Isabelle Boutron

The latest Bias Methods Group newsletter is live! Dive into fresh insights and essential updates on tackling bias in research, as well as a call for abstracts for the 2025 annual meeting! Read it on the BMG website: methods.cochrane.org/bias/about-u...

2025 annual meeting(s) and call for abstracts | Cochrane Bias

Are you interested in presenting your research at the annual Bias Methods Group meeting? If so, please do not forget to submit your abstract to cochranemethodsbias@gmail.com by August 11. For more information, please click here: methods.cochrane.org/bias/news/20...

Two modules of the International Summer School in Public Health came to their conclusion yesterday. @cressumr1153.bsky.social and Institut Paris Public Health. After two days of intensive exchanges, workshops and teaching, these modules came to a close in a constructive and collaborative spirit.

A special shout out to:
@rohitarorayyc.bsky.social
@paullusla.bsky.social
@jzsang.bsky.social

for working tirelessly to make this dream happen <3

And our advisors:
@isabelleboutron.bsky.social
David Moher
@geochurch.bsky.social
@nikbobrovitz.bsky.social

Excellent opportunity to learn innovative design, to interact with outstanding researchers in the field of epidemiology and statistics!!!

The international summer school of the @cressumr1153.bsky.social in the centre of Paris

Retour sur la 2ᵉ journée de l’École d’Été en Santé Publique du @cressumr1153.bsky.social & de l'Institut Paris Public Health !
Une journée animée autour d'ateliers pratiques et échanges pluridisciplinaires sur les grands enjeux de santé publique. @inserm.fr @upcite.bsky.social @univ-spn.bsky.social

Rethinking the role of suffering in healthcare: Reflections on the interdisciplinary study day of March 20, 2025 - CRESS - Centre de Recherche en Epidémiologie et Statistiques

On March 20, Astrid Chevance of the METHODS team at @cressumr1153.bsky.social and Luz Ascarate (philosopher) organized an interdisciplinary study day entitled “Suffering and pain”.

cress-umr1153.fr/en/rethinkin...

@inserm.fr
@upcite.bsky.social
@univ-spn.bsky.social
@inrae-france.bsky.social

L’École d'été internationale en Santé Publique organisée par @cressumr1153.bsky.social et l'Institut Paris Public Health débute aujourd'hui ! Du 02 au 13 juin, deux semaines de formation de haut niveau en Santé Publique. @upcite.bsky.social @univ-spn.bsky.social @inserm.fr @inrae-france.bsky.social

French trial sponsors are urged to bolster clinical trial transparency A French government working group recommended a sweeping plan to publicize study data and issue guidelines for reporting results on a timely basis.

"French trial sponsors are urged to bolster clinical trial transparency": STAT News covers the recent French report urging that study results be published in a registry. I was very happy to be interviewed and provide some context.

#SemainedelaRechercheClinique 🔬 | @isabelleboutron.bsky.social mène des travaux visant à améliorer la conception, la transparence et l'interprétation des essais cliniques. Découvrez sa vision⬇️
@ap-hp.bsky.social @upcite.bsky.social @cochranefrance.bsky.social @cressumr1153.bsky.social @inserm.fr

YouTube video by CRESS UMR1153 Portrait du CRESS - Pierre-Yves Ancel

Pierre-Yves Ancel, co-founding member of @cressumr1153.bsky.social, looks back at the history of the center created in 2014. An ambitious project to foster interdisciplinarity in response to public health challenges.

youtu.be/a4tv4VY5uE8
👉 Subscribe for more videos!

@upcite.bsky.social

New post on ResToRes's website "Massive collaboration sharpens tools for identifying problematic trials". It is about the recent publication of INSPECT-SR Stage 2 findings in The Journal of Clinical Epidemiology.

restores.univ-rennes.fr/highlights/m...

International Public Health Summer School: From June 2 to June 13, 2025 - CRESS - Centre de Recherche en Epidémiologie et Statistiques

'Early bird' rates extended!

To allow as many people as possible to experience the unique and enriching International Summer School in Public Health we've decided to extend our early bird rates until May 19, 2025, offering a learning opportunity open to everyone!

cress-umr1153.fr/en/summer-sc...

NEW PAPER: Updated SPIRIT-2025 for reporting protocols of randomised trials is now available in the @BMJ.com, @JAMA.com, @thelancet.bsky.social, @PLoS.org, and @natmedicine.bsky.social.

—> www.bmj.com/content/389/...

#openscience #transparency #medsky #statssky #episky

🔦 Super happy to highlight a great event by the French Reproducible Research Network! 🎥 Recordings, 🖥️ slides & 📝 notes of the 2025 meeting are now online (in French)!
🔗 www.canal-u.tv/chaines/rfrr...
#Reproducibility #OpenScience #MetaResearch #RestoRes

Inclusion of Retracted Studies in Systematic Reviews and Meta-Analyses of Interventions This systematic review and meta-analysis identifies reports of systematic reviews that included retracted studies in their meta-analyses, and assesses the impact of these retracted studies on the resu...

Read our paper in JAMA Internal Med with a great editorial. Wonderful collaboration with @gcabanac.cpesr.fr

Retracted papers are included in meta-analyses published in HIF journal. Inclusion of the retracted studies changed
effect estimates.
jamanetwork.com/journals/jam...

A person looking at data

The CONSORT statement has been updated to reflect recent methodological advancements and user feedback.

This article describes the rationale for each checklist item and provides published examples of good reporting
www.bmj.com/content/389/...

Assessing the Coverage of PubMed, Embase, OpenAlex and Semantic Scholar for Automated Single Database Searches in Living Guideline Evidence Surveillance: A Case Study of the International PCOS Guidelines 2023 - Journal of Clinical Epidemiology www.jclinepi.com/article/S089...

Watch this space, as updated guidance for protocols of randomised trials (SPIRIT-2025) will be published in a couple of weeks.

CONSORT 2025 has landed! Including, among other changes, new items on reporting:
⚕️patient and public involvement
💉intervention delivery
☠️harms
❓missing data handling
👐data sharing
💰author conflicts of interest
...and an enhanced emphasis on open science practices.

New website: consort-spirit.org

CONSORT 2025 explanation and elaboration: updated guideline for reporting randomised trials Critical appraisal of the quality of randomised trials is possible only if their design, conduct, analysis, and results are completely and accurately reported. Without transparent reporting of the met...

NEW: CONSORT 2025 now published!

Some notable changes:
-items on analysis populations, missing data methods, and sensitivity analyses
-reporting of non-adherence and concomitant care
-reporting of changes to any study methods, not just outcomes
-and lots of other things

www.bmj.com/content/389/...

Image shows PDF.

Authors, editors, reviewers, and other potential users should use CONSORT 2025 when writing and evaluating manuscripts of randomized trials to ensure that trial reports are clear and transparent.

Learn more in this Special Communication. https://ja.ma/3Yyu0Hh

Well designed and properly executed randomised trials are considered the most reliable evidence on the benefits of healthcare interventions.

This update to the CONSORT guidelines includes new changes to the checklist
www.bmj.com/content/389/...

The new version is great!
Congratulations to the whole team and to
@isabelleboutron.bsky.social

International Public Health Summer School: From June 2 to June 13, 2025 - CRESS - Centre de Recherche en Epidémiologie et Statistiques

Expand your knowledge on "Systematic reviews and meta-analyses of interventions".
From June 10th to 11th, 2025, I will be speaking at the CRESS International Summer School in Paris.
Hands-on sessions!
REGISTER NOW!
cress-umr1153.fr/en/summer-sc...
I look forward to seeing you there!

International Public Health Summer School: From June 2 to June 13, 2025 - CRESS - Centre de Recherche en Epidémiologie et Statistiques

Expand your knowledge on "Systematic reviews and meta-analyses of interventions".
From June 10th to 11th, 2025, I will be speaking at the CRESS International Summer School in Paris.
Hands-on sessions!
REGISTER NOW!
cress-umr1153.fr/en/summer-sc...
I look forward to seeing you there!

How thousands of invisible citations sneak into papers and make for fake metrics In 2022, Guillaume Cabanac noticed something unusual: a study had attracted more than 100 citations in a short span of less than two months of being published.  Cabanac, a computer scientist a…

“We believe we found an undocumented way of cheating with citation counts,” Cabanac tells Retraction Watch. “It’s original because it doesn’t require fraudsters to alter the version of record, meaning the PDF or HTML version of the paper.”
retractionwatch.com/2023/10/09/h...

Inclusion of Retracted Studies in Systematic Reviews and Meta-Analyses of Interventions This systematic review and meta-analysis identifies reports of systematic reviews that included retracted studies in their meta-analyses, and assesses the impact of these retracted studies on the resu...

Read our paper in JAMA Internl Med with a great editorial. Wonderful collaboration with @gcabanac.cpesr.fr
Retracted papers are included in meta-analyses published in HIF journal. Inclusion of the retracted studies changed
effect estimates.
doi.org/10.1001/jama...
doi.org/10.1001/jama...

New research in JAMA Internal Medicine reveals how much retracted studies skew results in meta-analyses, with sometimes significant changes in effect estimates once these studies are excluded. By @isabelleboutron.bsky.social @gcabanac.cpesr.fr et al.

jamanetwork.com/journals/jam...

Looks cool, and nice to see this shout out to Registered Reports