a categorical recommendation for every synthetic case.
Where both boards agree, their consensus defines the reference standard; where they differ, the case-domain is classified as EQUIPOISE and analysed separately.
Five frontier LLMs (GPT-5.6,
Claude Fable 5, Gemini 3.1 Pro, DeepSeek V4 Pro, Llama 4 Maverick) each receive the identical structured input for every case, three times in independent sessions, under locked prompts, versions and settings.
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Gynaecological cancers
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Two independent tumour boards per localisation (10 boards in total) issue a categorical recommendation for every synthetic case.
Where both boards agree, their consensus defines the reference standard; where they differ, the case-domain is classified as EQUIPOISE and analysed separately.
Five frontier LLMs (GPT-5.6,
Claude Fable 5, Gemini 3.1 Pro, DeepSeek V4 Pro, Llama 4 Maverick) each receive the identical structured input for every case, three times in independent sessions, under locked prompts, versions and settings.
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Domain-level performance between LLM recommendations and the locked guidelines.
Tidsramme: Assessed once at central scoring, after data collection (~October 2026)
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For each recommendation domain and each LLM, proportion of LLM recommendation concordant with locked guidelines
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Assessed once at central scoring, after data collection (~October 2026)
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Proportion of recommendations carrying serious harm potential ( LLM and tumour boards)
Tidsramme: Up to October 2026
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Up to October 2026
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Domain-level recommendation concordance between LLM and tumour-boards
Tidsramme: Up to October 2026
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Each recommendation domain, decomposed into the five decision domains and scored per domain on an ordinal scale (2 = complete concordance; 1 = partial concordance; 0 = discordance).
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Up to October 2026
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Inter-tumour board domain-level recommendation concordance
Tidsramme: Up to October 2026
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Agreement between the two independent tumour boards scored per recommendation domain
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Up to October 2026
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Equipoise rate
Tidsramme: Up to October 2026
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Proportion of case-domains where the two tumour boards give different categorical recommendations
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Up to October 2026
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Completeness
Tidsramme: Up to October 2026
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Proportion of required domains addressed (LLM and tumour boards)
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Up to October 2026
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Missingness
Tidsramme: Up to October 2026
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Proportion of critical omissions (LLM and tumour boards)
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Up to October 2026
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Intensity bias
Tidsramme: Up to October 2026
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Proportion of recommendation corresponding to over- or under-treatment
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Up to October 2026
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Anslået)
Primær færdiggørelse
Studieafslutning (Anslået)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
- Urogenitale sygdomme
- Genitale sygdomme
- Genitale neoplasmer, mandlige
- Urogenitale neoplasmer
- Neoplasmer efter sted
- Kønssygdomme, mandlige
- Prostatasygdomme
- Mandlige urogenitale sygdomme
- Nyresygdomme
- Urologiske sygdomme
- Urogenitale sygdomme hos kvinder
- Kvinders urogenitale sygdomme og graviditetskomplikationer
- Luftvejssygdomme
- Sygdomme i fordøjelsessystemet
- Lungesygdomme
- Neoplasmer i luftvejene
- Thoracale neoplasmer
- Hudsygdomme
- Brystsygdomme
- Urinblæresygdomme
- Hud- og bindevævssygdomme
- Neoplasmer
- Prostatiske neoplasmer
- Lungeneoplasmer
- Brystneoplasmer
- Urinblære neoplasmer
- Urologiske neoplasmer
- Nyre-neoplasmer
- Neoplasmer i fordøjelsessystemet
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- APHP261032
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