SITS International

SITS International SITS - Safe Implementation of Treatments in Stroke, is a non-profit, research-driven, independent, i

SITS started in 1996 as an initiative by participants in the European-Australian randomised stroke thrombolysis studies (ECASS). But it was not until 2002 it was given a broader international role. European Union authorities then requested that all patients treated with thrombolysis should be registered in SITS for a period of three years. Registration in SITS became a condition for approval of treatment with intravenous thrombolysis in the EU. Also in 2002, the European Medicines Agency (then EMEA, currently EMA) endorsed SITS as the registry for follow-up on thrombolysis treatment in acute ischemic stroke. SITS has since then developed its services to enable follow-up of other evidence based treatments in acute stroke such as thrombectomy, as well as secondary prevention. Today, over 350 000 patient files are included in more than 1900 stroke centres in over 80 countries on five continents, which makes SITS a world-leading stroke network.
96 scientific articles based on SITS data have been published/are accepted for
publication in international peer reviewed journals since 2007, with more than 350 co-authors.

Visit us at WSC 2025!Visit us at Booth 16, World Stroke Congress 2025Discover our latest studies, join live demos, and c...
20/10/2025

Visit us at WSC 2025!

Visit us at Booth 16, World Stroke Congress 2025

Discover our latest studies, join live demos, and connect with experts.

Don’t miss this opportunity—see you in the exhibition area!

Representing the SITS Coordinating Office at WSC:

Simone Stodell & Niaz Ahmed

World Stroke Organization

Swedish midsummer is just around the corner. This holiday is a celebration of the summer solstice with traditions such a...
19/06/2025

Swedish midsummer is just around the corner. This holiday is a celebration of the summer solstice with traditions such as picking wildflowers to make flower wreathes to wear in the hair, dancing around the maypole (called the midsommarstång), eating strawberry cake and enjoying midsummer feast with family and friends!

Glad Midsommar from all of us at SITS! We will be back on Monday.

Thank you so much for visiting our booth at ESOC 2025 in Helsinki!
23/05/2025

Thank you so much for visiting our booth at ESOC 2025 in Helsinki!

Thank You for an Incredible 2024. As 2024 comes to a close, we want to express our deepest gratitude to all our users, c...
18/12/2024

Thank You for an Incredible 2024.

As 2024 comes to a close, we want to express our deepest gratitude to all our users, collaborators, and the entire network who have contributed to making this year truly exceptional.

With every patient you care for and every data entry you make, you are driving improvements in stroke care and advancing our shared mission. Your dedication and hard work have an immeasurable impact, and we could not be more grateful for your efforts and support.

Thank you for being an essential part of this journey. Together, we are making a difference, one step at a time.

Wishing you a Merry Christmas and/or a happy holiday season!

Make sure to stop by our booth at WSC 2024 for exclusive demos and a chance to network. Don’t miss out on this exciting ...
30/09/2024

Make sure to stop by our booth at WSC 2024 for exclusive demos and a chance to network. Don’t miss out on this exciting opportunity to learn more about our latest studies and services. See you there!

Booth 23 in the exhibition area.

Present from SITS: Chairman Niaz Ahmed, Network Coordinators Isa (Ek) Wilson and Simone Stodell

05/07/2024
🌟Thanks to everyone who visited us yesterday at  ! We look forward to another day of exciting conversations and new enco...
17/05/2024

🌟Thanks to everyone who visited us yesterday at ! We look forward to another day of exciting conversations and new encounters. Come meet us at booth D6! 💼✨

14/05/2024

🎉 Exciting news! We will be at the exhibition this week at Booth D6! 🎉

Come by and visit us to check out our latest news and chat with our team. We can't wait to meet you all.

See you at Booth D6!

Exciting news! 🌟 Our SITS-ICH Study is officially underway! 🚀 With recent updates to the SITS ICH Registry, we're now in...
02/02/2024

Exciting news! 🌟 Our SITS-ICH Study is officially underway! 🚀 With recent updates to the SITS ICH Registry, we're now in the data collection phase for patients with Intracerebral Haemorrhage. 🧠 This real-world study tackles vital questions in stroke care and provides a chance to contribute to stroke science. Your involvement is key to improving outcomes for stroke patients.

Join us today and be a part of shaping the future of stroke care! 💙

Last week the Egyptian stroke conference was held for the 6th time. SITS eminent research executive Tiago Moreira presen...
21/11/2023

Last week the Egyptian stroke conference was held for the 6th time. SITS eminent research executive Tiago Moreira presented on day 1 regarding Thrombectomy in Distal Vessels. We would like to express our sincere gratitude to the organizers and board for including Tiago in this prestigious event. The amount of effort and dedication that goes into planning and executing a conference of this scale is truly commendable.

It is always an incredible learning experience, and we are so grateful for the opportunity to collaborate with such talented individuals.

We look forward to staying connected with all of you and continuing the important conversations that started at this conference. Together, we can drive positive change in the field of stroke.

At SITS INTERNATIONAL, we're passionate about raising awareness for World Stroke Day, celebrated on October 29th. Stroke...
31/10/2023

At SITS INTERNATIONAL, we're passionate about raising awareness for World Stroke Day, celebrated on October 29th. Stroke affects lives in profound ways, and it's essential to promote prevention and recovery. Our commitment to advancing stroke research and care is unwavering. Join us in making a positive impact in the fight against stroke. 💙🌍 "
https://sitsinternational.org/become-a-member/

🏥🌟Today we had an insightful visit to the Neurology Department at Karolinska Hospital! 🧠A big thanks to our amazing team...
19/10/2023

🏥🌟Today we had an insightful visit to the Neurology Department at Karolinska Hospital! 🧠

A big thanks to our amazing team, led by our Chief, Niaz Ahmed, and Research Nurse Julia Lundby. For making this visit a valuable experience. We are grateful to all the dedicated healthcare professionals at the hospital who welcomed us and shared their expertise. 💖

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17177

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Our Story

SITS started in 1996 as an initiative by participants in the European-Australian randomised stroke thrombolysis studies (ECASS). But it was not until 2002 it was given a broader international role. European Union authorities then requested that all patients treated with thrombolysis should be registered in SITS for a period of three years. Registration in SITS became a condition for approval of treatment with intravenous thrombolysis in the EU. Also in 2002, the European Medicines Agency (then EMEA, currently EMA) endorsed SITS as the registry for follow-up on thrombolysis treatment in acute ischemic stroke. SITS has since then developed its services to enable follow-up of other evidence based treatments in acute stroke such as thrombectomy, as well as secondary prevention. Today, over 240 000 patient files are included from over 79 countries on five continents, which makes SITS a world-leading stroke network. More than 75 scientific reports have been published in international peer-reviewed journals based on data from SITS.