ABSTRACTS

The call for abstracts is now closed. Thank you for your submissions!

ORGANIZED BY:

HOSTED BY:

ORGANIZED BY
World Federation of Hemophilia

HOSTED BY
Hemophilia Society of Malaysia

SUPPORTED BY

Abstracts

Thank you to all who submitted an abstract for the 37th World Federation of Hemophilia (WFH) World Congress, taking place April 19–22, 2026 in Kuala Lumpur, Malaysia. We also extend our gratitude to the expert reviewers for their time and expertise in evaluating the submissions. We look forward to learning about the latest research, emerging data, and innovative approaches in bleeding disorders at the 2026 World Congress.

Also available in: Français Español

WFH 2026 World Congress
[email protected]

ORGANIZED BY:
World Federation of Hemophilia

HOSTED BY:
Hemophilia Society of Malaysia

SUPPORTED BY:

KEY DATES FOR LATE-BREAKING ABSTRACTS

The call for late-breaking abstract submissions to the WFH 2026 World Congress is now closed. Thank you to everyone who submitted an abstract. All submissions will undergo a blind peer review by an international panel of experts.

KEY DATES FOR LATE-BREAKING ABSTRACTS
Late-breaking abstract submission opens January 15, 2026
Late-breaking abstract deadline February 17, 2026, 11:59 p.m. ET
Notification to authors March 5, 2026
Presenting author registration deadline March 24, 2026

The late-breaking abstract (LBA) submission period is from January 15, 2026 to February 17, 2026.

Late-breaking abstracts should describe the latest advances that will change daily clinical practice and should highlight novel and practice-changing studies. The selection process will favor abstracts with ground-breaking and unique data that would not otherwise have been presented at the Congress. In every case, the results should not be fully available by the regular abstract submission deadline.

LATE-BREAKING ABSTRACTS
Late-breaking abstract submission opensJanuary 15, 2026
Late-breaking abstract deadlineFebruary 17, 2026, 11:59 p.m. ET
Notification to authorsMarch 5, 2026
Presenting author registration deadlineMarch 24, 2026

The Abstract Review Committee for the WFH 2026 Congress is composed of accomplished professionals representing a broad range of specialty areas and scientific approaches.

POSTER AND PRESENTATION GUIDELINES

Presenting authors should download and carefully read the following guidelines prior to preparing and submitting their poster and/or presentation.

Poster submission and setup guidelines

Click on the button below to access the poster submission and setup guidelines.

Free paper presentation guidelines

Click on the button below to access the free paper presentation guidelines.

Moderated poster presentation guidelines

Click on the button below to access the moderated poster presentation guidelines.

HOW TO SUBMIT A LATE-BREAKING ABSTRACT

Before submitting, please make sure to carefully read the abstract submission guidelines.

To submit your abstract

Step 1:  Create your profile and login to access the Oxford Abstracts submission site

Step 2:  Complete all the tasks to submit your abstract

Step 3:  Once completed, be sure to click "Submit"

Step 4:  Upon clicking “Submit” for the first time, you will be directed to a review page. Please click “Continue” to confirm your submission. This page will not appear on subsequent submissions.

Editing a submission

Once submitted, you will be able to edit your abstract until the submission deadline. Log into your Oxford Abstracts account and select the edit button.

Important notes:

Abstracts should only be submitted through the online system. Abstracts sent via post or email will not be considered.
Only abstracts which have been submitted properly will be considered. Incomplete abstracts will be automatically rejected.

Regular call for abstracts

The regular call for abstract submissions to the WFH 2026 World Congress is now closed.

Thank you to everyone who submitted an abstract. All submissions have undergone a blind peer review by an international panel of experts. Notifications have been sent to all authors before December 31, 2025.

Poster and presentation guidelines will be provided in February 2026.

KEY DATES
Call for abstracts opens September 15, 2025
Abstract submission deadline December 1, 2025, 11:59 p.m. ET
Notification to authors December 31, 2025
Presenting author registration deadline January 31, 2026

Submit an abstract

Submit your work today and join thousands of leading experts to discuss the latest advances in the treatment and care of people with bleeding disorders.

Questions? Contact us at [email protected].

WHY SUBMIT YOUR ABSTRACT TO THE WFH WORLD CONGRESS?

The WFH 2026 World Congress will be the most comprehensive international event on bleeding disorders in 2026. Presenting authors can expect to share their work amongst top experts and researchers from around the world.

Selected abstracts may be eligible for:

Publication in Haemophilia, the official journal of the WFH
Oral presentation in a free paper session
Lightning round presentation in a moderated poster session
Printed poster and presentation during the poster networking event and breaks
Christine Lee Young Researcher Award for best oral presentation
Christine Lee Young Researcher Award for best poster presentation
Outstanding Abstract Travel Awards

We look forward to seeing you in Kuala Lumpur!

ABSTRACT AWARDS

Christine Lee Young Researcher Awards

Established in 2012 by the WFH and Wiley, the Christine Lee Young Researcher Award (formerly the Christine Lee Haemophilia Journal Award) is given in recognition to a top young researcher (graduate student or postdoctoral fellow) who is the primary author and presenter of a highly rated submitted abstract in any discipline involving hemophilia or other related bleeding disorders.

Congratulations to our 2026 winners:

Best oral presentation

Arianna Colombo
Italy
Pharmacokinetic and pharmacodynamic variability of emicizumab in real-world haemophilia A patients: insights from a long-term single-centre cohort study

Best poster presentation

Ilenia Calcaterra
Italy
Changes in hypertrophic synovium status in adult patients with severe HA receiving emicizumab prophylaxis


Best oral presentation

A prize of $3,000 USD and a three-year online personal subscription to Haemophilia is provided for this award.


Best poster presentation

A prize of $1,000 USD and a three-year online personal subscription to Haemophilia is provided for this award.

Eligibility

The young researcher must be under the age of 40 at the time the abstract is submitted. If there are multiple authors, the lead author and presenter must be under the age of 40 at the time the abstract is submitted.

The selection committee—including the journal’s editors and WFH representatives on the editorial board—will choose the best presented abstracts at the WFH 2026 World Congress. There will be one recipient per prize.


Outstanding abstract travel awards

The WFH is pleased to offer five (5) grants of $1,000 USD each to the five (5) highest scoring abstracts submitted for the WFH 2026 World Congress.

Congratulations to our 2026 travel award winners:
Arianna Colombo, Italy
Barbara Guinn, United Kingdom
Ronald Mahomane, South Africa
Caroline Mussert, Netherlands
Yuan Xu, China

The Abstract Review Committee for the WFH 2026 Congress is composed of accomplished professionals representing a broad range of specialty areas and scientific approaches.

ABSTRACTS FAQ

Q
How long should my abstract be?
A

Your abstract should be no longer than 350 words. This does not include the author’s details, titles, tables and graphs.

Q
Can I include tables/graphs in my abstract?
A

A maximum of two tables and/or graphs can be included in an abstract. Please make sure to add headings to each of the tables and/or graphs, and to reference them within the abstract. Please do NOT include the author list on the figure/table you are uploading, as we operate by blind review. Only Excel files will be accepted when uploading your tables/graphs.

Q
How many abstracts can I submit?
A

There is no limit on the number of abstracts a single author can submit.

Q
How many abstracts can I present?
A

Each presenting author may present a maximum of two abstracts at Congress. Should an author have more than two abstracts accepted, a co-author must be named as the presenting author for the third or more abstracts.

Q
Can I submit my abstract by email?
A

No. Abstracts should only be submitted through the online submission system. Abstracts sent via email will not be accepted.

Q
Can I submit an abstract in a language other than English?
A

No. Abstracts will only be accepted in written English. Abstracts submitted in any language other than English will be automatically rejected.

Q
How many authors can be listed for each submission?
A

A maximum of 20 authors is permitted on each abstract.

Q
Can I edit/make changes to my abstract?
A

Corrections to late-breaking abstracts can be made until the submission deadline of February 17, 2026 at 11:59 pm ET. To ensure the integrity of the review process, no revisions will be allowed after the abstract submission deadline.

Q
Can I submit a trial-in-progress abstract?
A

Yes. The WFH is accepting abstracts in the category of ‘trial in progress’. Please select this category during the submission process.

Q
Can an administrator/third party submit an abstract on behalf of the authors?
A

Yes. However, note that if the abstract is accepted, all subsequent notifications and correspondence will be addressed to the presenting author.

Q
When will I know if my abstract has been accepted?
A

You will be notified no later than December 31, 2025. Late-breaking abstract authors will be notified by March 5, 2026.

Q
Do I need to register to attend the World Congress?
A

Yes. All presenting authors of a regular abstract must register to attend the World Congress by January 31, 2026. Presenting authors of a late-breaking abstract must register by March 24, 2026.

Presenting authors who have not registered and paid the applicable registration fees by the relevant deadline will be removed from the program and excluded from publication in the Haemophilia journal. Registration fees will not be waived.

Q
Can I present virtually?
A

No. The 2026 World Congress will take place in-person only. Presenting authors will therefore be required to be onsite in Kuala Lumpur, Malaysia.

Q
When will my accepted abstract be published?
A

All abstracts selected for publication, including those submitted during the late-breaking submission period, will be publicly released at 9:00 am MYT on April 19, 2026, and available online in the Haemophilia journal publication. The publication will be available on the Wiley website, WFH World Congress website, and Congress mobile app.

Q
Will the WFH be accepting late-breaking abstracts?
A

Yes. The call for late-breaking abstracts will open on January 15, 2026, and close on February 17, 2026.

Additional questions? Please contact us at [email protected].

CME CREDITS

The WFH 2024 World Congress has been accredited with 32 credits by the European Board for Accreditation in Hematology (EBAH), an accreditation body supported and endorsed by the European Hematology Association (EHA). 

Participants should only claim credits for the time actually spent at the World Congress. Participants wishing to collect CME credits will need to check-in and check-out at the start and end of each day for which they wish to claim CME credits.

  • CME Desk located next to the registration desk in the Exhibit Hall
  • CME Desk located on the first floor of the North Convention Center
  • 1 hour of CME-CPD activity = 1 EBAH CME-CPD credit point
  • Maximum of 8.0 EBAH CME credit points per Congress day

Participants will be asked to complete a questionnaire for each day they are claiming credits, in order to confirm their participation in our scientific program.

Log in to your EBAH account (login) or create an EBAH CME account if you do not already have one (create account).

  1. Creating an EBAH CME account or logging in is simple and free of cost.
  2. Please add your EBAH CME account number to your Congress registration profile, so that your EBAH-CME credit points can be added to your account. Click here to access your registration profile.

Within the EBAH-CME system, you can:

  • Print your EBAH-CME certificates.
  • Review and manage your personal account.
  • Search for accredited events based on the European Hematology Curriculum.

SYMPOSIA SCHEDULE

Explore our dynamic symposia schedule, offering a diverse array of engaging topics. All symposia will be held in Exhibit Hall 9.

12:45-13:45

ROOM 1: Takeda

Unleashing the management of patients with hemophilia A with inhibitors – from expert opinion to clinical decision


12:45-13:45

ROOM 2: WFH session – supported by CSL Behring

Living the gene therapy treatment journey (WFH)


12:45-13:45

ROOM 3: Sobi Sanofi

Reaching new heights in hemophilia A: the impact of higher factor levels


18:30-19:30

ROOM 1: Pfizer

New horizons: The value of continued innovation in hemophilia


18:30-19:30

ROOM 2: Hoffmann-La Roche

Dreaming the future – how can we achieve optimal care and make health equity a reality for all people living with hemophilia A?


18:30-19:30

ROOM 3: Octapharma

Must-have Insights on prophylaxis in hemophilia A and von Willebrand disease

12:45-13:45

ROOM 1: Biomarin

Gene therapy in hemophilia: from decision to dosing


12:45-13:45

ROOM 2: CSL Behring

Optimizing the patient journey in von Willebrand disease: experiences and learnings as the navigator


12:45-13:45

ROOM 3: Sanofi

Redefining hemophilia: finding hemostatic balance within the evolving treatment landscape

*

The World Federation of Hemophilia does not endorse particular treatment products or manufacturers; any reference to a product name is not an endorsement by the WFH. The WFH is not a regulatory agency and cannot make recommendations relating to safety of manufacturing of specific treatment products. Some sessions may be accessible to healthcare professionals only.

PRESENTATION THEATRE

Stop by the presentation theatre in Exhibit Hall 9 for a number of exciting sessions.

Poster networking event

When: Monday, April 22 – 19:30-20:30
Where: Poster gallery within the exhibit hall


Learn more about the work and research showcased in our poster gallery, from the authors themselves! Join us for an evening of sharing information, fostering connections, sparking conversations, and inspiring collaboration within the bleeding disorders community.

The Abstract Review Committee for the WFH 2024 Congress is composed of accomplished professionals representing a broad range of specialty areas and scientific approaches.

Prem Roop Alva

Jan Astermark

Cindy Bailey

Branislav Bajkin

Marlène Beijlevelt

Erik Berntorp

Greig Blamey

Megan Brown

Tyler Buckner

Patricia Cabré

Manuel Carcao

Alessandro Casini

Giancarlo Castaman

Nathan Connell

Elvira Correa

Susan Cutter

Emmanuel Favaloro

Antonio Gavrilovski

Gaby Golan

Emna Gouider

Cesar Haddad

Cathy Harrison

Cedric Hermans

Shannon Jackson

Paula James

Christine Kempton

Kate Khair

Steve Kitchen

Christoph Königs

Barbara Konkle

Roshni Kulkarni

Riitta Lassila

Michelle Lavin

David Lillicrap

Johnny Mahlangu

Mike Makris

Tadashi Matsushita

Paul McLaughlin

Wolfgang Miesbach

Richa Mohan

Lochana Nanayakkara

Margareth Ozelo

David Page

Gianluigi Pasta

Glenn Pierce

Steve Pipe

Debra Pollard

Margaret Rand

Hortensia de la Corte Rodriguez

Dawn Rotellini

Thomas Sannié

Veena Selvaratnam

Roger Schutgens

Midori Shima

Robert Sidonio

Mauricio Silva

Mark Skinner

Penni Jo Smith

Alok Srivastava

Jeff Stonebraker

Sophie Susen

Merel Timmer

Graeme Ting

Pierre Toulon

Nanda Uitslager

Angela Weyand

Sarah Whitaker

Deadline to submit poster: April 8, 2024
Deadline to submit PowerPoint slides for free paper presentations: April 17, 2024

KEY DATES
Call for abstracts opensSeptember 15, 2023
Abstract submission deadlineNovember 30, 2023, 11:59 p.m. ET
Notification to authorsDecember 22, 2023
Presenting author registration deadlineJanuary 31, 2024
LATE-BREAKING ABSTRACTS
Late-breaking abstract submission opensJanuary 17, 2024
Late-breaking abstract deadlineFebruary 14, 2024, 11:59 p.m. ET
Notification to authorsMarch 15, 2024
Presenting author registration deadlineMarch 31, 2024

Presenting authors should download and carefully read the following guidelines prior to preparing and submitting their poster and/or presentation:

Abstract Public Release (Embargo) Dates and Times

Late-breaking abstracts (LBAs) will be publicly released throughout the WFH 2024 World Congress. The complete embargo dates and public release schedule for LBAs is detailed below.

All other abstracts, including those submitted during the late-breaking submission time period but not selected as late-breaking abstracts, will be publicly released at 9:00 a.m. CEST on April 21, 2024, and available online.

ABSTRACTS
Abstracts published in the Haemophilia journalEmbargo will lift
9:00 a.m. CEST on April 21, 2024
LATE-BREAKING ABSTRACTS
Free paper presentation dateEmbargo will lift
Monday, April 229:00 a.m. CEST on April 22, 2024
Tuesday, April 239:00 a.m. CEST on April 23, 2024
Wednesday, April 249:00 a.m. CEST on April 24, 2024

Submit an abstract

Submit your work today and join thousands of leading experts to discuss the latest advances in the treatment and care of people with bleeding disorders.

Questions? Contact us at [email protected].

HAEMOPHILIA SUPPLEMENTS

WFH 2024 State of the Art Book

This peer reviewed supplement reflects the best clinical practice advice and expert opinion within the various subspecialties of bleeding disorders and related fields that will be presented in the scientific program of the WFH 2024 World Congress.


WFH 2024 Book of Abstracts

Plan your calendar for free paper sessions, moderated poster presentations, and a comprehensive poster gallery, all showcasing the research and work presented on the abstracts of the WFH 2024 World Congress.

Disclaimer

The information on the WFH website is provided for general information purposes only. The WFH does not engage in the practice of medicine and under no circumstances recommends particular treatment for specific individuals. For diagnosis or consultation on a specific medical problem, the WFH recommends that you contact your physician or local treatment centre. Before administering any products, the WFH urges patients to check dosages with a physician or hemophilia centre staff, and to consult the pharmaceutical company’s printed instructions.

While every effort has been made to ensure the accuracy of the information on this site, the WFH does not guarantee the information is accurate, and is not responsible in any way whatsoever for damages arising out of the use of this website or any of the information contained herein.

Messages posted to WFH discussion forums, Facebook, Twitter, and other social media platforms do not represent the opinions of the World Federation of Hemophilia, its staff, or Board of Directors. The author of a message is solely responsibility for its content. Information posted on WFH social networks and platforms should never be a substitute for individualized professional medical advice, even when the author has medical qualifications or is considered an authority. Information posted to a discussion group should not be used to diagnose or treat a specific health problem without consulting a qualified healthcare professional. The WFH recommends that you contact your physician or local treatment centre if you have any individual questions or concerns.

References and links to other websites or references to other organizations, products, services, or publications do not constitute endorsement or approval by the WFH. The WFH is not responsible and assumes no liability for the content of any linked websites.

Fraud Alert

Unauthorized solicitations – Warning

The WFH has been made aware of various correspondences—circulated via e-mail and telephone—coming from individuals impersonating WFH staff or falsely stating that they are associated with the WFH. These correspondences, which may seek to obtain money using the name of someone affiliated with the WFH, are fraudulent and come from outside of our organization.

If you receive a suspicious solicitation, exercise extreme caution. In the case of an email, look at the email address to see if it looks suspicious (for example, all WFH emails come from @wfh.org).

We are asking you to remain vigilant, and if you have any doubts about the correspondence, please forward the email to the WFH at [email protected] or call +1 514-875-7944.