One-in-a-million people are living with EHE worldwide.

Our mission is to find treatments and a cure for epithelioid hemangioendothelioma (EHE) by advancing research and driving collaboration among patients, researchers, and clinicians.

We envision a world where Epithelioid Hemangioendothelioma (EHE) is easily diagnosed and treatable. Join our dedicated community by subscribing to our emails.

Patient-Powered EHE Research

EHE Biobank

Patients are the key to finding new treatments for EHE! Researchers need tumor tissue and fluid from EHE patients to understand disease progression and speed the development of new drugs and therapies.

Patient-Powered EHE Research

EHE Global Patient Registry

The EHE Global Patient Registry empowers people with Epithelioid Hemangioendothelioma (EHE) to join together to improve our understanding of this ultra-rare sarcoma. We need every EHE patient to join this critical tool used to support researchers searching for treatments and a cure for EHE.

Latest EHE News, Events and Research

Fueling Hope Through Research: Celebrating National Cancer Research Month

By EHE Foundation | May 28, 2025

May is National Cancer Research Month, a time to honor the scientists, clinicians, and collaborators who are moving us closer to effective treatments and a cure for epithelioid hemangioendothelioma (EHE). Research is the EHE Foundation’s highest priority in our mission to find effective treatments and ultimately a cure for EHE. With no standard treatment available, […]

Strengthening Global Collaboration in Sarcoma: Highlights from the 2025 SPAGN Annual Conference

By EHE Foundation | May 6, 2025

From April 11–13, 2025, representatives of The EHE Foundation participated in the 15th Annual Conference of the Sarcoma Patient Advocacy Global Network (SPAGN), marking SPAGN’s first conference in the United States. The National Cancer Institute (NCI) co-hosted the event, underscoring the importance of international collaboration in sarcoma advocacy. Denise Robinson commented, “As a long-time supporter […]

EHE Foundation Hosts EHE Patient Meetup in Washington, D.C.

By EHE Foundation | May 1, 2025

Five people living with EHE, representing three countries, gathered on Sunday, April 13, 2025, for lunch and camaraderie, marking the first-ever meetup of its kind in the United States. The EHE Foundation was in Washington, D.C. that same weekend to participate in the Sarcoma Patient Advocacy Global Network (SPAGN) Annual Conference, and put out the […]

Rare Disease Day 2025: Shining a Light on EHE and the Power of Awareness

By EHE Foundation | March 4, 2025

Every year, on the last day of February, the world comes together to recognize Rare Disease Day—a global movement to raise awareness, promote research, and celebrate the strength of those living with rare conditions. This year, February 28, 2025, marked another powerful opportunity to elevate voices from across the rare disease community. At The EHE […]

The Pledge: Edition 39, Q4 – October-December, 2024

By EHE Foundation | February 25, 2025

Publication of The Pledge quarterly newsletter is led by the EHE Rare Cancer Charity (UK). EHE patient advocacy groups from around the globe provide content including research news, patient and fundraising stories, and much more. Click here to view the most recent edition of the online EHE newsletter, The Pledge.

Ultra-Rare Pushes Forward at the EMA

By EHE Foundation | February 15, 2025

On January 31, 2025, expert clinicians, researchers, and global advocacy leaders convened in Amsterdam, the Netherlands, to meet with the European Medicines Agency (EMA) and EORTC, exploring strategies to develop new treatments for ultra-rare sarcomas as a model for ultra-rare tumors. The discussion focused on lessons learned from efforts to secure regulatory approval for sirolimus […]

Science Saturday: EHE Research Progress & Momentum

By EHE Foundation | January 20, 2026

Join the EHE Foundation for a special Science Saturday on Rare Disease Day, February 28, 2026, 11:00 am – 12:30 pm ET. This virtual event is designed for anyone affected by EHE who wants an up-to-date view of the EHE research landscape. This free, interactive presentation will highlight Foundation-led research, global scientific advances, and the […]

Reflecting on 2025 and Looking Ahead With Purpose

By EHE Foundation | January 20, 2026

For the global EHE community, 2025 brought challenges, resilience, and momentum. Grounded in connection and a shared commitment to progress in EHE, we look back with emotion, appreciation, and gratitude, and in 2026, we look forward with determination and hope.

Translating molecular mechanisms of EHE to improve patient outcomes

By EHE Foundation | December 17, 2025

Scientists know that most EHE tumors are caused by specific genetic changes called gene fusions. In most people with EHE, two genes, WWTR1 and CAMTA1, are abnormally fused. In a smaller number of cases, a different fusion involving YAP1 and TFE3 is present. In a recent review published in Critical Reviews in Oncology/Hematology, the authors […]